]>
Commit | Line | Data |
---|---|---|
a7e3ed1e | 1 | /* |
efc9f05d SE |
2 | * Per core/cpu state |
3 | * | |
4 | * Used to coordinate shared registers between HT threads or | |
5 | * among events on a single PMU. | |
a7e3ed1e | 6 | */ |
de0428a7 | 7 | |
c767a54b JP |
8 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
9 | ||
de0428a7 KW |
10 | #include <linux/stddef.h> |
11 | #include <linux/types.h> | |
12 | #include <linux/init.h> | |
13 | #include <linux/slab.h> | |
69c60c88 | 14 | #include <linux/export.h> |
aacfbe6a | 15 | #include <linux/nmi.h> |
de0428a7 | 16 | |
3a632cb2 | 17 | #include <asm/cpufeature.h> |
de0428a7 | 18 | #include <asm/hardirq.h> |
ef5f9f47 | 19 | #include <asm/intel-family.h> |
de0428a7 KW |
20 | #include <asm/apic.h> |
21 | ||
27f6d22b | 22 | #include "../perf_event.h" |
a7e3ed1e | 23 | |
f22f54f4 | 24 | /* |
b622d644 | 25 | * Intel PerfMon, used on Core and later. |
f22f54f4 | 26 | */ |
ec75a716 | 27 | static u64 intel_perfmon_event_map[PERF_COUNT_HW_MAX] __read_mostly = |
f22f54f4 | 28 | { |
c3b7cdf1 PE |
29 | [PERF_COUNT_HW_CPU_CYCLES] = 0x003c, |
30 | [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0, | |
31 | [PERF_COUNT_HW_CACHE_REFERENCES] = 0x4f2e, | |
32 | [PERF_COUNT_HW_CACHE_MISSES] = 0x412e, | |
33 | [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c4, | |
34 | [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c5, | |
35 | [PERF_COUNT_HW_BUS_CYCLES] = 0x013c, | |
36 | [PERF_COUNT_HW_REF_CPU_CYCLES] = 0x0300, /* pseudo-encoding */ | |
f22f54f4 PZ |
37 | }; |
38 | ||
5c543e3c | 39 | static struct event_constraint intel_core_event_constraints[] __read_mostly = |
f22f54f4 PZ |
40 | { |
41 | INTEL_EVENT_CONSTRAINT(0x11, 0x2), /* FP_ASSIST */ | |
42 | INTEL_EVENT_CONSTRAINT(0x12, 0x2), /* MUL */ | |
43 | INTEL_EVENT_CONSTRAINT(0x13, 0x2), /* DIV */ | |
44 | INTEL_EVENT_CONSTRAINT(0x14, 0x1), /* CYCLES_DIV_BUSY */ | |
45 | INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */ | |
46 | INTEL_EVENT_CONSTRAINT(0xc1, 0x1), /* FP_COMP_INSTR_RET */ | |
47 | EVENT_CONSTRAINT_END | |
48 | }; | |
49 | ||
5c543e3c | 50 | static struct event_constraint intel_core2_event_constraints[] __read_mostly = |
f22f54f4 | 51 | { |
b622d644 PZ |
52 | FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ |
53 | FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ | |
cd09c0c4 | 54 | FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ |
f22f54f4 PZ |
55 | INTEL_EVENT_CONSTRAINT(0x10, 0x1), /* FP_COMP_OPS_EXE */ |
56 | INTEL_EVENT_CONSTRAINT(0x11, 0x2), /* FP_ASSIST */ | |
57 | INTEL_EVENT_CONSTRAINT(0x12, 0x2), /* MUL */ | |
58 | INTEL_EVENT_CONSTRAINT(0x13, 0x2), /* DIV */ | |
59 | INTEL_EVENT_CONSTRAINT(0x14, 0x1), /* CYCLES_DIV_BUSY */ | |
60 | INTEL_EVENT_CONSTRAINT(0x18, 0x1), /* IDLE_DURING_DIV */ | |
61 | INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */ | |
62 | INTEL_EVENT_CONSTRAINT(0xa1, 0x1), /* RS_UOPS_DISPATCH_CYCLES */ | |
b622d644 | 63 | INTEL_EVENT_CONSTRAINT(0xc9, 0x1), /* ITLB_MISS_RETIRED (T30-9) */ |
f22f54f4 PZ |
64 | INTEL_EVENT_CONSTRAINT(0xcb, 0x1), /* MEM_LOAD_RETIRED */ |
65 | EVENT_CONSTRAINT_END | |
66 | }; | |
67 | ||
5c543e3c | 68 | static struct event_constraint intel_nehalem_event_constraints[] __read_mostly = |
f22f54f4 | 69 | { |
b622d644 PZ |
70 | FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ |
71 | FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ | |
cd09c0c4 | 72 | FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ |
f22f54f4 PZ |
73 | INTEL_EVENT_CONSTRAINT(0x40, 0x3), /* L1D_CACHE_LD */ |
74 | INTEL_EVENT_CONSTRAINT(0x41, 0x3), /* L1D_CACHE_ST */ | |
75 | INTEL_EVENT_CONSTRAINT(0x42, 0x3), /* L1D_CACHE_LOCK */ | |
76 | INTEL_EVENT_CONSTRAINT(0x43, 0x3), /* L1D_ALL_REF */ | |
77 | INTEL_EVENT_CONSTRAINT(0x48, 0x3), /* L1D_PEND_MISS */ | |
78 | INTEL_EVENT_CONSTRAINT(0x4e, 0x3), /* L1D_PREFETCH */ | |
79 | INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */ | |
80 | INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */ | |
81 | EVENT_CONSTRAINT_END | |
82 | }; | |
83 | ||
5c543e3c | 84 | static struct extra_reg intel_nehalem_extra_regs[] __read_mostly = |
a7e3ed1e | 85 | { |
53ad0447 YZ |
86 | /* must define OFFCORE_RSP_X first, see intel_fixup_er() */ |
87 | INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0xffff, RSP_0), | |
f20093ee | 88 | INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x100b), |
a7e3ed1e AK |
89 | EVENT_EXTRA_END |
90 | }; | |
91 | ||
5c543e3c | 92 | static struct event_constraint intel_westmere_event_constraints[] __read_mostly = |
f22f54f4 | 93 | { |
b622d644 PZ |
94 | FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ |
95 | FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ | |
cd09c0c4 | 96 | FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ |
f22f54f4 PZ |
97 | INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */ |
98 | INTEL_EVENT_CONSTRAINT(0x60, 0x1), /* OFFCORE_REQUESTS_OUTSTANDING */ | |
99 | INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */ | |
d1100770 | 100 | INTEL_EVENT_CONSTRAINT(0xb3, 0x1), /* SNOOPQ_REQUEST_OUTSTANDING */ |
f22f54f4 PZ |
101 | EVENT_CONSTRAINT_END |
102 | }; | |
103 | ||
5c543e3c | 104 | static struct event_constraint intel_snb_event_constraints[] __read_mostly = |
b06b3d49 LM |
105 | { |
106 | FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ | |
107 | FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ | |
cd09c0c4 | 108 | FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ |
fd4a5aef SE |
109 | INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_DISPATCH */ |
110 | INTEL_UEVENT_CONSTRAINT(0x05a3, 0xf), /* CYCLE_ACTIVITY.STALLS_L2_PENDING */ | |
111 | INTEL_UEVENT_CONSTRAINT(0x02a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */ | |
112 | INTEL_UEVENT_CONSTRAINT(0x06a3, 0x4), /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */ | |
b06b3d49 | 113 | INTEL_EVENT_CONSTRAINT(0x48, 0x4), /* L1D_PEND_MISS.PENDING */ |
b06b3d49 LM |
114 | INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */ |
115 | INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.LOAD_LATENCY */ | |
f8378f52 AK |
116 | INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_DISPATCH */ |
117 | INTEL_UEVENT_CONSTRAINT(0x02a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */ | |
93fcf72c | 118 | |
9010ae4a SE |
119 | /* |
120 | * When HT is off these events can only run on the bottom 4 counters | |
121 | * When HT is on, they are impacted by the HT bug and require EXCL access | |
122 | */ | |
93fcf72c MD |
123 | INTEL_EXCLEVT_CONSTRAINT(0xd0, 0xf), /* MEM_UOPS_RETIRED.* */ |
124 | INTEL_EXCLEVT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */ | |
125 | INTEL_EXCLEVT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */ | |
126 | INTEL_EXCLEVT_CONSTRAINT(0xd3, 0xf), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */ | |
127 | ||
b06b3d49 LM |
128 | EVENT_CONSTRAINT_END |
129 | }; | |
130 | ||
69943182 SE |
131 | static struct event_constraint intel_ivb_event_constraints[] __read_mostly = |
132 | { | |
133 | FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ | |
134 | FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ | |
135 | FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ | |
136 | INTEL_UEVENT_CONSTRAINT(0x0148, 0x4), /* L1D_PEND_MISS.PENDING */ | |
137 | INTEL_UEVENT_CONSTRAINT(0x0279, 0xf), /* IDQ.EMTPY */ | |
138 | INTEL_UEVENT_CONSTRAINT(0x019c, 0xf), /* IDQ_UOPS_NOT_DELIVERED.CORE */ | |
6113af14 | 139 | INTEL_UEVENT_CONSTRAINT(0x02a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_LDM_PENDING */ |
69943182 SE |
140 | INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_EXECUTE */ |
141 | INTEL_UEVENT_CONSTRAINT(0x05a3, 0xf), /* CYCLE_ACTIVITY.STALLS_L2_PENDING */ | |
142 | INTEL_UEVENT_CONSTRAINT(0x06a3, 0xf), /* CYCLE_ACTIVITY.STALLS_LDM_PENDING */ | |
143 | INTEL_UEVENT_CONSTRAINT(0x08a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */ | |
144 | INTEL_UEVENT_CONSTRAINT(0x0ca3, 0x4), /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */ | |
145 | INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */ | |
93fcf72c | 146 | |
9010ae4a SE |
147 | /* |
148 | * When HT is off these events can only run on the bottom 4 counters | |
149 | * When HT is on, they are impacted by the HT bug and require EXCL access | |
150 | */ | |
93fcf72c MD |
151 | INTEL_EXCLEVT_CONSTRAINT(0xd0, 0xf), /* MEM_UOPS_RETIRED.* */ |
152 | INTEL_EXCLEVT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */ | |
153 | INTEL_EXCLEVT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */ | |
154 | INTEL_EXCLEVT_CONSTRAINT(0xd3, 0xf), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */ | |
155 | ||
69943182 SE |
156 | EVENT_CONSTRAINT_END |
157 | }; | |
158 | ||
5c543e3c | 159 | static struct extra_reg intel_westmere_extra_regs[] __read_mostly = |
a7e3ed1e | 160 | { |
53ad0447 YZ |
161 | /* must define OFFCORE_RSP_X first, see intel_fixup_er() */ |
162 | INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0xffff, RSP_0), | |
163 | INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0xffff, RSP_1), | |
f20093ee | 164 | INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x100b), |
a7e3ed1e AK |
165 | EVENT_EXTRA_END |
166 | }; | |
167 | ||
0af3ac1f AK |
168 | static struct event_constraint intel_v1_event_constraints[] __read_mostly = |
169 | { | |
170 | EVENT_CONSTRAINT_END | |
171 | }; | |
172 | ||
5c543e3c | 173 | static struct event_constraint intel_gen_event_constraints[] __read_mostly = |
f22f54f4 | 174 | { |
b622d644 PZ |
175 | FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ |
176 | FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ | |
cd09c0c4 | 177 | FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ |
f22f54f4 PZ |
178 | EVENT_CONSTRAINT_END |
179 | }; | |
180 | ||
1fa64180 YZ |
181 | static struct event_constraint intel_slm_event_constraints[] __read_mostly = |
182 | { | |
183 | FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ | |
184 | FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ | |
1fa64180 YZ |
185 | FIXED_EVENT_CONSTRAINT(0x0300, 2), /* pseudo CPU_CLK_UNHALTED.REF */ |
186 | EVENT_CONSTRAINT_END | |
187 | }; | |
188 | ||
20f36278 | 189 | static struct event_constraint intel_skl_event_constraints[] = { |
9a92e16f AK |
190 | FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ |
191 | FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ | |
192 | FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ | |
193 | INTEL_UEVENT_CONSTRAINT(0x1c0, 0x2), /* INST_RETIRED.PREC_DIST */ | |
9010ae4a SE |
194 | |
195 | /* | |
196 | * when HT is off, these can only run on the bottom 4 counters | |
197 | */ | |
198 | INTEL_EVENT_CONSTRAINT(0xd0, 0xf), /* MEM_INST_RETIRED.* */ | |
199 | INTEL_EVENT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_RETIRED.* */ | |
200 | INTEL_EVENT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_L3_HIT_RETIRED.* */ | |
201 | INTEL_EVENT_CONSTRAINT(0xcd, 0xf), /* MEM_TRANS_RETIRED.* */ | |
202 | INTEL_EVENT_CONSTRAINT(0xc6, 0xf), /* FRONTEND_RETIRED.* */ | |
203 | ||
9a92e16f AK |
204 | EVENT_CONSTRAINT_END |
205 | }; | |
206 | ||
1e7b9390 | 207 | static struct extra_reg intel_knl_extra_regs[] __read_mostly = { |
9c489fce LO |
208 | INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x799ffbb6e7ull, RSP_0), |
209 | INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0x399ffbffe7ull, RSP_1), | |
1e7b9390 HC |
210 | EVENT_EXTRA_END |
211 | }; | |
212 | ||
ee89cbc2 | 213 | static struct extra_reg intel_snb_extra_regs[] __read_mostly = { |
53ad0447 YZ |
214 | /* must define OFFCORE_RSP_X first, see intel_fixup_er() */ |
215 | INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3f807f8fffull, RSP_0), | |
216 | INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3f807f8fffull, RSP_1), | |
f20093ee | 217 | INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd), |
f1923820 SE |
218 | EVENT_EXTRA_END |
219 | }; | |
220 | ||
221 | static struct extra_reg intel_snbep_extra_regs[] __read_mostly = { | |
53ad0447 YZ |
222 | /* must define OFFCORE_RSP_X first, see intel_fixup_er() */ |
223 | INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffff8fffull, RSP_0), | |
224 | INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffff8fffull, RSP_1), | |
f1a52789 | 225 | INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd), |
ee89cbc2 SE |
226 | EVENT_EXTRA_END |
227 | }; | |
228 | ||
9a92e16f AK |
229 | static struct extra_reg intel_skl_extra_regs[] __read_mostly = { |
230 | INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffff8fffull, RSP_0), | |
231 | INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffff8fffull, RSP_1), | |
232 | INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd), | |
dfe1f3cb AK |
233 | /* |
234 | * Note the low 8 bits eventsel code is not a continuous field, containing | |
235 | * some #GPing bits. These are masked out. | |
236 | */ | |
237 | INTEL_UEVENT_EXTRA_REG(0x01c6, MSR_PEBS_FRONTEND, 0x7fff17, FE), | |
9a92e16f AK |
238 | EVENT_EXTRA_END |
239 | }; | |
240 | ||
7f2ee91f IM |
241 | EVENT_ATTR_STR(mem-loads, mem_ld_nhm, "event=0x0b,umask=0x10,ldlat=3"); |
242 | EVENT_ATTR_STR(mem-loads, mem_ld_snb, "event=0xcd,umask=0x1,ldlat=3"); | |
243 | EVENT_ATTR_STR(mem-stores, mem_st_snb, "event=0xcd,umask=0x2"); | |
f20093ee | 244 | |
20f36278 | 245 | static struct attribute *nhm_events_attrs[] = { |
f20093ee SE |
246 | EVENT_PTR(mem_ld_nhm), |
247 | NULL, | |
248 | }; | |
249 | ||
a39fcae7 AK |
250 | /* |
251 | * topdown events for Intel Core CPUs. | |
252 | * | |
253 | * The events are all in slots, which is a free slot in a 4 wide | |
254 | * pipeline. Some events are already reported in slots, for cycle | |
255 | * events we multiply by the pipeline width (4). | |
256 | * | |
257 | * With Hyper Threading on, topdown metrics are either summed or averaged | |
258 | * between the threads of a core: (count_t0 + count_t1). | |
259 | * | |
260 | * For the average case the metric is always scaled to pipeline width, | |
261 | * so we use factor 2 ((count_t0 + count_t1) / 2 * 4) | |
262 | */ | |
263 | ||
264 | EVENT_ATTR_STR_HT(topdown-total-slots, td_total_slots, | |
265 | "event=0x3c,umask=0x0", /* cpu_clk_unhalted.thread */ | |
266 | "event=0x3c,umask=0x0,any=1"); /* cpu_clk_unhalted.thread_any */ | |
267 | EVENT_ATTR_STR_HT(topdown-total-slots.scale, td_total_slots_scale, "4", "2"); | |
268 | EVENT_ATTR_STR(topdown-slots-issued, td_slots_issued, | |
269 | "event=0xe,umask=0x1"); /* uops_issued.any */ | |
270 | EVENT_ATTR_STR(topdown-slots-retired, td_slots_retired, | |
271 | "event=0xc2,umask=0x2"); /* uops_retired.retire_slots */ | |
272 | EVENT_ATTR_STR(topdown-fetch-bubbles, td_fetch_bubbles, | |
273 | "event=0x9c,umask=0x1"); /* idq_uops_not_delivered_core */ | |
274 | EVENT_ATTR_STR_HT(topdown-recovery-bubbles, td_recovery_bubbles, | |
275 | "event=0xd,umask=0x3,cmask=1", /* int_misc.recovery_cycles */ | |
276 | "event=0xd,umask=0x3,cmask=1,any=1"); /* int_misc.recovery_cycles_any */ | |
277 | EVENT_ATTR_STR_HT(topdown-recovery-bubbles.scale, td_recovery_bubbles_scale, | |
278 | "4", "2"); | |
279 | ||
20f36278 | 280 | static struct attribute *snb_events_attrs[] = { |
f20093ee | 281 | EVENT_PTR(mem_ld_snb), |
9ad64c0f | 282 | EVENT_PTR(mem_st_snb), |
a39fcae7 AK |
283 | EVENT_PTR(td_slots_issued), |
284 | EVENT_PTR(td_slots_retired), | |
285 | EVENT_PTR(td_fetch_bubbles), | |
286 | EVENT_PTR(td_total_slots), | |
287 | EVENT_PTR(td_total_slots_scale), | |
288 | EVENT_PTR(td_recovery_bubbles), | |
289 | EVENT_PTR(td_recovery_bubbles_scale), | |
f20093ee SE |
290 | NULL, |
291 | }; | |
292 | ||
3a632cb2 AK |
293 | static struct event_constraint intel_hsw_event_constraints[] = { |
294 | FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ | |
295 | FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ | |
296 | FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ | |
e0fbac1c | 297 | INTEL_UEVENT_CONSTRAINT(0x148, 0x4), /* L1D_PEND_MISS.PENDING */ |
3a632cb2 AK |
298 | INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */ |
299 | INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.LOAD_LATENCY */ | |
300 | /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */ | |
c420f19b | 301 | INTEL_UEVENT_CONSTRAINT(0x08a3, 0x4), |
3a632cb2 | 302 | /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */ |
c420f19b | 303 | INTEL_UEVENT_CONSTRAINT(0x0ca3, 0x4), |
3a632cb2 | 304 | /* CYCLE_ACTIVITY.CYCLES_NO_EXECUTE */ |
c420f19b | 305 | INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), |
93fcf72c | 306 | |
9010ae4a SE |
307 | /* |
308 | * When HT is off these events can only run on the bottom 4 counters | |
309 | * When HT is on, they are impacted by the HT bug and require EXCL access | |
310 | */ | |
93fcf72c MD |
311 | INTEL_EXCLEVT_CONSTRAINT(0xd0, 0xf), /* MEM_UOPS_RETIRED.* */ |
312 | INTEL_EXCLEVT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */ | |
313 | INTEL_EXCLEVT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */ | |
314 | INTEL_EXCLEVT_CONSTRAINT(0xd3, 0xf), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */ | |
315 | ||
3a632cb2 AK |
316 | EVENT_CONSTRAINT_END |
317 | }; | |
318 | ||
20f36278 | 319 | static struct event_constraint intel_bdw_event_constraints[] = { |
91f1b705 AK |
320 | FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ |
321 | FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ | |
322 | FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ | |
323 | INTEL_UEVENT_CONSTRAINT(0x148, 0x4), /* L1D_PEND_MISS.PENDING */ | |
b7883a1c | 324 | INTEL_UBIT_EVENT_CONSTRAINT(0x8a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_MISS */ |
9010ae4a SE |
325 | /* |
326 | * when HT is off, these can only run on the bottom 4 counters | |
327 | */ | |
328 | INTEL_EVENT_CONSTRAINT(0xd0, 0xf), /* MEM_INST_RETIRED.* */ | |
329 | INTEL_EVENT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_RETIRED.* */ | |
330 | INTEL_EVENT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_L3_HIT_RETIRED.* */ | |
331 | INTEL_EVENT_CONSTRAINT(0xcd, 0xf), /* MEM_TRANS_RETIRED.* */ | |
91f1b705 AK |
332 | EVENT_CONSTRAINT_END |
333 | }; | |
334 | ||
f22f54f4 PZ |
335 | static u64 intel_pmu_event_map(int hw_event) |
336 | { | |
337 | return intel_perfmon_event_map[hw_event]; | |
338 | } | |
339 | ||
9a92e16f AK |
340 | /* |
341 | * Notes on the events: | |
342 | * - data reads do not include code reads (comparable to earlier tables) | |
343 | * - data counts include speculative execution (except L1 write, dtlb, bpu) | |
344 | * - remote node access includes remote memory, remote cache, remote mmio. | |
345 | * - prefetches are not included in the counts. | |
346 | * - icache miss does not include decoded icache | |
347 | */ | |
348 | ||
349 | #define SKL_DEMAND_DATA_RD BIT_ULL(0) | |
350 | #define SKL_DEMAND_RFO BIT_ULL(1) | |
351 | #define SKL_ANY_RESPONSE BIT_ULL(16) | |
352 | #define SKL_SUPPLIER_NONE BIT_ULL(17) | |
353 | #define SKL_L3_MISS_LOCAL_DRAM BIT_ULL(26) | |
354 | #define SKL_L3_MISS_REMOTE_HOP0_DRAM BIT_ULL(27) | |
355 | #define SKL_L3_MISS_REMOTE_HOP1_DRAM BIT_ULL(28) | |
356 | #define SKL_L3_MISS_REMOTE_HOP2P_DRAM BIT_ULL(29) | |
357 | #define SKL_L3_MISS (SKL_L3_MISS_LOCAL_DRAM| \ | |
358 | SKL_L3_MISS_REMOTE_HOP0_DRAM| \ | |
359 | SKL_L3_MISS_REMOTE_HOP1_DRAM| \ | |
360 | SKL_L3_MISS_REMOTE_HOP2P_DRAM) | |
361 | #define SKL_SPL_HIT BIT_ULL(30) | |
362 | #define SKL_SNOOP_NONE BIT_ULL(31) | |
363 | #define SKL_SNOOP_NOT_NEEDED BIT_ULL(32) | |
364 | #define SKL_SNOOP_MISS BIT_ULL(33) | |
365 | #define SKL_SNOOP_HIT_NO_FWD BIT_ULL(34) | |
366 | #define SKL_SNOOP_HIT_WITH_FWD BIT_ULL(35) | |
367 | #define SKL_SNOOP_HITM BIT_ULL(36) | |
368 | #define SKL_SNOOP_NON_DRAM BIT_ULL(37) | |
369 | #define SKL_ANY_SNOOP (SKL_SPL_HIT|SKL_SNOOP_NONE| \ | |
370 | SKL_SNOOP_NOT_NEEDED|SKL_SNOOP_MISS| \ | |
371 | SKL_SNOOP_HIT_NO_FWD|SKL_SNOOP_HIT_WITH_FWD| \ | |
372 | SKL_SNOOP_HITM|SKL_SNOOP_NON_DRAM) | |
373 | #define SKL_DEMAND_READ SKL_DEMAND_DATA_RD | |
374 | #define SKL_SNOOP_DRAM (SKL_SNOOP_NONE| \ | |
375 | SKL_SNOOP_NOT_NEEDED|SKL_SNOOP_MISS| \ | |
376 | SKL_SNOOP_HIT_NO_FWD|SKL_SNOOP_HIT_WITH_FWD| \ | |
377 | SKL_SNOOP_HITM|SKL_SPL_HIT) | |
378 | #define SKL_DEMAND_WRITE SKL_DEMAND_RFO | |
379 | #define SKL_LLC_ACCESS SKL_ANY_RESPONSE | |
380 | #define SKL_L3_MISS_REMOTE (SKL_L3_MISS_REMOTE_HOP0_DRAM| \ | |
381 | SKL_L3_MISS_REMOTE_HOP1_DRAM| \ | |
382 | SKL_L3_MISS_REMOTE_HOP2P_DRAM) | |
383 | ||
384 | static __initconst const u64 skl_hw_cache_event_ids | |
385 | [PERF_COUNT_HW_CACHE_MAX] | |
386 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
387 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
388 | { | |
389 | [ C(L1D ) ] = { | |
390 | [ C(OP_READ) ] = { | |
391 | [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_INST_RETIRED.ALL_LOADS */ | |
392 | [ C(RESULT_MISS) ] = 0x151, /* L1D.REPLACEMENT */ | |
393 | }, | |
394 | [ C(OP_WRITE) ] = { | |
395 | [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_INST_RETIRED.ALL_STORES */ | |
396 | [ C(RESULT_MISS) ] = 0x0, | |
397 | }, | |
398 | [ C(OP_PREFETCH) ] = { | |
399 | [ C(RESULT_ACCESS) ] = 0x0, | |
400 | [ C(RESULT_MISS) ] = 0x0, | |
401 | }, | |
402 | }, | |
403 | [ C(L1I ) ] = { | |
404 | [ C(OP_READ) ] = { | |
405 | [ C(RESULT_ACCESS) ] = 0x0, | |
406 | [ C(RESULT_MISS) ] = 0x283, /* ICACHE_64B.MISS */ | |
407 | }, | |
408 | [ C(OP_WRITE) ] = { | |
409 | [ C(RESULT_ACCESS) ] = -1, | |
410 | [ C(RESULT_MISS) ] = -1, | |
411 | }, | |
412 | [ C(OP_PREFETCH) ] = { | |
413 | [ C(RESULT_ACCESS) ] = 0x0, | |
414 | [ C(RESULT_MISS) ] = 0x0, | |
415 | }, | |
416 | }, | |
417 | [ C(LL ) ] = { | |
418 | [ C(OP_READ) ] = { | |
419 | [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */ | |
420 | [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */ | |
421 | }, | |
422 | [ C(OP_WRITE) ] = { | |
423 | [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */ | |
424 | [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */ | |
425 | }, | |
426 | [ C(OP_PREFETCH) ] = { | |
427 | [ C(RESULT_ACCESS) ] = 0x0, | |
428 | [ C(RESULT_MISS) ] = 0x0, | |
429 | }, | |
430 | }, | |
431 | [ C(DTLB) ] = { | |
432 | [ C(OP_READ) ] = { | |
433 | [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_INST_RETIRED.ALL_LOADS */ | |
434 | [ C(RESULT_MISS) ] = 0x608, /* DTLB_LOAD_MISSES.WALK_COMPLETED */ | |
435 | }, | |
436 | [ C(OP_WRITE) ] = { | |
437 | [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_INST_RETIRED.ALL_STORES */ | |
438 | [ C(RESULT_MISS) ] = 0x649, /* DTLB_STORE_MISSES.WALK_COMPLETED */ | |
439 | }, | |
440 | [ C(OP_PREFETCH) ] = { | |
441 | [ C(RESULT_ACCESS) ] = 0x0, | |
442 | [ C(RESULT_MISS) ] = 0x0, | |
443 | }, | |
444 | }, | |
445 | [ C(ITLB) ] = { | |
446 | [ C(OP_READ) ] = { | |
447 | [ C(RESULT_ACCESS) ] = 0x2085, /* ITLB_MISSES.STLB_HIT */ | |
448 | [ C(RESULT_MISS) ] = 0xe85, /* ITLB_MISSES.WALK_COMPLETED */ | |
449 | }, | |
450 | [ C(OP_WRITE) ] = { | |
451 | [ C(RESULT_ACCESS) ] = -1, | |
452 | [ C(RESULT_MISS) ] = -1, | |
453 | }, | |
454 | [ C(OP_PREFETCH) ] = { | |
455 | [ C(RESULT_ACCESS) ] = -1, | |
456 | [ C(RESULT_MISS) ] = -1, | |
457 | }, | |
458 | }, | |
459 | [ C(BPU ) ] = { | |
460 | [ C(OP_READ) ] = { | |
461 | [ C(RESULT_ACCESS) ] = 0xc4, /* BR_INST_RETIRED.ALL_BRANCHES */ | |
462 | [ C(RESULT_MISS) ] = 0xc5, /* BR_MISP_RETIRED.ALL_BRANCHES */ | |
463 | }, | |
464 | [ C(OP_WRITE) ] = { | |
465 | [ C(RESULT_ACCESS) ] = -1, | |
466 | [ C(RESULT_MISS) ] = -1, | |
467 | }, | |
468 | [ C(OP_PREFETCH) ] = { | |
469 | [ C(RESULT_ACCESS) ] = -1, | |
470 | [ C(RESULT_MISS) ] = -1, | |
471 | }, | |
472 | }, | |
473 | [ C(NODE) ] = { | |
474 | [ C(OP_READ) ] = { | |
475 | [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */ | |
476 | [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */ | |
477 | }, | |
478 | [ C(OP_WRITE) ] = { | |
479 | [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */ | |
480 | [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */ | |
481 | }, | |
482 | [ C(OP_PREFETCH) ] = { | |
483 | [ C(RESULT_ACCESS) ] = 0x0, | |
484 | [ C(RESULT_MISS) ] = 0x0, | |
485 | }, | |
486 | }, | |
487 | }; | |
488 | ||
489 | static __initconst const u64 skl_hw_cache_extra_regs | |
490 | [PERF_COUNT_HW_CACHE_MAX] | |
491 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
492 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
493 | { | |
494 | [ C(LL ) ] = { | |
495 | [ C(OP_READ) ] = { | |
496 | [ C(RESULT_ACCESS) ] = SKL_DEMAND_READ| | |
497 | SKL_LLC_ACCESS|SKL_ANY_SNOOP, | |
498 | [ C(RESULT_MISS) ] = SKL_DEMAND_READ| | |
499 | SKL_L3_MISS|SKL_ANY_SNOOP| | |
500 | SKL_SUPPLIER_NONE, | |
501 | }, | |
502 | [ C(OP_WRITE) ] = { | |
503 | [ C(RESULT_ACCESS) ] = SKL_DEMAND_WRITE| | |
504 | SKL_LLC_ACCESS|SKL_ANY_SNOOP, | |
505 | [ C(RESULT_MISS) ] = SKL_DEMAND_WRITE| | |
506 | SKL_L3_MISS|SKL_ANY_SNOOP| | |
507 | SKL_SUPPLIER_NONE, | |
508 | }, | |
509 | [ C(OP_PREFETCH) ] = { | |
510 | [ C(RESULT_ACCESS) ] = 0x0, | |
511 | [ C(RESULT_MISS) ] = 0x0, | |
512 | }, | |
513 | }, | |
514 | [ C(NODE) ] = { | |
515 | [ C(OP_READ) ] = { | |
516 | [ C(RESULT_ACCESS) ] = SKL_DEMAND_READ| | |
517 | SKL_L3_MISS_LOCAL_DRAM|SKL_SNOOP_DRAM, | |
518 | [ C(RESULT_MISS) ] = SKL_DEMAND_READ| | |
519 | SKL_L3_MISS_REMOTE|SKL_SNOOP_DRAM, | |
520 | }, | |
521 | [ C(OP_WRITE) ] = { | |
522 | [ C(RESULT_ACCESS) ] = SKL_DEMAND_WRITE| | |
523 | SKL_L3_MISS_LOCAL_DRAM|SKL_SNOOP_DRAM, | |
524 | [ C(RESULT_MISS) ] = SKL_DEMAND_WRITE| | |
525 | SKL_L3_MISS_REMOTE|SKL_SNOOP_DRAM, | |
526 | }, | |
527 | [ C(OP_PREFETCH) ] = { | |
528 | [ C(RESULT_ACCESS) ] = 0x0, | |
529 | [ C(RESULT_MISS) ] = 0x0, | |
530 | }, | |
531 | }, | |
532 | }; | |
533 | ||
74e6543f YZ |
534 | #define SNB_DMND_DATA_RD (1ULL << 0) |
535 | #define SNB_DMND_RFO (1ULL << 1) | |
536 | #define SNB_DMND_IFETCH (1ULL << 2) | |
537 | #define SNB_DMND_WB (1ULL << 3) | |
538 | #define SNB_PF_DATA_RD (1ULL << 4) | |
539 | #define SNB_PF_RFO (1ULL << 5) | |
540 | #define SNB_PF_IFETCH (1ULL << 6) | |
541 | #define SNB_LLC_DATA_RD (1ULL << 7) | |
542 | #define SNB_LLC_RFO (1ULL << 8) | |
543 | #define SNB_LLC_IFETCH (1ULL << 9) | |
544 | #define SNB_BUS_LOCKS (1ULL << 10) | |
545 | #define SNB_STRM_ST (1ULL << 11) | |
546 | #define SNB_OTHER (1ULL << 15) | |
547 | #define SNB_RESP_ANY (1ULL << 16) | |
548 | #define SNB_NO_SUPP (1ULL << 17) | |
549 | #define SNB_LLC_HITM (1ULL << 18) | |
550 | #define SNB_LLC_HITE (1ULL << 19) | |
551 | #define SNB_LLC_HITS (1ULL << 20) | |
552 | #define SNB_LLC_HITF (1ULL << 21) | |
553 | #define SNB_LOCAL (1ULL << 22) | |
554 | #define SNB_REMOTE (0xffULL << 23) | |
555 | #define SNB_SNP_NONE (1ULL << 31) | |
556 | #define SNB_SNP_NOT_NEEDED (1ULL << 32) | |
557 | #define SNB_SNP_MISS (1ULL << 33) | |
558 | #define SNB_NO_FWD (1ULL << 34) | |
559 | #define SNB_SNP_FWD (1ULL << 35) | |
560 | #define SNB_HITM (1ULL << 36) | |
561 | #define SNB_NON_DRAM (1ULL << 37) | |
562 | ||
563 | #define SNB_DMND_READ (SNB_DMND_DATA_RD|SNB_LLC_DATA_RD) | |
564 | #define SNB_DMND_WRITE (SNB_DMND_RFO|SNB_LLC_RFO) | |
565 | #define SNB_DMND_PREFETCH (SNB_PF_DATA_RD|SNB_PF_RFO) | |
566 | ||
567 | #define SNB_SNP_ANY (SNB_SNP_NONE|SNB_SNP_NOT_NEEDED| \ | |
568 | SNB_SNP_MISS|SNB_NO_FWD|SNB_SNP_FWD| \ | |
569 | SNB_HITM) | |
570 | ||
571 | #define SNB_DRAM_ANY (SNB_LOCAL|SNB_REMOTE|SNB_SNP_ANY) | |
572 | #define SNB_DRAM_REMOTE (SNB_REMOTE|SNB_SNP_ANY) | |
573 | ||
574 | #define SNB_L3_ACCESS SNB_RESP_ANY | |
575 | #define SNB_L3_MISS (SNB_DRAM_ANY|SNB_NON_DRAM) | |
576 | ||
577 | static __initconst const u64 snb_hw_cache_extra_regs | |
578 | [PERF_COUNT_HW_CACHE_MAX] | |
579 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
580 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
581 | { | |
582 | [ C(LL ) ] = { | |
583 | [ C(OP_READ) ] = { | |
584 | [ C(RESULT_ACCESS) ] = SNB_DMND_READ|SNB_L3_ACCESS, | |
585 | [ C(RESULT_MISS) ] = SNB_DMND_READ|SNB_L3_MISS, | |
586 | }, | |
587 | [ C(OP_WRITE) ] = { | |
588 | [ C(RESULT_ACCESS) ] = SNB_DMND_WRITE|SNB_L3_ACCESS, | |
589 | [ C(RESULT_MISS) ] = SNB_DMND_WRITE|SNB_L3_MISS, | |
590 | }, | |
591 | [ C(OP_PREFETCH) ] = { | |
592 | [ C(RESULT_ACCESS) ] = SNB_DMND_PREFETCH|SNB_L3_ACCESS, | |
593 | [ C(RESULT_MISS) ] = SNB_DMND_PREFETCH|SNB_L3_MISS, | |
594 | }, | |
595 | }, | |
596 | [ C(NODE) ] = { | |
597 | [ C(OP_READ) ] = { | |
598 | [ C(RESULT_ACCESS) ] = SNB_DMND_READ|SNB_DRAM_ANY, | |
599 | [ C(RESULT_MISS) ] = SNB_DMND_READ|SNB_DRAM_REMOTE, | |
600 | }, | |
601 | [ C(OP_WRITE) ] = { | |
602 | [ C(RESULT_ACCESS) ] = SNB_DMND_WRITE|SNB_DRAM_ANY, | |
603 | [ C(RESULT_MISS) ] = SNB_DMND_WRITE|SNB_DRAM_REMOTE, | |
604 | }, | |
605 | [ C(OP_PREFETCH) ] = { | |
606 | [ C(RESULT_ACCESS) ] = SNB_DMND_PREFETCH|SNB_DRAM_ANY, | |
607 | [ C(RESULT_MISS) ] = SNB_DMND_PREFETCH|SNB_DRAM_REMOTE, | |
608 | }, | |
609 | }, | |
610 | }; | |
611 | ||
b06b3d49 LM |
612 | static __initconst const u64 snb_hw_cache_event_ids |
613 | [PERF_COUNT_HW_CACHE_MAX] | |
614 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
615 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
616 | { | |
617 | [ C(L1D) ] = { | |
618 | [ C(OP_READ) ] = { | |
619 | [ C(RESULT_ACCESS) ] = 0xf1d0, /* MEM_UOP_RETIRED.LOADS */ | |
620 | [ C(RESULT_MISS) ] = 0x0151, /* L1D.REPLACEMENT */ | |
621 | }, | |
622 | [ C(OP_WRITE) ] = { | |
623 | [ C(RESULT_ACCESS) ] = 0xf2d0, /* MEM_UOP_RETIRED.STORES */ | |
624 | [ C(RESULT_MISS) ] = 0x0851, /* L1D.ALL_M_REPLACEMENT */ | |
625 | }, | |
626 | [ C(OP_PREFETCH) ] = { | |
627 | [ C(RESULT_ACCESS) ] = 0x0, | |
628 | [ C(RESULT_MISS) ] = 0x024e, /* HW_PRE_REQ.DL1_MISS */ | |
629 | }, | |
630 | }, | |
631 | [ C(L1I ) ] = { | |
632 | [ C(OP_READ) ] = { | |
633 | [ C(RESULT_ACCESS) ] = 0x0, | |
634 | [ C(RESULT_MISS) ] = 0x0280, /* ICACHE.MISSES */ | |
635 | }, | |
636 | [ C(OP_WRITE) ] = { | |
637 | [ C(RESULT_ACCESS) ] = -1, | |
638 | [ C(RESULT_MISS) ] = -1, | |
639 | }, | |
640 | [ C(OP_PREFETCH) ] = { | |
641 | [ C(RESULT_ACCESS) ] = 0x0, | |
642 | [ C(RESULT_MISS) ] = 0x0, | |
643 | }, | |
644 | }, | |
645 | [ C(LL ) ] = { | |
b06b3d49 | 646 | [ C(OP_READ) ] = { |
63b6a675 | 647 | /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */ |
b06b3d49 | 648 | [ C(RESULT_ACCESS) ] = 0x01b7, |
63b6a675 PZ |
649 | /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */ |
650 | [ C(RESULT_MISS) ] = 0x01b7, | |
b06b3d49 LM |
651 | }, |
652 | [ C(OP_WRITE) ] = { | |
63b6a675 | 653 | /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */ |
b06b3d49 | 654 | [ C(RESULT_ACCESS) ] = 0x01b7, |
63b6a675 PZ |
655 | /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */ |
656 | [ C(RESULT_MISS) ] = 0x01b7, | |
b06b3d49 LM |
657 | }, |
658 | [ C(OP_PREFETCH) ] = { | |
63b6a675 | 659 | /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */ |
b06b3d49 | 660 | [ C(RESULT_ACCESS) ] = 0x01b7, |
63b6a675 PZ |
661 | /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */ |
662 | [ C(RESULT_MISS) ] = 0x01b7, | |
b06b3d49 LM |
663 | }, |
664 | }, | |
665 | [ C(DTLB) ] = { | |
666 | [ C(OP_READ) ] = { | |
667 | [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOP_RETIRED.ALL_LOADS */ | |
668 | [ C(RESULT_MISS) ] = 0x0108, /* DTLB_LOAD_MISSES.CAUSES_A_WALK */ | |
669 | }, | |
670 | [ C(OP_WRITE) ] = { | |
671 | [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOP_RETIRED.ALL_STORES */ | |
672 | [ C(RESULT_MISS) ] = 0x0149, /* DTLB_STORE_MISSES.MISS_CAUSES_A_WALK */ | |
673 | }, | |
674 | [ C(OP_PREFETCH) ] = { | |
675 | [ C(RESULT_ACCESS) ] = 0x0, | |
676 | [ C(RESULT_MISS) ] = 0x0, | |
677 | }, | |
678 | }, | |
679 | [ C(ITLB) ] = { | |
680 | [ C(OP_READ) ] = { | |
681 | [ C(RESULT_ACCESS) ] = 0x1085, /* ITLB_MISSES.STLB_HIT */ | |
682 | [ C(RESULT_MISS) ] = 0x0185, /* ITLB_MISSES.CAUSES_A_WALK */ | |
683 | }, | |
684 | [ C(OP_WRITE) ] = { | |
685 | [ C(RESULT_ACCESS) ] = -1, | |
686 | [ C(RESULT_MISS) ] = -1, | |
687 | }, | |
688 | [ C(OP_PREFETCH) ] = { | |
689 | [ C(RESULT_ACCESS) ] = -1, | |
690 | [ C(RESULT_MISS) ] = -1, | |
691 | }, | |
692 | }, | |
693 | [ C(BPU ) ] = { | |
694 | [ C(OP_READ) ] = { | |
695 | [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */ | |
696 | [ C(RESULT_MISS) ] = 0x00c5, /* BR_MISP_RETIRED.ALL_BRANCHES */ | |
697 | }, | |
698 | [ C(OP_WRITE) ] = { | |
699 | [ C(RESULT_ACCESS) ] = -1, | |
700 | [ C(RESULT_MISS) ] = -1, | |
701 | }, | |
702 | [ C(OP_PREFETCH) ] = { | |
703 | [ C(RESULT_ACCESS) ] = -1, | |
704 | [ C(RESULT_MISS) ] = -1, | |
705 | }, | |
706 | }, | |
89d6c0b5 PZ |
707 | [ C(NODE) ] = { |
708 | [ C(OP_READ) ] = { | |
74e6543f YZ |
709 | [ C(RESULT_ACCESS) ] = 0x01b7, |
710 | [ C(RESULT_MISS) ] = 0x01b7, | |
89d6c0b5 PZ |
711 | }, |
712 | [ C(OP_WRITE) ] = { | |
74e6543f YZ |
713 | [ C(RESULT_ACCESS) ] = 0x01b7, |
714 | [ C(RESULT_MISS) ] = 0x01b7, | |
89d6c0b5 PZ |
715 | }, |
716 | [ C(OP_PREFETCH) ] = { | |
74e6543f YZ |
717 | [ C(RESULT_ACCESS) ] = 0x01b7, |
718 | [ C(RESULT_MISS) ] = 0x01b7, | |
89d6c0b5 PZ |
719 | }, |
720 | }, | |
721 | ||
b06b3d49 LM |
722 | }; |
723 | ||
0f1b5ca2 AK |
724 | /* |
725 | * Notes on the events: | |
726 | * - data reads do not include code reads (comparable to earlier tables) | |
727 | * - data counts include speculative execution (except L1 write, dtlb, bpu) | |
728 | * - remote node access includes remote memory, remote cache, remote mmio. | |
729 | * - prefetches are not included in the counts because they are not | |
730 | * reliably counted. | |
731 | */ | |
732 | ||
733 | #define HSW_DEMAND_DATA_RD BIT_ULL(0) | |
734 | #define HSW_DEMAND_RFO BIT_ULL(1) | |
735 | #define HSW_ANY_RESPONSE BIT_ULL(16) | |
736 | #define HSW_SUPPLIER_NONE BIT_ULL(17) | |
737 | #define HSW_L3_MISS_LOCAL_DRAM BIT_ULL(22) | |
738 | #define HSW_L3_MISS_REMOTE_HOP0 BIT_ULL(27) | |
739 | #define HSW_L3_MISS_REMOTE_HOP1 BIT_ULL(28) | |
740 | #define HSW_L3_MISS_REMOTE_HOP2P BIT_ULL(29) | |
741 | #define HSW_L3_MISS (HSW_L3_MISS_LOCAL_DRAM| \ | |
742 | HSW_L3_MISS_REMOTE_HOP0|HSW_L3_MISS_REMOTE_HOP1| \ | |
743 | HSW_L3_MISS_REMOTE_HOP2P) | |
744 | #define HSW_SNOOP_NONE BIT_ULL(31) | |
745 | #define HSW_SNOOP_NOT_NEEDED BIT_ULL(32) | |
746 | #define HSW_SNOOP_MISS BIT_ULL(33) | |
747 | #define HSW_SNOOP_HIT_NO_FWD BIT_ULL(34) | |
748 | #define HSW_SNOOP_HIT_WITH_FWD BIT_ULL(35) | |
749 | #define HSW_SNOOP_HITM BIT_ULL(36) | |
750 | #define HSW_SNOOP_NON_DRAM BIT_ULL(37) | |
751 | #define HSW_ANY_SNOOP (HSW_SNOOP_NONE| \ | |
752 | HSW_SNOOP_NOT_NEEDED|HSW_SNOOP_MISS| \ | |
753 | HSW_SNOOP_HIT_NO_FWD|HSW_SNOOP_HIT_WITH_FWD| \ | |
754 | HSW_SNOOP_HITM|HSW_SNOOP_NON_DRAM) | |
755 | #define HSW_SNOOP_DRAM (HSW_ANY_SNOOP & ~HSW_SNOOP_NON_DRAM) | |
756 | #define HSW_DEMAND_READ HSW_DEMAND_DATA_RD | |
757 | #define HSW_DEMAND_WRITE HSW_DEMAND_RFO | |
758 | #define HSW_L3_MISS_REMOTE (HSW_L3_MISS_REMOTE_HOP0|\ | |
759 | HSW_L3_MISS_REMOTE_HOP1|HSW_L3_MISS_REMOTE_HOP2P) | |
760 | #define HSW_LLC_ACCESS HSW_ANY_RESPONSE | |
761 | ||
91f1b705 AK |
762 | #define BDW_L3_MISS_LOCAL BIT(26) |
763 | #define BDW_L3_MISS (BDW_L3_MISS_LOCAL| \ | |
764 | HSW_L3_MISS_REMOTE_HOP0|HSW_L3_MISS_REMOTE_HOP1| \ | |
765 | HSW_L3_MISS_REMOTE_HOP2P) | |
766 | ||
767 | ||
0f1b5ca2 AK |
768 | static __initconst const u64 hsw_hw_cache_event_ids |
769 | [PERF_COUNT_HW_CACHE_MAX] | |
770 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
771 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
772 | { | |
773 | [ C(L1D ) ] = { | |
774 | [ C(OP_READ) ] = { | |
775 | [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */ | |
776 | [ C(RESULT_MISS) ] = 0x151, /* L1D.REPLACEMENT */ | |
777 | }, | |
778 | [ C(OP_WRITE) ] = { | |
779 | [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */ | |
780 | [ C(RESULT_MISS) ] = 0x0, | |
781 | }, | |
782 | [ C(OP_PREFETCH) ] = { | |
783 | [ C(RESULT_ACCESS) ] = 0x0, | |
784 | [ C(RESULT_MISS) ] = 0x0, | |
785 | }, | |
786 | }, | |
787 | [ C(L1I ) ] = { | |
788 | [ C(OP_READ) ] = { | |
789 | [ C(RESULT_ACCESS) ] = 0x0, | |
790 | [ C(RESULT_MISS) ] = 0x280, /* ICACHE.MISSES */ | |
791 | }, | |
792 | [ C(OP_WRITE) ] = { | |
793 | [ C(RESULT_ACCESS) ] = -1, | |
794 | [ C(RESULT_MISS) ] = -1, | |
795 | }, | |
796 | [ C(OP_PREFETCH) ] = { | |
797 | [ C(RESULT_ACCESS) ] = 0x0, | |
798 | [ C(RESULT_MISS) ] = 0x0, | |
799 | }, | |
800 | }, | |
801 | [ C(LL ) ] = { | |
802 | [ C(OP_READ) ] = { | |
803 | [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */ | |
804 | [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */ | |
805 | }, | |
806 | [ C(OP_WRITE) ] = { | |
807 | [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */ | |
808 | [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */ | |
809 | }, | |
810 | [ C(OP_PREFETCH) ] = { | |
811 | [ C(RESULT_ACCESS) ] = 0x0, | |
812 | [ C(RESULT_MISS) ] = 0x0, | |
813 | }, | |
814 | }, | |
815 | [ C(DTLB) ] = { | |
816 | [ C(OP_READ) ] = { | |
817 | [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */ | |
818 | [ C(RESULT_MISS) ] = 0x108, /* DTLB_LOAD_MISSES.MISS_CAUSES_A_WALK */ | |
819 | }, | |
820 | [ C(OP_WRITE) ] = { | |
821 | [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */ | |
822 | [ C(RESULT_MISS) ] = 0x149, /* DTLB_STORE_MISSES.MISS_CAUSES_A_WALK */ | |
823 | }, | |
824 | [ C(OP_PREFETCH) ] = { | |
825 | [ C(RESULT_ACCESS) ] = 0x0, | |
826 | [ C(RESULT_MISS) ] = 0x0, | |
827 | }, | |
828 | }, | |
829 | [ C(ITLB) ] = { | |
830 | [ C(OP_READ) ] = { | |
831 | [ C(RESULT_ACCESS) ] = 0x6085, /* ITLB_MISSES.STLB_HIT */ | |
832 | [ C(RESULT_MISS) ] = 0x185, /* ITLB_MISSES.MISS_CAUSES_A_WALK */ | |
833 | }, | |
834 | [ C(OP_WRITE) ] = { | |
835 | [ C(RESULT_ACCESS) ] = -1, | |
836 | [ C(RESULT_MISS) ] = -1, | |
837 | }, | |
838 | [ C(OP_PREFETCH) ] = { | |
839 | [ C(RESULT_ACCESS) ] = -1, | |
840 | [ C(RESULT_MISS) ] = -1, | |
841 | }, | |
842 | }, | |
843 | [ C(BPU ) ] = { | |
844 | [ C(OP_READ) ] = { | |
845 | [ C(RESULT_ACCESS) ] = 0xc4, /* BR_INST_RETIRED.ALL_BRANCHES */ | |
846 | [ C(RESULT_MISS) ] = 0xc5, /* BR_MISP_RETIRED.ALL_BRANCHES */ | |
847 | }, | |
848 | [ C(OP_WRITE) ] = { | |
849 | [ C(RESULT_ACCESS) ] = -1, | |
850 | [ C(RESULT_MISS) ] = -1, | |
851 | }, | |
852 | [ C(OP_PREFETCH) ] = { | |
853 | [ C(RESULT_ACCESS) ] = -1, | |
854 | [ C(RESULT_MISS) ] = -1, | |
855 | }, | |
856 | }, | |
857 | [ C(NODE) ] = { | |
858 | [ C(OP_READ) ] = { | |
859 | [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */ | |
860 | [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */ | |
861 | }, | |
862 | [ C(OP_WRITE) ] = { | |
863 | [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */ | |
864 | [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */ | |
865 | }, | |
866 | [ C(OP_PREFETCH) ] = { | |
867 | [ C(RESULT_ACCESS) ] = 0x0, | |
868 | [ C(RESULT_MISS) ] = 0x0, | |
869 | }, | |
870 | }, | |
871 | }; | |
872 | ||
873 | static __initconst const u64 hsw_hw_cache_extra_regs | |
874 | [PERF_COUNT_HW_CACHE_MAX] | |
875 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
876 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
877 | { | |
878 | [ C(LL ) ] = { | |
879 | [ C(OP_READ) ] = { | |
880 | [ C(RESULT_ACCESS) ] = HSW_DEMAND_READ| | |
881 | HSW_LLC_ACCESS, | |
882 | [ C(RESULT_MISS) ] = HSW_DEMAND_READ| | |
883 | HSW_L3_MISS|HSW_ANY_SNOOP, | |
884 | }, | |
885 | [ C(OP_WRITE) ] = { | |
886 | [ C(RESULT_ACCESS) ] = HSW_DEMAND_WRITE| | |
887 | HSW_LLC_ACCESS, | |
888 | [ C(RESULT_MISS) ] = HSW_DEMAND_WRITE| | |
889 | HSW_L3_MISS|HSW_ANY_SNOOP, | |
890 | }, | |
891 | [ C(OP_PREFETCH) ] = { | |
892 | [ C(RESULT_ACCESS) ] = 0x0, | |
893 | [ C(RESULT_MISS) ] = 0x0, | |
894 | }, | |
895 | }, | |
896 | [ C(NODE) ] = { | |
897 | [ C(OP_READ) ] = { | |
898 | [ C(RESULT_ACCESS) ] = HSW_DEMAND_READ| | |
899 | HSW_L3_MISS_LOCAL_DRAM| | |
900 | HSW_SNOOP_DRAM, | |
901 | [ C(RESULT_MISS) ] = HSW_DEMAND_READ| | |
902 | HSW_L3_MISS_REMOTE| | |
903 | HSW_SNOOP_DRAM, | |
904 | }, | |
905 | [ C(OP_WRITE) ] = { | |
906 | [ C(RESULT_ACCESS) ] = HSW_DEMAND_WRITE| | |
907 | HSW_L3_MISS_LOCAL_DRAM| | |
908 | HSW_SNOOP_DRAM, | |
909 | [ C(RESULT_MISS) ] = HSW_DEMAND_WRITE| | |
910 | HSW_L3_MISS_REMOTE| | |
911 | HSW_SNOOP_DRAM, | |
912 | }, | |
913 | [ C(OP_PREFETCH) ] = { | |
914 | [ C(RESULT_ACCESS) ] = 0x0, | |
915 | [ C(RESULT_MISS) ] = 0x0, | |
916 | }, | |
917 | }, | |
918 | }; | |
919 | ||
caaa8be3 | 920 | static __initconst const u64 westmere_hw_cache_event_ids |
f22f54f4 PZ |
921 | [PERF_COUNT_HW_CACHE_MAX] |
922 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
923 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
924 | { | |
925 | [ C(L1D) ] = { | |
926 | [ C(OP_READ) ] = { | |
927 | [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */ | |
928 | [ C(RESULT_MISS) ] = 0x0151, /* L1D.REPL */ | |
929 | }, | |
930 | [ C(OP_WRITE) ] = { | |
931 | [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */ | |
932 | [ C(RESULT_MISS) ] = 0x0251, /* L1D.M_REPL */ | |
933 | }, | |
934 | [ C(OP_PREFETCH) ] = { | |
935 | [ C(RESULT_ACCESS) ] = 0x014e, /* L1D_PREFETCH.REQUESTS */ | |
936 | [ C(RESULT_MISS) ] = 0x024e, /* L1D_PREFETCH.MISS */ | |
937 | }, | |
938 | }, | |
939 | [ C(L1I ) ] = { | |
940 | [ C(OP_READ) ] = { | |
941 | [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS */ | |
942 | [ C(RESULT_MISS) ] = 0x0280, /* L1I.MISSES */ | |
943 | }, | |
944 | [ C(OP_WRITE) ] = { | |
945 | [ C(RESULT_ACCESS) ] = -1, | |
946 | [ C(RESULT_MISS) ] = -1, | |
947 | }, | |
948 | [ C(OP_PREFETCH) ] = { | |
949 | [ C(RESULT_ACCESS) ] = 0x0, | |
950 | [ C(RESULT_MISS) ] = 0x0, | |
951 | }, | |
952 | }, | |
953 | [ C(LL ) ] = { | |
954 | [ C(OP_READ) ] = { | |
63b6a675 | 955 | /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */ |
e994d7d2 | 956 | [ C(RESULT_ACCESS) ] = 0x01b7, |
63b6a675 PZ |
957 | /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */ |
958 | [ C(RESULT_MISS) ] = 0x01b7, | |
f22f54f4 | 959 | }, |
e994d7d2 AK |
960 | /* |
961 | * Use RFO, not WRITEBACK, because a write miss would typically occur | |
962 | * on RFO. | |
963 | */ | |
f22f54f4 | 964 | [ C(OP_WRITE) ] = { |
63b6a675 PZ |
965 | /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */ |
966 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
967 | /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */ | |
e994d7d2 | 968 | [ C(RESULT_MISS) ] = 0x01b7, |
f22f54f4 PZ |
969 | }, |
970 | [ C(OP_PREFETCH) ] = { | |
63b6a675 | 971 | /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */ |
e994d7d2 | 972 | [ C(RESULT_ACCESS) ] = 0x01b7, |
63b6a675 PZ |
973 | /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */ |
974 | [ C(RESULT_MISS) ] = 0x01b7, | |
f22f54f4 PZ |
975 | }, |
976 | }, | |
977 | [ C(DTLB) ] = { | |
978 | [ C(OP_READ) ] = { | |
979 | [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */ | |
980 | [ C(RESULT_MISS) ] = 0x0108, /* DTLB_LOAD_MISSES.ANY */ | |
981 | }, | |
982 | [ C(OP_WRITE) ] = { | |
983 | [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */ | |
984 | [ C(RESULT_MISS) ] = 0x010c, /* MEM_STORE_RETIRED.DTLB_MISS */ | |
985 | }, | |
986 | [ C(OP_PREFETCH) ] = { | |
987 | [ C(RESULT_ACCESS) ] = 0x0, | |
988 | [ C(RESULT_MISS) ] = 0x0, | |
989 | }, | |
990 | }, | |
991 | [ C(ITLB) ] = { | |
992 | [ C(OP_READ) ] = { | |
993 | [ C(RESULT_ACCESS) ] = 0x01c0, /* INST_RETIRED.ANY_P */ | |
994 | [ C(RESULT_MISS) ] = 0x0185, /* ITLB_MISSES.ANY */ | |
995 | }, | |
996 | [ C(OP_WRITE) ] = { | |
997 | [ C(RESULT_ACCESS) ] = -1, | |
998 | [ C(RESULT_MISS) ] = -1, | |
999 | }, | |
1000 | [ C(OP_PREFETCH) ] = { | |
1001 | [ C(RESULT_ACCESS) ] = -1, | |
1002 | [ C(RESULT_MISS) ] = -1, | |
1003 | }, | |
1004 | }, | |
1005 | [ C(BPU ) ] = { | |
1006 | [ C(OP_READ) ] = { | |
1007 | [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */ | |
1008 | [ C(RESULT_MISS) ] = 0x03e8, /* BPU_CLEARS.ANY */ | |
1009 | }, | |
1010 | [ C(OP_WRITE) ] = { | |
1011 | [ C(RESULT_ACCESS) ] = -1, | |
1012 | [ C(RESULT_MISS) ] = -1, | |
1013 | }, | |
1014 | [ C(OP_PREFETCH) ] = { | |
1015 | [ C(RESULT_ACCESS) ] = -1, | |
1016 | [ C(RESULT_MISS) ] = -1, | |
1017 | }, | |
1018 | }, | |
89d6c0b5 PZ |
1019 | [ C(NODE) ] = { |
1020 | [ C(OP_READ) ] = { | |
1021 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
1022 | [ C(RESULT_MISS) ] = 0x01b7, | |
1023 | }, | |
1024 | [ C(OP_WRITE) ] = { | |
1025 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
1026 | [ C(RESULT_MISS) ] = 0x01b7, | |
1027 | }, | |
1028 | [ C(OP_PREFETCH) ] = { | |
1029 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
1030 | [ C(RESULT_MISS) ] = 0x01b7, | |
1031 | }, | |
1032 | }, | |
f22f54f4 PZ |
1033 | }; |
1034 | ||
e994d7d2 | 1035 | /* |
63b6a675 PZ |
1036 | * Nehalem/Westmere MSR_OFFCORE_RESPONSE bits; |
1037 | * See IA32 SDM Vol 3B 30.6.1.3 | |
e994d7d2 AK |
1038 | */ |
1039 | ||
63b6a675 PZ |
1040 | #define NHM_DMND_DATA_RD (1 << 0) |
1041 | #define NHM_DMND_RFO (1 << 1) | |
1042 | #define NHM_DMND_IFETCH (1 << 2) | |
1043 | #define NHM_DMND_WB (1 << 3) | |
1044 | #define NHM_PF_DATA_RD (1 << 4) | |
1045 | #define NHM_PF_DATA_RFO (1 << 5) | |
1046 | #define NHM_PF_IFETCH (1 << 6) | |
1047 | #define NHM_OFFCORE_OTHER (1 << 7) | |
1048 | #define NHM_UNCORE_HIT (1 << 8) | |
1049 | #define NHM_OTHER_CORE_HIT_SNP (1 << 9) | |
1050 | #define NHM_OTHER_CORE_HITM (1 << 10) | |
1051 | /* reserved */ | |
1052 | #define NHM_REMOTE_CACHE_FWD (1 << 12) | |
1053 | #define NHM_REMOTE_DRAM (1 << 13) | |
1054 | #define NHM_LOCAL_DRAM (1 << 14) | |
1055 | #define NHM_NON_DRAM (1 << 15) | |
1056 | ||
87e24f4b PZ |
1057 | #define NHM_LOCAL (NHM_LOCAL_DRAM|NHM_REMOTE_CACHE_FWD) |
1058 | #define NHM_REMOTE (NHM_REMOTE_DRAM) | |
63b6a675 PZ |
1059 | |
1060 | #define NHM_DMND_READ (NHM_DMND_DATA_RD) | |
1061 | #define NHM_DMND_WRITE (NHM_DMND_RFO|NHM_DMND_WB) | |
1062 | #define NHM_DMND_PREFETCH (NHM_PF_DATA_RD|NHM_PF_DATA_RFO) | |
1063 | ||
1064 | #define NHM_L3_HIT (NHM_UNCORE_HIT|NHM_OTHER_CORE_HIT_SNP|NHM_OTHER_CORE_HITM) | |
87e24f4b | 1065 | #define NHM_L3_MISS (NHM_NON_DRAM|NHM_LOCAL_DRAM|NHM_REMOTE_DRAM|NHM_REMOTE_CACHE_FWD) |
63b6a675 | 1066 | #define NHM_L3_ACCESS (NHM_L3_HIT|NHM_L3_MISS) |
e994d7d2 AK |
1067 | |
1068 | static __initconst const u64 nehalem_hw_cache_extra_regs | |
1069 | [PERF_COUNT_HW_CACHE_MAX] | |
1070 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
1071 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
1072 | { | |
1073 | [ C(LL ) ] = { | |
1074 | [ C(OP_READ) ] = { | |
63b6a675 PZ |
1075 | [ C(RESULT_ACCESS) ] = NHM_DMND_READ|NHM_L3_ACCESS, |
1076 | [ C(RESULT_MISS) ] = NHM_DMND_READ|NHM_L3_MISS, | |
e994d7d2 AK |
1077 | }, |
1078 | [ C(OP_WRITE) ] = { | |
63b6a675 PZ |
1079 | [ C(RESULT_ACCESS) ] = NHM_DMND_WRITE|NHM_L3_ACCESS, |
1080 | [ C(RESULT_MISS) ] = NHM_DMND_WRITE|NHM_L3_MISS, | |
e994d7d2 AK |
1081 | }, |
1082 | [ C(OP_PREFETCH) ] = { | |
63b6a675 PZ |
1083 | [ C(RESULT_ACCESS) ] = NHM_DMND_PREFETCH|NHM_L3_ACCESS, |
1084 | [ C(RESULT_MISS) ] = NHM_DMND_PREFETCH|NHM_L3_MISS, | |
e994d7d2 | 1085 | }, |
89d6c0b5 PZ |
1086 | }, |
1087 | [ C(NODE) ] = { | |
1088 | [ C(OP_READ) ] = { | |
87e24f4b PZ |
1089 | [ C(RESULT_ACCESS) ] = NHM_DMND_READ|NHM_LOCAL|NHM_REMOTE, |
1090 | [ C(RESULT_MISS) ] = NHM_DMND_READ|NHM_REMOTE, | |
89d6c0b5 PZ |
1091 | }, |
1092 | [ C(OP_WRITE) ] = { | |
87e24f4b PZ |
1093 | [ C(RESULT_ACCESS) ] = NHM_DMND_WRITE|NHM_LOCAL|NHM_REMOTE, |
1094 | [ C(RESULT_MISS) ] = NHM_DMND_WRITE|NHM_REMOTE, | |
89d6c0b5 PZ |
1095 | }, |
1096 | [ C(OP_PREFETCH) ] = { | |
87e24f4b PZ |
1097 | [ C(RESULT_ACCESS) ] = NHM_DMND_PREFETCH|NHM_LOCAL|NHM_REMOTE, |
1098 | [ C(RESULT_MISS) ] = NHM_DMND_PREFETCH|NHM_REMOTE, | |
89d6c0b5 PZ |
1099 | }, |
1100 | }, | |
e994d7d2 AK |
1101 | }; |
1102 | ||
caaa8be3 | 1103 | static __initconst const u64 nehalem_hw_cache_event_ids |
f22f54f4 PZ |
1104 | [PERF_COUNT_HW_CACHE_MAX] |
1105 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
1106 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
1107 | { | |
1108 | [ C(L1D) ] = { | |
1109 | [ C(OP_READ) ] = { | |
f4929bd3 PZ |
1110 | [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */ |
1111 | [ C(RESULT_MISS) ] = 0x0151, /* L1D.REPL */ | |
f22f54f4 PZ |
1112 | }, |
1113 | [ C(OP_WRITE) ] = { | |
f4929bd3 PZ |
1114 | [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */ |
1115 | [ C(RESULT_MISS) ] = 0x0251, /* L1D.M_REPL */ | |
f22f54f4 PZ |
1116 | }, |
1117 | [ C(OP_PREFETCH) ] = { | |
1118 | [ C(RESULT_ACCESS) ] = 0x014e, /* L1D_PREFETCH.REQUESTS */ | |
1119 | [ C(RESULT_MISS) ] = 0x024e, /* L1D_PREFETCH.MISS */ | |
1120 | }, | |
1121 | }, | |
1122 | [ C(L1I ) ] = { | |
1123 | [ C(OP_READ) ] = { | |
1124 | [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS */ | |
1125 | [ C(RESULT_MISS) ] = 0x0280, /* L1I.MISSES */ | |
1126 | }, | |
1127 | [ C(OP_WRITE) ] = { | |
1128 | [ C(RESULT_ACCESS) ] = -1, | |
1129 | [ C(RESULT_MISS) ] = -1, | |
1130 | }, | |
1131 | [ C(OP_PREFETCH) ] = { | |
1132 | [ C(RESULT_ACCESS) ] = 0x0, | |
1133 | [ C(RESULT_MISS) ] = 0x0, | |
1134 | }, | |
1135 | }, | |
1136 | [ C(LL ) ] = { | |
1137 | [ C(OP_READ) ] = { | |
e994d7d2 AK |
1138 | /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */ |
1139 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
1140 | /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */ | |
1141 | [ C(RESULT_MISS) ] = 0x01b7, | |
f22f54f4 | 1142 | }, |
e994d7d2 AK |
1143 | /* |
1144 | * Use RFO, not WRITEBACK, because a write miss would typically occur | |
1145 | * on RFO. | |
1146 | */ | |
f22f54f4 | 1147 | [ C(OP_WRITE) ] = { |
e994d7d2 AK |
1148 | /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */ |
1149 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
1150 | /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */ | |
1151 | [ C(RESULT_MISS) ] = 0x01b7, | |
f22f54f4 PZ |
1152 | }, |
1153 | [ C(OP_PREFETCH) ] = { | |
e994d7d2 AK |
1154 | /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */ |
1155 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
1156 | /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */ | |
1157 | [ C(RESULT_MISS) ] = 0x01b7, | |
f22f54f4 PZ |
1158 | }, |
1159 | }, | |
1160 | [ C(DTLB) ] = { | |
1161 | [ C(OP_READ) ] = { | |
1162 | [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI (alias) */ | |
1163 | [ C(RESULT_MISS) ] = 0x0108, /* DTLB_LOAD_MISSES.ANY */ | |
1164 | }, | |
1165 | [ C(OP_WRITE) ] = { | |
1166 | [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI (alias) */ | |
1167 | [ C(RESULT_MISS) ] = 0x010c, /* MEM_STORE_RETIRED.DTLB_MISS */ | |
1168 | }, | |
1169 | [ C(OP_PREFETCH) ] = { | |
1170 | [ C(RESULT_ACCESS) ] = 0x0, | |
1171 | [ C(RESULT_MISS) ] = 0x0, | |
1172 | }, | |
1173 | }, | |
1174 | [ C(ITLB) ] = { | |
1175 | [ C(OP_READ) ] = { | |
1176 | [ C(RESULT_ACCESS) ] = 0x01c0, /* INST_RETIRED.ANY_P */ | |
1177 | [ C(RESULT_MISS) ] = 0x20c8, /* ITLB_MISS_RETIRED */ | |
1178 | }, | |
1179 | [ C(OP_WRITE) ] = { | |
1180 | [ C(RESULT_ACCESS) ] = -1, | |
1181 | [ C(RESULT_MISS) ] = -1, | |
1182 | }, | |
1183 | [ C(OP_PREFETCH) ] = { | |
1184 | [ C(RESULT_ACCESS) ] = -1, | |
1185 | [ C(RESULT_MISS) ] = -1, | |
1186 | }, | |
1187 | }, | |
1188 | [ C(BPU ) ] = { | |
1189 | [ C(OP_READ) ] = { | |
1190 | [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */ | |
1191 | [ C(RESULT_MISS) ] = 0x03e8, /* BPU_CLEARS.ANY */ | |
1192 | }, | |
1193 | [ C(OP_WRITE) ] = { | |
1194 | [ C(RESULT_ACCESS) ] = -1, | |
1195 | [ C(RESULT_MISS) ] = -1, | |
1196 | }, | |
1197 | [ C(OP_PREFETCH) ] = { | |
1198 | [ C(RESULT_ACCESS) ] = -1, | |
1199 | [ C(RESULT_MISS) ] = -1, | |
1200 | }, | |
1201 | }, | |
89d6c0b5 PZ |
1202 | [ C(NODE) ] = { |
1203 | [ C(OP_READ) ] = { | |
1204 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
1205 | [ C(RESULT_MISS) ] = 0x01b7, | |
1206 | }, | |
1207 | [ C(OP_WRITE) ] = { | |
1208 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
1209 | [ C(RESULT_MISS) ] = 0x01b7, | |
1210 | }, | |
1211 | [ C(OP_PREFETCH) ] = { | |
1212 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
1213 | [ C(RESULT_MISS) ] = 0x01b7, | |
1214 | }, | |
1215 | }, | |
f22f54f4 PZ |
1216 | }; |
1217 | ||
caaa8be3 | 1218 | static __initconst const u64 core2_hw_cache_event_ids |
f22f54f4 PZ |
1219 | [PERF_COUNT_HW_CACHE_MAX] |
1220 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
1221 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
1222 | { | |
1223 | [ C(L1D) ] = { | |
1224 | [ C(OP_READ) ] = { | |
1225 | [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI */ | |
1226 | [ C(RESULT_MISS) ] = 0x0140, /* L1D_CACHE_LD.I_STATE */ | |
1227 | }, | |
1228 | [ C(OP_WRITE) ] = { | |
1229 | [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI */ | |
1230 | [ C(RESULT_MISS) ] = 0x0141, /* L1D_CACHE_ST.I_STATE */ | |
1231 | }, | |
1232 | [ C(OP_PREFETCH) ] = { | |
1233 | [ C(RESULT_ACCESS) ] = 0x104e, /* L1D_PREFETCH.REQUESTS */ | |
1234 | [ C(RESULT_MISS) ] = 0, | |
1235 | }, | |
1236 | }, | |
1237 | [ C(L1I ) ] = { | |
1238 | [ C(OP_READ) ] = { | |
1239 | [ C(RESULT_ACCESS) ] = 0x0080, /* L1I.READS */ | |
1240 | [ C(RESULT_MISS) ] = 0x0081, /* L1I.MISSES */ | |
1241 | }, | |
1242 | [ C(OP_WRITE) ] = { | |
1243 | [ C(RESULT_ACCESS) ] = -1, | |
1244 | [ C(RESULT_MISS) ] = -1, | |
1245 | }, | |
1246 | [ C(OP_PREFETCH) ] = { | |
1247 | [ C(RESULT_ACCESS) ] = 0, | |
1248 | [ C(RESULT_MISS) ] = 0, | |
1249 | }, | |
1250 | }, | |
1251 | [ C(LL ) ] = { | |
1252 | [ C(OP_READ) ] = { | |
1253 | [ C(RESULT_ACCESS) ] = 0x4f29, /* L2_LD.MESI */ | |
1254 | [ C(RESULT_MISS) ] = 0x4129, /* L2_LD.ISTATE */ | |
1255 | }, | |
1256 | [ C(OP_WRITE) ] = { | |
1257 | [ C(RESULT_ACCESS) ] = 0x4f2A, /* L2_ST.MESI */ | |
1258 | [ C(RESULT_MISS) ] = 0x412A, /* L2_ST.ISTATE */ | |
1259 | }, | |
1260 | [ C(OP_PREFETCH) ] = { | |
1261 | [ C(RESULT_ACCESS) ] = 0, | |
1262 | [ C(RESULT_MISS) ] = 0, | |
1263 | }, | |
1264 | }, | |
1265 | [ C(DTLB) ] = { | |
1266 | [ C(OP_READ) ] = { | |
1267 | [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI (alias) */ | |
1268 | [ C(RESULT_MISS) ] = 0x0208, /* DTLB_MISSES.MISS_LD */ | |
1269 | }, | |
1270 | [ C(OP_WRITE) ] = { | |
1271 | [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI (alias) */ | |
1272 | [ C(RESULT_MISS) ] = 0x0808, /* DTLB_MISSES.MISS_ST */ | |
1273 | }, | |
1274 | [ C(OP_PREFETCH) ] = { | |
1275 | [ C(RESULT_ACCESS) ] = 0, | |
1276 | [ C(RESULT_MISS) ] = 0, | |
1277 | }, | |
1278 | }, | |
1279 | [ C(ITLB) ] = { | |
1280 | [ C(OP_READ) ] = { | |
1281 | [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P */ | |
1282 | [ C(RESULT_MISS) ] = 0x1282, /* ITLBMISSES */ | |
1283 | }, | |
1284 | [ C(OP_WRITE) ] = { | |
1285 | [ C(RESULT_ACCESS) ] = -1, | |
1286 | [ C(RESULT_MISS) ] = -1, | |
1287 | }, | |
1288 | [ C(OP_PREFETCH) ] = { | |
1289 | [ C(RESULT_ACCESS) ] = -1, | |
1290 | [ C(RESULT_MISS) ] = -1, | |
1291 | }, | |
1292 | }, | |
1293 | [ C(BPU ) ] = { | |
1294 | [ C(OP_READ) ] = { | |
1295 | [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY */ | |
1296 | [ C(RESULT_MISS) ] = 0x00c5, /* BP_INST_RETIRED.MISPRED */ | |
1297 | }, | |
1298 | [ C(OP_WRITE) ] = { | |
1299 | [ C(RESULT_ACCESS) ] = -1, | |
1300 | [ C(RESULT_MISS) ] = -1, | |
1301 | }, | |
1302 | [ C(OP_PREFETCH) ] = { | |
1303 | [ C(RESULT_ACCESS) ] = -1, | |
1304 | [ C(RESULT_MISS) ] = -1, | |
1305 | }, | |
1306 | }, | |
1307 | }; | |
1308 | ||
caaa8be3 | 1309 | static __initconst const u64 atom_hw_cache_event_ids |
f22f54f4 PZ |
1310 | [PERF_COUNT_HW_CACHE_MAX] |
1311 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
1312 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
1313 | { | |
1314 | [ C(L1D) ] = { | |
1315 | [ C(OP_READ) ] = { | |
1316 | [ C(RESULT_ACCESS) ] = 0x2140, /* L1D_CACHE.LD */ | |
1317 | [ C(RESULT_MISS) ] = 0, | |
1318 | }, | |
1319 | [ C(OP_WRITE) ] = { | |
1320 | [ C(RESULT_ACCESS) ] = 0x2240, /* L1D_CACHE.ST */ | |
1321 | [ C(RESULT_MISS) ] = 0, | |
1322 | }, | |
1323 | [ C(OP_PREFETCH) ] = { | |
1324 | [ C(RESULT_ACCESS) ] = 0x0, | |
1325 | [ C(RESULT_MISS) ] = 0, | |
1326 | }, | |
1327 | }, | |
1328 | [ C(L1I ) ] = { | |
1329 | [ C(OP_READ) ] = { | |
1330 | [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS */ | |
1331 | [ C(RESULT_MISS) ] = 0x0280, /* L1I.MISSES */ | |
1332 | }, | |
1333 | [ C(OP_WRITE) ] = { | |
1334 | [ C(RESULT_ACCESS) ] = -1, | |
1335 | [ C(RESULT_MISS) ] = -1, | |
1336 | }, | |
1337 | [ C(OP_PREFETCH) ] = { | |
1338 | [ C(RESULT_ACCESS) ] = 0, | |
1339 | [ C(RESULT_MISS) ] = 0, | |
1340 | }, | |
1341 | }, | |
1342 | [ C(LL ) ] = { | |
1343 | [ C(OP_READ) ] = { | |
1344 | [ C(RESULT_ACCESS) ] = 0x4f29, /* L2_LD.MESI */ | |
1345 | [ C(RESULT_MISS) ] = 0x4129, /* L2_LD.ISTATE */ | |
1346 | }, | |
1347 | [ C(OP_WRITE) ] = { | |
1348 | [ C(RESULT_ACCESS) ] = 0x4f2A, /* L2_ST.MESI */ | |
1349 | [ C(RESULT_MISS) ] = 0x412A, /* L2_ST.ISTATE */ | |
1350 | }, | |
1351 | [ C(OP_PREFETCH) ] = { | |
1352 | [ C(RESULT_ACCESS) ] = 0, | |
1353 | [ C(RESULT_MISS) ] = 0, | |
1354 | }, | |
1355 | }, | |
1356 | [ C(DTLB) ] = { | |
1357 | [ C(OP_READ) ] = { | |
1358 | [ C(RESULT_ACCESS) ] = 0x2140, /* L1D_CACHE_LD.MESI (alias) */ | |
1359 | [ C(RESULT_MISS) ] = 0x0508, /* DTLB_MISSES.MISS_LD */ | |
1360 | }, | |
1361 | [ C(OP_WRITE) ] = { | |
1362 | [ C(RESULT_ACCESS) ] = 0x2240, /* L1D_CACHE_ST.MESI (alias) */ | |
1363 | [ C(RESULT_MISS) ] = 0x0608, /* DTLB_MISSES.MISS_ST */ | |
1364 | }, | |
1365 | [ C(OP_PREFETCH) ] = { | |
1366 | [ C(RESULT_ACCESS) ] = 0, | |
1367 | [ C(RESULT_MISS) ] = 0, | |
1368 | }, | |
1369 | }, | |
1370 | [ C(ITLB) ] = { | |
1371 | [ C(OP_READ) ] = { | |
1372 | [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P */ | |
1373 | [ C(RESULT_MISS) ] = 0x0282, /* ITLB.MISSES */ | |
1374 | }, | |
1375 | [ C(OP_WRITE) ] = { | |
1376 | [ C(RESULT_ACCESS) ] = -1, | |
1377 | [ C(RESULT_MISS) ] = -1, | |
1378 | }, | |
1379 | [ C(OP_PREFETCH) ] = { | |
1380 | [ C(RESULT_ACCESS) ] = -1, | |
1381 | [ C(RESULT_MISS) ] = -1, | |
1382 | }, | |
1383 | }, | |
1384 | [ C(BPU ) ] = { | |
1385 | [ C(OP_READ) ] = { | |
1386 | [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY */ | |
1387 | [ C(RESULT_MISS) ] = 0x00c5, /* BP_INST_RETIRED.MISPRED */ | |
1388 | }, | |
1389 | [ C(OP_WRITE) ] = { | |
1390 | [ C(RESULT_ACCESS) ] = -1, | |
1391 | [ C(RESULT_MISS) ] = -1, | |
1392 | }, | |
1393 | [ C(OP_PREFETCH) ] = { | |
1394 | [ C(RESULT_ACCESS) ] = -1, | |
1395 | [ C(RESULT_MISS) ] = -1, | |
1396 | }, | |
1397 | }, | |
1398 | }; | |
1399 | ||
eb12b8ec AK |
1400 | EVENT_ATTR_STR(topdown-total-slots, td_total_slots_slm, "event=0x3c"); |
1401 | EVENT_ATTR_STR(topdown-total-slots.scale, td_total_slots_scale_slm, "2"); | |
1402 | /* no_alloc_cycles.not_delivered */ | |
1403 | EVENT_ATTR_STR(topdown-fetch-bubbles, td_fetch_bubbles_slm, | |
1404 | "event=0xca,umask=0x50"); | |
1405 | EVENT_ATTR_STR(topdown-fetch-bubbles.scale, td_fetch_bubbles_scale_slm, "2"); | |
1406 | /* uops_retired.all */ | |
1407 | EVENT_ATTR_STR(topdown-slots-issued, td_slots_issued_slm, | |
1408 | "event=0xc2,umask=0x10"); | |
1409 | /* uops_retired.all */ | |
1410 | EVENT_ATTR_STR(topdown-slots-retired, td_slots_retired_slm, | |
1411 | "event=0xc2,umask=0x10"); | |
1412 | ||
1413 | static struct attribute *slm_events_attrs[] = { | |
1414 | EVENT_PTR(td_total_slots_slm), | |
1415 | EVENT_PTR(td_total_slots_scale_slm), | |
1416 | EVENT_PTR(td_fetch_bubbles_slm), | |
1417 | EVENT_PTR(td_fetch_bubbles_scale_slm), | |
1418 | EVENT_PTR(td_slots_issued_slm), | |
1419 | EVENT_PTR(td_slots_retired_slm), | |
1420 | NULL | |
1421 | }; | |
1422 | ||
1fa64180 YZ |
1423 | static struct extra_reg intel_slm_extra_regs[] __read_mostly = |
1424 | { | |
1425 | /* must define OFFCORE_RSP_X first, see intel_fixup_er() */ | |
06c939c1 | 1426 | INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x768005ffffull, RSP_0), |
ae3f011f | 1427 | INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0x368005ffffull, RSP_1), |
1fa64180 YZ |
1428 | EVENT_EXTRA_END |
1429 | }; | |
1430 | ||
1431 | #define SLM_DMND_READ SNB_DMND_DATA_RD | |
1432 | #define SLM_DMND_WRITE SNB_DMND_RFO | |
1433 | #define SLM_DMND_PREFETCH (SNB_PF_DATA_RD|SNB_PF_RFO) | |
1434 | ||
1435 | #define SLM_SNP_ANY (SNB_SNP_NONE|SNB_SNP_MISS|SNB_NO_FWD|SNB_HITM) | |
1436 | #define SLM_LLC_ACCESS SNB_RESP_ANY | |
1437 | #define SLM_LLC_MISS (SLM_SNP_ANY|SNB_NON_DRAM) | |
1438 | ||
1439 | static __initconst const u64 slm_hw_cache_extra_regs | |
1440 | [PERF_COUNT_HW_CACHE_MAX] | |
1441 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
1442 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
1443 | { | |
1444 | [ C(LL ) ] = { | |
1445 | [ C(OP_READ) ] = { | |
1446 | [ C(RESULT_ACCESS) ] = SLM_DMND_READ|SLM_LLC_ACCESS, | |
6d374056 | 1447 | [ C(RESULT_MISS) ] = 0, |
1fa64180 YZ |
1448 | }, |
1449 | [ C(OP_WRITE) ] = { | |
1450 | [ C(RESULT_ACCESS) ] = SLM_DMND_WRITE|SLM_LLC_ACCESS, | |
1451 | [ C(RESULT_MISS) ] = SLM_DMND_WRITE|SLM_LLC_MISS, | |
1452 | }, | |
1453 | [ C(OP_PREFETCH) ] = { | |
1454 | [ C(RESULT_ACCESS) ] = SLM_DMND_PREFETCH|SLM_LLC_ACCESS, | |
1455 | [ C(RESULT_MISS) ] = SLM_DMND_PREFETCH|SLM_LLC_MISS, | |
1456 | }, | |
1457 | }, | |
1458 | }; | |
1459 | ||
1460 | static __initconst const u64 slm_hw_cache_event_ids | |
1461 | [PERF_COUNT_HW_CACHE_MAX] | |
1462 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
1463 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = | |
1464 | { | |
1465 | [ C(L1D) ] = { | |
1466 | [ C(OP_READ) ] = { | |
1467 | [ C(RESULT_ACCESS) ] = 0, | |
1468 | [ C(RESULT_MISS) ] = 0x0104, /* LD_DCU_MISS */ | |
1469 | }, | |
1470 | [ C(OP_WRITE) ] = { | |
1471 | [ C(RESULT_ACCESS) ] = 0, | |
1472 | [ C(RESULT_MISS) ] = 0, | |
1473 | }, | |
1474 | [ C(OP_PREFETCH) ] = { | |
1475 | [ C(RESULT_ACCESS) ] = 0, | |
1476 | [ C(RESULT_MISS) ] = 0, | |
1477 | }, | |
1478 | }, | |
1479 | [ C(L1I ) ] = { | |
1480 | [ C(OP_READ) ] = { | |
1481 | [ C(RESULT_ACCESS) ] = 0x0380, /* ICACHE.ACCESSES */ | |
1482 | [ C(RESULT_MISS) ] = 0x0280, /* ICACGE.MISSES */ | |
1483 | }, | |
1484 | [ C(OP_WRITE) ] = { | |
1485 | [ C(RESULT_ACCESS) ] = -1, | |
1486 | [ C(RESULT_MISS) ] = -1, | |
1487 | }, | |
1488 | [ C(OP_PREFETCH) ] = { | |
1489 | [ C(RESULT_ACCESS) ] = 0, | |
1490 | [ C(RESULT_MISS) ] = 0, | |
1491 | }, | |
1492 | }, | |
1493 | [ C(LL ) ] = { | |
1494 | [ C(OP_READ) ] = { | |
1495 | /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */ | |
1496 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
6d374056 | 1497 | [ C(RESULT_MISS) ] = 0, |
1fa64180 YZ |
1498 | }, |
1499 | [ C(OP_WRITE) ] = { | |
1500 | /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */ | |
1501 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
1502 | /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */ | |
1503 | [ C(RESULT_MISS) ] = 0x01b7, | |
1504 | }, | |
1505 | [ C(OP_PREFETCH) ] = { | |
1506 | /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */ | |
1507 | [ C(RESULT_ACCESS) ] = 0x01b7, | |
1508 | /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */ | |
1509 | [ C(RESULT_MISS) ] = 0x01b7, | |
1510 | }, | |
1511 | }, | |
1512 | [ C(DTLB) ] = { | |
1513 | [ C(OP_READ) ] = { | |
1514 | [ C(RESULT_ACCESS) ] = 0, | |
1515 | [ C(RESULT_MISS) ] = 0x0804, /* LD_DTLB_MISS */ | |
1516 | }, | |
1517 | [ C(OP_WRITE) ] = { | |
1518 | [ C(RESULT_ACCESS) ] = 0, | |
1519 | [ C(RESULT_MISS) ] = 0, | |
1520 | }, | |
1521 | [ C(OP_PREFETCH) ] = { | |
1522 | [ C(RESULT_ACCESS) ] = 0, | |
1523 | [ C(RESULT_MISS) ] = 0, | |
1524 | }, | |
1525 | }, | |
1526 | [ C(ITLB) ] = { | |
1527 | [ C(OP_READ) ] = { | |
1528 | [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P */ | |
6d374056 | 1529 | [ C(RESULT_MISS) ] = 0x40205, /* PAGE_WALKS.I_SIDE_WALKS */ |
1fa64180 YZ |
1530 | }, |
1531 | [ C(OP_WRITE) ] = { | |
1532 | [ C(RESULT_ACCESS) ] = -1, | |
1533 | [ C(RESULT_MISS) ] = -1, | |
1534 | }, | |
1535 | [ C(OP_PREFETCH) ] = { | |
1536 | [ C(RESULT_ACCESS) ] = -1, | |
1537 | [ C(RESULT_MISS) ] = -1, | |
1538 | }, | |
1539 | }, | |
1540 | [ C(BPU ) ] = { | |
1541 | [ C(OP_READ) ] = { | |
1542 | [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY */ | |
1543 | [ C(RESULT_MISS) ] = 0x00c5, /* BP_INST_RETIRED.MISPRED */ | |
1544 | }, | |
1545 | [ C(OP_WRITE) ] = { | |
1546 | [ C(RESULT_ACCESS) ] = -1, | |
1547 | [ C(RESULT_MISS) ] = -1, | |
1548 | }, | |
1549 | [ C(OP_PREFETCH) ] = { | |
1550 | [ C(RESULT_ACCESS) ] = -1, | |
1551 | [ C(RESULT_MISS) ] = -1, | |
1552 | }, | |
1553 | }, | |
1554 | }; | |
1555 | ||
8b92c3a7 KL |
1556 | static struct extra_reg intel_glm_extra_regs[] __read_mostly = { |
1557 | /* must define OFFCORE_RSP_X first, see intel_fixup_er() */ | |
1558 | INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x760005ffbfull, RSP_0), | |
1559 | INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0x360005ffbfull, RSP_1), | |
1560 | EVENT_EXTRA_END | |
1561 | }; | |
1562 | ||
1563 | #define GLM_DEMAND_DATA_RD BIT_ULL(0) | |
1564 | #define GLM_DEMAND_RFO BIT_ULL(1) | |
1565 | #define GLM_ANY_RESPONSE BIT_ULL(16) | |
1566 | #define GLM_SNP_NONE_OR_MISS BIT_ULL(33) | |
1567 | #define GLM_DEMAND_READ GLM_DEMAND_DATA_RD | |
1568 | #define GLM_DEMAND_WRITE GLM_DEMAND_RFO | |
1569 | #define GLM_DEMAND_PREFETCH (SNB_PF_DATA_RD|SNB_PF_RFO) | |
1570 | #define GLM_LLC_ACCESS GLM_ANY_RESPONSE | |
1571 | #define GLM_SNP_ANY (GLM_SNP_NONE_OR_MISS|SNB_NO_FWD|SNB_HITM) | |
1572 | #define GLM_LLC_MISS (GLM_SNP_ANY|SNB_NON_DRAM) | |
1573 | ||
1574 | static __initconst const u64 glm_hw_cache_event_ids | |
1575 | [PERF_COUNT_HW_CACHE_MAX] | |
1576 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
1577 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = { | |
1578 | [C(L1D)] = { | |
1579 | [C(OP_READ)] = { | |
1580 | [C(RESULT_ACCESS)] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */ | |
1581 | [C(RESULT_MISS)] = 0x0, | |
1582 | }, | |
1583 | [C(OP_WRITE)] = { | |
1584 | [C(RESULT_ACCESS)] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */ | |
1585 | [C(RESULT_MISS)] = 0x0, | |
1586 | }, | |
1587 | [C(OP_PREFETCH)] = { | |
1588 | [C(RESULT_ACCESS)] = 0x0, | |
1589 | [C(RESULT_MISS)] = 0x0, | |
1590 | }, | |
1591 | }, | |
1592 | [C(L1I)] = { | |
1593 | [C(OP_READ)] = { | |
1594 | [C(RESULT_ACCESS)] = 0x0380, /* ICACHE.ACCESSES */ | |
1595 | [C(RESULT_MISS)] = 0x0280, /* ICACHE.MISSES */ | |
1596 | }, | |
1597 | [C(OP_WRITE)] = { | |
1598 | [C(RESULT_ACCESS)] = -1, | |
1599 | [C(RESULT_MISS)] = -1, | |
1600 | }, | |
1601 | [C(OP_PREFETCH)] = { | |
1602 | [C(RESULT_ACCESS)] = 0x0, | |
1603 | [C(RESULT_MISS)] = 0x0, | |
1604 | }, | |
1605 | }, | |
1606 | [C(LL)] = { | |
1607 | [C(OP_READ)] = { | |
1608 | [C(RESULT_ACCESS)] = 0x1b7, /* OFFCORE_RESPONSE */ | |
1609 | [C(RESULT_MISS)] = 0x1b7, /* OFFCORE_RESPONSE */ | |
1610 | }, | |
1611 | [C(OP_WRITE)] = { | |
1612 | [C(RESULT_ACCESS)] = 0x1b7, /* OFFCORE_RESPONSE */ | |
1613 | [C(RESULT_MISS)] = 0x1b7, /* OFFCORE_RESPONSE */ | |
1614 | }, | |
1615 | [C(OP_PREFETCH)] = { | |
1616 | [C(RESULT_ACCESS)] = 0x1b7, /* OFFCORE_RESPONSE */ | |
1617 | [C(RESULT_MISS)] = 0x1b7, /* OFFCORE_RESPONSE */ | |
1618 | }, | |
1619 | }, | |
1620 | [C(DTLB)] = { | |
1621 | [C(OP_READ)] = { | |
1622 | [C(RESULT_ACCESS)] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */ | |
1623 | [C(RESULT_MISS)] = 0x0, | |
1624 | }, | |
1625 | [C(OP_WRITE)] = { | |
1626 | [C(RESULT_ACCESS)] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */ | |
1627 | [C(RESULT_MISS)] = 0x0, | |
1628 | }, | |
1629 | [C(OP_PREFETCH)] = { | |
1630 | [C(RESULT_ACCESS)] = 0x0, | |
1631 | [C(RESULT_MISS)] = 0x0, | |
1632 | }, | |
1633 | }, | |
1634 | [C(ITLB)] = { | |
1635 | [C(OP_READ)] = { | |
1636 | [C(RESULT_ACCESS)] = 0x00c0, /* INST_RETIRED.ANY_P */ | |
1637 | [C(RESULT_MISS)] = 0x0481, /* ITLB.MISS */ | |
1638 | }, | |
1639 | [C(OP_WRITE)] = { | |
1640 | [C(RESULT_ACCESS)] = -1, | |
1641 | [C(RESULT_MISS)] = -1, | |
1642 | }, | |
1643 | [C(OP_PREFETCH)] = { | |
1644 | [C(RESULT_ACCESS)] = -1, | |
1645 | [C(RESULT_MISS)] = -1, | |
1646 | }, | |
1647 | }, | |
1648 | [C(BPU)] = { | |
1649 | [C(OP_READ)] = { | |
1650 | [C(RESULT_ACCESS)] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */ | |
1651 | [C(RESULT_MISS)] = 0x00c5, /* BR_MISP_RETIRED.ALL_BRANCHES */ | |
1652 | }, | |
1653 | [C(OP_WRITE)] = { | |
1654 | [C(RESULT_ACCESS)] = -1, | |
1655 | [C(RESULT_MISS)] = -1, | |
1656 | }, | |
1657 | [C(OP_PREFETCH)] = { | |
1658 | [C(RESULT_ACCESS)] = -1, | |
1659 | [C(RESULT_MISS)] = -1, | |
1660 | }, | |
1661 | }, | |
1662 | }; | |
1663 | ||
1664 | static __initconst const u64 glm_hw_cache_extra_regs | |
1665 | [PERF_COUNT_HW_CACHE_MAX] | |
1666 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
1667 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = { | |
1668 | [C(LL)] = { | |
1669 | [C(OP_READ)] = { | |
1670 | [C(RESULT_ACCESS)] = GLM_DEMAND_READ| | |
1671 | GLM_LLC_ACCESS, | |
1672 | [C(RESULT_MISS)] = GLM_DEMAND_READ| | |
1673 | GLM_LLC_MISS, | |
1674 | }, | |
1675 | [C(OP_WRITE)] = { | |
1676 | [C(RESULT_ACCESS)] = GLM_DEMAND_WRITE| | |
1677 | GLM_LLC_ACCESS, | |
1678 | [C(RESULT_MISS)] = GLM_DEMAND_WRITE| | |
1679 | GLM_LLC_MISS, | |
1680 | }, | |
1681 | [C(OP_PREFETCH)] = { | |
1682 | [C(RESULT_ACCESS)] = GLM_DEMAND_PREFETCH| | |
1683 | GLM_LLC_ACCESS, | |
1684 | [C(RESULT_MISS)] = GLM_DEMAND_PREFETCH| | |
1685 | GLM_LLC_MISS, | |
1686 | }, | |
1687 | }, | |
1688 | }; | |
1689 | ||
1e7b9390 HC |
1690 | #define KNL_OT_L2_HITE BIT_ULL(19) /* Other Tile L2 Hit */ |
1691 | #define KNL_OT_L2_HITF BIT_ULL(20) /* Other Tile L2 Hit */ | |
1692 | #define KNL_MCDRAM_LOCAL BIT_ULL(21) | |
1693 | #define KNL_MCDRAM_FAR BIT_ULL(22) | |
1694 | #define KNL_DDR_LOCAL BIT_ULL(23) | |
1695 | #define KNL_DDR_FAR BIT_ULL(24) | |
1696 | #define KNL_DRAM_ANY (KNL_MCDRAM_LOCAL | KNL_MCDRAM_FAR | \ | |
1697 | KNL_DDR_LOCAL | KNL_DDR_FAR) | |
1698 | #define KNL_L2_READ SLM_DMND_READ | |
1699 | #define KNL_L2_WRITE SLM_DMND_WRITE | |
1700 | #define KNL_L2_PREFETCH SLM_DMND_PREFETCH | |
1701 | #define KNL_L2_ACCESS SLM_LLC_ACCESS | |
1702 | #define KNL_L2_MISS (KNL_OT_L2_HITE | KNL_OT_L2_HITF | \ | |
1703 | KNL_DRAM_ANY | SNB_SNP_ANY | \ | |
1704 | SNB_NON_DRAM) | |
1705 | ||
1706 | static __initconst const u64 knl_hw_cache_extra_regs | |
1707 | [PERF_COUNT_HW_CACHE_MAX] | |
1708 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
1709 | [PERF_COUNT_HW_CACHE_RESULT_MAX] = { | |
1710 | [C(LL)] = { | |
1711 | [C(OP_READ)] = { | |
1712 | [C(RESULT_ACCESS)] = KNL_L2_READ | KNL_L2_ACCESS, | |
1713 | [C(RESULT_MISS)] = 0, | |
1714 | }, | |
1715 | [C(OP_WRITE)] = { | |
1716 | [C(RESULT_ACCESS)] = KNL_L2_WRITE | KNL_L2_ACCESS, | |
1717 | [C(RESULT_MISS)] = KNL_L2_WRITE | KNL_L2_MISS, | |
1718 | }, | |
1719 | [C(OP_PREFETCH)] = { | |
1720 | [C(RESULT_ACCESS)] = KNL_L2_PREFETCH | KNL_L2_ACCESS, | |
1721 | [C(RESULT_MISS)] = KNL_L2_PREFETCH | KNL_L2_MISS, | |
1722 | }, | |
1723 | }, | |
1724 | }; | |
1725 | ||
1a78d937 | 1726 | /* |
c3d266c8 KL |
1727 | * Used from PMIs where the LBRs are already disabled. |
1728 | * | |
1729 | * This function could be called consecutively. It is required to remain in | |
1730 | * disabled state if called consecutively. | |
1731 | * | |
1732 | * During consecutive calls, the same disable value will be written to related | |
cecf6235 AS |
1733 | * registers, so the PMU state remains unchanged. |
1734 | * | |
1735 | * intel_bts events don't coexist with intel PMU's BTS events because of | |
1736 | * x86_add_exclusive(x86_lbr_exclusive_lbr); there's no need to keep them | |
1737 | * disabled around intel PMU's event batching etc, only inside the PMI handler. | |
1a78d937 AK |
1738 | */ |
1739 | static void __intel_pmu_disable_all(void) | |
f22f54f4 | 1740 | { |
89cbc767 | 1741 | struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); |
f22f54f4 PZ |
1742 | |
1743 | wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0); | |
1744 | ||
15c7ad51 | 1745 | if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask)) |
f22f54f4 | 1746 | intel_pmu_disable_bts(); |
ca037701 PZ |
1747 | |
1748 | intel_pmu_pebs_disable_all(); | |
1a78d937 AK |
1749 | } |
1750 | ||
1751 | static void intel_pmu_disable_all(void) | |
1752 | { | |
1753 | __intel_pmu_disable_all(); | |
caff2bef | 1754 | intel_pmu_lbr_disable_all(); |
f22f54f4 PZ |
1755 | } |
1756 | ||
1a78d937 | 1757 | static void __intel_pmu_enable_all(int added, bool pmi) |
f22f54f4 | 1758 | { |
89cbc767 | 1759 | struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); |
f22f54f4 | 1760 | |
d329527e | 1761 | intel_pmu_pebs_enable_all(); |
1a78d937 | 1762 | intel_pmu_lbr_enable_all(pmi); |
144d31e6 GN |
1763 | wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, |
1764 | x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_guest_mask); | |
f22f54f4 | 1765 | |
15c7ad51 | 1766 | if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask)) { |
f22f54f4 | 1767 | struct perf_event *event = |
15c7ad51 | 1768 | cpuc->events[INTEL_PMC_IDX_FIXED_BTS]; |
f22f54f4 PZ |
1769 | |
1770 | if (WARN_ON_ONCE(!event)) | |
1771 | return; | |
1772 | ||
1773 | intel_pmu_enable_bts(event->hw.config); | |
cecf6235 | 1774 | } |
f22f54f4 PZ |
1775 | } |
1776 | ||
1a78d937 AK |
1777 | static void intel_pmu_enable_all(int added) |
1778 | { | |
1779 | __intel_pmu_enable_all(added, false); | |
1780 | } | |
1781 | ||
11164cd4 PZ |
1782 | /* |
1783 | * Workaround for: | |
1784 | * Intel Errata AAK100 (model 26) | |
1785 | * Intel Errata AAP53 (model 30) | |
40b91cd1 | 1786 | * Intel Errata BD53 (model 44) |
11164cd4 | 1787 | * |
351af072 ZY |
1788 | * The official story: |
1789 | * These chips need to be 'reset' when adding counters by programming the | |
1790 | * magic three (non-counting) events 0x4300B5, 0x4300D2, and 0x4300B1 either | |
1791 | * in sequence on the same PMC or on different PMCs. | |
1792 | * | |
1793 | * In practise it appears some of these events do in fact count, and | |
1794 | * we need to programm all 4 events. | |
11164cd4 | 1795 | */ |
351af072 | 1796 | static void intel_pmu_nhm_workaround(void) |
11164cd4 | 1797 | { |
89cbc767 | 1798 | struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); |
351af072 ZY |
1799 | static const unsigned long nhm_magic[4] = { |
1800 | 0x4300B5, | |
1801 | 0x4300D2, | |
1802 | 0x4300B1, | |
1803 | 0x4300B1 | |
1804 | }; | |
1805 | struct perf_event *event; | |
1806 | int i; | |
11164cd4 | 1807 | |
351af072 ZY |
1808 | /* |
1809 | * The Errata requires below steps: | |
1810 | * 1) Clear MSR_IA32_PEBS_ENABLE and MSR_CORE_PERF_GLOBAL_CTRL; | |
1811 | * 2) Configure 4 PERFEVTSELx with the magic events and clear | |
1812 | * the corresponding PMCx; | |
1813 | * 3) set bit0~bit3 of MSR_CORE_PERF_GLOBAL_CTRL; | |
1814 | * 4) Clear MSR_CORE_PERF_GLOBAL_CTRL; | |
1815 | * 5) Clear 4 pairs of ERFEVTSELx and PMCx; | |
1816 | */ | |
11164cd4 | 1817 | |
351af072 ZY |
1818 | /* |
1819 | * The real steps we choose are a little different from above. | |
1820 | * A) To reduce MSR operations, we don't run step 1) as they | |
1821 | * are already cleared before this function is called; | |
1822 | * B) Call x86_perf_event_update to save PMCx before configuring | |
1823 | * PERFEVTSELx with magic number; | |
1824 | * C) With step 5), we do clear only when the PERFEVTSELx is | |
1825 | * not used currently. | |
1826 | * D) Call x86_perf_event_set_period to restore PMCx; | |
1827 | */ | |
11164cd4 | 1828 | |
351af072 ZY |
1829 | /* We always operate 4 pairs of PERF Counters */ |
1830 | for (i = 0; i < 4; i++) { | |
1831 | event = cpuc->events[i]; | |
1832 | if (event) | |
1833 | x86_perf_event_update(event); | |
1834 | } | |
11164cd4 | 1835 | |
351af072 ZY |
1836 | for (i = 0; i < 4; i++) { |
1837 | wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + i, nhm_magic[i]); | |
1838 | wrmsrl(MSR_ARCH_PERFMON_PERFCTR0 + i, 0x0); | |
1839 | } | |
1840 | ||
1841 | wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0xf); | |
1842 | wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0x0); | |
11164cd4 | 1843 | |
351af072 ZY |
1844 | for (i = 0; i < 4; i++) { |
1845 | event = cpuc->events[i]; | |
1846 | ||
1847 | if (event) { | |
1848 | x86_perf_event_set_period(event); | |
31fa58af | 1849 | __x86_pmu_enable_event(&event->hw, |
351af072 ZY |
1850 | ARCH_PERFMON_EVENTSEL_ENABLE); |
1851 | } else | |
1852 | wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + i, 0x0); | |
11164cd4 | 1853 | } |
351af072 ZY |
1854 | } |
1855 | ||
1856 | static void intel_pmu_nhm_enable_all(int added) | |
1857 | { | |
1858 | if (added) | |
1859 | intel_pmu_nhm_workaround(); | |
11164cd4 PZ |
1860 | intel_pmu_enable_all(added); |
1861 | } | |
1862 | ||
f22f54f4 PZ |
1863 | static inline u64 intel_pmu_get_status(void) |
1864 | { | |
1865 | u64 status; | |
1866 | ||
1867 | rdmsrl(MSR_CORE_PERF_GLOBAL_STATUS, status); | |
1868 | ||
1869 | return status; | |
1870 | } | |
1871 | ||
1872 | static inline void intel_pmu_ack_status(u64 ack) | |
1873 | { | |
1874 | wrmsrl(MSR_CORE_PERF_GLOBAL_OVF_CTRL, ack); | |
1875 | } | |
1876 | ||
ca037701 | 1877 | static void intel_pmu_disable_fixed(struct hw_perf_event *hwc) |
f22f54f4 | 1878 | { |
15c7ad51 | 1879 | int idx = hwc->idx - INTEL_PMC_IDX_FIXED; |
f22f54f4 PZ |
1880 | u64 ctrl_val, mask; |
1881 | ||
1882 | mask = 0xfULL << (idx * 4); | |
1883 | ||
1884 | rdmsrl(hwc->config_base, ctrl_val); | |
1885 | ctrl_val &= ~mask; | |
7645a24c | 1886 | wrmsrl(hwc->config_base, ctrl_val); |
f22f54f4 PZ |
1887 | } |
1888 | ||
2b9e344d PZ |
1889 | static inline bool event_is_checkpointed(struct perf_event *event) |
1890 | { | |
1891 | return (event->hw.config & HSW_IN_TX_CHECKPOINTED) != 0; | |
1892 | } | |
1893 | ||
ca037701 | 1894 | static void intel_pmu_disable_event(struct perf_event *event) |
f22f54f4 | 1895 | { |
aff3d91a | 1896 | struct hw_perf_event *hwc = &event->hw; |
89cbc767 | 1897 | struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); |
aff3d91a | 1898 | |
15c7ad51 | 1899 | if (unlikely(hwc->idx == INTEL_PMC_IDX_FIXED_BTS)) { |
f22f54f4 PZ |
1900 | intel_pmu_disable_bts(); |
1901 | intel_pmu_drain_bts_buffer(); | |
1902 | return; | |
1903 | } | |
1904 | ||
144d31e6 GN |
1905 | cpuc->intel_ctrl_guest_mask &= ~(1ull << hwc->idx); |
1906 | cpuc->intel_ctrl_host_mask &= ~(1ull << hwc->idx); | |
2b9e344d | 1907 | cpuc->intel_cp_status &= ~(1ull << hwc->idx); |
144d31e6 | 1908 | |
f22f54f4 | 1909 | if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) { |
aff3d91a | 1910 | intel_pmu_disable_fixed(hwc); |
f22f54f4 PZ |
1911 | return; |
1912 | } | |
1913 | ||
aff3d91a | 1914 | x86_pmu_disable_event(event); |
ca037701 | 1915 | |
ab608344 | 1916 | if (unlikely(event->attr.precise_ip)) |
ef21f683 | 1917 | intel_pmu_pebs_disable(event); |
f22f54f4 PZ |
1918 | } |
1919 | ||
68f7082f PZ |
1920 | static void intel_pmu_del_event(struct perf_event *event) |
1921 | { | |
1922 | if (needs_branch_stack(event)) | |
1923 | intel_pmu_lbr_del(event); | |
1924 | if (event->attr.precise_ip) | |
1925 | intel_pmu_pebs_del(event); | |
1926 | } | |
1927 | ||
ca037701 | 1928 | static void intel_pmu_enable_fixed(struct hw_perf_event *hwc) |
f22f54f4 | 1929 | { |
15c7ad51 | 1930 | int idx = hwc->idx - INTEL_PMC_IDX_FIXED; |
f22f54f4 | 1931 | u64 ctrl_val, bits, mask; |
f22f54f4 PZ |
1932 | |
1933 | /* | |
1934 | * Enable IRQ generation (0x8), | |
1935 | * and enable ring-3 counting (0x2) and ring-0 counting (0x1) | |
1936 | * if requested: | |
1937 | */ | |
1938 | bits = 0x8ULL; | |
1939 | if (hwc->config & ARCH_PERFMON_EVENTSEL_USR) | |
1940 | bits |= 0x2; | |
1941 | if (hwc->config & ARCH_PERFMON_EVENTSEL_OS) | |
1942 | bits |= 0x1; | |
1943 | ||
1944 | /* | |
1945 | * ANY bit is supported in v3 and up | |
1946 | */ | |
1947 | if (x86_pmu.version > 2 && hwc->config & ARCH_PERFMON_EVENTSEL_ANY) | |
1948 | bits |= 0x4; | |
1949 | ||
1950 | bits <<= (idx * 4); | |
1951 | mask = 0xfULL << (idx * 4); | |
1952 | ||
1953 | rdmsrl(hwc->config_base, ctrl_val); | |
1954 | ctrl_val &= ~mask; | |
1955 | ctrl_val |= bits; | |
7645a24c | 1956 | wrmsrl(hwc->config_base, ctrl_val); |
f22f54f4 PZ |
1957 | } |
1958 | ||
aff3d91a | 1959 | static void intel_pmu_enable_event(struct perf_event *event) |
f22f54f4 | 1960 | { |
aff3d91a | 1961 | struct hw_perf_event *hwc = &event->hw; |
89cbc767 | 1962 | struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); |
aff3d91a | 1963 | |
15c7ad51 | 1964 | if (unlikely(hwc->idx == INTEL_PMC_IDX_FIXED_BTS)) { |
0a3aee0d | 1965 | if (!__this_cpu_read(cpu_hw_events.enabled)) |
f22f54f4 PZ |
1966 | return; |
1967 | ||
1968 | intel_pmu_enable_bts(hwc->config); | |
1969 | return; | |
1970 | } | |
1971 | ||
144d31e6 GN |
1972 | if (event->attr.exclude_host) |
1973 | cpuc->intel_ctrl_guest_mask |= (1ull << hwc->idx); | |
1974 | if (event->attr.exclude_guest) | |
1975 | cpuc->intel_ctrl_host_mask |= (1ull << hwc->idx); | |
1976 | ||
2b9e344d PZ |
1977 | if (unlikely(event_is_checkpointed(event))) |
1978 | cpuc->intel_cp_status |= (1ull << hwc->idx); | |
1979 | ||
f22f54f4 | 1980 | if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) { |
aff3d91a | 1981 | intel_pmu_enable_fixed(hwc); |
f22f54f4 PZ |
1982 | return; |
1983 | } | |
1984 | ||
ab608344 | 1985 | if (unlikely(event->attr.precise_ip)) |
ef21f683 | 1986 | intel_pmu_pebs_enable(event); |
ca037701 | 1987 | |
31fa58af | 1988 | __x86_pmu_enable_event(hwc, ARCH_PERFMON_EVENTSEL_ENABLE); |
f22f54f4 PZ |
1989 | } |
1990 | ||
68f7082f PZ |
1991 | static void intel_pmu_add_event(struct perf_event *event) |
1992 | { | |
1993 | if (event->attr.precise_ip) | |
1994 | intel_pmu_pebs_add(event); | |
1995 | if (needs_branch_stack(event)) | |
1996 | intel_pmu_lbr_add(event); | |
1997 | } | |
1998 | ||
f22f54f4 PZ |
1999 | /* |
2000 | * Save and restart an expired event. Called by NMI contexts, | |
2001 | * so it has to be careful about preempting normal event ops: | |
2002 | */ | |
de0428a7 | 2003 | int intel_pmu_save_and_restart(struct perf_event *event) |
f22f54f4 | 2004 | { |
cc2ad4ba | 2005 | x86_perf_event_update(event); |
2dbf0116 AK |
2006 | /* |
2007 | * For a checkpointed counter always reset back to 0. This | |
2008 | * avoids a situation where the counter overflows, aborts the | |
2009 | * transaction and is then set back to shortly before the | |
2010 | * overflow, and overflows and aborts again. | |
2011 | */ | |
2012 | if (unlikely(event_is_checkpointed(event))) { | |
2013 | /* No race with NMIs because the counter should not be armed */ | |
2014 | wrmsrl(event->hw.event_base, 0); | |
2015 | local64_set(&event->hw.prev_count, 0); | |
2016 | } | |
cc2ad4ba | 2017 | return x86_perf_event_set_period(event); |
f22f54f4 PZ |
2018 | } |
2019 | ||
2020 | static void intel_pmu_reset(void) | |
2021 | { | |
0a3aee0d | 2022 | struct debug_store *ds = __this_cpu_read(cpu_hw_events.ds); |
f22f54f4 PZ |
2023 | unsigned long flags; |
2024 | int idx; | |
2025 | ||
948b1bb8 | 2026 | if (!x86_pmu.num_counters) |
f22f54f4 PZ |
2027 | return; |
2028 | ||
2029 | local_irq_save(flags); | |
2030 | ||
c767a54b | 2031 | pr_info("clearing PMU state on CPU#%d\n", smp_processor_id()); |
f22f54f4 | 2032 | |
948b1bb8 | 2033 | for (idx = 0; idx < x86_pmu.num_counters; idx++) { |
715c85b1 PA |
2034 | wrmsrl_safe(x86_pmu_config_addr(idx), 0ull); |
2035 | wrmsrl_safe(x86_pmu_event_addr(idx), 0ull); | |
f22f54f4 | 2036 | } |
948b1bb8 | 2037 | for (idx = 0; idx < x86_pmu.num_counters_fixed; idx++) |
715c85b1 | 2038 | wrmsrl_safe(MSR_ARCH_PERFMON_FIXED_CTR0 + idx, 0ull); |
948b1bb8 | 2039 | |
f22f54f4 PZ |
2040 | if (ds) |
2041 | ds->bts_index = ds->bts_buffer_base; | |
2042 | ||
8882edf7 AK |
2043 | /* Ack all overflows and disable fixed counters */ |
2044 | if (x86_pmu.version >= 2) { | |
2045 | intel_pmu_ack_status(intel_pmu_get_status()); | |
2046 | wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0); | |
2047 | } | |
2048 | ||
2049 | /* Reset LBRs and LBR freezing */ | |
2050 | if (x86_pmu.lbr_nr) { | |
2051 | update_debugctlmsr(get_debugctlmsr() & | |
2052 | ~(DEBUGCTLMSR_FREEZE_LBRS_ON_PMI|DEBUGCTLMSR_LBR)); | |
2053 | } | |
2054 | ||
f22f54f4 PZ |
2055 | local_irq_restore(flags); |
2056 | } | |
2057 | ||
2058 | /* | |
2059 | * This handler is triggered by the local APIC, so the APIC IRQ handling | |
2060 | * rules apply: | |
2061 | */ | |
2062 | static int intel_pmu_handle_irq(struct pt_regs *regs) | |
2063 | { | |
2064 | struct perf_sample_data data; | |
2065 | struct cpu_hw_events *cpuc; | |
2066 | int bit, loops; | |
2e556b5b | 2067 | u64 status; |
b0b2072d | 2068 | int handled; |
f22f54f4 | 2069 | |
89cbc767 | 2070 | cpuc = this_cpu_ptr(&cpu_hw_events); |
f22f54f4 | 2071 | |
2bce5dac | 2072 | /* |
72db5596 AK |
2073 | * No known reason to not always do late ACK, |
2074 | * but just in case do it opt-in. | |
2bce5dac | 2075 | */ |
72db5596 AK |
2076 | if (!x86_pmu.late_ack) |
2077 | apic_write(APIC_LVTPC, APIC_DM_NMI); | |
cecf6235 | 2078 | intel_bts_disable_local(); |
1a78d937 | 2079 | __intel_pmu_disable_all(); |
b0b2072d | 2080 | handled = intel_pmu_drain_bts_buffer(); |
8062382c | 2081 | handled += intel_bts_interrupt(); |
f22f54f4 | 2082 | status = intel_pmu_get_status(); |
a3ef2229 MM |
2083 | if (!status) |
2084 | goto done; | |
f22f54f4 PZ |
2085 | |
2086 | loops = 0; | |
2087 | again: | |
0f29e573 | 2088 | intel_pmu_lbr_read(); |
2e556b5b | 2089 | intel_pmu_ack_status(status); |
f22f54f4 | 2090 | if (++loops > 100) { |
ae0def05 DH |
2091 | static bool warned = false; |
2092 | if (!warned) { | |
2093 | WARN(1, "perfevents: irq loop stuck!\n"); | |
2094 | perf_event_print_debug(); | |
2095 | warned = true; | |
2096 | } | |
f22f54f4 | 2097 | intel_pmu_reset(); |
3fb2b8dd | 2098 | goto done; |
f22f54f4 PZ |
2099 | } |
2100 | ||
2101 | inc_irq_stat(apic_perf_irqs); | |
ca037701 | 2102 | |
caff2bef | 2103 | |
b292d7a1 | 2104 | /* |
d8020bee AK |
2105 | * Ignore a range of extra bits in status that do not indicate |
2106 | * overflow by themselves. | |
b292d7a1 | 2107 | */ |
d8020bee AK |
2108 | status &= ~(GLOBAL_STATUS_COND_CHG | |
2109 | GLOBAL_STATUS_ASIF | | |
2110 | GLOBAL_STATUS_LBRS_FROZEN); | |
2111 | if (!status) | |
2112 | goto done; | |
b292d7a1 | 2113 | |
ca037701 PZ |
2114 | /* |
2115 | * PEBS overflow sets bit 62 in the global status register | |
2116 | */ | |
de725dec PZ |
2117 | if (__test_and_clear_bit(62, (unsigned long *)&status)) { |
2118 | handled++; | |
ca037701 | 2119 | x86_pmu.drain_pebs(regs); |
8077eca0 SE |
2120 | /* |
2121 | * There are cases where, even though, the PEBS ovfl bit is set | |
2122 | * in GLOBAL_OVF_STATUS, the PEBS events may also have their | |
2123 | * overflow bits set for their counters. We must clear them | |
2124 | * here because they have been processed as exact samples in | |
2125 | * the drain_pebs() routine. They must not be processed again | |
2126 | * in the for_each_bit_set() loop for regular samples below. | |
2127 | */ | |
2128 | status &= ~cpuc->pebs_enabled; | |
2129 | status &= x86_pmu.intel_ctrl | GLOBAL_STATUS_TRACE_TOPAPMI; | |
de725dec | 2130 | } |
ca037701 | 2131 | |
52ca9ced AS |
2132 | /* |
2133 | * Intel PT | |
2134 | */ | |
2135 | if (__test_and_clear_bit(55, (unsigned long *)&status)) { | |
2136 | handled++; | |
2137 | intel_pt_interrupt(); | |
2138 | } | |
2139 | ||
2dbf0116 | 2140 | /* |
2b9e344d PZ |
2141 | * Checkpointed counters can lead to 'spurious' PMIs because the |
2142 | * rollback caused by the PMI will have cleared the overflow status | |
2143 | * bit. Therefore always force probe these counters. | |
2dbf0116 | 2144 | */ |
2b9e344d | 2145 | status |= cpuc->intel_cp_status; |
2dbf0116 | 2146 | |
984b3f57 | 2147 | for_each_set_bit(bit, (unsigned long *)&status, X86_PMC_IDX_MAX) { |
f22f54f4 PZ |
2148 | struct perf_event *event = cpuc->events[bit]; |
2149 | ||
de725dec PZ |
2150 | handled++; |
2151 | ||
f22f54f4 PZ |
2152 | if (!test_bit(bit, cpuc->active_mask)) |
2153 | continue; | |
2154 | ||
2155 | if (!intel_pmu_save_and_restart(event)) | |
2156 | continue; | |
2157 | ||
fd0d000b | 2158 | perf_sample_data_init(&data, 0, event->hw.last_period); |
f22f54f4 | 2159 | |
60ce0fbd SE |
2160 | if (has_branch_stack(event)) |
2161 | data.br_stack = &cpuc->lbr_stack; | |
2162 | ||
a8b0ca17 | 2163 | if (perf_event_overflow(event, &data, regs)) |
a4eaf7f1 | 2164 | x86_pmu_stop(event, 0); |
f22f54f4 PZ |
2165 | } |
2166 | ||
f22f54f4 PZ |
2167 | /* |
2168 | * Repeat if there is more work to be done: | |
2169 | */ | |
2170 | status = intel_pmu_get_status(); | |
2171 | if (status) | |
2172 | goto again; | |
2173 | ||
3fb2b8dd | 2174 | done: |
c3d266c8 KL |
2175 | /* Only restore PMU state when it's active. See x86_pmu_disable(). */ |
2176 | if (cpuc->enabled) | |
2177 | __intel_pmu_enable_all(0, true); | |
cecf6235 | 2178 | intel_bts_enable_local(); |
c3d266c8 | 2179 | |
72db5596 AK |
2180 | /* |
2181 | * Only unmask the NMI after the overflow counters | |
2182 | * have been reset. This avoids spurious NMIs on | |
2183 | * Haswell CPUs. | |
2184 | */ | |
2185 | if (x86_pmu.late_ack) | |
2186 | apic_write(APIC_LVTPC, APIC_DM_NMI); | |
de725dec | 2187 | return handled; |
f22f54f4 PZ |
2188 | } |
2189 | ||
f22f54f4 | 2190 | static struct event_constraint * |
ca037701 | 2191 | intel_bts_constraints(struct perf_event *event) |
f22f54f4 | 2192 | { |
ca037701 PZ |
2193 | struct hw_perf_event *hwc = &event->hw; |
2194 | unsigned int hw_event, bts_event; | |
f22f54f4 | 2195 | |
18a073a3 PZ |
2196 | if (event->attr.freq) |
2197 | return NULL; | |
2198 | ||
ca037701 PZ |
2199 | hw_event = hwc->config & INTEL_ARCH_EVENT_MASK; |
2200 | bts_event = x86_pmu.event_map(PERF_COUNT_HW_BRANCH_INSTRUCTIONS); | |
f22f54f4 | 2201 | |
ca037701 | 2202 | if (unlikely(hw_event == bts_event && hwc->sample_period == 1)) |
f22f54f4 | 2203 | return &bts_constraint; |
ca037701 | 2204 | |
f22f54f4 PZ |
2205 | return NULL; |
2206 | } | |
2207 | ||
ae3f011f | 2208 | static int intel_alt_er(int idx, u64 config) |
b79e8941 | 2209 | { |
e01d8718 PZ |
2210 | int alt_idx = idx; |
2211 | ||
9a5e3fb5 | 2212 | if (!(x86_pmu.flags & PMU_FL_HAS_RSP_1)) |
5a425294 | 2213 | return idx; |
b79e8941 | 2214 | |
5a425294 | 2215 | if (idx == EXTRA_REG_RSP_0) |
ae3f011f | 2216 | alt_idx = EXTRA_REG_RSP_1; |
5a425294 PZ |
2217 | |
2218 | if (idx == EXTRA_REG_RSP_1) | |
ae3f011f | 2219 | alt_idx = EXTRA_REG_RSP_0; |
5a425294 | 2220 | |
ae3f011f KL |
2221 | if (config & ~x86_pmu.extra_regs[alt_idx].valid_mask) |
2222 | return idx; | |
2223 | ||
2224 | return alt_idx; | |
5a425294 PZ |
2225 | } |
2226 | ||
2227 | static void intel_fixup_er(struct perf_event *event, int idx) | |
2228 | { | |
2229 | event->hw.extra_reg.idx = idx; | |
2230 | ||
2231 | if (idx == EXTRA_REG_RSP_0) { | |
b79e8941 | 2232 | event->hw.config &= ~INTEL_ARCH_EVENT_MASK; |
53ad0447 | 2233 | event->hw.config |= x86_pmu.extra_regs[EXTRA_REG_RSP_0].event; |
b79e8941 | 2234 | event->hw.extra_reg.reg = MSR_OFFCORE_RSP_0; |
5a425294 PZ |
2235 | } else if (idx == EXTRA_REG_RSP_1) { |
2236 | event->hw.config &= ~INTEL_ARCH_EVENT_MASK; | |
53ad0447 | 2237 | event->hw.config |= x86_pmu.extra_regs[EXTRA_REG_RSP_1].event; |
5a425294 | 2238 | event->hw.extra_reg.reg = MSR_OFFCORE_RSP_1; |
b79e8941 | 2239 | } |
b79e8941 PZ |
2240 | } |
2241 | ||
efc9f05d SE |
2242 | /* |
2243 | * manage allocation of shared extra msr for certain events | |
2244 | * | |
2245 | * sharing can be: | |
2246 | * per-cpu: to be shared between the various events on a single PMU | |
2247 | * per-core: per-cpu + shared by HT threads | |
2248 | */ | |
a7e3ed1e | 2249 | static struct event_constraint * |
efc9f05d | 2250 | __intel_shared_reg_get_constraints(struct cpu_hw_events *cpuc, |
b36817e8 SE |
2251 | struct perf_event *event, |
2252 | struct hw_perf_event_extra *reg) | |
a7e3ed1e | 2253 | { |
efc9f05d | 2254 | struct event_constraint *c = &emptyconstraint; |
a7e3ed1e | 2255 | struct er_account *era; |
cd8a38d3 | 2256 | unsigned long flags; |
5a425294 | 2257 | int idx = reg->idx; |
a7e3ed1e | 2258 | |
5a425294 PZ |
2259 | /* |
2260 | * reg->alloc can be set due to existing state, so for fake cpuc we | |
2261 | * need to ignore this, otherwise we might fail to allocate proper fake | |
2262 | * state for this extra reg constraint. Also see the comment below. | |
2263 | */ | |
2264 | if (reg->alloc && !cpuc->is_fake) | |
b36817e8 | 2265 | return NULL; /* call x86_get_event_constraint() */ |
a7e3ed1e | 2266 | |
b79e8941 | 2267 | again: |
5a425294 | 2268 | era = &cpuc->shared_regs->regs[idx]; |
cd8a38d3 SE |
2269 | /* |
2270 | * we use spin_lock_irqsave() to avoid lockdep issues when | |
2271 | * passing a fake cpuc | |
2272 | */ | |
2273 | raw_spin_lock_irqsave(&era->lock, flags); | |
efc9f05d SE |
2274 | |
2275 | if (!atomic_read(&era->ref) || era->config == reg->config) { | |
2276 | ||
5a425294 PZ |
2277 | /* |
2278 | * If its a fake cpuc -- as per validate_{group,event}() we | |
2279 | * shouldn't touch event state and we can avoid doing so | |
2280 | * since both will only call get_event_constraints() once | |
2281 | * on each event, this avoids the need for reg->alloc. | |
2282 | * | |
2283 | * Not doing the ER fixup will only result in era->reg being | |
2284 | * wrong, but since we won't actually try and program hardware | |
2285 | * this isn't a problem either. | |
2286 | */ | |
2287 | if (!cpuc->is_fake) { | |
2288 | if (idx != reg->idx) | |
2289 | intel_fixup_er(event, idx); | |
2290 | ||
2291 | /* | |
2292 | * x86_schedule_events() can call get_event_constraints() | |
2293 | * multiple times on events in the case of incremental | |
2294 | * scheduling(). reg->alloc ensures we only do the ER | |
2295 | * allocation once. | |
2296 | */ | |
2297 | reg->alloc = 1; | |
2298 | } | |
2299 | ||
efc9f05d SE |
2300 | /* lock in msr value */ |
2301 | era->config = reg->config; | |
2302 | era->reg = reg->reg; | |
2303 | ||
2304 | /* one more user */ | |
2305 | atomic_inc(&era->ref); | |
2306 | ||
a7e3ed1e | 2307 | /* |
b36817e8 SE |
2308 | * need to call x86_get_event_constraint() |
2309 | * to check if associated event has constraints | |
a7e3ed1e | 2310 | */ |
b36817e8 | 2311 | c = NULL; |
5a425294 | 2312 | } else { |
ae3f011f | 2313 | idx = intel_alt_er(idx, reg->config); |
5a425294 PZ |
2314 | if (idx != reg->idx) { |
2315 | raw_spin_unlock_irqrestore(&era->lock, flags); | |
2316 | goto again; | |
2317 | } | |
a7e3ed1e | 2318 | } |
cd8a38d3 | 2319 | raw_spin_unlock_irqrestore(&era->lock, flags); |
a7e3ed1e | 2320 | |
efc9f05d SE |
2321 | return c; |
2322 | } | |
2323 | ||
2324 | static void | |
2325 | __intel_shared_reg_put_constraints(struct cpu_hw_events *cpuc, | |
2326 | struct hw_perf_event_extra *reg) | |
2327 | { | |
2328 | struct er_account *era; | |
2329 | ||
2330 | /* | |
5a425294 PZ |
2331 | * Only put constraint if extra reg was actually allocated. Also takes |
2332 | * care of event which do not use an extra shared reg. | |
2333 | * | |
2334 | * Also, if this is a fake cpuc we shouldn't touch any event state | |
2335 | * (reg->alloc) and we don't care about leaving inconsistent cpuc state | |
2336 | * either since it'll be thrown out. | |
efc9f05d | 2337 | */ |
5a425294 | 2338 | if (!reg->alloc || cpuc->is_fake) |
efc9f05d SE |
2339 | return; |
2340 | ||
2341 | era = &cpuc->shared_regs->regs[reg->idx]; | |
2342 | ||
2343 | /* one fewer user */ | |
2344 | atomic_dec(&era->ref); | |
2345 | ||
2346 | /* allocate again next time */ | |
2347 | reg->alloc = 0; | |
2348 | } | |
2349 | ||
2350 | static struct event_constraint * | |
2351 | intel_shared_regs_constraints(struct cpu_hw_events *cpuc, | |
2352 | struct perf_event *event) | |
2353 | { | |
b36817e8 SE |
2354 | struct event_constraint *c = NULL, *d; |
2355 | struct hw_perf_event_extra *xreg, *breg; | |
2356 | ||
2357 | xreg = &event->hw.extra_reg; | |
2358 | if (xreg->idx != EXTRA_REG_NONE) { | |
2359 | c = __intel_shared_reg_get_constraints(cpuc, event, xreg); | |
2360 | if (c == &emptyconstraint) | |
2361 | return c; | |
2362 | } | |
2363 | breg = &event->hw.branch_reg; | |
2364 | if (breg->idx != EXTRA_REG_NONE) { | |
2365 | d = __intel_shared_reg_get_constraints(cpuc, event, breg); | |
2366 | if (d == &emptyconstraint) { | |
2367 | __intel_shared_reg_put_constraints(cpuc, xreg); | |
2368 | c = d; | |
2369 | } | |
2370 | } | |
efc9f05d | 2371 | return c; |
a7e3ed1e AK |
2372 | } |
2373 | ||
de0428a7 | 2374 | struct event_constraint * |
79cba822 SE |
2375 | x86_get_event_constraints(struct cpu_hw_events *cpuc, int idx, |
2376 | struct perf_event *event) | |
de0428a7 KW |
2377 | { |
2378 | struct event_constraint *c; | |
2379 | ||
2380 | if (x86_pmu.event_constraints) { | |
2381 | for_each_event_constraint(c, x86_pmu.event_constraints) { | |
9fac2cf3 | 2382 | if ((event->hw.config & c->cmask) == c->code) { |
9fac2cf3 | 2383 | event->hw.flags |= c->flags; |
de0428a7 | 2384 | return c; |
9fac2cf3 | 2385 | } |
de0428a7 KW |
2386 | } |
2387 | } | |
2388 | ||
2389 | return &unconstrained; | |
2390 | } | |
2391 | ||
f22f54f4 | 2392 | static struct event_constraint * |
e979121b | 2393 | __intel_get_event_constraints(struct cpu_hw_events *cpuc, int idx, |
79cba822 | 2394 | struct perf_event *event) |
f22f54f4 PZ |
2395 | { |
2396 | struct event_constraint *c; | |
2397 | ||
ca037701 PZ |
2398 | c = intel_bts_constraints(event); |
2399 | if (c) | |
2400 | return c; | |
2401 | ||
687805e4 | 2402 | c = intel_shared_regs_constraints(cpuc, event); |
f22f54f4 PZ |
2403 | if (c) |
2404 | return c; | |
2405 | ||
687805e4 | 2406 | c = intel_pebs_constraints(event); |
a7e3ed1e AK |
2407 | if (c) |
2408 | return c; | |
2409 | ||
79cba822 | 2410 | return x86_get_event_constraints(cpuc, idx, event); |
f22f54f4 PZ |
2411 | } |
2412 | ||
e979121b MD |
2413 | static void |
2414 | intel_start_scheduling(struct cpu_hw_events *cpuc) | |
2415 | { | |
2416 | struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs; | |
1c565833 | 2417 | struct intel_excl_states *xl; |
e979121b | 2418 | int tid = cpuc->excl_thread_id; |
e979121b MD |
2419 | |
2420 | /* | |
2421 | * nothing needed if in group validation mode | |
2422 | */ | |
b37609c3 | 2423 | if (cpuc->is_fake || !is_ht_workaround_enabled()) |
e979121b | 2424 | return; |
b37609c3 | 2425 | |
e979121b MD |
2426 | /* |
2427 | * no exclusion needed | |
2428 | */ | |
17186ccd | 2429 | if (WARN_ON_ONCE(!excl_cntrs)) |
e979121b MD |
2430 | return; |
2431 | ||
e979121b MD |
2432 | xl = &excl_cntrs->states[tid]; |
2433 | ||
2434 | xl->sched_started = true; | |
e979121b MD |
2435 | /* |
2436 | * lock shared state until we are done scheduling | |
2437 | * in stop_event_scheduling() | |
2438 | * makes scheduling appear as a transaction | |
2439 | */ | |
e979121b | 2440 | raw_spin_lock(&excl_cntrs->lock); |
e979121b MD |
2441 | } |
2442 | ||
0c41e756 PZ |
2443 | static void intel_commit_scheduling(struct cpu_hw_events *cpuc, int idx, int cntr) |
2444 | { | |
2445 | struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs; | |
2446 | struct event_constraint *c = cpuc->event_constraint[idx]; | |
2447 | struct intel_excl_states *xl; | |
2448 | int tid = cpuc->excl_thread_id; | |
2449 | ||
2450 | if (cpuc->is_fake || !is_ht_workaround_enabled()) | |
2451 | return; | |
2452 | ||
2453 | if (WARN_ON_ONCE(!excl_cntrs)) | |
2454 | return; | |
2455 | ||
2456 | if (!(c->flags & PERF_X86_EVENT_DYNAMIC)) | |
2457 | return; | |
2458 | ||
2459 | xl = &excl_cntrs->states[tid]; | |
2460 | ||
2461 | lockdep_assert_held(&excl_cntrs->lock); | |
2462 | ||
1fe684e3 | 2463 | if (c->flags & PERF_X86_EVENT_EXCL) |
43ef205b | 2464 | xl->state[cntr] = INTEL_EXCL_EXCLUSIVE; |
1fe684e3 | 2465 | else |
43ef205b | 2466 | xl->state[cntr] = INTEL_EXCL_SHARED; |
0c41e756 PZ |
2467 | } |
2468 | ||
e979121b MD |
2469 | static void |
2470 | intel_stop_scheduling(struct cpu_hw_events *cpuc) | |
2471 | { | |
2472 | struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs; | |
1c565833 | 2473 | struct intel_excl_states *xl; |
e979121b | 2474 | int tid = cpuc->excl_thread_id; |
e979121b MD |
2475 | |
2476 | /* | |
2477 | * nothing needed if in group validation mode | |
2478 | */ | |
b37609c3 | 2479 | if (cpuc->is_fake || !is_ht_workaround_enabled()) |
e979121b MD |
2480 | return; |
2481 | /* | |
2482 | * no exclusion needed | |
2483 | */ | |
17186ccd | 2484 | if (WARN_ON_ONCE(!excl_cntrs)) |
e979121b MD |
2485 | return; |
2486 | ||
e979121b MD |
2487 | xl = &excl_cntrs->states[tid]; |
2488 | ||
e979121b MD |
2489 | xl->sched_started = false; |
2490 | /* | |
2491 | * release shared state lock (acquired in intel_start_scheduling()) | |
2492 | */ | |
2493 | raw_spin_unlock(&excl_cntrs->lock); | |
2494 | } | |
2495 | ||
2496 | static struct event_constraint * | |
2497 | intel_get_excl_constraints(struct cpu_hw_events *cpuc, struct perf_event *event, | |
2498 | int idx, struct event_constraint *c) | |
2499 | { | |
e979121b | 2500 | struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs; |
1c565833 | 2501 | struct intel_excl_states *xlo; |
e979121b | 2502 | int tid = cpuc->excl_thread_id; |
1c565833 | 2503 | int is_excl, i; |
e979121b MD |
2504 | |
2505 | /* | |
2506 | * validating a group does not require | |
2507 | * enforcing cross-thread exclusion | |
2508 | */ | |
b37609c3 SE |
2509 | if (cpuc->is_fake || !is_ht_workaround_enabled()) |
2510 | return c; | |
2511 | ||
2512 | /* | |
2513 | * no exclusion needed | |
2514 | */ | |
17186ccd | 2515 | if (WARN_ON_ONCE(!excl_cntrs)) |
e979121b | 2516 | return c; |
e979121b | 2517 | |
e979121b MD |
2518 | /* |
2519 | * because we modify the constraint, we need | |
2520 | * to make a copy. Static constraints come | |
2521 | * from static const tables. | |
2522 | * | |
2523 | * only needed when constraint has not yet | |
2524 | * been cloned (marked dynamic) | |
2525 | */ | |
2526 | if (!(c->flags & PERF_X86_EVENT_DYNAMIC)) { | |
aaf932e8 | 2527 | struct event_constraint *cx; |
e979121b | 2528 | |
e979121b MD |
2529 | /* |
2530 | * grab pre-allocated constraint entry | |
2531 | */ | |
2532 | cx = &cpuc->constraint_list[idx]; | |
2533 | ||
2534 | /* | |
2535 | * initialize dynamic constraint | |
2536 | * with static constraint | |
2537 | */ | |
aaf932e8 | 2538 | *cx = *c; |
e979121b MD |
2539 | |
2540 | /* | |
2541 | * mark constraint as dynamic, so we | |
2542 | * can free it later on | |
2543 | */ | |
2544 | cx->flags |= PERF_X86_EVENT_DYNAMIC; | |
aaf932e8 | 2545 | c = cx; |
e979121b MD |
2546 | } |
2547 | ||
2548 | /* | |
2549 | * From here on, the constraint is dynamic. | |
2550 | * Either it was just allocated above, or it | |
2551 | * was allocated during a earlier invocation | |
2552 | * of this function | |
2553 | */ | |
2554 | ||
1c565833 PZ |
2555 | /* |
2556 | * state of sibling HT | |
2557 | */ | |
2558 | xlo = &excl_cntrs->states[tid ^ 1]; | |
2559 | ||
2560 | /* | |
2561 | * event requires exclusive counter access | |
2562 | * across HT threads | |
2563 | */ | |
2564 | is_excl = c->flags & PERF_X86_EVENT_EXCL; | |
2565 | if (is_excl && !(event->hw.flags & PERF_X86_EVENT_EXCL_ACCT)) { | |
2566 | event->hw.flags |= PERF_X86_EVENT_EXCL_ACCT; | |
2567 | if (!cpuc->n_excl++) | |
2568 | WRITE_ONCE(excl_cntrs->has_exclusive[tid], 1); | |
2569 | } | |
2570 | ||
e979121b MD |
2571 | /* |
2572 | * Modify static constraint with current dynamic | |
2573 | * state of thread | |
2574 | * | |
2575 | * EXCLUSIVE: sibling counter measuring exclusive event | |
2576 | * SHARED : sibling counter measuring non-exclusive event | |
2577 | * UNUSED : sibling counter unused | |
2578 | */ | |
aaf932e8 | 2579 | for_each_set_bit(i, c->idxmsk, X86_PMC_IDX_MAX) { |
e979121b MD |
2580 | /* |
2581 | * exclusive event in sibling counter | |
2582 | * our corresponding counter cannot be used | |
2583 | * regardless of our event | |
2584 | */ | |
1c565833 | 2585 | if (xlo->state[i] == INTEL_EXCL_EXCLUSIVE) |
aaf932e8 | 2586 | __clear_bit(i, c->idxmsk); |
e979121b MD |
2587 | /* |
2588 | * if measuring an exclusive event, sibling | |
2589 | * measuring non-exclusive, then counter cannot | |
2590 | * be used | |
2591 | */ | |
1c565833 | 2592 | if (is_excl && xlo->state[i] == INTEL_EXCL_SHARED) |
aaf932e8 | 2593 | __clear_bit(i, c->idxmsk); |
e979121b MD |
2594 | } |
2595 | ||
2596 | /* | |
2597 | * recompute actual bit weight for scheduling algorithm | |
2598 | */ | |
aaf932e8 | 2599 | c->weight = hweight64(c->idxmsk64); |
e979121b MD |
2600 | |
2601 | /* | |
2602 | * if we return an empty mask, then switch | |
2603 | * back to static empty constraint to avoid | |
2604 | * the cost of freeing later on | |
2605 | */ | |
aaf932e8 PZ |
2606 | if (c->weight == 0) |
2607 | c = &emptyconstraint; | |
e979121b | 2608 | |
aaf932e8 | 2609 | return c; |
e979121b MD |
2610 | } |
2611 | ||
2612 | static struct event_constraint * | |
2613 | intel_get_event_constraints(struct cpu_hw_events *cpuc, int idx, | |
2614 | struct perf_event *event) | |
2615 | { | |
ebfb4988 | 2616 | struct event_constraint *c1 = NULL; |
a90738c2 | 2617 | struct event_constraint *c2; |
e979121b | 2618 | |
ebfb4988 PZ |
2619 | if (idx >= 0) /* fake does < 0 */ |
2620 | c1 = cpuc->event_constraint[idx]; | |
2621 | ||
e979121b MD |
2622 | /* |
2623 | * first time only | |
2624 | * - static constraint: no change across incremental scheduling calls | |
2625 | * - dynamic constraint: handled by intel_get_excl_constraints() | |
2626 | */ | |
a90738c2 SE |
2627 | c2 = __intel_get_event_constraints(cpuc, idx, event); |
2628 | if (c1 && (c1->flags & PERF_X86_EVENT_DYNAMIC)) { | |
2629 | bitmap_copy(c1->idxmsk, c2->idxmsk, X86_PMC_IDX_MAX); | |
2630 | c1->weight = c2->weight; | |
2631 | c2 = c1; | |
2632 | } | |
e979121b MD |
2633 | |
2634 | if (cpuc->excl_cntrs) | |
a90738c2 | 2635 | return intel_get_excl_constraints(cpuc, event, idx, c2); |
e979121b | 2636 | |
a90738c2 | 2637 | return c2; |
e979121b MD |
2638 | } |
2639 | ||
2640 | static void intel_put_excl_constraints(struct cpu_hw_events *cpuc, | |
2641 | struct perf_event *event) | |
2642 | { | |
2643 | struct hw_perf_event *hwc = &event->hw; | |
2644 | struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs; | |
e979121b | 2645 | int tid = cpuc->excl_thread_id; |
1c565833 | 2646 | struct intel_excl_states *xl; |
e979121b MD |
2647 | |
2648 | /* | |
2649 | * nothing needed if in group validation mode | |
2650 | */ | |
2651 | if (cpuc->is_fake) | |
2652 | return; | |
2653 | ||
17186ccd | 2654 | if (WARN_ON_ONCE(!excl_cntrs)) |
e979121b MD |
2655 | return; |
2656 | ||
cc1790cf PZ |
2657 | if (hwc->flags & PERF_X86_EVENT_EXCL_ACCT) { |
2658 | hwc->flags &= ~PERF_X86_EVENT_EXCL_ACCT; | |
2659 | if (!--cpuc->n_excl) | |
2660 | WRITE_ONCE(excl_cntrs->has_exclusive[tid], 0); | |
2661 | } | |
e979121b MD |
2662 | |
2663 | /* | |
ba040653 PZ |
2664 | * If event was actually assigned, then mark the counter state as |
2665 | * unused now. | |
e979121b | 2666 | */ |
ba040653 PZ |
2667 | if (hwc->idx >= 0) { |
2668 | xl = &excl_cntrs->states[tid]; | |
2669 | ||
2670 | /* | |
2671 | * put_constraint may be called from x86_schedule_events() | |
2672 | * which already has the lock held so here make locking | |
2673 | * conditional. | |
2674 | */ | |
2675 | if (!xl->sched_started) | |
2676 | raw_spin_lock(&excl_cntrs->lock); | |
e979121b | 2677 | |
1c565833 | 2678 | xl->state[hwc->idx] = INTEL_EXCL_UNUSED; |
e979121b | 2679 | |
ba040653 PZ |
2680 | if (!xl->sched_started) |
2681 | raw_spin_unlock(&excl_cntrs->lock); | |
2682 | } | |
e979121b MD |
2683 | } |
2684 | ||
efc9f05d SE |
2685 | static void |
2686 | intel_put_shared_regs_event_constraints(struct cpu_hw_events *cpuc, | |
a7e3ed1e AK |
2687 | struct perf_event *event) |
2688 | { | |
efc9f05d | 2689 | struct hw_perf_event_extra *reg; |
a7e3ed1e | 2690 | |
efc9f05d SE |
2691 | reg = &event->hw.extra_reg; |
2692 | if (reg->idx != EXTRA_REG_NONE) | |
2693 | __intel_shared_reg_put_constraints(cpuc, reg); | |
b36817e8 SE |
2694 | |
2695 | reg = &event->hw.branch_reg; | |
2696 | if (reg->idx != EXTRA_REG_NONE) | |
2697 | __intel_shared_reg_put_constraints(cpuc, reg); | |
efc9f05d | 2698 | } |
a7e3ed1e | 2699 | |
efc9f05d SE |
2700 | static void intel_put_event_constraints(struct cpu_hw_events *cpuc, |
2701 | struct perf_event *event) | |
2702 | { | |
2703 | intel_put_shared_regs_event_constraints(cpuc, event); | |
e979121b MD |
2704 | |
2705 | /* | |
2706 | * is PMU has exclusive counter restrictions, then | |
2707 | * all events are subject to and must call the | |
2708 | * put_excl_constraints() routine | |
2709 | */ | |
b371b594 | 2710 | if (cpuc->excl_cntrs) |
e979121b | 2711 | intel_put_excl_constraints(cpuc, event); |
e979121b MD |
2712 | } |
2713 | ||
0780c927 | 2714 | static void intel_pebs_aliases_core2(struct perf_event *event) |
b4cdc5c2 | 2715 | { |
0780c927 | 2716 | if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) { |
7639dae0 PZ |
2717 | /* |
2718 | * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P | |
2719 | * (0x003c) so that we can use it with PEBS. | |
2720 | * | |
2721 | * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't | |
2722 | * PEBS capable. However we can use INST_RETIRED.ANY_P | |
2723 | * (0x00c0), which is a PEBS capable event, to get the same | |
2724 | * count. | |
2725 | * | |
2726 | * INST_RETIRED.ANY_P counts the number of cycles that retires | |
2727 | * CNTMASK instructions. By setting CNTMASK to a value (16) | |
2728 | * larger than the maximum number of instructions that can be | |
2729 | * retired per cycle (4) and then inverting the condition, we | |
2730 | * count all cycles that retire 16 or less instructions, which | |
2731 | * is every cycle. | |
2732 | * | |
2733 | * Thereby we gain a PEBS capable cycle counter. | |
2734 | */ | |
f9b4eeb8 PZ |
2735 | u64 alt_config = X86_CONFIG(.event=0xc0, .inv=1, .cmask=16); |
2736 | ||
0780c927 PZ |
2737 | alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK); |
2738 | event->hw.config = alt_config; | |
2739 | } | |
2740 | } | |
2741 | ||
2742 | static void intel_pebs_aliases_snb(struct perf_event *event) | |
2743 | { | |
2744 | if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) { | |
2745 | /* | |
2746 | * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P | |
2747 | * (0x003c) so that we can use it with PEBS. | |
2748 | * | |
2749 | * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't | |
2750 | * PEBS capable. However we can use UOPS_RETIRED.ALL | |
2751 | * (0x01c2), which is a PEBS capable event, to get the same | |
2752 | * count. | |
2753 | * | |
2754 | * UOPS_RETIRED.ALL counts the number of cycles that retires | |
2755 | * CNTMASK micro-ops. By setting CNTMASK to a value (16) | |
2756 | * larger than the maximum number of micro-ops that can be | |
2757 | * retired per cycle (4) and then inverting the condition, we | |
2758 | * count all cycles that retire 16 or less micro-ops, which | |
2759 | * is every cycle. | |
2760 | * | |
2761 | * Thereby we gain a PEBS capable cycle counter. | |
2762 | */ | |
2763 | u64 alt_config = X86_CONFIG(.event=0xc2, .umask=0x01, .inv=1, .cmask=16); | |
7639dae0 PZ |
2764 | |
2765 | alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK); | |
2766 | event->hw.config = alt_config; | |
2767 | } | |
0780c927 PZ |
2768 | } |
2769 | ||
72469764 AK |
2770 | static void intel_pebs_aliases_precdist(struct perf_event *event) |
2771 | { | |
2772 | if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) { | |
2773 | /* | |
2774 | * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P | |
2775 | * (0x003c) so that we can use it with PEBS. | |
2776 | * | |
2777 | * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't | |
2778 | * PEBS capable. However we can use INST_RETIRED.PREC_DIST | |
2779 | * (0x01c0), which is a PEBS capable event, to get the same | |
2780 | * count. | |
2781 | * | |
2782 | * The PREC_DIST event has special support to minimize sample | |
2783 | * shadowing effects. One drawback is that it can be | |
2784 | * only programmed on counter 1, but that seems like an | |
2785 | * acceptable trade off. | |
2786 | */ | |
2787 | u64 alt_config = X86_CONFIG(.event=0xc0, .umask=0x01, .inv=1, .cmask=16); | |
2788 | ||
2789 | alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK); | |
2790 | event->hw.config = alt_config; | |
2791 | } | |
2792 | } | |
2793 | ||
2794 | static void intel_pebs_aliases_ivb(struct perf_event *event) | |
2795 | { | |
2796 | if (event->attr.precise_ip < 3) | |
2797 | return intel_pebs_aliases_snb(event); | |
2798 | return intel_pebs_aliases_precdist(event); | |
2799 | } | |
2800 | ||
2801 | static void intel_pebs_aliases_skl(struct perf_event *event) | |
2802 | { | |
2803 | if (event->attr.precise_ip < 3) | |
2804 | return intel_pebs_aliases_core2(event); | |
2805 | return intel_pebs_aliases_precdist(event); | |
2806 | } | |
2807 | ||
a7b58d21 AK |
2808 | static unsigned long intel_pmu_free_running_flags(struct perf_event *event) |
2809 | { | |
2810 | unsigned long flags = x86_pmu.free_running_flags; | |
2811 | ||
2812 | if (event->attr.use_clockid) | |
2813 | flags &= ~PERF_SAMPLE_TIME; | |
2814 | return flags; | |
2815 | } | |
2816 | ||
0780c927 PZ |
2817 | static int intel_pmu_hw_config(struct perf_event *event) |
2818 | { | |
2819 | int ret = x86_pmu_hw_config(event); | |
2820 | ||
2821 | if (ret) | |
2822 | return ret; | |
2823 | ||
851559e3 | 2824 | if (event->attr.precise_ip) { |
3569c0d7 | 2825 | if (!event->attr.freq) { |
851559e3 | 2826 | event->hw.flags |= PERF_X86_EVENT_AUTO_RELOAD; |
a7b58d21 AK |
2827 | if (!(event->attr.sample_type & |
2828 | ~intel_pmu_free_running_flags(event))) | |
3569c0d7 YZ |
2829 | event->hw.flags |= PERF_X86_EVENT_FREERUNNING; |
2830 | } | |
851559e3 YZ |
2831 | if (x86_pmu.pebs_aliases) |
2832 | x86_pmu.pebs_aliases(event); | |
2833 | } | |
7639dae0 | 2834 | |
a46a2300 | 2835 | if (needs_branch_stack(event)) { |
60ce0fbd SE |
2836 | ret = intel_pmu_setup_lbr_filter(event); |
2837 | if (ret) | |
2838 | return ret; | |
48070342 AS |
2839 | |
2840 | /* | |
2841 | * BTS is set up earlier in this path, so don't account twice | |
2842 | */ | |
2843 | if (!intel_pmu_has_bts(event)) { | |
2844 | /* disallow lbr if conflicting events are present */ | |
2845 | if (x86_add_exclusive(x86_lbr_exclusive_lbr)) | |
2846 | return -EBUSY; | |
2847 | ||
2848 | event->destroy = hw_perf_lbr_event_destroy; | |
2849 | } | |
60ce0fbd SE |
2850 | } |
2851 | ||
b4cdc5c2 PZ |
2852 | if (event->attr.type != PERF_TYPE_RAW) |
2853 | return 0; | |
2854 | ||
2855 | if (!(event->attr.config & ARCH_PERFMON_EVENTSEL_ANY)) | |
2856 | return 0; | |
2857 | ||
2858 | if (x86_pmu.version < 3) | |
2859 | return -EINVAL; | |
2860 | ||
2861 | if (perf_paranoid_cpu() && !capable(CAP_SYS_ADMIN)) | |
2862 | return -EACCES; | |
2863 | ||
2864 | event->hw.config |= ARCH_PERFMON_EVENTSEL_ANY; | |
2865 | ||
2866 | return 0; | |
2867 | } | |
2868 | ||
144d31e6 GN |
2869 | struct perf_guest_switch_msr *perf_guest_get_msrs(int *nr) |
2870 | { | |
2871 | if (x86_pmu.guest_get_msrs) | |
2872 | return x86_pmu.guest_get_msrs(nr); | |
2873 | *nr = 0; | |
2874 | return NULL; | |
2875 | } | |
2876 | EXPORT_SYMBOL_GPL(perf_guest_get_msrs); | |
2877 | ||
2878 | static struct perf_guest_switch_msr *intel_guest_get_msrs(int *nr) | |
2879 | { | |
89cbc767 | 2880 | struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); |
144d31e6 GN |
2881 | struct perf_guest_switch_msr *arr = cpuc->guest_switch_msrs; |
2882 | ||
2883 | arr[0].msr = MSR_CORE_PERF_GLOBAL_CTRL; | |
2884 | arr[0].host = x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_guest_mask; | |
2885 | arr[0].guest = x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_host_mask; | |
26a4f3c0 GN |
2886 | /* |
2887 | * If PMU counter has PEBS enabled it is not enough to disable counter | |
2888 | * on a guest entry since PEBS memory write can overshoot guest entry | |
2889 | * and corrupt guest memory. Disabling PEBS solves the problem. | |
2890 | */ | |
2891 | arr[1].msr = MSR_IA32_PEBS_ENABLE; | |
2892 | arr[1].host = cpuc->pebs_enabled; | |
2893 | arr[1].guest = 0; | |
144d31e6 | 2894 | |
26a4f3c0 | 2895 | *nr = 2; |
144d31e6 GN |
2896 | return arr; |
2897 | } | |
2898 | ||
2899 | static struct perf_guest_switch_msr *core_guest_get_msrs(int *nr) | |
2900 | { | |
89cbc767 | 2901 | struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); |
144d31e6 GN |
2902 | struct perf_guest_switch_msr *arr = cpuc->guest_switch_msrs; |
2903 | int idx; | |
2904 | ||
2905 | for (idx = 0; idx < x86_pmu.num_counters; idx++) { | |
2906 | struct perf_event *event = cpuc->events[idx]; | |
2907 | ||
2908 | arr[idx].msr = x86_pmu_config_addr(idx); | |
2909 | arr[idx].host = arr[idx].guest = 0; | |
2910 | ||
2911 | if (!test_bit(idx, cpuc->active_mask)) | |
2912 | continue; | |
2913 | ||
2914 | arr[idx].host = arr[idx].guest = | |
2915 | event->hw.config | ARCH_PERFMON_EVENTSEL_ENABLE; | |
2916 | ||
2917 | if (event->attr.exclude_host) | |
2918 | arr[idx].host &= ~ARCH_PERFMON_EVENTSEL_ENABLE; | |
2919 | else if (event->attr.exclude_guest) | |
2920 | arr[idx].guest &= ~ARCH_PERFMON_EVENTSEL_ENABLE; | |
2921 | } | |
2922 | ||
2923 | *nr = x86_pmu.num_counters; | |
2924 | return arr; | |
2925 | } | |
2926 | ||
2927 | static void core_pmu_enable_event(struct perf_event *event) | |
2928 | { | |
2929 | if (!event->attr.exclude_host) | |
2930 | x86_pmu_enable_event(event); | |
2931 | } | |
2932 | ||
2933 | static void core_pmu_enable_all(int added) | |
2934 | { | |
89cbc767 | 2935 | struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); |
144d31e6 GN |
2936 | int idx; |
2937 | ||
2938 | for (idx = 0; idx < x86_pmu.num_counters; idx++) { | |
2939 | struct hw_perf_event *hwc = &cpuc->events[idx]->hw; | |
2940 | ||
2941 | if (!test_bit(idx, cpuc->active_mask) || | |
2942 | cpuc->events[idx]->attr.exclude_host) | |
2943 | continue; | |
2944 | ||
2945 | __x86_pmu_enable_event(hwc, ARCH_PERFMON_EVENTSEL_ENABLE); | |
2946 | } | |
2947 | } | |
2948 | ||
3a632cb2 AK |
2949 | static int hsw_hw_config(struct perf_event *event) |
2950 | { | |
2951 | int ret = intel_pmu_hw_config(event); | |
2952 | ||
2953 | if (ret) | |
2954 | return ret; | |
2955 | if (!boot_cpu_has(X86_FEATURE_RTM) && !boot_cpu_has(X86_FEATURE_HLE)) | |
2956 | return 0; | |
2957 | event->hw.config |= event->attr.config & (HSW_IN_TX|HSW_IN_TX_CHECKPOINTED); | |
2958 | ||
2959 | /* | |
2960 | * IN_TX/IN_TX-CP filters are not supported by the Haswell PMU with | |
2961 | * PEBS or in ANY thread mode. Since the results are non-sensical forbid | |
2962 | * this combination. | |
2963 | */ | |
2964 | if ((event->hw.config & (HSW_IN_TX|HSW_IN_TX_CHECKPOINTED)) && | |
2965 | ((event->hw.config & ARCH_PERFMON_EVENTSEL_ANY) || | |
2966 | event->attr.precise_ip > 0)) | |
2967 | return -EOPNOTSUPP; | |
2968 | ||
2dbf0116 AK |
2969 | if (event_is_checkpointed(event)) { |
2970 | /* | |
2971 | * Sampling of checkpointed events can cause situations where | |
2972 | * the CPU constantly aborts because of a overflow, which is | |
2973 | * then checkpointed back and ignored. Forbid checkpointing | |
2974 | * for sampling. | |
2975 | * | |
2976 | * But still allow a long sampling period, so that perf stat | |
2977 | * from KVM works. | |
2978 | */ | |
2979 | if (event->attr.sample_period > 0 && | |
2980 | event->attr.sample_period < 0x7fffffff) | |
2981 | return -EOPNOTSUPP; | |
2982 | } | |
3a632cb2 AK |
2983 | return 0; |
2984 | } | |
2985 | ||
2986 | static struct event_constraint counter2_constraint = | |
2987 | EVENT_CONSTRAINT(0, 0x4, 0); | |
2988 | ||
2989 | static struct event_constraint * | |
79cba822 SE |
2990 | hsw_get_event_constraints(struct cpu_hw_events *cpuc, int idx, |
2991 | struct perf_event *event) | |
3a632cb2 | 2992 | { |
79cba822 SE |
2993 | struct event_constraint *c; |
2994 | ||
2995 | c = intel_get_event_constraints(cpuc, idx, event); | |
3a632cb2 AK |
2996 | |
2997 | /* Handle special quirk on in_tx_checkpointed only in counter 2 */ | |
2998 | if (event->hw.config & HSW_IN_TX_CHECKPOINTED) { | |
2999 | if (c->idxmsk64 & (1U << 2)) | |
3000 | return &counter2_constraint; | |
3001 | return &emptyconstraint; | |
3002 | } | |
3003 | ||
3004 | return c; | |
3005 | } | |
3006 | ||
294fe0f5 AK |
3007 | /* |
3008 | * Broadwell: | |
3009 | * | |
3010 | * The INST_RETIRED.ALL period always needs to have lowest 6 bits cleared | |
3011 | * (BDM55) and it must not use a period smaller than 100 (BDM11). We combine | |
3012 | * the two to enforce a minimum period of 128 (the smallest value that has bits | |
3013 | * 0-5 cleared and >= 100). | |
3014 | * | |
3015 | * Because of how the code in x86_perf_event_set_period() works, the truncation | |
3016 | * of the lower 6 bits is 'harmless' as we'll occasionally add a longer period | |
3017 | * to make up for the 'lost' events due to carrying the 'error' in period_left. | |
3018 | * | |
3019 | * Therefore the effective (average) period matches the requested period, | |
3020 | * despite coarser hardware granularity. | |
3021 | */ | |
3022 | static unsigned bdw_limit_period(struct perf_event *event, unsigned left) | |
3023 | { | |
3024 | if ((event->hw.config & INTEL_ARCH_EVENT_MASK) == | |
3025 | X86_CONFIG(.event=0xc0, .umask=0x01)) { | |
3026 | if (left < 128) | |
3027 | left = 128; | |
3028 | left &= ~0x3fu; | |
3029 | } | |
3030 | return left; | |
3031 | } | |
3032 | ||
641cc938 JO |
3033 | PMU_FORMAT_ATTR(event, "config:0-7" ); |
3034 | PMU_FORMAT_ATTR(umask, "config:8-15" ); | |
3035 | PMU_FORMAT_ATTR(edge, "config:18" ); | |
3036 | PMU_FORMAT_ATTR(pc, "config:19" ); | |
3037 | PMU_FORMAT_ATTR(any, "config:21" ); /* v3 + */ | |
3038 | PMU_FORMAT_ATTR(inv, "config:23" ); | |
3039 | PMU_FORMAT_ATTR(cmask, "config:24-31" ); | |
3a632cb2 AK |
3040 | PMU_FORMAT_ATTR(in_tx, "config:32"); |
3041 | PMU_FORMAT_ATTR(in_tx_cp, "config:33"); | |
641cc938 JO |
3042 | |
3043 | static struct attribute *intel_arch_formats_attr[] = { | |
3044 | &format_attr_event.attr, | |
3045 | &format_attr_umask.attr, | |
3046 | &format_attr_edge.attr, | |
3047 | &format_attr_pc.attr, | |
3048 | &format_attr_inv.attr, | |
3049 | &format_attr_cmask.attr, | |
3050 | NULL, | |
3051 | }; | |
3052 | ||
0bf79d44 JO |
3053 | ssize_t intel_event_sysfs_show(char *page, u64 config) |
3054 | { | |
3055 | u64 event = (config & ARCH_PERFMON_EVENTSEL_EVENT); | |
3056 | ||
3057 | return x86_event_sysfs_show(page, config, event); | |
3058 | } | |
3059 | ||
de0428a7 | 3060 | struct intel_shared_regs *allocate_shared_regs(int cpu) |
efc9f05d SE |
3061 | { |
3062 | struct intel_shared_regs *regs; | |
3063 | int i; | |
3064 | ||
3065 | regs = kzalloc_node(sizeof(struct intel_shared_regs), | |
3066 | GFP_KERNEL, cpu_to_node(cpu)); | |
3067 | if (regs) { | |
3068 | /* | |
3069 | * initialize the locks to keep lockdep happy | |
3070 | */ | |
3071 | for (i = 0; i < EXTRA_REG_MAX; i++) | |
3072 | raw_spin_lock_init(®s->regs[i].lock); | |
3073 | ||
3074 | regs->core_id = -1; | |
3075 | } | |
3076 | return regs; | |
3077 | } | |
3078 | ||
6f6539ca MD |
3079 | static struct intel_excl_cntrs *allocate_excl_cntrs(int cpu) |
3080 | { | |
3081 | struct intel_excl_cntrs *c; | |
6f6539ca MD |
3082 | |
3083 | c = kzalloc_node(sizeof(struct intel_excl_cntrs), | |
3084 | GFP_KERNEL, cpu_to_node(cpu)); | |
3085 | if (c) { | |
3086 | raw_spin_lock_init(&c->lock); | |
6f6539ca MD |
3087 | c->core_id = -1; |
3088 | } | |
3089 | return c; | |
3090 | } | |
3091 | ||
a7e3ed1e AK |
3092 | static int intel_pmu_cpu_prepare(int cpu) |
3093 | { | |
3094 | struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); | |
3095 | ||
6f6539ca MD |
3096 | if (x86_pmu.extra_regs || x86_pmu.lbr_sel_map) { |
3097 | cpuc->shared_regs = allocate_shared_regs(cpu); | |
3098 | if (!cpuc->shared_regs) | |
dbc72b7a | 3099 | goto err; |
6f6539ca | 3100 | } |
69092624 | 3101 | |
6f6539ca MD |
3102 | if (x86_pmu.flags & PMU_FL_EXCL_CNTRS) { |
3103 | size_t sz = X86_PMC_IDX_MAX * sizeof(struct event_constraint); | |
3104 | ||
3105 | cpuc->constraint_list = kzalloc(sz, GFP_KERNEL); | |
3106 | if (!cpuc->constraint_list) | |
dbc72b7a | 3107 | goto err_shared_regs; |
6f6539ca MD |
3108 | |
3109 | cpuc->excl_cntrs = allocate_excl_cntrs(cpu); | |
dbc72b7a PZ |
3110 | if (!cpuc->excl_cntrs) |
3111 | goto err_constraint_list; | |
3112 | ||
6f6539ca MD |
3113 | cpuc->excl_thread_id = 0; |
3114 | } | |
a7e3ed1e | 3115 | |
95ca792c | 3116 | return 0; |
dbc72b7a PZ |
3117 | |
3118 | err_constraint_list: | |
3119 | kfree(cpuc->constraint_list); | |
3120 | cpuc->constraint_list = NULL; | |
3121 | ||
3122 | err_shared_regs: | |
3123 | kfree(cpuc->shared_regs); | |
3124 | cpuc->shared_regs = NULL; | |
3125 | ||
3126 | err: | |
95ca792c | 3127 | return -ENOMEM; |
a7e3ed1e AK |
3128 | } |
3129 | ||
74846d35 PZ |
3130 | static void intel_pmu_cpu_starting(int cpu) |
3131 | { | |
a7e3ed1e AK |
3132 | struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); |
3133 | int core_id = topology_core_id(cpu); | |
3134 | int i; | |
3135 | ||
69092624 LM |
3136 | init_debug_store_on_cpu(cpu); |
3137 | /* | |
3138 | * Deal with CPUs that don't clear their LBRs on power-up. | |
3139 | */ | |
3140 | intel_pmu_lbr_reset(); | |
3141 | ||
b36817e8 SE |
3142 | cpuc->lbr_sel = NULL; |
3143 | ||
3144 | if (!cpuc->shared_regs) | |
69092624 LM |
3145 | return; |
3146 | ||
9a5e3fb5 | 3147 | if (!(x86_pmu.flags & PMU_FL_NO_HT_SHARING)) { |
06931e62 | 3148 | for_each_cpu(i, topology_sibling_cpumask(cpu)) { |
b36817e8 | 3149 | struct intel_shared_regs *pc; |
a7e3ed1e | 3150 | |
b36817e8 SE |
3151 | pc = per_cpu(cpu_hw_events, i).shared_regs; |
3152 | if (pc && pc->core_id == core_id) { | |
8f04b853 | 3153 | cpuc->kfree_on_online[0] = cpuc->shared_regs; |
b36817e8 SE |
3154 | cpuc->shared_regs = pc; |
3155 | break; | |
3156 | } | |
a7e3ed1e | 3157 | } |
b36817e8 SE |
3158 | cpuc->shared_regs->core_id = core_id; |
3159 | cpuc->shared_regs->refcnt++; | |
a7e3ed1e AK |
3160 | } |
3161 | ||
b36817e8 SE |
3162 | if (x86_pmu.lbr_sel_map) |
3163 | cpuc->lbr_sel = &cpuc->shared_regs->regs[EXTRA_REG_LBR]; | |
6f6539ca MD |
3164 | |
3165 | if (x86_pmu.flags & PMU_FL_EXCL_CNTRS) { | |
06931e62 | 3166 | for_each_cpu(i, topology_sibling_cpumask(cpu)) { |
6f6539ca MD |
3167 | struct intel_excl_cntrs *c; |
3168 | ||
3169 | c = per_cpu(cpu_hw_events, i).excl_cntrs; | |
3170 | if (c && c->core_id == core_id) { | |
3171 | cpuc->kfree_on_online[1] = cpuc->excl_cntrs; | |
3172 | cpuc->excl_cntrs = c; | |
3173 | cpuc->excl_thread_id = 1; | |
3174 | break; | |
3175 | } | |
3176 | } | |
3177 | cpuc->excl_cntrs->core_id = core_id; | |
3178 | cpuc->excl_cntrs->refcnt++; | |
3179 | } | |
74846d35 PZ |
3180 | } |
3181 | ||
b37609c3 | 3182 | static void free_excl_cntrs(int cpu) |
74846d35 | 3183 | { |
a7e3ed1e | 3184 | struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); |
6f6539ca | 3185 | struct intel_excl_cntrs *c; |
a7e3ed1e | 3186 | |
6f6539ca MD |
3187 | c = cpuc->excl_cntrs; |
3188 | if (c) { | |
3189 | if (c->core_id == -1 || --c->refcnt == 0) | |
3190 | kfree(c); | |
3191 | cpuc->excl_cntrs = NULL; | |
3192 | kfree(cpuc->constraint_list); | |
3193 | cpuc->constraint_list = NULL; | |
3194 | } | |
b37609c3 | 3195 | } |
a7e3ed1e | 3196 | |
b37609c3 SE |
3197 | static void intel_pmu_cpu_dying(int cpu) |
3198 | { | |
3199 | struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); | |
3200 | struct intel_shared_regs *pc; | |
3201 | ||
3202 | pc = cpuc->shared_regs; | |
3203 | if (pc) { | |
3204 | if (pc->core_id == -1 || --pc->refcnt == 0) | |
3205 | kfree(pc); | |
3206 | cpuc->shared_regs = NULL; | |
e979121b MD |
3207 | } |
3208 | ||
b37609c3 SE |
3209 | free_excl_cntrs(cpu); |
3210 | ||
74846d35 PZ |
3211 | fini_debug_store_on_cpu(cpu); |
3212 | } | |
3213 | ||
9c964efa YZ |
3214 | static void intel_pmu_sched_task(struct perf_event_context *ctx, |
3215 | bool sched_in) | |
3216 | { | |
3217 | if (x86_pmu.pebs_active) | |
3218 | intel_pmu_pebs_sched_task(ctx, sched_in); | |
3219 | if (x86_pmu.lbr_nr) | |
3220 | intel_pmu_lbr_sched_task(ctx, sched_in); | |
3221 | } | |
3222 | ||
641cc938 JO |
3223 | PMU_FORMAT_ATTR(offcore_rsp, "config1:0-63"); |
3224 | ||
a63fcab4 SE |
3225 | PMU_FORMAT_ATTR(ldlat, "config1:0-15"); |
3226 | ||
d0dc8494 AK |
3227 | PMU_FORMAT_ATTR(frontend, "config1:0-23"); |
3228 | ||
641cc938 JO |
3229 | static struct attribute *intel_arch3_formats_attr[] = { |
3230 | &format_attr_event.attr, | |
3231 | &format_attr_umask.attr, | |
3232 | &format_attr_edge.attr, | |
3233 | &format_attr_pc.attr, | |
3234 | &format_attr_any.attr, | |
3235 | &format_attr_inv.attr, | |
3236 | &format_attr_cmask.attr, | |
3a632cb2 AK |
3237 | &format_attr_in_tx.attr, |
3238 | &format_attr_in_tx_cp.attr, | |
641cc938 JO |
3239 | |
3240 | &format_attr_offcore_rsp.attr, /* XXX do NHM/WSM + SNB breakout */ | |
a63fcab4 | 3241 | &format_attr_ldlat.attr, /* PEBS load latency */ |
641cc938 JO |
3242 | NULL, |
3243 | }; | |
3244 | ||
d0dc8494 AK |
3245 | static struct attribute *skl_format_attr[] = { |
3246 | &format_attr_frontend.attr, | |
3247 | NULL, | |
3248 | }; | |
3249 | ||
3b6e0421 JO |
3250 | static __initconst const struct x86_pmu core_pmu = { |
3251 | .name = "core", | |
3252 | .handle_irq = x86_pmu_handle_irq, | |
3253 | .disable_all = x86_pmu_disable_all, | |
3254 | .enable_all = core_pmu_enable_all, | |
3255 | .enable = core_pmu_enable_event, | |
3256 | .disable = x86_pmu_disable_event, | |
3257 | .hw_config = x86_pmu_hw_config, | |
3258 | .schedule_events = x86_schedule_events, | |
3259 | .eventsel = MSR_ARCH_PERFMON_EVENTSEL0, | |
3260 | .perfctr = MSR_ARCH_PERFMON_PERFCTR0, | |
3261 | .event_map = intel_pmu_event_map, | |
3262 | .max_events = ARRAY_SIZE(intel_perfmon_event_map), | |
3263 | .apic = 1, | |
a7b58d21 AK |
3264 | .free_running_flags = PEBS_FREERUNNING_FLAGS, |
3265 | ||
3b6e0421 JO |
3266 | /* |
3267 | * Intel PMCs cannot be accessed sanely above 32-bit width, | |
3268 | * so we install an artificial 1<<31 period regardless of | |
3269 | * the generic event period: | |
3270 | */ | |
3271 | .max_period = (1ULL<<31) - 1, | |
3272 | .get_event_constraints = intel_get_event_constraints, | |
3273 | .put_event_constraints = intel_put_event_constraints, | |
3274 | .event_constraints = intel_core_event_constraints, | |
3275 | .guest_get_msrs = core_guest_get_msrs, | |
3276 | .format_attrs = intel_arch_formats_attr, | |
3277 | .events_sysfs_show = intel_event_sysfs_show, | |
3278 | ||
3279 | /* | |
3280 | * Virtual (or funny metal) CPU can define x86_pmu.extra_regs | |
3281 | * together with PMU version 1 and thus be using core_pmu with | |
3282 | * shared_regs. We need following callbacks here to allocate | |
3283 | * it properly. | |
3284 | */ | |
3285 | .cpu_prepare = intel_pmu_cpu_prepare, | |
3286 | .cpu_starting = intel_pmu_cpu_starting, | |
3287 | .cpu_dying = intel_pmu_cpu_dying, | |
3288 | }; | |
3289 | ||
caaa8be3 | 3290 | static __initconst const struct x86_pmu intel_pmu = { |
f22f54f4 PZ |
3291 | .name = "Intel", |
3292 | .handle_irq = intel_pmu_handle_irq, | |
3293 | .disable_all = intel_pmu_disable_all, | |
3294 | .enable_all = intel_pmu_enable_all, | |
3295 | .enable = intel_pmu_enable_event, | |
3296 | .disable = intel_pmu_disable_event, | |
68f7082f PZ |
3297 | .add = intel_pmu_add_event, |
3298 | .del = intel_pmu_del_event, | |
b4cdc5c2 | 3299 | .hw_config = intel_pmu_hw_config, |
a072738e | 3300 | .schedule_events = x86_schedule_events, |
f22f54f4 PZ |
3301 | .eventsel = MSR_ARCH_PERFMON_EVENTSEL0, |
3302 | .perfctr = MSR_ARCH_PERFMON_PERFCTR0, | |
3303 | .event_map = intel_pmu_event_map, | |
f22f54f4 PZ |
3304 | .max_events = ARRAY_SIZE(intel_perfmon_event_map), |
3305 | .apic = 1, | |
a7b58d21 | 3306 | .free_running_flags = PEBS_FREERUNNING_FLAGS, |
f22f54f4 PZ |
3307 | /* |
3308 | * Intel PMCs cannot be accessed sanely above 32 bit width, | |
3309 | * so we install an artificial 1<<31 period regardless of | |
3310 | * the generic event period: | |
3311 | */ | |
3312 | .max_period = (1ULL << 31) - 1, | |
3f6da390 | 3313 | .get_event_constraints = intel_get_event_constraints, |
a7e3ed1e | 3314 | .put_event_constraints = intel_put_event_constraints, |
0780c927 | 3315 | .pebs_aliases = intel_pebs_aliases_core2, |
3f6da390 | 3316 | |
641cc938 | 3317 | .format_attrs = intel_arch3_formats_attr, |
0bf79d44 | 3318 | .events_sysfs_show = intel_event_sysfs_show, |
641cc938 | 3319 | |
a7e3ed1e | 3320 | .cpu_prepare = intel_pmu_cpu_prepare, |
74846d35 PZ |
3321 | .cpu_starting = intel_pmu_cpu_starting, |
3322 | .cpu_dying = intel_pmu_cpu_dying, | |
144d31e6 | 3323 | .guest_get_msrs = intel_guest_get_msrs, |
9c964efa | 3324 | .sched_task = intel_pmu_sched_task, |
f22f54f4 PZ |
3325 | }; |
3326 | ||
c1d6f42f | 3327 | static __init void intel_clovertown_quirk(void) |
3c44780b PZ |
3328 | { |
3329 | /* | |
3330 | * PEBS is unreliable due to: | |
3331 | * | |
3332 | * AJ67 - PEBS may experience CPL leaks | |
3333 | * AJ68 - PEBS PMI may be delayed by one event | |
3334 | * AJ69 - GLOBAL_STATUS[62] will only be set when DEBUGCTL[12] | |
3335 | * AJ106 - FREEZE_LBRS_ON_PMI doesn't work in combination with PEBS | |
3336 | * | |
3337 | * AJ67 could be worked around by restricting the OS/USR flags. | |
3338 | * AJ69 could be worked around by setting PMU_FREEZE_ON_PMI. | |
3339 | * | |
3340 | * AJ106 could possibly be worked around by not allowing LBR | |
3341 | * usage from PEBS, including the fixup. | |
3342 | * AJ68 could possibly be worked around by always programming | |
ec75a716 | 3343 | * a pebs_event_reset[0] value and coping with the lost events. |
3c44780b PZ |
3344 | * |
3345 | * But taken together it might just make sense to not enable PEBS on | |
3346 | * these chips. | |
3347 | */ | |
c767a54b | 3348 | pr_warn("PEBS disabled due to CPU errata\n"); |
3c44780b PZ |
3349 | x86_pmu.pebs = 0; |
3350 | x86_pmu.pebs_constraints = NULL; | |
3351 | } | |
3352 | ||
c93dc84c PZ |
3353 | static int intel_snb_pebs_broken(int cpu) |
3354 | { | |
3355 | u32 rev = UINT_MAX; /* default to broken for unknown models */ | |
3356 | ||
3357 | switch (cpu_data(cpu).x86_model) { | |
ef5f9f47 | 3358 | case INTEL_FAM6_SANDYBRIDGE: |
c93dc84c PZ |
3359 | rev = 0x28; |
3360 | break; | |
3361 | ||
ef5f9f47 | 3362 | case INTEL_FAM6_SANDYBRIDGE_X: |
c93dc84c PZ |
3363 | switch (cpu_data(cpu).x86_mask) { |
3364 | case 6: rev = 0x618; break; | |
3365 | case 7: rev = 0x70c; break; | |
3366 | } | |
3367 | } | |
3368 | ||
3369 | return (cpu_data(cpu).microcode < rev); | |
3370 | } | |
3371 | ||
3372 | static void intel_snb_check_microcode(void) | |
3373 | { | |
3374 | int pebs_broken = 0; | |
3375 | int cpu; | |
3376 | ||
3377 | get_online_cpus(); | |
3378 | for_each_online_cpu(cpu) { | |
3379 | if ((pebs_broken = intel_snb_pebs_broken(cpu))) | |
3380 | break; | |
3381 | } | |
3382 | put_online_cpus(); | |
3383 | ||
3384 | if (pebs_broken == x86_pmu.pebs_broken) | |
3385 | return; | |
3386 | ||
3387 | /* | |
3388 | * Serialized by the microcode lock.. | |
3389 | */ | |
3390 | if (x86_pmu.pebs_broken) { | |
3391 | pr_info("PEBS enabled due to microcode update\n"); | |
3392 | x86_pmu.pebs_broken = 0; | |
3393 | } else { | |
3394 | pr_info("PEBS disabled due to CPU errata, please upgrade microcode\n"); | |
3395 | x86_pmu.pebs_broken = 1; | |
3396 | } | |
3397 | } | |
3398 | ||
19fc9ddd DCC |
3399 | static bool is_lbr_from(unsigned long msr) |
3400 | { | |
3401 | unsigned long lbr_from_nr = x86_pmu.lbr_from + x86_pmu.lbr_nr; | |
3402 | ||
3403 | return x86_pmu.lbr_from <= msr && msr < lbr_from_nr; | |
3404 | } | |
3405 | ||
338b522c KL |
3406 | /* |
3407 | * Under certain circumstances, access certain MSR may cause #GP. | |
3408 | * The function tests if the input MSR can be safely accessed. | |
3409 | */ | |
3410 | static bool check_msr(unsigned long msr, u64 mask) | |
3411 | { | |
3412 | u64 val_old, val_new, val_tmp; | |
3413 | ||
3414 | /* | |
3415 | * Read the current value, change it and read it back to see if it | |
3416 | * matches, this is needed to detect certain hardware emulators | |
3417 | * (qemu/kvm) that don't trap on the MSR access and always return 0s. | |
3418 | */ | |
3419 | if (rdmsrl_safe(msr, &val_old)) | |
3420 | return false; | |
3421 | ||
3422 | /* | |
3423 | * Only change the bits which can be updated by wrmsrl. | |
3424 | */ | |
3425 | val_tmp = val_old ^ mask; | |
19fc9ddd DCC |
3426 | |
3427 | if (is_lbr_from(msr)) | |
3428 | val_tmp = lbr_from_signext_quirk_wr(val_tmp); | |
3429 | ||
338b522c KL |
3430 | if (wrmsrl_safe(msr, val_tmp) || |
3431 | rdmsrl_safe(msr, &val_new)) | |
3432 | return false; | |
3433 | ||
19fc9ddd DCC |
3434 | /* |
3435 | * Quirk only affects validation in wrmsr(), so wrmsrl()'s value | |
3436 | * should equal rdmsrl()'s even with the quirk. | |
3437 | */ | |
338b522c KL |
3438 | if (val_new != val_tmp) |
3439 | return false; | |
3440 | ||
19fc9ddd DCC |
3441 | if (is_lbr_from(msr)) |
3442 | val_old = lbr_from_signext_quirk_wr(val_old); | |
3443 | ||
338b522c KL |
3444 | /* Here it's sure that the MSR can be safely accessed. |
3445 | * Restore the old value and return. | |
3446 | */ | |
3447 | wrmsrl(msr, val_old); | |
3448 | ||
3449 | return true; | |
3450 | } | |
3451 | ||
c1d6f42f | 3452 | static __init void intel_sandybridge_quirk(void) |
6a600a8b | 3453 | { |
c93dc84c PZ |
3454 | x86_pmu.check_microcode = intel_snb_check_microcode; |
3455 | intel_snb_check_microcode(); | |
6a600a8b PZ |
3456 | } |
3457 | ||
c1d6f42f PZ |
3458 | static const struct { int id; char *name; } intel_arch_events_map[] __initconst = { |
3459 | { PERF_COUNT_HW_CPU_CYCLES, "cpu cycles" }, | |
3460 | { PERF_COUNT_HW_INSTRUCTIONS, "instructions" }, | |
3461 | { PERF_COUNT_HW_BUS_CYCLES, "bus cycles" }, | |
3462 | { PERF_COUNT_HW_CACHE_REFERENCES, "cache references" }, | |
3463 | { PERF_COUNT_HW_CACHE_MISSES, "cache misses" }, | |
3464 | { PERF_COUNT_HW_BRANCH_INSTRUCTIONS, "branch instructions" }, | |
3465 | { PERF_COUNT_HW_BRANCH_MISSES, "branch misses" }, | |
ffb871bc GN |
3466 | }; |
3467 | ||
c1d6f42f PZ |
3468 | static __init void intel_arch_events_quirk(void) |
3469 | { | |
3470 | int bit; | |
3471 | ||
3472 | /* disable event that reported as not presend by cpuid */ | |
3473 | for_each_set_bit(bit, x86_pmu.events_mask, ARRAY_SIZE(intel_arch_events_map)) { | |
3474 | intel_perfmon_event_map[intel_arch_events_map[bit].id] = 0; | |
c767a54b JP |
3475 | pr_warn("CPUID marked event: \'%s\' unavailable\n", |
3476 | intel_arch_events_map[bit].name); | |
c1d6f42f PZ |
3477 | } |
3478 | } | |
3479 | ||
3480 | static __init void intel_nehalem_quirk(void) | |
3481 | { | |
3482 | union cpuid10_ebx ebx; | |
3483 | ||
3484 | ebx.full = x86_pmu.events_maskl; | |
3485 | if (ebx.split.no_branch_misses_retired) { | |
3486 | /* | |
3487 | * Erratum AAJ80 detected, we work it around by using | |
3488 | * the BR_MISP_EXEC.ANY event. This will over-count | |
3489 | * branch-misses, but it's still much better than the | |
3490 | * architectural event which is often completely bogus: | |
3491 | */ | |
3492 | intel_perfmon_event_map[PERF_COUNT_HW_BRANCH_MISSES] = 0x7f89; | |
3493 | ebx.split.no_branch_misses_retired = 0; | |
3494 | x86_pmu.events_maskl = ebx.full; | |
c767a54b | 3495 | pr_info("CPU erratum AAJ80 worked around\n"); |
c1d6f42f PZ |
3496 | } |
3497 | } | |
3498 | ||
93fcf72c MD |
3499 | /* |
3500 | * enable software workaround for errata: | |
3501 | * SNB: BJ122 | |
3502 | * IVB: BV98 | |
3503 | * HSW: HSD29 | |
3504 | * | |
3505 | * Only needed when HT is enabled. However detecting | |
b37609c3 SE |
3506 | * if HT is enabled is difficult (model specific). So instead, |
3507 | * we enable the workaround in the early boot, and verify if | |
3508 | * it is needed in a later initcall phase once we have valid | |
3509 | * topology information to check if HT is actually enabled | |
93fcf72c MD |
3510 | */ |
3511 | static __init void intel_ht_bug(void) | |
3512 | { | |
b37609c3 | 3513 | x86_pmu.flags |= PMU_FL_EXCL_CNTRS | PMU_FL_EXCL_ENABLED; |
93fcf72c | 3514 | |
93fcf72c | 3515 | x86_pmu.start_scheduling = intel_start_scheduling; |
0c41e756 | 3516 | x86_pmu.commit_scheduling = intel_commit_scheduling; |
93fcf72c | 3517 | x86_pmu.stop_scheduling = intel_stop_scheduling; |
93fcf72c MD |
3518 | } |
3519 | ||
7f2ee91f IM |
3520 | EVENT_ATTR_STR(mem-loads, mem_ld_hsw, "event=0xcd,umask=0x1,ldlat=3"); |
3521 | EVENT_ATTR_STR(mem-stores, mem_st_hsw, "event=0xd0,umask=0x82") | |
f9134f36 | 3522 | |
4b2c4f1f | 3523 | /* Haswell special events */ |
7f2ee91f IM |
3524 | EVENT_ATTR_STR(tx-start, tx_start, "event=0xc9,umask=0x1"); |
3525 | EVENT_ATTR_STR(tx-commit, tx_commit, "event=0xc9,umask=0x2"); | |
3526 | EVENT_ATTR_STR(tx-abort, tx_abort, "event=0xc9,umask=0x4"); | |
3527 | EVENT_ATTR_STR(tx-capacity, tx_capacity, "event=0x54,umask=0x2"); | |
3528 | EVENT_ATTR_STR(tx-conflict, tx_conflict, "event=0x54,umask=0x1"); | |
3529 | EVENT_ATTR_STR(el-start, el_start, "event=0xc8,umask=0x1"); | |
3530 | EVENT_ATTR_STR(el-commit, el_commit, "event=0xc8,umask=0x2"); | |
3531 | EVENT_ATTR_STR(el-abort, el_abort, "event=0xc8,umask=0x4"); | |
3532 | EVENT_ATTR_STR(el-capacity, el_capacity, "event=0x54,umask=0x2"); | |
3533 | EVENT_ATTR_STR(el-conflict, el_conflict, "event=0x54,umask=0x1"); | |
3534 | EVENT_ATTR_STR(cycles-t, cycles_t, "event=0x3c,in_tx=1"); | |
3535 | EVENT_ATTR_STR(cycles-ct, cycles_ct, "event=0x3c,in_tx=1,in_tx_cp=1"); | |
4b2c4f1f | 3536 | |
f9134f36 | 3537 | static struct attribute *hsw_events_attrs[] = { |
4b2c4f1f AK |
3538 | EVENT_PTR(tx_start), |
3539 | EVENT_PTR(tx_commit), | |
3540 | EVENT_PTR(tx_abort), | |
3541 | EVENT_PTR(tx_capacity), | |
3542 | EVENT_PTR(tx_conflict), | |
3543 | EVENT_PTR(el_start), | |
3544 | EVENT_PTR(el_commit), | |
3545 | EVENT_PTR(el_abort), | |
3546 | EVENT_PTR(el_capacity), | |
3547 | EVENT_PTR(el_conflict), | |
3548 | EVENT_PTR(cycles_t), | |
3549 | EVENT_PTR(cycles_ct), | |
f9134f36 AK |
3550 | EVENT_PTR(mem_ld_hsw), |
3551 | EVENT_PTR(mem_st_hsw), | |
a39fcae7 AK |
3552 | EVENT_PTR(td_slots_issued), |
3553 | EVENT_PTR(td_slots_retired), | |
3554 | EVENT_PTR(td_fetch_bubbles), | |
3555 | EVENT_PTR(td_total_slots), | |
3556 | EVENT_PTR(td_total_slots_scale), | |
3557 | EVENT_PTR(td_recovery_bubbles), | |
3558 | EVENT_PTR(td_recovery_bubbles_scale), | |
f9134f36 AK |
3559 | NULL |
3560 | }; | |
3561 | ||
de0428a7 | 3562 | __init int intel_pmu_init(void) |
f22f54f4 PZ |
3563 | { |
3564 | union cpuid10_edx edx; | |
3565 | union cpuid10_eax eax; | |
ffb871bc | 3566 | union cpuid10_ebx ebx; |
a1eac7ac | 3567 | struct event_constraint *c; |
f22f54f4 | 3568 | unsigned int unused; |
338b522c KL |
3569 | struct extra_reg *er; |
3570 | int version, i; | |
f22f54f4 PZ |
3571 | |
3572 | if (!cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) { | |
a072738e CG |
3573 | switch (boot_cpu_data.x86) { |
3574 | case 0x6: | |
3575 | return p6_pmu_init(); | |
e717bf4e VW |
3576 | case 0xb: |
3577 | return knc_pmu_init(); | |
a072738e CG |
3578 | case 0xf: |
3579 | return p4_pmu_init(); | |
3580 | } | |
f22f54f4 | 3581 | return -ENODEV; |
f22f54f4 PZ |
3582 | } |
3583 | ||
3584 | /* | |
3585 | * Check whether the Architectural PerfMon supports | |
3586 | * Branch Misses Retired hw_event or not. | |
3587 | */ | |
ffb871bc GN |
3588 | cpuid(10, &eax.full, &ebx.full, &unused, &edx.full); |
3589 | if (eax.split.mask_length < ARCH_PERFMON_EVENTS_COUNT) | |
f22f54f4 PZ |
3590 | return -ENODEV; |
3591 | ||
3592 | version = eax.split.version_id; | |
3593 | if (version < 2) | |
3594 | x86_pmu = core_pmu; | |
3595 | else | |
3596 | x86_pmu = intel_pmu; | |
3597 | ||
3598 | x86_pmu.version = version; | |
948b1bb8 RR |
3599 | x86_pmu.num_counters = eax.split.num_counters; |
3600 | x86_pmu.cntval_bits = eax.split.bit_width; | |
3601 | x86_pmu.cntval_mask = (1ULL << eax.split.bit_width) - 1; | |
f22f54f4 | 3602 | |
c1d6f42f PZ |
3603 | x86_pmu.events_maskl = ebx.full; |
3604 | x86_pmu.events_mask_len = eax.split.mask_length; | |
3605 | ||
70ab7003 AK |
3606 | x86_pmu.max_pebs_events = min_t(unsigned, MAX_PEBS_EVENTS, x86_pmu.num_counters); |
3607 | ||
f22f54f4 PZ |
3608 | /* |
3609 | * Quirk: v2 perfmon does not report fixed-purpose events, so | |
f92b7604 | 3610 | * assume at least 3 events, when not running in a hypervisor: |
f22f54f4 | 3611 | */ |
f92b7604 IP |
3612 | if (version > 1) { |
3613 | int assume = 3 * !boot_cpu_has(X86_FEATURE_HYPERVISOR); | |
3614 | ||
3615 | x86_pmu.num_counters_fixed = | |
3616 | max((int)edx.split.num_counters_fixed, assume); | |
3617 | } | |
f22f54f4 | 3618 | |
c9b08884 | 3619 | if (boot_cpu_has(X86_FEATURE_PDCM)) { |
8db909a7 PZ |
3620 | u64 capabilities; |
3621 | ||
3622 | rdmsrl(MSR_IA32_PERF_CAPABILITIES, capabilities); | |
3623 | x86_pmu.intel_cap.capabilities = capabilities; | |
3624 | } | |
3625 | ||
ca037701 PZ |
3626 | intel_ds_init(); |
3627 | ||
c1d6f42f PZ |
3628 | x86_add_quirk(intel_arch_events_quirk); /* Install first, so it runs last */ |
3629 | ||
f22f54f4 PZ |
3630 | /* |
3631 | * Install the hw-cache-events table: | |
3632 | */ | |
3633 | switch (boot_cpu_data.x86_model) { | |
ef5f9f47 | 3634 | case INTEL_FAM6_CORE_YONAH: |
f22f54f4 PZ |
3635 | pr_cont("Core events, "); |
3636 | break; | |
3637 | ||
ef5f9f47 | 3638 | case INTEL_FAM6_CORE2_MEROM: |
c1d6f42f | 3639 | x86_add_quirk(intel_clovertown_quirk); |
ef5f9f47 DH |
3640 | case INTEL_FAM6_CORE2_MEROM_L: |
3641 | case INTEL_FAM6_CORE2_PENRYN: | |
3642 | case INTEL_FAM6_CORE2_DUNNINGTON: | |
f22f54f4 PZ |
3643 | memcpy(hw_cache_event_ids, core2_hw_cache_event_ids, |
3644 | sizeof(hw_cache_event_ids)); | |
3645 | ||
caff2bef PZ |
3646 | intel_pmu_lbr_init_core(); |
3647 | ||
f22f54f4 | 3648 | x86_pmu.event_constraints = intel_core2_event_constraints; |
17e31629 | 3649 | x86_pmu.pebs_constraints = intel_core2_pebs_event_constraints; |
f22f54f4 PZ |
3650 | pr_cont("Core2 events, "); |
3651 | break; | |
3652 | ||
ef5f9f47 DH |
3653 | case INTEL_FAM6_NEHALEM: |
3654 | case INTEL_FAM6_NEHALEM_EP: | |
3655 | case INTEL_FAM6_NEHALEM_EX: | |
f22f54f4 PZ |
3656 | memcpy(hw_cache_event_ids, nehalem_hw_cache_event_ids, |
3657 | sizeof(hw_cache_event_ids)); | |
e994d7d2 AK |
3658 | memcpy(hw_cache_extra_regs, nehalem_hw_cache_extra_regs, |
3659 | sizeof(hw_cache_extra_regs)); | |
f22f54f4 | 3660 | |
caff2bef PZ |
3661 | intel_pmu_lbr_init_nhm(); |
3662 | ||
f22f54f4 | 3663 | x86_pmu.event_constraints = intel_nehalem_event_constraints; |
17e31629 | 3664 | x86_pmu.pebs_constraints = intel_nehalem_pebs_event_constraints; |
11164cd4 | 3665 | x86_pmu.enable_all = intel_pmu_nhm_enable_all; |
a7e3ed1e | 3666 | x86_pmu.extra_regs = intel_nehalem_extra_regs; |
ec75a716 | 3667 | |
f20093ee SE |
3668 | x86_pmu.cpu_events = nhm_events_attrs; |
3669 | ||
91fc4cc0 | 3670 | /* UOPS_ISSUED.STALLED_CYCLES */ |
f9b4eeb8 PZ |
3671 | intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = |
3672 | X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1); | |
91fc4cc0 | 3673 | /* UOPS_EXECUTED.CORE_ACTIVE_CYCLES,c=1,i=1 */ |
f9b4eeb8 PZ |
3674 | intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = |
3675 | X86_CONFIG(.event=0xb1, .umask=0x3f, .inv=1, .cmask=1); | |
94403f88 | 3676 | |
e17dc653 | 3677 | intel_pmu_pebs_data_source_nhm(); |
c1d6f42f | 3678 | x86_add_quirk(intel_nehalem_quirk); |
ec75a716 | 3679 | |
11164cd4 | 3680 | pr_cont("Nehalem events, "); |
f22f54f4 | 3681 | break; |
caff2bef | 3682 | |
ef5f9f47 DH |
3683 | case INTEL_FAM6_ATOM_PINEVIEW: |
3684 | case INTEL_FAM6_ATOM_LINCROFT: | |
3685 | case INTEL_FAM6_ATOM_PENWELL: | |
3686 | case INTEL_FAM6_ATOM_CLOVERVIEW: | |
3687 | case INTEL_FAM6_ATOM_CEDARVIEW: | |
f22f54f4 PZ |
3688 | memcpy(hw_cache_event_ids, atom_hw_cache_event_ids, |
3689 | sizeof(hw_cache_event_ids)); | |
3690 | ||
caff2bef PZ |
3691 | intel_pmu_lbr_init_atom(); |
3692 | ||
f22f54f4 | 3693 | x86_pmu.event_constraints = intel_gen_event_constraints; |
17e31629 | 3694 | x86_pmu.pebs_constraints = intel_atom_pebs_event_constraints; |
673d188b | 3695 | x86_pmu.pebs_aliases = intel_pebs_aliases_core2; |
f22f54f4 PZ |
3696 | pr_cont("Atom events, "); |
3697 | break; | |
3698 | ||
ef5f9f47 DH |
3699 | case INTEL_FAM6_ATOM_SILVERMONT1: |
3700 | case INTEL_FAM6_ATOM_SILVERMONT2: | |
3701 | case INTEL_FAM6_ATOM_AIRMONT: | |
1fa64180 YZ |
3702 | memcpy(hw_cache_event_ids, slm_hw_cache_event_ids, |
3703 | sizeof(hw_cache_event_ids)); | |
3704 | memcpy(hw_cache_extra_regs, slm_hw_cache_extra_regs, | |
3705 | sizeof(hw_cache_extra_regs)); | |
3706 | ||
f21d5adc | 3707 | intel_pmu_lbr_init_slm(); |
1fa64180 YZ |
3708 | |
3709 | x86_pmu.event_constraints = intel_slm_event_constraints; | |
3710 | x86_pmu.pebs_constraints = intel_slm_pebs_event_constraints; | |
3711 | x86_pmu.extra_regs = intel_slm_extra_regs; | |
9a5e3fb5 | 3712 | x86_pmu.flags |= PMU_FL_HAS_RSP_1; |
eb12b8ec | 3713 | x86_pmu.cpu_events = slm_events_attrs; |
1fa64180 YZ |
3714 | pr_cont("Silvermont events, "); |
3715 | break; | |
3716 | ||
ef5f9f47 DH |
3717 | case INTEL_FAM6_ATOM_GOLDMONT: |
3718 | case INTEL_FAM6_ATOM_DENVERTON: | |
8b92c3a7 KL |
3719 | memcpy(hw_cache_event_ids, glm_hw_cache_event_ids, |
3720 | sizeof(hw_cache_event_ids)); | |
3721 | memcpy(hw_cache_extra_regs, glm_hw_cache_extra_regs, | |
3722 | sizeof(hw_cache_extra_regs)); | |
3723 | ||
3724 | intel_pmu_lbr_init_skl(); | |
3725 | ||
3726 | x86_pmu.event_constraints = intel_slm_event_constraints; | |
3727 | x86_pmu.pebs_constraints = intel_glm_pebs_event_constraints; | |
3728 | x86_pmu.extra_regs = intel_glm_extra_regs; | |
3729 | /* | |
3730 | * It's recommended to use CPU_CLK_UNHALTED.CORE_P + NPEBS | |
3731 | * for precise cycles. | |
3732 | * :pp is identical to :ppp | |
3733 | */ | |
3734 | x86_pmu.pebs_aliases = NULL; | |
3735 | x86_pmu.pebs_prec_dist = true; | |
ccbebba4 | 3736 | x86_pmu.lbr_pt_coexist = true; |
8b92c3a7 KL |
3737 | x86_pmu.flags |= PMU_FL_HAS_RSP_1; |
3738 | pr_cont("Goldmont events, "); | |
3739 | break; | |
3740 | ||
ef5f9f47 DH |
3741 | case INTEL_FAM6_WESTMERE: |
3742 | case INTEL_FAM6_WESTMERE_EP: | |
3743 | case INTEL_FAM6_WESTMERE_EX: | |
f22f54f4 PZ |
3744 | memcpy(hw_cache_event_ids, westmere_hw_cache_event_ids, |
3745 | sizeof(hw_cache_event_ids)); | |
e994d7d2 AK |
3746 | memcpy(hw_cache_extra_regs, nehalem_hw_cache_extra_regs, |
3747 | sizeof(hw_cache_extra_regs)); | |
f22f54f4 | 3748 | |
caff2bef PZ |
3749 | intel_pmu_lbr_init_nhm(); |
3750 | ||
f22f54f4 | 3751 | x86_pmu.event_constraints = intel_westmere_event_constraints; |
40b91cd1 | 3752 | x86_pmu.enable_all = intel_pmu_nhm_enable_all; |
17e31629 | 3753 | x86_pmu.pebs_constraints = intel_westmere_pebs_event_constraints; |
a7e3ed1e | 3754 | x86_pmu.extra_regs = intel_westmere_extra_regs; |
9a5e3fb5 | 3755 | x86_pmu.flags |= PMU_FL_HAS_RSP_1; |
30112039 | 3756 | |
f20093ee SE |
3757 | x86_pmu.cpu_events = nhm_events_attrs; |
3758 | ||
30112039 | 3759 | /* UOPS_ISSUED.STALLED_CYCLES */ |
f9b4eeb8 PZ |
3760 | intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = |
3761 | X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1); | |
30112039 | 3762 | /* UOPS_EXECUTED.CORE_ACTIVE_CYCLES,c=1,i=1 */ |
f9b4eeb8 PZ |
3763 | intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = |
3764 | X86_CONFIG(.event=0xb1, .umask=0x3f, .inv=1, .cmask=1); | |
30112039 | 3765 | |
e17dc653 | 3766 | intel_pmu_pebs_data_source_nhm(); |
f22f54f4 PZ |
3767 | pr_cont("Westmere events, "); |
3768 | break; | |
b622d644 | 3769 | |
ef5f9f47 DH |
3770 | case INTEL_FAM6_SANDYBRIDGE: |
3771 | case INTEL_FAM6_SANDYBRIDGE_X: | |
47a8863d | 3772 | x86_add_quirk(intel_sandybridge_quirk); |
93fcf72c | 3773 | x86_add_quirk(intel_ht_bug); |
b06b3d49 LM |
3774 | memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, |
3775 | sizeof(hw_cache_event_ids)); | |
74e6543f YZ |
3776 | memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs, |
3777 | sizeof(hw_cache_extra_regs)); | |
b06b3d49 | 3778 | |
c5cc2cd9 | 3779 | intel_pmu_lbr_init_snb(); |
b06b3d49 LM |
3780 | |
3781 | x86_pmu.event_constraints = intel_snb_event_constraints; | |
de0428a7 | 3782 | x86_pmu.pebs_constraints = intel_snb_pebs_event_constraints; |
0780c927 | 3783 | x86_pmu.pebs_aliases = intel_pebs_aliases_snb; |
ef5f9f47 | 3784 | if (boot_cpu_data.x86_model == INTEL_FAM6_SANDYBRIDGE_X) |
f1923820 SE |
3785 | x86_pmu.extra_regs = intel_snbep_extra_regs; |
3786 | else | |
3787 | x86_pmu.extra_regs = intel_snb_extra_regs; | |
93fcf72c MD |
3788 | |
3789 | ||
ee89cbc2 | 3790 | /* all extra regs are per-cpu when HT is on */ |
9a5e3fb5 SE |
3791 | x86_pmu.flags |= PMU_FL_HAS_RSP_1; |
3792 | x86_pmu.flags |= PMU_FL_NO_HT_SHARING; | |
e04d1b23 | 3793 | |
f20093ee SE |
3794 | x86_pmu.cpu_events = snb_events_attrs; |
3795 | ||
e04d1b23 | 3796 | /* UOPS_ISSUED.ANY,c=1,i=1 to count stall cycles */ |
f9b4eeb8 PZ |
3797 | intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = |
3798 | X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1); | |
e04d1b23 | 3799 | /* UOPS_DISPATCHED.THREAD,c=1,i=1 to count stall cycles*/ |
f9b4eeb8 PZ |
3800 | intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = |
3801 | X86_CONFIG(.event=0xb1, .umask=0x01, .inv=1, .cmask=1); | |
e04d1b23 | 3802 | |
b06b3d49 LM |
3803 | pr_cont("SandyBridge events, "); |
3804 | break; | |
0f7c29ce | 3805 | |
ef5f9f47 DH |
3806 | case INTEL_FAM6_IVYBRIDGE: |
3807 | case INTEL_FAM6_IVYBRIDGE_X: | |
93fcf72c | 3808 | x86_add_quirk(intel_ht_bug); |
20a36e39 SE |
3809 | memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, |
3810 | sizeof(hw_cache_event_ids)); | |
1996388e VW |
3811 | /* dTLB-load-misses on IVB is different than SNB */ |
3812 | hw_cache_event_ids[C(DTLB)][C(OP_READ)][C(RESULT_MISS)] = 0x8108; /* DTLB_LOAD_MISSES.DEMAND_LD_MISS_CAUSES_A_WALK */ | |
3813 | ||
20a36e39 SE |
3814 | memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs, |
3815 | sizeof(hw_cache_extra_regs)); | |
3816 | ||
3817 | intel_pmu_lbr_init_snb(); | |
3818 | ||
69943182 | 3819 | x86_pmu.event_constraints = intel_ivb_event_constraints; |
20a36e39 | 3820 | x86_pmu.pebs_constraints = intel_ivb_pebs_event_constraints; |
72469764 AK |
3821 | x86_pmu.pebs_aliases = intel_pebs_aliases_ivb; |
3822 | x86_pmu.pebs_prec_dist = true; | |
ef5f9f47 | 3823 | if (boot_cpu_data.x86_model == INTEL_FAM6_IVYBRIDGE_X) |
f1923820 SE |
3824 | x86_pmu.extra_regs = intel_snbep_extra_regs; |
3825 | else | |
3826 | x86_pmu.extra_regs = intel_snb_extra_regs; | |
20a36e39 | 3827 | /* all extra regs are per-cpu when HT is on */ |
9a5e3fb5 SE |
3828 | x86_pmu.flags |= PMU_FL_HAS_RSP_1; |
3829 | x86_pmu.flags |= PMU_FL_NO_HT_SHARING; | |
20a36e39 | 3830 | |
f20093ee SE |
3831 | x86_pmu.cpu_events = snb_events_attrs; |
3832 | ||
20a36e39 SE |
3833 | /* UOPS_ISSUED.ANY,c=1,i=1 to count stall cycles */ |
3834 | intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = | |
3835 | X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1); | |
3836 | ||
3837 | pr_cont("IvyBridge events, "); | |
3838 | break; | |
3839 | ||
b06b3d49 | 3840 | |
ef5f9f47 DH |
3841 | case INTEL_FAM6_HASWELL_CORE: |
3842 | case INTEL_FAM6_HASWELL_X: | |
3843 | case INTEL_FAM6_HASWELL_ULT: | |
3844 | case INTEL_FAM6_HASWELL_GT3E: | |
93fcf72c | 3845 | x86_add_quirk(intel_ht_bug); |
72db5596 | 3846 | x86_pmu.late_ack = true; |
0f1b5ca2 AK |
3847 | memcpy(hw_cache_event_ids, hsw_hw_cache_event_ids, sizeof(hw_cache_event_ids)); |
3848 | memcpy(hw_cache_extra_regs, hsw_hw_cache_extra_regs, sizeof(hw_cache_extra_regs)); | |
3a632cb2 | 3849 | |
e9d7f7cd | 3850 | intel_pmu_lbr_init_hsw(); |
3a632cb2 AK |
3851 | |
3852 | x86_pmu.event_constraints = intel_hsw_event_constraints; | |
3044318f | 3853 | x86_pmu.pebs_constraints = intel_hsw_pebs_event_constraints; |
36bbb2f2 | 3854 | x86_pmu.extra_regs = intel_snbep_extra_regs; |
72469764 AK |
3855 | x86_pmu.pebs_aliases = intel_pebs_aliases_ivb; |
3856 | x86_pmu.pebs_prec_dist = true; | |
3a632cb2 | 3857 | /* all extra regs are per-cpu when HT is on */ |
9a5e3fb5 SE |
3858 | x86_pmu.flags |= PMU_FL_HAS_RSP_1; |
3859 | x86_pmu.flags |= PMU_FL_NO_HT_SHARING; | |
3a632cb2 AK |
3860 | |
3861 | x86_pmu.hw_config = hsw_hw_config; | |
3862 | x86_pmu.get_event_constraints = hsw_get_event_constraints; | |
f9134f36 | 3863 | x86_pmu.cpu_events = hsw_events_attrs; |
b7af41a1 | 3864 | x86_pmu.lbr_double_abort = true; |
3a632cb2 AK |
3865 | pr_cont("Haswell events, "); |
3866 | break; | |
3867 | ||
ef5f9f47 DH |
3868 | case INTEL_FAM6_BROADWELL_CORE: |
3869 | case INTEL_FAM6_BROADWELL_XEON_D: | |
3870 | case INTEL_FAM6_BROADWELL_GT3E: | |
3871 | case INTEL_FAM6_BROADWELL_X: | |
91f1b705 AK |
3872 | x86_pmu.late_ack = true; |
3873 | memcpy(hw_cache_event_ids, hsw_hw_cache_event_ids, sizeof(hw_cache_event_ids)); | |
3874 | memcpy(hw_cache_extra_regs, hsw_hw_cache_extra_regs, sizeof(hw_cache_extra_regs)); | |
3875 | ||
3876 | /* L3_MISS_LOCAL_DRAM is BIT(26) in Broadwell */ | |
3877 | hw_cache_extra_regs[C(LL)][C(OP_READ)][C(RESULT_MISS)] = HSW_DEMAND_READ | | |
3878 | BDW_L3_MISS|HSW_SNOOP_DRAM; | |
3879 | hw_cache_extra_regs[C(LL)][C(OP_WRITE)][C(RESULT_MISS)] = HSW_DEMAND_WRITE|BDW_L3_MISS| | |
3880 | HSW_SNOOP_DRAM; | |
3881 | hw_cache_extra_regs[C(NODE)][C(OP_READ)][C(RESULT_ACCESS)] = HSW_DEMAND_READ| | |
3882 | BDW_L3_MISS_LOCAL|HSW_SNOOP_DRAM; | |
3883 | hw_cache_extra_regs[C(NODE)][C(OP_WRITE)][C(RESULT_ACCESS)] = HSW_DEMAND_WRITE| | |
3884 | BDW_L3_MISS_LOCAL|HSW_SNOOP_DRAM; | |
3885 | ||
78d504bc | 3886 | intel_pmu_lbr_init_hsw(); |
91f1b705 AK |
3887 | |
3888 | x86_pmu.event_constraints = intel_bdw_event_constraints; | |
b3e62463 | 3889 | x86_pmu.pebs_constraints = intel_bdw_pebs_event_constraints; |
91f1b705 | 3890 | x86_pmu.extra_regs = intel_snbep_extra_regs; |
72469764 AK |
3891 | x86_pmu.pebs_aliases = intel_pebs_aliases_ivb; |
3892 | x86_pmu.pebs_prec_dist = true; | |
91f1b705 | 3893 | /* all extra regs are per-cpu when HT is on */ |
9a5e3fb5 SE |
3894 | x86_pmu.flags |= PMU_FL_HAS_RSP_1; |
3895 | x86_pmu.flags |= PMU_FL_NO_HT_SHARING; | |
91f1b705 AK |
3896 | |
3897 | x86_pmu.hw_config = hsw_hw_config; | |
3898 | x86_pmu.get_event_constraints = hsw_get_event_constraints; | |
3899 | x86_pmu.cpu_events = hsw_events_attrs; | |
294fe0f5 | 3900 | x86_pmu.limit_period = bdw_limit_period; |
91f1b705 AK |
3901 | pr_cont("Broadwell events, "); |
3902 | break; | |
3903 | ||
ef5f9f47 | 3904 | case INTEL_FAM6_XEON_PHI_KNL: |
608284bf | 3905 | case INTEL_FAM6_XEON_PHI_KNM: |
1e7b9390 HC |
3906 | memcpy(hw_cache_event_ids, |
3907 | slm_hw_cache_event_ids, sizeof(hw_cache_event_ids)); | |
3908 | memcpy(hw_cache_extra_regs, | |
3909 | knl_hw_cache_extra_regs, sizeof(hw_cache_extra_regs)); | |
3910 | intel_pmu_lbr_init_knl(); | |
3911 | ||
3912 | x86_pmu.event_constraints = intel_slm_event_constraints; | |
3913 | x86_pmu.pebs_constraints = intel_slm_pebs_event_constraints; | |
3914 | x86_pmu.extra_regs = intel_knl_extra_regs; | |
3915 | ||
3916 | /* all extra regs are per-cpu when HT is on */ | |
3917 | x86_pmu.flags |= PMU_FL_HAS_RSP_1; | |
3918 | x86_pmu.flags |= PMU_FL_NO_HT_SHARING; | |
3919 | ||
608284bf | 3920 | pr_cont("Knights Landing/Mill events, "); |
1e7b9390 HC |
3921 | break; |
3922 | ||
ef5f9f47 DH |
3923 | case INTEL_FAM6_SKYLAKE_MOBILE: |
3924 | case INTEL_FAM6_SKYLAKE_DESKTOP: | |
3925 | case INTEL_FAM6_SKYLAKE_X: | |
3926 | case INTEL_FAM6_KABYLAKE_MOBILE: | |
3927 | case INTEL_FAM6_KABYLAKE_DESKTOP: | |
9a92e16f AK |
3928 | x86_pmu.late_ack = true; |
3929 | memcpy(hw_cache_event_ids, skl_hw_cache_event_ids, sizeof(hw_cache_event_ids)); | |
3930 | memcpy(hw_cache_extra_regs, skl_hw_cache_extra_regs, sizeof(hw_cache_extra_regs)); | |
3931 | intel_pmu_lbr_init_skl(); | |
3932 | ||
a39fcae7 AK |
3933 | /* INT_MISC.RECOVERY_CYCLES has umask 1 in Skylake */ |
3934 | event_attr_td_recovery_bubbles.event_str_noht = | |
3935 | "event=0xd,umask=0x1,cmask=1"; | |
3936 | event_attr_td_recovery_bubbles.event_str_ht = | |
3937 | "event=0xd,umask=0x1,cmask=1,any=1"; | |
3938 | ||
9a92e16f AK |
3939 | x86_pmu.event_constraints = intel_skl_event_constraints; |
3940 | x86_pmu.pebs_constraints = intel_skl_pebs_event_constraints; | |
3941 | x86_pmu.extra_regs = intel_skl_extra_regs; | |
72469764 AK |
3942 | x86_pmu.pebs_aliases = intel_pebs_aliases_skl; |
3943 | x86_pmu.pebs_prec_dist = true; | |
9a92e16f AK |
3944 | /* all extra regs are per-cpu when HT is on */ |
3945 | x86_pmu.flags |= PMU_FL_HAS_RSP_1; | |
3946 | x86_pmu.flags |= PMU_FL_NO_HT_SHARING; | |
3947 | ||
3948 | x86_pmu.hw_config = hsw_hw_config; | |
3949 | x86_pmu.get_event_constraints = hsw_get_event_constraints; | |
d0dc8494 AK |
3950 | x86_pmu.format_attrs = merge_attr(intel_arch3_formats_attr, |
3951 | skl_format_attr); | |
9a92e16f AK |
3952 | WARN_ON(!x86_pmu.format_attrs); |
3953 | x86_pmu.cpu_events = hsw_events_attrs; | |
3954 | pr_cont("Skylake events, "); | |
3955 | break; | |
3956 | ||
f22f54f4 | 3957 | default: |
0af3ac1f AK |
3958 | switch (x86_pmu.version) { |
3959 | case 1: | |
3960 | x86_pmu.event_constraints = intel_v1_event_constraints; | |
3961 | pr_cont("generic architected perfmon v1, "); | |
3962 | break; | |
3963 | default: | |
3964 | /* | |
3965 | * default constraints for v2 and up | |
3966 | */ | |
3967 | x86_pmu.event_constraints = intel_gen_event_constraints; | |
3968 | pr_cont("generic architected perfmon, "); | |
3969 | break; | |
3970 | } | |
f22f54f4 | 3971 | } |
ffb871bc | 3972 | |
a1eac7ac RR |
3973 | if (x86_pmu.num_counters > INTEL_PMC_MAX_GENERIC) { |
3974 | WARN(1, KERN_ERR "hw perf events %d > max(%d), clipping!", | |
3975 | x86_pmu.num_counters, INTEL_PMC_MAX_GENERIC); | |
3976 | x86_pmu.num_counters = INTEL_PMC_MAX_GENERIC; | |
3977 | } | |
3978 | x86_pmu.intel_ctrl = (1 << x86_pmu.num_counters) - 1; | |
3979 | ||
3980 | if (x86_pmu.num_counters_fixed > INTEL_PMC_MAX_FIXED) { | |
3981 | WARN(1, KERN_ERR "hw perf events fixed %d > max(%d), clipping!", | |
3982 | x86_pmu.num_counters_fixed, INTEL_PMC_MAX_FIXED); | |
3983 | x86_pmu.num_counters_fixed = INTEL_PMC_MAX_FIXED; | |
3984 | } | |
3985 | ||
3986 | x86_pmu.intel_ctrl |= | |
3987 | ((1LL << x86_pmu.num_counters_fixed)-1) << INTEL_PMC_IDX_FIXED; | |
3988 | ||
3989 | if (x86_pmu.event_constraints) { | |
3990 | /* | |
3991 | * event on fixed counter2 (REF_CYCLES) only works on this | |
3992 | * counter, so do not extend mask to generic counters | |
3993 | */ | |
3994 | for_each_event_constraint(c, x86_pmu.event_constraints) { | |
2c33645d PI |
3995 | if (c->cmask == FIXED_EVENT_FLAGS |
3996 | && c->idxmsk64 != INTEL_PMC_MSK_FIXED_REF_CYCLES) { | |
3997 | c->idxmsk64 |= (1ULL << x86_pmu.num_counters) - 1; | |
a1eac7ac | 3998 | } |
2c33645d | 3999 | c->idxmsk64 &= |
6d6f2833 | 4000 | ~(~0ULL << (INTEL_PMC_IDX_FIXED + x86_pmu.num_counters_fixed)); |
2c33645d | 4001 | c->weight = hweight64(c->idxmsk64); |
a1eac7ac RR |
4002 | } |
4003 | } | |
4004 | ||
338b522c KL |
4005 | /* |
4006 | * Access LBR MSR may cause #GP under certain circumstances. | |
4007 | * E.g. KVM doesn't support LBR MSR | |
4008 | * Check all LBT MSR here. | |
4009 | * Disable LBR access if any LBR MSRs can not be accessed. | |
4010 | */ | |
4011 | if (x86_pmu.lbr_nr && !check_msr(x86_pmu.lbr_tos, 0x3UL)) | |
4012 | x86_pmu.lbr_nr = 0; | |
4013 | for (i = 0; i < x86_pmu.lbr_nr; i++) { | |
4014 | if (!(check_msr(x86_pmu.lbr_from + i, 0xffffUL) && | |
4015 | check_msr(x86_pmu.lbr_to + i, 0xffffUL))) | |
4016 | x86_pmu.lbr_nr = 0; | |
4017 | } | |
4018 | ||
f09509b9 DCC |
4019 | if (x86_pmu.lbr_nr) |
4020 | pr_cont("%d-deep LBR, ", x86_pmu.lbr_nr); | |
338b522c KL |
4021 | /* |
4022 | * Access extra MSR may cause #GP under certain circumstances. | |
4023 | * E.g. KVM doesn't support offcore event | |
4024 | * Check all extra_regs here. | |
4025 | */ | |
4026 | if (x86_pmu.extra_regs) { | |
4027 | for (er = x86_pmu.extra_regs; er->msr; er++) { | |
8c4fe709 | 4028 | er->extra_msr_access = check_msr(er->msr, 0x11UL); |
338b522c KL |
4029 | /* Disable LBR select mapping */ |
4030 | if ((er->idx == EXTRA_REG_LBR) && !er->extra_msr_access) | |
4031 | x86_pmu.lbr_sel_map = NULL; | |
4032 | } | |
4033 | } | |
4034 | ||
069e0c3c AK |
4035 | /* Support full width counters using alternative MSR range */ |
4036 | if (x86_pmu.intel_cap.full_width_write) { | |
7f612a7f | 4037 | x86_pmu.max_period = x86_pmu.cntval_mask >> 1; |
069e0c3c AK |
4038 | x86_pmu.perfctr = MSR_IA32_PMC0; |
4039 | pr_cont("full-width counters, "); | |
4040 | } | |
4041 | ||
f22f54f4 PZ |
4042 | return 0; |
4043 | } | |
b37609c3 SE |
4044 | |
4045 | /* | |
4046 | * HT bug: phase 2 init | |
4047 | * Called once we have valid topology information to check | |
4048 | * whether or not HT is enabled | |
4049 | * If HT is off, then we disable the workaround | |
4050 | */ | |
4051 | static __init int fixup_ht_bug(void) | |
4052 | { | |
030ba6cd | 4053 | int c; |
b37609c3 SE |
4054 | /* |
4055 | * problem not present on this CPU model, nothing to do | |
4056 | */ | |
4057 | if (!(x86_pmu.flags & PMU_FL_EXCL_ENABLED)) | |
4058 | return 0; | |
4059 | ||
030ba6cd | 4060 | if (topology_max_smt_threads() > 1) { |
b37609c3 SE |
4061 | pr_info("PMU erratum BJ122, BV98, HSD29 worked around, HT is on\n"); |
4062 | return 0; | |
4063 | } | |
4064 | ||
ec6a9066 | 4065 | if (lockup_detector_suspend() != 0) { |
999bbe49 UO |
4066 | pr_debug("failed to disable PMU erratum BJ122, BV98, HSD29 workaround\n"); |
4067 | return 0; | |
4068 | } | |
b37609c3 SE |
4069 | |
4070 | x86_pmu.flags &= ~(PMU_FL_EXCL_CNTRS | PMU_FL_EXCL_ENABLED); | |
4071 | ||
b37609c3 | 4072 | x86_pmu.start_scheduling = NULL; |
0c41e756 | 4073 | x86_pmu.commit_scheduling = NULL; |
b37609c3 SE |
4074 | x86_pmu.stop_scheduling = NULL; |
4075 | ||
ec6a9066 | 4076 | lockup_detector_resume(); |
b37609c3 SE |
4077 | |
4078 | get_online_cpus(); | |
4079 | ||
4080 | for_each_online_cpu(c) { | |
4081 | free_excl_cntrs(c); | |
4082 | } | |
4083 | ||
4084 | put_online_cpus(); | |
4085 | pr_info("PMU erratum BJ122, BV98, HSD29 workaround disabled, HT off\n"); | |
4086 | return 0; | |
4087 | } | |
4088 | subsys_initcall(fixup_ht_bug) |