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Commit | Line | Data |
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103a8fea LB |
1 | /* |
2 | * turbostat -- show CPU frequency and C-state residency | |
3 | * on modern Intel turbo-capable processors. | |
4 | * | |
144b44b1 | 5 | * Copyright (c) 2013 Intel Corporation. |
103a8fea LB |
6 | * Len Brown <len.brown@intel.com> |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms and conditions of the GNU General Public License, | |
10 | * version 2, as published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope it will be useful, but WITHOUT | |
13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
15 | * more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License along with | |
18 | * this program; if not, write to the Free Software Foundation, Inc., | |
19 | * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
20 | */ | |
21 | ||
88c3281f | 22 | #define _GNU_SOURCE |
b731f311 | 23 | #include MSRHEADER |
95aebc44 | 24 | #include <stdarg.h> |
103a8fea | 25 | #include <stdio.h> |
b2c95d90 | 26 | #include <err.h> |
103a8fea LB |
27 | #include <unistd.h> |
28 | #include <sys/types.h> | |
29 | #include <sys/wait.h> | |
30 | #include <sys/stat.h> | |
31 | #include <sys/resource.h> | |
32 | #include <fcntl.h> | |
33 | #include <signal.h> | |
34 | #include <sys/time.h> | |
35 | #include <stdlib.h> | |
36 | #include <dirent.h> | |
37 | #include <string.h> | |
38 | #include <ctype.h> | |
88c3281f | 39 | #include <sched.h> |
2b92865e | 40 | #include <cpuid.h> |
103a8fea | 41 | |
103a8fea LB |
42 | char *proc_stat = "/proc/stat"; |
43 | unsigned int interval_sec = 5; /* set with -i interval_sec */ | |
44 | unsigned int verbose; /* set with -v */ | |
889facbe | 45 | unsigned int rapl_verbose; /* set with -R */ |
5c56be9a | 46 | unsigned int rapl_joules; /* set with -J */ |
889facbe | 47 | unsigned int thermal_verbose; /* set with -T */ |
f591c38b | 48 | unsigned int summary_only; /* set with -S */ |
3b4d5c7f | 49 | unsigned int dump_only; /* set with -s */ |
103a8fea LB |
50 | unsigned int skip_c0; |
51 | unsigned int skip_c1; | |
52 | unsigned int do_nhm_cstates; | |
53 | unsigned int do_snb_cstates; | |
ca58710f | 54 | unsigned int do_c8_c9_c10; |
144b44b1 LB |
55 | unsigned int do_slm_cstates; |
56 | unsigned int use_c1_residency_msr; | |
103a8fea | 57 | unsigned int has_aperf; |
889facbe | 58 | unsigned int has_epb; |
fc04cc67 | 59 | unsigned int units = 1000000; /* MHz etc */ |
103a8fea LB |
60 | unsigned int genuine_intel; |
61 | unsigned int has_invariant_tsc; | |
62 | unsigned int do_nehalem_platform_info; | |
63 | unsigned int do_nehalem_turbo_ratio_limit; | |
6574a5d5 | 64 | unsigned int do_ivt_turbo_ratio_limit; |
2f32edf1 LB |
65 | unsigned int extra_msr_offset32; |
66 | unsigned int extra_msr_offset64; | |
8e180f3c LB |
67 | unsigned int extra_delta_offset32; |
68 | unsigned int extra_delta_offset64; | |
1ed51011 | 69 | int do_smi; |
103a8fea LB |
70 | double bclk; |
71 | unsigned int show_pkg; | |
72 | unsigned int show_core; | |
73 | unsigned int show_cpu; | |
c98d5d94 LB |
74 | unsigned int show_pkg_only; |
75 | unsigned int show_core_only; | |
76 | char *output_buffer, *outp; | |
889facbe LB |
77 | unsigned int do_rapl; |
78 | unsigned int do_dts; | |
79 | unsigned int do_ptm; | |
80 | unsigned int tcc_activation_temp; | |
81 | unsigned int tcc_activation_temp_override; | |
82 | double rapl_power_units, rapl_energy_units, rapl_time_units; | |
83 | double rapl_joule_counter_range; | |
84 | ||
e6f9bb3c LB |
85 | #define RAPL_PKG (1 << 0) |
86 | /* 0x610 MSR_PKG_POWER_LIMIT */ | |
87 | /* 0x611 MSR_PKG_ENERGY_STATUS */ | |
88 | #define RAPL_PKG_PERF_STATUS (1 << 1) | |
89 | /* 0x613 MSR_PKG_PERF_STATUS */ | |
90 | #define RAPL_PKG_POWER_INFO (1 << 2) | |
91 | /* 0x614 MSR_PKG_POWER_INFO */ | |
92 | ||
93 | #define RAPL_DRAM (1 << 3) | |
94 | /* 0x618 MSR_DRAM_POWER_LIMIT */ | |
95 | /* 0x619 MSR_DRAM_ENERGY_STATUS */ | |
96 | /* 0x61c MSR_DRAM_POWER_INFO */ | |
97 | #define RAPL_DRAM_PERF_STATUS (1 << 4) | |
98 | /* 0x61b MSR_DRAM_PERF_STATUS */ | |
99 | ||
100 | #define RAPL_CORES (1 << 5) | |
101 | /* 0x638 MSR_PP0_POWER_LIMIT */ | |
102 | /* 0x639 MSR_PP0_ENERGY_STATUS */ | |
103 | #define RAPL_CORE_POLICY (1 << 6) | |
104 | /* 0x63a MSR_PP0_POLICY */ | |
105 | ||
106 | ||
107 | #define RAPL_GFX (1 << 7) | |
108 | /* 0x640 MSR_PP1_POWER_LIMIT */ | |
109 | /* 0x641 MSR_PP1_ENERGY_STATUS */ | |
110 | /* 0x642 MSR_PP1_POLICY */ | |
889facbe LB |
111 | #define TJMAX_DEFAULT 100 |
112 | ||
113 | #define MAX(a, b) ((a) > (b) ? (a) : (b)) | |
103a8fea LB |
114 | |
115 | int aperf_mperf_unstable; | |
116 | int backwards_count; | |
117 | char *progname; | |
103a8fea | 118 | |
c98d5d94 LB |
119 | cpu_set_t *cpu_present_set, *cpu_affinity_set; |
120 | size_t cpu_present_setsize, cpu_affinity_setsize; | |
121 | ||
122 | struct thread_data { | |
123 | unsigned long long tsc; | |
124 | unsigned long long aperf; | |
125 | unsigned long long mperf; | |
144b44b1 | 126 | unsigned long long c1; |
2f32edf1 | 127 | unsigned long long extra_msr64; |
8e180f3c LB |
128 | unsigned long long extra_delta64; |
129 | unsigned long long extra_msr32; | |
130 | unsigned long long extra_delta32; | |
1ed51011 | 131 | unsigned int smi_count; |
c98d5d94 LB |
132 | unsigned int cpu_id; |
133 | unsigned int flags; | |
134 | #define CPU_IS_FIRST_THREAD_IN_CORE 0x2 | |
135 | #define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4 | |
136 | } *thread_even, *thread_odd; | |
137 | ||
138 | struct core_data { | |
139 | unsigned long long c3; | |
140 | unsigned long long c6; | |
141 | unsigned long long c7; | |
889facbe | 142 | unsigned int core_temp_c; |
c98d5d94 LB |
143 | unsigned int core_id; |
144 | } *core_even, *core_odd; | |
145 | ||
146 | struct pkg_data { | |
147 | unsigned long long pc2; | |
148 | unsigned long long pc3; | |
149 | unsigned long long pc6; | |
150 | unsigned long long pc7; | |
ca58710f KCA |
151 | unsigned long long pc8; |
152 | unsigned long long pc9; | |
153 | unsigned long long pc10; | |
c98d5d94 | 154 | unsigned int package_id; |
889facbe LB |
155 | unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */ |
156 | unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */ | |
157 | unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */ | |
158 | unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */ | |
159 | unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */ | |
160 | unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */ | |
161 | unsigned int pkg_temp_c; | |
162 | ||
c98d5d94 LB |
163 | } *package_even, *package_odd; |
164 | ||
165 | #define ODD_COUNTERS thread_odd, core_odd, package_odd | |
166 | #define EVEN_COUNTERS thread_even, core_even, package_even | |
167 | ||
168 | #define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \ | |
169 | (thread_base + (pkg_no) * topo.num_cores_per_pkg * \ | |
170 | topo.num_threads_per_core + \ | |
171 | (core_no) * topo.num_threads_per_core + (thread_no)) | |
172 | #define GET_CORE(core_base, core_no, pkg_no) \ | |
173 | (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no)) | |
174 | #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no) | |
175 | ||
176 | struct system_summary { | |
177 | struct thread_data threads; | |
178 | struct core_data cores; | |
179 | struct pkg_data packages; | |
180 | } sum, average; | |
181 | ||
182 | ||
183 | struct topo_params { | |
184 | int num_packages; | |
185 | int num_cpus; | |
186 | int num_cores; | |
187 | int max_cpu_num; | |
188 | int num_cores_per_pkg; | |
189 | int num_threads_per_core; | |
190 | } topo; | |
191 | ||
192 | struct timeval tv_even, tv_odd, tv_delta; | |
193 | ||
194 | void setup_all_buffers(void); | |
195 | ||
196 | int cpu_is_not_present(int cpu) | |
d15cf7c1 | 197 | { |
c98d5d94 | 198 | return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set); |
d15cf7c1 | 199 | } |
88c3281f | 200 | /* |
c98d5d94 LB |
201 | * run func(thread, core, package) in topology order |
202 | * skip non-present cpus | |
88c3281f | 203 | */ |
c98d5d94 LB |
204 | |
205 | int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *), | |
206 | struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base) | |
88c3281f | 207 | { |
c98d5d94 | 208 | int retval, pkg_no, core_no, thread_no; |
d15cf7c1 | 209 | |
c98d5d94 LB |
210 | for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { |
211 | for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { | |
212 | for (thread_no = 0; thread_no < | |
213 | topo.num_threads_per_core; ++thread_no) { | |
214 | struct thread_data *t; | |
215 | struct core_data *c; | |
216 | struct pkg_data *p; | |
88c3281f | 217 | |
c98d5d94 LB |
218 | t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); |
219 | ||
220 | if (cpu_is_not_present(t->cpu_id)) | |
221 | continue; | |
222 | ||
223 | c = GET_CORE(core_base, core_no, pkg_no); | |
224 | p = GET_PKG(pkg_base, pkg_no); | |
225 | ||
226 | retval = func(t, c, p); | |
227 | if (retval) | |
228 | return retval; | |
229 | } | |
230 | } | |
231 | } | |
232 | return 0; | |
88c3281f LB |
233 | } |
234 | ||
235 | int cpu_migrate(int cpu) | |
236 | { | |
c98d5d94 LB |
237 | CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); |
238 | CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set); | |
239 | if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1) | |
88c3281f LB |
240 | return -1; |
241 | else | |
242 | return 0; | |
243 | } | |
244 | ||
15aaa346 | 245 | int get_msr(int cpu, off_t offset, unsigned long long *msr) |
103a8fea LB |
246 | { |
247 | ssize_t retval; | |
103a8fea LB |
248 | char pathname[32]; |
249 | int fd; | |
250 | ||
251 | sprintf(pathname, "/dev/cpu/%d/msr", cpu); | |
252 | fd = open(pathname, O_RDONLY); | |
15aaa346 LB |
253 | if (fd < 0) |
254 | return -1; | |
103a8fea | 255 | |
15aaa346 | 256 | retval = pread(fd, msr, sizeof *msr, offset); |
103a8fea | 257 | close(fd); |
15aaa346 | 258 | |
d91bb17c | 259 | if (retval != sizeof *msr) { |
2e9c6bc7 | 260 | fprintf(stderr, "%s offset 0x%llx read failed\n", pathname, (unsigned long long)offset); |
15aaa346 | 261 | return -1; |
d91bb17c | 262 | } |
15aaa346 LB |
263 | |
264 | return 0; | |
103a8fea LB |
265 | } |
266 | ||
fc04cc67 LB |
267 | /* |
268 | * Example Format w/ field column widths: | |
269 | * | |
e7c95ff3 LB |
270 | * Package Core CPU Avg_MHz Bzy_MHz TSC_MHz SMI %Busy CPU_%c1 CPU_%c3 CPU_%c6 CPU_%c7 CoreTmp PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt |
271 | * 123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678 | |
fc04cc67 LB |
272 | */ |
273 | ||
a829eb4d | 274 | void print_header(void) |
103a8fea LB |
275 | { |
276 | if (show_pkg) | |
e7c95ff3 | 277 | outp += sprintf(outp, " Package"); |
103a8fea | 278 | if (show_core) |
e7c95ff3 | 279 | outp += sprintf(outp, " Core"); |
103a8fea | 280 | if (show_cpu) |
e7c95ff3 | 281 | outp += sprintf(outp, " CPU"); |
fc04cc67 | 282 | if (has_aperf) |
e7c95ff3 | 283 | outp += sprintf(outp, " Avg_MHz"); |
103a8fea | 284 | if (do_nhm_cstates) |
e7c95ff3 | 285 | outp += sprintf(outp, " %%Busy"); |
103a8fea | 286 | if (has_aperf) |
e7c95ff3 LB |
287 | outp += sprintf(outp, " Bzy_MHz"); |
288 | outp += sprintf(outp, " TSC_MHz"); | |
1ed51011 | 289 | if (do_smi) |
e7c95ff3 | 290 | outp += sprintf(outp, " SMI"); |
8e180f3c | 291 | if (extra_delta_offset32) |
e7c95ff3 | 292 | outp += sprintf(outp, " count 0x%03X", extra_delta_offset32); |
8e180f3c | 293 | if (extra_delta_offset64) |
e7c95ff3 | 294 | outp += sprintf(outp, " COUNT 0x%03X", extra_delta_offset64); |
2f32edf1 | 295 | if (extra_msr_offset32) |
e7c95ff3 | 296 | outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset32); |
2f32edf1 | 297 | if (extra_msr_offset64) |
e7c95ff3 | 298 | outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64); |
103a8fea | 299 | if (do_nhm_cstates) |
e7c95ff3 | 300 | outp += sprintf(outp, " CPU%%c1"); |
144b44b1 | 301 | if (do_nhm_cstates && !do_slm_cstates) |
e7c95ff3 | 302 | outp += sprintf(outp, " CPU%%c3"); |
103a8fea | 303 | if (do_nhm_cstates) |
e7c95ff3 | 304 | outp += sprintf(outp, " CPU%%c6"); |
103a8fea | 305 | if (do_snb_cstates) |
e7c95ff3 | 306 | outp += sprintf(outp, " CPU%%c7"); |
889facbe LB |
307 | |
308 | if (do_dts) | |
e7c95ff3 | 309 | outp += sprintf(outp, " CoreTmp"); |
889facbe | 310 | if (do_ptm) |
e7c95ff3 | 311 | outp += sprintf(outp, " PkgTmp"); |
889facbe | 312 | |
103a8fea | 313 | if (do_snb_cstates) |
e7c95ff3 | 314 | outp += sprintf(outp, " Pkg%%pc2"); |
144b44b1 | 315 | if (do_nhm_cstates && !do_slm_cstates) |
e7c95ff3 | 316 | outp += sprintf(outp, " Pkg%%pc3"); |
144b44b1 | 317 | if (do_nhm_cstates && !do_slm_cstates) |
e7c95ff3 | 318 | outp += sprintf(outp, " Pkg%%pc6"); |
103a8fea | 319 | if (do_snb_cstates) |
e7c95ff3 | 320 | outp += sprintf(outp, " Pkg%%pc7"); |
ca58710f | 321 | if (do_c8_c9_c10) { |
e7c95ff3 LB |
322 | outp += sprintf(outp, " Pkg%%pc8"); |
323 | outp += sprintf(outp, " Pkg%%pc9"); | |
324 | outp += sprintf(outp, " Pk%%pc10"); | |
ca58710f | 325 | } |
103a8fea | 326 | |
5c56be9a DB |
327 | if (do_rapl && !rapl_joules) { |
328 | if (do_rapl & RAPL_PKG) | |
e7c95ff3 | 329 | outp += sprintf(outp, " PkgWatt"); |
5c56be9a | 330 | if (do_rapl & RAPL_CORES) |
e7c95ff3 | 331 | outp += sprintf(outp, " CorWatt"); |
5c56be9a | 332 | if (do_rapl & RAPL_GFX) |
e7c95ff3 | 333 | outp += sprintf(outp, " GFXWatt"); |
5c56be9a | 334 | if (do_rapl & RAPL_DRAM) |
e7c95ff3 | 335 | outp += sprintf(outp, " RAMWatt"); |
5c56be9a | 336 | if (do_rapl & RAPL_PKG_PERF_STATUS) |
e7c95ff3 | 337 | outp += sprintf(outp, " PKG_%%"); |
5c56be9a | 338 | if (do_rapl & RAPL_DRAM_PERF_STATUS) |
e7c95ff3 | 339 | outp += sprintf(outp, " RAM_%%"); |
5c56be9a DB |
340 | } else { |
341 | if (do_rapl & RAPL_PKG) | |
e7c95ff3 | 342 | outp += sprintf(outp, " Pkg_J"); |
5c56be9a | 343 | if (do_rapl & RAPL_CORES) |
e7c95ff3 | 344 | outp += sprintf(outp, " Cor_J"); |
5c56be9a | 345 | if (do_rapl & RAPL_GFX) |
e7c95ff3 | 346 | outp += sprintf(outp, " GFX_J"); |
5c56be9a | 347 | if (do_rapl & RAPL_DRAM) |
e7c95ff3 | 348 | outp += sprintf(outp, " RAM_W"); |
5c56be9a | 349 | if (do_rapl & RAPL_PKG_PERF_STATUS) |
e7c95ff3 | 350 | outp += sprintf(outp, " PKG_%%"); |
5c56be9a | 351 | if (do_rapl & RAPL_DRAM_PERF_STATUS) |
e7c95ff3 LB |
352 | outp += sprintf(outp, " RAM_%%"); |
353 | outp += sprintf(outp, " time"); | |
889facbe | 354 | |
5c56be9a | 355 | } |
c98d5d94 | 356 | outp += sprintf(outp, "\n"); |
103a8fea LB |
357 | } |
358 | ||
c98d5d94 LB |
359 | int dump_counters(struct thread_data *t, struct core_data *c, |
360 | struct pkg_data *p) | |
103a8fea | 361 | { |
3b4d5c7f | 362 | outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p); |
c98d5d94 LB |
363 | |
364 | if (t) { | |
3b4d5c7f AS |
365 | outp += sprintf(outp, "CPU: %d flags 0x%x\n", |
366 | t->cpu_id, t->flags); | |
367 | outp += sprintf(outp, "TSC: %016llX\n", t->tsc); | |
368 | outp += sprintf(outp, "aperf: %016llX\n", t->aperf); | |
369 | outp += sprintf(outp, "mperf: %016llX\n", t->mperf); | |
370 | outp += sprintf(outp, "c1: %016llX\n", t->c1); | |
371 | outp += sprintf(outp, "msr0x%x: %08llX\n", | |
8e180f3c | 372 | extra_delta_offset32, t->extra_delta32); |
3b4d5c7f | 373 | outp += sprintf(outp, "msr0x%x: %016llX\n", |
8e180f3c | 374 | extra_delta_offset64, t->extra_delta64); |
3b4d5c7f | 375 | outp += sprintf(outp, "msr0x%x: %08llX\n", |
2f32edf1 | 376 | extra_msr_offset32, t->extra_msr32); |
3b4d5c7f | 377 | outp += sprintf(outp, "msr0x%x: %016llX\n", |
2f32edf1 | 378 | extra_msr_offset64, t->extra_msr64); |
1ed51011 | 379 | if (do_smi) |
3b4d5c7f | 380 | outp += sprintf(outp, "SMI: %08X\n", t->smi_count); |
c98d5d94 | 381 | } |
103a8fea | 382 | |
c98d5d94 | 383 | if (c) { |
3b4d5c7f AS |
384 | outp += sprintf(outp, "core: %d\n", c->core_id); |
385 | outp += sprintf(outp, "c3: %016llX\n", c->c3); | |
386 | outp += sprintf(outp, "c6: %016llX\n", c->c6); | |
387 | outp += sprintf(outp, "c7: %016llX\n", c->c7); | |
388 | outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c); | |
c98d5d94 | 389 | } |
103a8fea | 390 | |
c98d5d94 | 391 | if (p) { |
3b4d5c7f AS |
392 | outp += sprintf(outp, "package: %d\n", p->package_id); |
393 | outp += sprintf(outp, "pc2: %016llX\n", p->pc2); | |
394 | outp += sprintf(outp, "pc3: %016llX\n", p->pc3); | |
395 | outp += sprintf(outp, "pc6: %016llX\n", p->pc6); | |
396 | outp += sprintf(outp, "pc7: %016llX\n", p->pc7); | |
397 | outp += sprintf(outp, "pc8: %016llX\n", p->pc8); | |
398 | outp += sprintf(outp, "pc9: %016llX\n", p->pc9); | |
399 | outp += sprintf(outp, "pc10: %016llX\n", p->pc10); | |
400 | outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg); | |
401 | outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores); | |
402 | outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx); | |
403 | outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram); | |
404 | outp += sprintf(outp, "Throttle PKG: %0X\n", | |
405 | p->rapl_pkg_perf_status); | |
406 | outp += sprintf(outp, "Throttle RAM: %0X\n", | |
407 | p->rapl_dram_perf_status); | |
408 | outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c); | |
c98d5d94 | 409 | } |
3b4d5c7f AS |
410 | |
411 | outp += sprintf(outp, "\n"); | |
412 | ||
c98d5d94 | 413 | return 0; |
103a8fea LB |
414 | } |
415 | ||
e23da037 LB |
416 | /* |
417 | * column formatting convention & formats | |
e23da037 | 418 | */ |
c98d5d94 LB |
419 | int format_counters(struct thread_data *t, struct core_data *c, |
420 | struct pkg_data *p) | |
103a8fea LB |
421 | { |
422 | double interval_float; | |
fc04cc67 | 423 | char *fmt8; |
103a8fea | 424 | |
c98d5d94 LB |
425 | /* if showing only 1st thread in core and this isn't one, bail out */ |
426 | if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) | |
427 | return 0; | |
428 | ||
429 | /* if showing only 1st thread in pkg and this isn't one, bail out */ | |
430 | if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) | |
431 | return 0; | |
432 | ||
103a8fea LB |
433 | interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0; |
434 | ||
c98d5d94 LB |
435 | /* topo columns, print blanks on 1st (average) line */ |
436 | if (t == &average.threads) { | |
103a8fea | 437 | if (show_pkg) |
fc04cc67 | 438 | outp += sprintf(outp, " -"); |
103a8fea | 439 | if (show_core) |
fc04cc67 | 440 | outp += sprintf(outp, " -"); |
103a8fea | 441 | if (show_cpu) |
fc04cc67 | 442 | outp += sprintf(outp, " -"); |
103a8fea | 443 | } else { |
c98d5d94 LB |
444 | if (show_pkg) { |
445 | if (p) | |
fc04cc67 | 446 | outp += sprintf(outp, "%8d", p->package_id); |
c98d5d94 | 447 | else |
fc04cc67 | 448 | outp += sprintf(outp, " -"); |
c98d5d94 | 449 | } |
c98d5d94 LB |
450 | if (show_core) { |
451 | if (c) | |
fc04cc67 | 452 | outp += sprintf(outp, "%8d", c->core_id); |
c98d5d94 | 453 | else |
fc04cc67 | 454 | outp += sprintf(outp, " -"); |
c98d5d94 | 455 | } |
103a8fea | 456 | if (show_cpu) |
fc04cc67 | 457 | outp += sprintf(outp, "%8d", t->cpu_id); |
103a8fea | 458 | } |
fc04cc67 LB |
459 | |
460 | /* AvgMHz */ | |
461 | if (has_aperf) | |
462 | outp += sprintf(outp, "%8.0f", | |
463 | 1.0 / units * t->aperf / interval_float); | |
464 | ||
103a8fea LB |
465 | /* %c0 */ |
466 | if (do_nhm_cstates) { | |
467 | if (!skip_c0) | |
fc04cc67 | 468 | outp += sprintf(outp, "%8.2f", 100.0 * t->mperf/t->tsc); |
103a8fea | 469 | else |
fc04cc67 | 470 | outp += sprintf(outp, "********"); |
103a8fea LB |
471 | } |
472 | ||
fc04cc67 LB |
473 | /* BzyMHz */ |
474 | if (has_aperf) | |
475 | outp += sprintf(outp, "%8.0f", | |
476 | 1.0 * t->tsc / units * t->aperf / t->mperf / interval_float); | |
103a8fea LB |
477 | |
478 | /* TSC */ | |
fc04cc67 | 479 | outp += sprintf(outp, "%8.0f", 1.0 * t->tsc/units/interval_float); |
103a8fea | 480 | |
1ed51011 LB |
481 | /* SMI */ |
482 | if (do_smi) | |
fc04cc67 | 483 | outp += sprintf(outp, "%8d", t->smi_count); |
1ed51011 | 484 | |
8e180f3c LB |
485 | /* delta */ |
486 | if (extra_delta_offset32) | |
487 | outp += sprintf(outp, " %11llu", t->extra_delta32); | |
488 | ||
489 | /* DELTA */ | |
490 | if (extra_delta_offset64) | |
491 | outp += sprintf(outp, " %11llu", t->extra_delta64); | |
2f32edf1 LB |
492 | /* msr */ |
493 | if (extra_msr_offset32) | |
8e180f3c | 494 | outp += sprintf(outp, " 0x%08llx", t->extra_msr32); |
2f32edf1 | 495 | |
130ff304 | 496 | /* MSR */ |
2f32edf1 LB |
497 | if (extra_msr_offset64) |
498 | outp += sprintf(outp, " 0x%016llx", t->extra_msr64); | |
130ff304 | 499 | |
103a8fea LB |
500 | if (do_nhm_cstates) { |
501 | if (!skip_c1) | |
fc04cc67 | 502 | outp += sprintf(outp, "%8.2f", 100.0 * t->c1/t->tsc); |
103a8fea | 503 | else |
fc04cc67 | 504 | outp += sprintf(outp, "********"); |
103a8fea | 505 | } |
c98d5d94 LB |
506 | |
507 | /* print per-core data only for 1st thread in core */ | |
508 | if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) | |
509 | goto done; | |
510 | ||
144b44b1 | 511 | if (do_nhm_cstates && !do_slm_cstates) |
fc04cc67 | 512 | outp += sprintf(outp, "%8.2f", 100.0 * c->c3/t->tsc); |
103a8fea | 513 | if (do_nhm_cstates) |
fc04cc67 | 514 | outp += sprintf(outp, "%8.2f", 100.0 * c->c6/t->tsc); |
103a8fea | 515 | if (do_snb_cstates) |
fc04cc67 | 516 | outp += sprintf(outp, "%8.2f", 100.0 * c->c7/t->tsc); |
c98d5d94 | 517 | |
889facbe | 518 | if (do_dts) |
fc04cc67 | 519 | outp += sprintf(outp, "%8d", c->core_temp_c); |
889facbe | 520 | |
c98d5d94 LB |
521 | /* print per-package data only for 1st core in package */ |
522 | if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) | |
523 | goto done; | |
524 | ||
889facbe | 525 | if (do_ptm) |
fc04cc67 | 526 | outp += sprintf(outp, "%8d", p->pkg_temp_c); |
889facbe | 527 | |
103a8fea | 528 | if (do_snb_cstates) |
fc04cc67 | 529 | outp += sprintf(outp, "%8.2f", 100.0 * p->pc2/t->tsc); |
144b44b1 | 530 | if (do_nhm_cstates && !do_slm_cstates) |
fc04cc67 | 531 | outp += sprintf(outp, "%8.2f", 100.0 * p->pc3/t->tsc); |
144b44b1 | 532 | if (do_nhm_cstates && !do_slm_cstates) |
fc04cc67 | 533 | outp += sprintf(outp, "%8.2f", 100.0 * p->pc6/t->tsc); |
103a8fea | 534 | if (do_snb_cstates) |
fc04cc67 | 535 | outp += sprintf(outp, "%8.2f", 100.0 * p->pc7/t->tsc); |
ca58710f | 536 | if (do_c8_c9_c10) { |
fc04cc67 LB |
537 | outp += sprintf(outp, "%8.2f", 100.0 * p->pc8/t->tsc); |
538 | outp += sprintf(outp, "%8.2f", 100.0 * p->pc9/t->tsc); | |
539 | outp += sprintf(outp, "%8.2f", 100.0 * p->pc10/t->tsc); | |
ca58710f | 540 | } |
889facbe LB |
541 | |
542 | /* | |
543 | * If measurement interval exceeds minimum RAPL Joule Counter range, | |
544 | * indicate that results are suspect by printing "**" in fraction place. | |
545 | */ | |
fc04cc67 LB |
546 | if (interval_float < rapl_joule_counter_range) |
547 | fmt8 = "%8.2f"; | |
548 | else | |
549 | fmt8 = " %6.0f**"; | |
889facbe | 550 | |
5c56be9a DB |
551 | if (do_rapl && !rapl_joules) { |
552 | if (do_rapl & RAPL_PKG) | |
fc04cc67 | 553 | outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units / interval_float); |
5c56be9a | 554 | if (do_rapl & RAPL_CORES) |
fc04cc67 | 555 | outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units / interval_float); |
5c56be9a | 556 | if (do_rapl & RAPL_GFX) |
fc04cc67 | 557 | outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units / interval_float); |
5c56be9a | 558 | if (do_rapl & RAPL_DRAM) |
fc04cc67 | 559 | outp += sprintf(outp, fmt8, p->energy_dram * rapl_energy_units / interval_float); |
5c56be9a | 560 | if (do_rapl & RAPL_PKG_PERF_STATUS) |
fc04cc67 | 561 | outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); |
5c56be9a | 562 | if (do_rapl & RAPL_DRAM_PERF_STATUS) |
fc04cc67 | 563 | outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); |
5c56be9a DB |
564 | } else { |
565 | if (do_rapl & RAPL_PKG) | |
fc04cc67 | 566 | outp += sprintf(outp, fmt8, |
5c56be9a DB |
567 | p->energy_pkg * rapl_energy_units); |
568 | if (do_rapl & RAPL_CORES) | |
fc04cc67 | 569 | outp += sprintf(outp, fmt8, |
5c56be9a DB |
570 | p->energy_cores * rapl_energy_units); |
571 | if (do_rapl & RAPL_GFX) | |
fc04cc67 | 572 | outp += sprintf(outp, fmt8, |
5c56be9a DB |
573 | p->energy_gfx * rapl_energy_units); |
574 | if (do_rapl & RAPL_DRAM) | |
fc04cc67 | 575 | outp += sprintf(outp, fmt8, |
5c56be9a DB |
576 | p->energy_dram * rapl_energy_units); |
577 | if (do_rapl & RAPL_PKG_PERF_STATUS) | |
fc04cc67 | 578 | outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); |
5c56be9a | 579 | if (do_rapl & RAPL_DRAM_PERF_STATUS) |
fc04cc67 LB |
580 | outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); |
581 | outp += sprintf(outp, fmt8, interval_float); | |
889facbe | 582 | |
5c56be9a | 583 | } |
c98d5d94 | 584 | done: |
c98d5d94 LB |
585 | outp += sprintf(outp, "\n"); |
586 | ||
587 | return 0; | |
103a8fea LB |
588 | } |
589 | ||
c98d5d94 LB |
590 | void flush_stdout() |
591 | { | |
592 | fputs(output_buffer, stdout); | |
ddac0d68 | 593 | fflush(stdout); |
c98d5d94 LB |
594 | outp = output_buffer; |
595 | } | |
596 | void flush_stderr() | |
597 | { | |
598 | fputs(output_buffer, stderr); | |
599 | outp = output_buffer; | |
600 | } | |
601 | void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) | |
103a8fea | 602 | { |
e23da037 | 603 | static int printed; |
103a8fea | 604 | |
e23da037 LB |
605 | if (!printed || !summary_only) |
606 | print_header(); | |
103a8fea | 607 | |
c98d5d94 LB |
608 | if (topo.num_cpus > 1) |
609 | format_counters(&average.threads, &average.cores, | |
610 | &average.packages); | |
103a8fea | 611 | |
e23da037 LB |
612 | printed = 1; |
613 | ||
614 | if (summary_only) | |
615 | return; | |
616 | ||
c98d5d94 | 617 | for_all_cpus(format_counters, t, c, p); |
103a8fea LB |
618 | } |
619 | ||
889facbe LB |
620 | #define DELTA_WRAP32(new, old) \ |
621 | if (new > old) { \ | |
622 | old = new - old; \ | |
623 | } else { \ | |
624 | old = 0x100000000 + new - old; \ | |
625 | } | |
626 | ||
c98d5d94 LB |
627 | void |
628 | delta_package(struct pkg_data *new, struct pkg_data *old) | |
629 | { | |
630 | old->pc2 = new->pc2 - old->pc2; | |
631 | old->pc3 = new->pc3 - old->pc3; | |
632 | old->pc6 = new->pc6 - old->pc6; | |
633 | old->pc7 = new->pc7 - old->pc7; | |
ca58710f KCA |
634 | old->pc8 = new->pc8 - old->pc8; |
635 | old->pc9 = new->pc9 - old->pc9; | |
636 | old->pc10 = new->pc10 - old->pc10; | |
889facbe LB |
637 | old->pkg_temp_c = new->pkg_temp_c; |
638 | ||
639 | DELTA_WRAP32(new->energy_pkg, old->energy_pkg); | |
640 | DELTA_WRAP32(new->energy_cores, old->energy_cores); | |
641 | DELTA_WRAP32(new->energy_gfx, old->energy_gfx); | |
642 | DELTA_WRAP32(new->energy_dram, old->energy_dram); | |
643 | DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status); | |
644 | DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status); | |
c98d5d94 | 645 | } |
103a8fea | 646 | |
c98d5d94 LB |
647 | void |
648 | delta_core(struct core_data *new, struct core_data *old) | |
103a8fea | 649 | { |
c98d5d94 LB |
650 | old->c3 = new->c3 - old->c3; |
651 | old->c6 = new->c6 - old->c6; | |
652 | old->c7 = new->c7 - old->c7; | |
889facbe | 653 | old->core_temp_c = new->core_temp_c; |
c98d5d94 | 654 | } |
103a8fea | 655 | |
c3ae331d LB |
656 | /* |
657 | * old = new - old | |
658 | */ | |
c98d5d94 LB |
659 | void |
660 | delta_thread(struct thread_data *new, struct thread_data *old, | |
661 | struct core_data *core_delta) | |
662 | { | |
663 | old->tsc = new->tsc - old->tsc; | |
664 | ||
665 | /* check for TSC < 1 Mcycles over interval */ | |
b2c95d90 JT |
666 | if (old->tsc < (1000 * 1000)) |
667 | errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n" | |
668 | "You can disable all c-states by booting with \"idle=poll\"\n" | |
669 | "or just the deep ones with \"processor.max_cstate=1\""); | |
103a8fea | 670 | |
c98d5d94 | 671 | old->c1 = new->c1 - old->c1; |
103a8fea | 672 | |
c98d5d94 LB |
673 | if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) { |
674 | old->aperf = new->aperf - old->aperf; | |
675 | old->mperf = new->mperf - old->mperf; | |
676 | } else { | |
103a8fea | 677 | |
c98d5d94 LB |
678 | if (!aperf_mperf_unstable) { |
679 | fprintf(stderr, "%s: APERF or MPERF went backwards *\n", progname); | |
680 | fprintf(stderr, "* Frequency results do not cover entire interval *\n"); | |
681 | fprintf(stderr, "* fix this by running Linux-2.6.30 or later *\n"); | |
103a8fea | 682 | |
c98d5d94 | 683 | aperf_mperf_unstable = 1; |
103a8fea | 684 | } |
103a8fea | 685 | /* |
c98d5d94 LB |
686 | * mperf delta is likely a huge "positive" number |
687 | * can not use it for calculating c0 time | |
103a8fea | 688 | */ |
c98d5d94 LB |
689 | skip_c0 = 1; |
690 | skip_c1 = 1; | |
691 | } | |
103a8fea | 692 | |
103a8fea | 693 | |
144b44b1 LB |
694 | if (use_c1_residency_msr) { |
695 | /* | |
696 | * Some models have a dedicated C1 residency MSR, | |
697 | * which should be more accurate than the derivation below. | |
698 | */ | |
699 | } else { | |
700 | /* | |
701 | * As counter collection is not atomic, | |
702 | * it is possible for mperf's non-halted cycles + idle states | |
703 | * to exceed TSC's all cycles: show c1 = 0% in that case. | |
704 | */ | |
705 | if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc) | |
706 | old->c1 = 0; | |
707 | else { | |
708 | /* normal case, derive c1 */ | |
709 | old->c1 = old->tsc - old->mperf - core_delta->c3 | |
c98d5d94 | 710 | - core_delta->c6 - core_delta->c7; |
144b44b1 | 711 | } |
c98d5d94 | 712 | } |
c3ae331d | 713 | |
c98d5d94 | 714 | if (old->mperf == 0) { |
c3ae331d | 715 | if (verbose > 1) fprintf(stderr, "cpu%d MPERF 0!\n", old->cpu_id); |
c98d5d94 | 716 | old->mperf = 1; /* divide by 0 protection */ |
103a8fea | 717 | } |
c98d5d94 | 718 | |
8e180f3c LB |
719 | old->extra_delta32 = new->extra_delta32 - old->extra_delta32; |
720 | old->extra_delta32 &= 0xFFFFFFFF; | |
721 | ||
722 | old->extra_delta64 = new->extra_delta64 - old->extra_delta64; | |
723 | ||
c98d5d94 | 724 | /* |
8e180f3c | 725 | * Extra MSR is just a snapshot, simply copy latest w/o subtracting |
c98d5d94 | 726 | */ |
2f32edf1 LB |
727 | old->extra_msr32 = new->extra_msr32; |
728 | old->extra_msr64 = new->extra_msr64; | |
1ed51011 LB |
729 | |
730 | if (do_smi) | |
731 | old->smi_count = new->smi_count - old->smi_count; | |
c98d5d94 LB |
732 | } |
733 | ||
734 | int delta_cpu(struct thread_data *t, struct core_data *c, | |
735 | struct pkg_data *p, struct thread_data *t2, | |
736 | struct core_data *c2, struct pkg_data *p2) | |
737 | { | |
738 | /* calculate core delta only for 1st thread in core */ | |
739 | if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE) | |
740 | delta_core(c, c2); | |
741 | ||
742 | /* always calculate thread delta */ | |
743 | delta_thread(t, t2, c2); /* c2 is core delta */ | |
744 | ||
745 | /* calculate package delta only for 1st core in package */ | |
746 | if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE) | |
747 | delta_package(p, p2); | |
748 | ||
103a8fea LB |
749 | return 0; |
750 | } | |
751 | ||
c98d5d94 LB |
752 | void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) |
753 | { | |
754 | t->tsc = 0; | |
755 | t->aperf = 0; | |
756 | t->mperf = 0; | |
757 | t->c1 = 0; | |
758 | ||
1ed51011 | 759 | t->smi_count = 0; |
8e180f3c LB |
760 | t->extra_delta32 = 0; |
761 | t->extra_delta64 = 0; | |
762 | ||
c98d5d94 LB |
763 | /* tells format_counters to dump all fields from this set */ |
764 | t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE; | |
765 | ||
766 | c->c3 = 0; | |
767 | c->c6 = 0; | |
768 | c->c7 = 0; | |
889facbe | 769 | c->core_temp_c = 0; |
c98d5d94 LB |
770 | |
771 | p->pc2 = 0; | |
772 | p->pc3 = 0; | |
773 | p->pc6 = 0; | |
774 | p->pc7 = 0; | |
ca58710f KCA |
775 | p->pc8 = 0; |
776 | p->pc9 = 0; | |
777 | p->pc10 = 0; | |
889facbe LB |
778 | |
779 | p->energy_pkg = 0; | |
780 | p->energy_dram = 0; | |
781 | p->energy_cores = 0; | |
782 | p->energy_gfx = 0; | |
783 | p->rapl_pkg_perf_status = 0; | |
784 | p->rapl_dram_perf_status = 0; | |
785 | p->pkg_temp_c = 0; | |
c98d5d94 LB |
786 | } |
787 | int sum_counters(struct thread_data *t, struct core_data *c, | |
788 | struct pkg_data *p) | |
103a8fea | 789 | { |
c98d5d94 LB |
790 | average.threads.tsc += t->tsc; |
791 | average.threads.aperf += t->aperf; | |
792 | average.threads.mperf += t->mperf; | |
793 | average.threads.c1 += t->c1; | |
103a8fea | 794 | |
8e180f3c LB |
795 | average.threads.extra_delta32 += t->extra_delta32; |
796 | average.threads.extra_delta64 += t->extra_delta64; | |
797 | ||
c98d5d94 LB |
798 | /* sum per-core values only for 1st thread in core */ |
799 | if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) | |
800 | return 0; | |
103a8fea | 801 | |
c98d5d94 LB |
802 | average.cores.c3 += c->c3; |
803 | average.cores.c6 += c->c6; | |
804 | average.cores.c7 += c->c7; | |
805 | ||
889facbe LB |
806 | average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c); |
807 | ||
c98d5d94 LB |
808 | /* sum per-pkg values only for 1st core in pkg */ |
809 | if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) | |
810 | return 0; | |
811 | ||
812 | average.packages.pc2 += p->pc2; | |
813 | average.packages.pc3 += p->pc3; | |
814 | average.packages.pc6 += p->pc6; | |
815 | average.packages.pc7 += p->pc7; | |
ca58710f KCA |
816 | average.packages.pc8 += p->pc8; |
817 | average.packages.pc9 += p->pc9; | |
818 | average.packages.pc10 += p->pc10; | |
c98d5d94 | 819 | |
889facbe LB |
820 | average.packages.energy_pkg += p->energy_pkg; |
821 | average.packages.energy_dram += p->energy_dram; | |
822 | average.packages.energy_cores += p->energy_cores; | |
823 | average.packages.energy_gfx += p->energy_gfx; | |
824 | ||
825 | average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c); | |
826 | ||
827 | average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status; | |
828 | average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status; | |
c98d5d94 LB |
829 | return 0; |
830 | } | |
831 | /* | |
832 | * sum the counters for all cpus in the system | |
833 | * compute the weighted average | |
834 | */ | |
835 | void compute_average(struct thread_data *t, struct core_data *c, | |
836 | struct pkg_data *p) | |
837 | { | |
838 | clear_counters(&average.threads, &average.cores, &average.packages); | |
839 | ||
840 | for_all_cpus(sum_counters, t, c, p); | |
841 | ||
842 | average.threads.tsc /= topo.num_cpus; | |
843 | average.threads.aperf /= topo.num_cpus; | |
844 | average.threads.mperf /= topo.num_cpus; | |
845 | average.threads.c1 /= topo.num_cpus; | |
846 | ||
8e180f3c LB |
847 | average.threads.extra_delta32 /= topo.num_cpus; |
848 | average.threads.extra_delta32 &= 0xFFFFFFFF; | |
849 | ||
850 | average.threads.extra_delta64 /= topo.num_cpus; | |
851 | ||
c98d5d94 LB |
852 | average.cores.c3 /= topo.num_cores; |
853 | average.cores.c6 /= topo.num_cores; | |
854 | average.cores.c7 /= topo.num_cores; | |
855 | ||
856 | average.packages.pc2 /= topo.num_packages; | |
857 | average.packages.pc3 /= topo.num_packages; | |
858 | average.packages.pc6 /= topo.num_packages; | |
859 | average.packages.pc7 /= topo.num_packages; | |
ca58710f KCA |
860 | |
861 | average.packages.pc8 /= topo.num_packages; | |
862 | average.packages.pc9 /= topo.num_packages; | |
863 | average.packages.pc10 /= topo.num_packages; | |
103a8fea LB |
864 | } |
865 | ||
c98d5d94 | 866 | static unsigned long long rdtsc(void) |
103a8fea | 867 | { |
c98d5d94 | 868 | unsigned int low, high; |
15aaa346 | 869 | |
c98d5d94 | 870 | asm volatile("rdtsc" : "=a" (low), "=d" (high)); |
15aaa346 | 871 | |
c98d5d94 LB |
872 | return low | ((unsigned long long)high) << 32; |
873 | } | |
15aaa346 | 874 | |
15aaa346 | 875 | |
c98d5d94 LB |
876 | /* |
877 | * get_counters(...) | |
878 | * migrate to cpu | |
879 | * acquire and record local counters for that cpu | |
880 | */ | |
881 | int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) | |
882 | { | |
883 | int cpu = t->cpu_id; | |
889facbe | 884 | unsigned long long msr; |
88c3281f | 885 | |
e52966c0 LB |
886 | if (cpu_migrate(cpu)) { |
887 | fprintf(stderr, "Could not migrate to CPU %d\n", cpu); | |
c98d5d94 | 888 | return -1; |
e52966c0 | 889 | } |
15aaa346 | 890 | |
c98d5d94 LB |
891 | t->tsc = rdtsc(); /* we are running on local CPU of interest */ |
892 | ||
893 | if (has_aperf) { | |
9c63a650 | 894 | if (get_msr(cpu, MSR_IA32_APERF, &t->aperf)) |
c98d5d94 | 895 | return -3; |
9c63a650 | 896 | if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf)) |
c98d5d94 LB |
897 | return -4; |
898 | } | |
899 | ||
1ed51011 LB |
900 | if (do_smi) { |
901 | if (get_msr(cpu, MSR_SMI_COUNT, &msr)) | |
902 | return -5; | |
903 | t->smi_count = msr & 0xFFFFFFFF; | |
904 | } | |
8e180f3c | 905 | if (extra_delta_offset32) { |
889facbe | 906 | if (get_msr(cpu, extra_delta_offset32, &msr)) |
8e180f3c | 907 | return -5; |
889facbe | 908 | t->extra_delta32 = msr & 0xFFFFFFFF; |
8e180f3c LB |
909 | } |
910 | ||
911 | if (extra_delta_offset64) | |
912 | if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64)) | |
2f32edf1 LB |
913 | return -5; |
914 | ||
8e180f3c | 915 | if (extra_msr_offset32) { |
889facbe | 916 | if (get_msr(cpu, extra_msr_offset32, &msr)) |
8e180f3c | 917 | return -5; |
889facbe | 918 | t->extra_msr32 = msr & 0xFFFFFFFF; |
8e180f3c LB |
919 | } |
920 | ||
2f32edf1 LB |
921 | if (extra_msr_offset64) |
922 | if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64)) | |
c98d5d94 LB |
923 | return -5; |
924 | ||
144b44b1 LB |
925 | if (use_c1_residency_msr) { |
926 | if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1)) | |
927 | return -6; | |
928 | } | |
929 | ||
c98d5d94 LB |
930 | /* collect core counters only for 1st thread in core */ |
931 | if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) | |
932 | return 0; | |
933 | ||
144b44b1 | 934 | if (do_nhm_cstates && !do_slm_cstates) { |
c98d5d94 LB |
935 | if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3)) |
936 | return -6; | |
144b44b1 LB |
937 | } |
938 | ||
939 | if (do_nhm_cstates) { | |
c98d5d94 LB |
940 | if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6)) |
941 | return -7; | |
942 | } | |
943 | ||
944 | if (do_snb_cstates) | |
945 | if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7)) | |
946 | return -8; | |
947 | ||
889facbe LB |
948 | if (do_dts) { |
949 | if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) | |
950 | return -9; | |
951 | c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); | |
952 | } | |
953 | ||
954 | ||
c98d5d94 LB |
955 | /* collect package counters only for 1st core in package */ |
956 | if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) | |
957 | return 0; | |
958 | ||
144b44b1 | 959 | if (do_nhm_cstates && !do_slm_cstates) { |
c98d5d94 LB |
960 | if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3)) |
961 | return -9; | |
962 | if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6)) | |
963 | return -10; | |
964 | } | |
965 | if (do_snb_cstates) { | |
966 | if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2)) | |
967 | return -11; | |
968 | if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7)) | |
969 | return -12; | |
103a8fea | 970 | } |
ca58710f KCA |
971 | if (do_c8_c9_c10) { |
972 | if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8)) | |
973 | return -13; | |
974 | if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9)) | |
975 | return -13; | |
976 | if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10)) | |
977 | return -13; | |
978 | } | |
889facbe LB |
979 | if (do_rapl & RAPL_PKG) { |
980 | if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr)) | |
981 | return -13; | |
982 | p->energy_pkg = msr & 0xFFFFFFFF; | |
983 | } | |
984 | if (do_rapl & RAPL_CORES) { | |
985 | if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr)) | |
986 | return -14; | |
987 | p->energy_cores = msr & 0xFFFFFFFF; | |
988 | } | |
989 | if (do_rapl & RAPL_DRAM) { | |
990 | if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr)) | |
991 | return -15; | |
992 | p->energy_dram = msr & 0xFFFFFFFF; | |
993 | } | |
994 | if (do_rapl & RAPL_GFX) { | |
995 | if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr)) | |
996 | return -16; | |
997 | p->energy_gfx = msr & 0xFFFFFFFF; | |
998 | } | |
999 | if (do_rapl & RAPL_PKG_PERF_STATUS) { | |
1000 | if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr)) | |
1001 | return -16; | |
1002 | p->rapl_pkg_perf_status = msr & 0xFFFFFFFF; | |
1003 | } | |
1004 | if (do_rapl & RAPL_DRAM_PERF_STATUS) { | |
1005 | if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr)) | |
1006 | return -16; | |
1007 | p->rapl_dram_perf_status = msr & 0xFFFFFFFF; | |
1008 | } | |
1009 | if (do_ptm) { | |
1010 | if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) | |
1011 | return -17; | |
1012 | p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); | |
1013 | } | |
15aaa346 | 1014 | return 0; |
103a8fea LB |
1015 | } |
1016 | ||
c98d5d94 | 1017 | void print_verbose_header(void) |
103a8fea LB |
1018 | { |
1019 | unsigned long long msr; | |
1020 | unsigned int ratio; | |
1021 | ||
1022 | if (!do_nehalem_platform_info) | |
1023 | return; | |
1024 | ||
9c63a650 | 1025 | get_msr(0, MSR_NHM_PLATFORM_INFO, &msr); |
103a8fea | 1026 | |
67920418 | 1027 | fprintf(stderr, "cpu0: MSR_NHM_PLATFORM_INFO: 0x%08llx\n", msr); |
6574a5d5 | 1028 | |
103a8fea LB |
1029 | ratio = (msr >> 40) & 0xFF; |
1030 | fprintf(stderr, "%d * %.0f = %.0f MHz max efficiency\n", | |
1031 | ratio, bclk, ratio * bclk); | |
1032 | ||
1033 | ratio = (msr >> 8) & 0xFF; | |
1034 | fprintf(stderr, "%d * %.0f = %.0f MHz TSC frequency\n", | |
1035 | ratio, bclk, ratio * bclk); | |
1036 | ||
67920418 | 1037 | get_msr(0, MSR_IA32_POWER_CTL, &msr); |
144b44b1 | 1038 | fprintf(stderr, "cpu0: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n", |
67920418 LB |
1039 | msr, msr & 0x2 ? "EN" : "DIS"); |
1040 | ||
6574a5d5 LB |
1041 | if (!do_ivt_turbo_ratio_limit) |
1042 | goto print_nhm_turbo_ratio_limits; | |
1043 | ||
1044 | get_msr(0, MSR_IVT_TURBO_RATIO_LIMIT, &msr); | |
1045 | ||
67920418 | 1046 | fprintf(stderr, "cpu0: MSR_IVT_TURBO_RATIO_LIMIT: 0x%08llx\n", msr); |
6574a5d5 LB |
1047 | |
1048 | ratio = (msr >> 56) & 0xFF; | |
1049 | if (ratio) | |
1050 | fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 16 active cores\n", | |
1051 | ratio, bclk, ratio * bclk); | |
1052 | ||
1053 | ratio = (msr >> 48) & 0xFF; | |
1054 | if (ratio) | |
1055 | fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 15 active cores\n", | |
1056 | ratio, bclk, ratio * bclk); | |
1057 | ||
1058 | ratio = (msr >> 40) & 0xFF; | |
1059 | if (ratio) | |
1060 | fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 14 active cores\n", | |
1061 | ratio, bclk, ratio * bclk); | |
1062 | ||
1063 | ratio = (msr >> 32) & 0xFF; | |
1064 | if (ratio) | |
1065 | fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 13 active cores\n", | |
1066 | ratio, bclk, ratio * bclk); | |
1067 | ||
1068 | ratio = (msr >> 24) & 0xFF; | |
1069 | if (ratio) | |
1070 | fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 12 active cores\n", | |
1071 | ratio, bclk, ratio * bclk); | |
1072 | ||
1073 | ratio = (msr >> 16) & 0xFF; | |
1074 | if (ratio) | |
1075 | fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 11 active cores\n", | |
1076 | ratio, bclk, ratio * bclk); | |
1077 | ||
1078 | ratio = (msr >> 8) & 0xFF; | |
1079 | if (ratio) | |
1080 | fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 10 active cores\n", | |
1081 | ratio, bclk, ratio * bclk); | |
1082 | ||
1083 | ratio = (msr >> 0) & 0xFF; | |
1084 | if (ratio) | |
1085 | fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 9 active cores\n", | |
1086 | ratio, bclk, ratio * bclk); | |
1087 | ||
1088 | print_nhm_turbo_ratio_limits: | |
889facbe LB |
1089 | get_msr(0, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); |
1090 | ||
1091 | #define SNB_C1_AUTO_UNDEMOTE (1UL << 27) | |
1092 | #define SNB_C3_AUTO_UNDEMOTE (1UL << 28) | |
1093 | ||
1094 | fprintf(stderr, "cpu0: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", msr); | |
1095 | ||
1096 | fprintf(stderr, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: ", | |
1097 | (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "", | |
1098 | (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "", | |
1099 | (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "", | |
1100 | (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "", | |
1101 | (msr & (1 << 15)) ? "" : "UN", | |
1102 | (unsigned int)msr & 7); | |
1103 | ||
1104 | ||
1105 | switch(msr & 0x7) { | |
1106 | case 0: | |
144b44b1 | 1107 | fprintf(stderr, do_slm_cstates ? "no pkg states" : "pc0"); |
889facbe LB |
1108 | break; |
1109 | case 1: | |
144b44b1 | 1110 | fprintf(stderr, do_slm_cstates ? "no pkg states" : do_snb_cstates ? "pc2" : "pc0"); |
889facbe LB |
1111 | break; |
1112 | case 2: | |
144b44b1 | 1113 | fprintf(stderr, do_slm_cstates ? "invalid" : do_snb_cstates ? "pc6-noret" : "pc3"); |
889facbe LB |
1114 | break; |
1115 | case 3: | |
144b44b1 | 1116 | fprintf(stderr, do_slm_cstates ? "invalid" : "pc6"); |
889facbe LB |
1117 | break; |
1118 | case 4: | |
144b44b1 | 1119 | fprintf(stderr, do_slm_cstates ? "pc4" : "pc7"); |
889facbe LB |
1120 | break; |
1121 | case 5: | |
144b44b1 LB |
1122 | fprintf(stderr, do_slm_cstates ? "invalid" : do_snb_cstates ? "pc7s" : "invalid"); |
1123 | break; | |
1124 | case 6: | |
1125 | fprintf(stderr, do_slm_cstates ? "pc6" : "invalid"); | |
889facbe LB |
1126 | break; |
1127 | case 7: | |
144b44b1 | 1128 | fprintf(stderr, do_slm_cstates ? "pc7" : "unlimited"); |
889facbe LB |
1129 | break; |
1130 | default: | |
1131 | fprintf(stderr, "invalid"); | |
1132 | } | |
1133 | fprintf(stderr, ")\n"); | |
103a8fea LB |
1134 | |
1135 | if (!do_nehalem_turbo_ratio_limit) | |
1136 | return; | |
1137 | ||
9c63a650 | 1138 | get_msr(0, MSR_NHM_TURBO_RATIO_LIMIT, &msr); |
103a8fea | 1139 | |
67920418 | 1140 | fprintf(stderr, "cpu0: MSR_NHM_TURBO_RATIO_LIMIT: 0x%08llx\n", msr); |
6574a5d5 LB |
1141 | |
1142 | ratio = (msr >> 56) & 0xFF; | |
1143 | if (ratio) | |
1144 | fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 8 active cores\n", | |
1145 | ratio, bclk, ratio * bclk); | |
1146 | ||
1147 | ratio = (msr >> 48) & 0xFF; | |
1148 | if (ratio) | |
1149 | fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 7 active cores\n", | |
1150 | ratio, bclk, ratio * bclk); | |
1151 | ||
1152 | ratio = (msr >> 40) & 0xFF; | |
1153 | if (ratio) | |
1154 | fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 6 active cores\n", | |
1155 | ratio, bclk, ratio * bclk); | |
1156 | ||
1157 | ratio = (msr >> 32) & 0xFF; | |
1158 | if (ratio) | |
1159 | fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 5 active cores\n", | |
1160 | ratio, bclk, ratio * bclk); | |
1161 | ||
103a8fea LB |
1162 | ratio = (msr >> 24) & 0xFF; |
1163 | if (ratio) | |
1164 | fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 4 active cores\n", | |
1165 | ratio, bclk, ratio * bclk); | |
1166 | ||
1167 | ratio = (msr >> 16) & 0xFF; | |
1168 | if (ratio) | |
1169 | fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 3 active cores\n", | |
1170 | ratio, bclk, ratio * bclk); | |
1171 | ||
1172 | ratio = (msr >> 8) & 0xFF; | |
1173 | if (ratio) | |
1174 | fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 2 active cores\n", | |
1175 | ratio, bclk, ratio * bclk); | |
1176 | ||
1177 | ratio = (msr >> 0) & 0xFF; | |
1178 | if (ratio) | |
1179 | fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 1 active cores\n", | |
1180 | ratio, bclk, ratio * bclk); | |
103a8fea LB |
1181 | } |
1182 | ||
c98d5d94 | 1183 | void free_all_buffers(void) |
103a8fea | 1184 | { |
c98d5d94 LB |
1185 | CPU_FREE(cpu_present_set); |
1186 | cpu_present_set = NULL; | |
1187 | cpu_present_set = 0; | |
103a8fea | 1188 | |
c98d5d94 LB |
1189 | CPU_FREE(cpu_affinity_set); |
1190 | cpu_affinity_set = NULL; | |
1191 | cpu_affinity_setsize = 0; | |
103a8fea | 1192 | |
c98d5d94 LB |
1193 | free(thread_even); |
1194 | free(core_even); | |
1195 | free(package_even); | |
103a8fea | 1196 | |
c98d5d94 LB |
1197 | thread_even = NULL; |
1198 | core_even = NULL; | |
1199 | package_even = NULL; | |
103a8fea | 1200 | |
c98d5d94 LB |
1201 | free(thread_odd); |
1202 | free(core_odd); | |
1203 | free(package_odd); | |
103a8fea | 1204 | |
c98d5d94 LB |
1205 | thread_odd = NULL; |
1206 | core_odd = NULL; | |
1207 | package_odd = NULL; | |
103a8fea | 1208 | |
c98d5d94 LB |
1209 | free(output_buffer); |
1210 | output_buffer = NULL; | |
1211 | outp = NULL; | |
103a8fea LB |
1212 | } |
1213 | ||
57a42a34 JT |
1214 | /* |
1215 | * Open a file, and exit on failure | |
1216 | */ | |
1217 | FILE *fopen_or_die(const char *path, const char *mode) | |
1218 | { | |
1219 | FILE *filep = fopen(path, "r"); | |
b2c95d90 JT |
1220 | if (!filep) |
1221 | err(1, "%s: open failed", path); | |
57a42a34 JT |
1222 | return filep; |
1223 | } | |
1224 | ||
c98d5d94 | 1225 | /* |
95aebc44 | 1226 | * Parse a file containing a single int. |
c98d5d94 | 1227 | */ |
95aebc44 | 1228 | int parse_int_file(const char *fmt, ...) |
103a8fea | 1229 | { |
95aebc44 JT |
1230 | va_list args; |
1231 | char path[PATH_MAX]; | |
c98d5d94 | 1232 | FILE *filep; |
95aebc44 | 1233 | int value; |
103a8fea | 1234 | |
95aebc44 JT |
1235 | va_start(args, fmt); |
1236 | vsnprintf(path, sizeof(path), fmt, args); | |
1237 | va_end(args); | |
57a42a34 | 1238 | filep = fopen_or_die(path, "r"); |
b2c95d90 JT |
1239 | if (fscanf(filep, "%d", &value) != 1) |
1240 | err(1, "%s: failed to parse number from file", path); | |
c98d5d94 | 1241 | fclose(filep); |
95aebc44 JT |
1242 | return value; |
1243 | } | |
1244 | ||
1245 | /* | |
1246 | * cpu_is_first_sibling_in_core(cpu) | |
1247 | * return 1 if given CPU is 1st HT sibling in the core | |
1248 | */ | |
1249 | int cpu_is_first_sibling_in_core(int cpu) | |
1250 | { | |
1251 | return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); | |
103a8fea LB |
1252 | } |
1253 | ||
c98d5d94 LB |
1254 | /* |
1255 | * cpu_is_first_core_in_package(cpu) | |
1256 | * return 1 if given CPU is 1st core in package | |
1257 | */ | |
1258 | int cpu_is_first_core_in_package(int cpu) | |
103a8fea | 1259 | { |
95aebc44 | 1260 | return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu); |
103a8fea LB |
1261 | } |
1262 | ||
1263 | int get_physical_package_id(int cpu) | |
1264 | { | |
95aebc44 | 1265 | return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu); |
103a8fea LB |
1266 | } |
1267 | ||
1268 | int get_core_id(int cpu) | |
1269 | { | |
95aebc44 | 1270 | return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu); |
103a8fea LB |
1271 | } |
1272 | ||
c98d5d94 LB |
1273 | int get_num_ht_siblings(int cpu) |
1274 | { | |
1275 | char path[80]; | |
1276 | FILE *filep; | |
1277 | int sib1, sib2; | |
1278 | int matches; | |
1279 | char character; | |
1280 | ||
1281 | sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); | |
57a42a34 | 1282 | filep = fopen_or_die(path, "r"); |
c98d5d94 LB |
1283 | /* |
1284 | * file format: | |
1285 | * if a pair of number with a character between: 2 siblings (eg. 1-2, or 1,4) | |
1286 | * otherwinse 1 sibling (self). | |
1287 | */ | |
1288 | matches = fscanf(filep, "%d%c%d\n", &sib1, &character, &sib2); | |
1289 | ||
1290 | fclose(filep); | |
1291 | ||
1292 | if (matches == 3) | |
1293 | return 2; | |
1294 | else | |
1295 | return 1; | |
1296 | } | |
1297 | ||
103a8fea | 1298 | /* |
c98d5d94 LB |
1299 | * run func(thread, core, package) in topology order |
1300 | * skip non-present cpus | |
103a8fea LB |
1301 | */ |
1302 | ||
c98d5d94 LB |
1303 | int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *, |
1304 | struct pkg_data *, struct thread_data *, struct core_data *, | |
1305 | struct pkg_data *), struct thread_data *thread_base, | |
1306 | struct core_data *core_base, struct pkg_data *pkg_base, | |
1307 | struct thread_data *thread_base2, struct core_data *core_base2, | |
1308 | struct pkg_data *pkg_base2) | |
1309 | { | |
1310 | int retval, pkg_no, core_no, thread_no; | |
1311 | ||
1312 | for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { | |
1313 | for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { | |
1314 | for (thread_no = 0; thread_no < | |
1315 | topo.num_threads_per_core; ++thread_no) { | |
1316 | struct thread_data *t, *t2; | |
1317 | struct core_data *c, *c2; | |
1318 | struct pkg_data *p, *p2; | |
1319 | ||
1320 | t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); | |
1321 | ||
1322 | if (cpu_is_not_present(t->cpu_id)) | |
1323 | continue; | |
1324 | ||
1325 | t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no); | |
1326 | ||
1327 | c = GET_CORE(core_base, core_no, pkg_no); | |
1328 | c2 = GET_CORE(core_base2, core_no, pkg_no); | |
1329 | ||
1330 | p = GET_PKG(pkg_base, pkg_no); | |
1331 | p2 = GET_PKG(pkg_base2, pkg_no); | |
1332 | ||
1333 | retval = func(t, c, p, t2, c2, p2); | |
1334 | if (retval) | |
1335 | return retval; | |
1336 | } | |
1337 | } | |
1338 | } | |
1339 | return 0; | |
1340 | } | |
1341 | ||
1342 | /* | |
1343 | * run func(cpu) on every cpu in /proc/stat | |
1344 | * return max_cpu number | |
1345 | */ | |
1346 | int for_all_proc_cpus(int (func)(int)) | |
103a8fea LB |
1347 | { |
1348 | FILE *fp; | |
c98d5d94 | 1349 | int cpu_num; |
103a8fea LB |
1350 | int retval; |
1351 | ||
57a42a34 | 1352 | fp = fopen_or_die(proc_stat, "r"); |
103a8fea LB |
1353 | |
1354 | retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n"); | |
b2c95d90 JT |
1355 | if (retval != 0) |
1356 | err(1, "%s: failed to parse format", proc_stat); | |
103a8fea | 1357 | |
c98d5d94 LB |
1358 | while (1) { |
1359 | retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num); | |
103a8fea LB |
1360 | if (retval != 1) |
1361 | break; | |
1362 | ||
c98d5d94 LB |
1363 | retval = func(cpu_num); |
1364 | if (retval) { | |
1365 | fclose(fp); | |
1366 | return(retval); | |
1367 | } | |
103a8fea LB |
1368 | } |
1369 | fclose(fp); | |
c98d5d94 | 1370 | return 0; |
103a8fea LB |
1371 | } |
1372 | ||
1373 | void re_initialize(void) | |
1374 | { | |
c98d5d94 LB |
1375 | free_all_buffers(); |
1376 | setup_all_buffers(); | |
1377 | printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus); | |
103a8fea LB |
1378 | } |
1379 | ||
c98d5d94 | 1380 | |
103a8fea | 1381 | /* |
c98d5d94 LB |
1382 | * count_cpus() |
1383 | * remember the last one seen, it will be the max | |
103a8fea | 1384 | */ |
c98d5d94 | 1385 | int count_cpus(int cpu) |
103a8fea | 1386 | { |
c98d5d94 LB |
1387 | if (topo.max_cpu_num < cpu) |
1388 | topo.max_cpu_num = cpu; | |
103a8fea | 1389 | |
c98d5d94 LB |
1390 | topo.num_cpus += 1; |
1391 | return 0; | |
1392 | } | |
1393 | int mark_cpu_present(int cpu) | |
1394 | { | |
1395 | CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set); | |
15aaa346 | 1396 | return 0; |
103a8fea LB |
1397 | } |
1398 | ||
1399 | void turbostat_loop() | |
1400 | { | |
c98d5d94 | 1401 | int retval; |
e52966c0 | 1402 | int restarted = 0; |
c98d5d94 | 1403 | |
103a8fea | 1404 | restart: |
e52966c0 LB |
1405 | restarted++; |
1406 | ||
c98d5d94 | 1407 | retval = for_all_cpus(get_counters, EVEN_COUNTERS); |
d91bb17c LB |
1408 | if (retval < -1) { |
1409 | exit(retval); | |
1410 | } else if (retval == -1) { | |
e52966c0 LB |
1411 | if (restarted > 1) { |
1412 | exit(retval); | |
1413 | } | |
c98d5d94 LB |
1414 | re_initialize(); |
1415 | goto restart; | |
1416 | } | |
e52966c0 | 1417 | restarted = 0; |
103a8fea LB |
1418 | gettimeofday(&tv_even, (struct timezone *)NULL); |
1419 | ||
1420 | while (1) { | |
c98d5d94 | 1421 | if (for_all_proc_cpus(cpu_is_not_present)) { |
103a8fea LB |
1422 | re_initialize(); |
1423 | goto restart; | |
1424 | } | |
1425 | sleep(interval_sec); | |
c98d5d94 | 1426 | retval = for_all_cpus(get_counters, ODD_COUNTERS); |
d91bb17c LB |
1427 | if (retval < -1) { |
1428 | exit(retval); | |
1429 | } else if (retval == -1) { | |
15aaa346 LB |
1430 | re_initialize(); |
1431 | goto restart; | |
1432 | } | |
103a8fea | 1433 | gettimeofday(&tv_odd, (struct timezone *)NULL); |
103a8fea | 1434 | timersub(&tv_odd, &tv_even, &tv_delta); |
c98d5d94 LB |
1435 | for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); |
1436 | compute_average(EVEN_COUNTERS); | |
1437 | format_all_counters(EVEN_COUNTERS); | |
1438 | flush_stdout(); | |
15aaa346 | 1439 | sleep(interval_sec); |
c98d5d94 | 1440 | retval = for_all_cpus(get_counters, EVEN_COUNTERS); |
d91bb17c LB |
1441 | if (retval < -1) { |
1442 | exit(retval); | |
1443 | } else if (retval == -1) { | |
103a8fea LB |
1444 | re_initialize(); |
1445 | goto restart; | |
1446 | } | |
103a8fea | 1447 | gettimeofday(&tv_even, (struct timezone *)NULL); |
103a8fea | 1448 | timersub(&tv_even, &tv_odd, &tv_delta); |
c98d5d94 LB |
1449 | for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS); |
1450 | compute_average(ODD_COUNTERS); | |
1451 | format_all_counters(ODD_COUNTERS); | |
1452 | flush_stdout(); | |
103a8fea LB |
1453 | } |
1454 | } | |
1455 | ||
1456 | void check_dev_msr() | |
1457 | { | |
1458 | struct stat sb; | |
1459 | ||
b2c95d90 JT |
1460 | if (stat("/dev/cpu/0/msr", &sb)) |
1461 | err(-5, "no /dev/cpu/0/msr\n" | |
1462 | "Try \"# modprobe msr\""); | |
103a8fea LB |
1463 | } |
1464 | ||
1465 | void check_super_user() | |
1466 | { | |
b2c95d90 JT |
1467 | if (getuid() != 0) |
1468 | errx(-6, "must be root"); | |
103a8fea LB |
1469 | } |
1470 | ||
1471 | int has_nehalem_turbo_ratio_limit(unsigned int family, unsigned int model) | |
1472 | { | |
1473 | if (!genuine_intel) | |
1474 | return 0; | |
1475 | ||
1476 | if (family != 6) | |
1477 | return 0; | |
1478 | ||
1479 | switch (model) { | |
1480 | case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */ | |
1481 | case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */ | |
1482 | case 0x1F: /* Core i7 and i5 Processor - Nehalem */ | |
1483 | case 0x25: /* Westmere Client - Clarkdale, Arrandale */ | |
1484 | case 0x2C: /* Westmere EP - Gulftown */ | |
1485 | case 0x2A: /* SNB */ | |
1486 | case 0x2D: /* SNB Xeon */ | |
553575f1 | 1487 | case 0x3A: /* IVB */ |
1300651b | 1488 | case 0x3E: /* IVB Xeon */ |
70b43400 | 1489 | case 0x3C: /* HSW */ |
e6f9bb3c | 1490 | case 0x3F: /* HSX */ |
70b43400 | 1491 | case 0x45: /* HSW */ |
149c2319 | 1492 | case 0x46: /* HSW */ |
144b44b1 LB |
1493 | case 0x37: /* BYT */ |
1494 | case 0x4D: /* AVN */ | |
4e8e863f LB |
1495 | case 0x3D: /* BDW */ |
1496 | case 0x4F: /* BDX */ | |
1497 | case 0x56: /* BDX-DE */ | |
103a8fea LB |
1498 | return 1; |
1499 | case 0x2E: /* Nehalem-EX Xeon - Beckton */ | |
1500 | case 0x2F: /* Westmere-EX Xeon - Eagleton */ | |
1501 | default: | |
1502 | return 0; | |
1503 | } | |
1504 | } | |
6574a5d5 LB |
1505 | int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model) |
1506 | { | |
1507 | if (!genuine_intel) | |
1508 | return 0; | |
1509 | ||
1510 | if (family != 6) | |
1511 | return 0; | |
1512 | ||
1513 | switch (model) { | |
1514 | case 0x3E: /* IVB Xeon */ | |
1515 | return 1; | |
1516 | default: | |
1517 | return 0; | |
1518 | } | |
1519 | } | |
1520 | ||
889facbe LB |
1521 | /* |
1522 | * print_epb() | |
1523 | * Decode the ENERGY_PERF_BIAS MSR | |
1524 | */ | |
1525 | int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p) | |
1526 | { | |
1527 | unsigned long long msr; | |
1528 | char *epb_string; | |
1529 | int cpu; | |
1530 | ||
1531 | if (!has_epb) | |
1532 | return 0; | |
1533 | ||
1534 | cpu = t->cpu_id; | |
1535 | ||
1536 | /* EPB is per-package */ | |
1537 | if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) | |
1538 | return 0; | |
1539 | ||
1540 | if (cpu_migrate(cpu)) { | |
1541 | fprintf(stderr, "Could not migrate to CPU %d\n", cpu); | |
1542 | return -1; | |
1543 | } | |
1544 | ||
1545 | if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr)) | |
1546 | return 0; | |
1547 | ||
1548 | switch (msr & 0x7) { | |
1549 | case ENERGY_PERF_BIAS_PERFORMANCE: | |
1550 | epb_string = "performance"; | |
1551 | break; | |
1552 | case ENERGY_PERF_BIAS_NORMAL: | |
1553 | epb_string = "balanced"; | |
1554 | break; | |
1555 | case ENERGY_PERF_BIAS_POWERSAVE: | |
1556 | epb_string = "powersave"; | |
1557 | break; | |
1558 | default: | |
1559 | epb_string = "custom"; | |
1560 | break; | |
1561 | } | |
1562 | fprintf(stderr, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string); | |
1563 | ||
1564 | return 0; | |
1565 | } | |
1566 | ||
1567 | #define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */ | |
1568 | #define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */ | |
1569 | ||
144b44b1 LB |
1570 | double get_tdp(model) |
1571 | { | |
1572 | unsigned long long msr; | |
1573 | ||
1574 | if (do_rapl & RAPL_PKG_POWER_INFO) | |
1575 | if (!get_msr(0, MSR_PKG_POWER_INFO, &msr)) | |
1576 | return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units; | |
1577 | ||
1578 | switch (model) { | |
1579 | case 0x37: | |
1580 | case 0x4D: | |
1581 | return 30.0; | |
1582 | default: | |
1583 | return 135.0; | |
1584 | } | |
1585 | } | |
1586 | ||
1587 | ||
889facbe LB |
1588 | /* |
1589 | * rapl_probe() | |
1590 | * | |
144b44b1 | 1591 | * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units |
889facbe LB |
1592 | */ |
1593 | void rapl_probe(unsigned int family, unsigned int model) | |
1594 | { | |
1595 | unsigned long long msr; | |
144b44b1 | 1596 | unsigned int time_unit; |
889facbe LB |
1597 | double tdp; |
1598 | ||
1599 | if (!genuine_intel) | |
1600 | return; | |
1601 | ||
1602 | if (family != 6) | |
1603 | return; | |
1604 | ||
1605 | switch (model) { | |
1606 | case 0x2A: | |
1607 | case 0x3A: | |
70b43400 | 1608 | case 0x3C: /* HSW */ |
70b43400 | 1609 | case 0x45: /* HSW */ |
149c2319 | 1610 | case 0x46: /* HSW */ |
4e8e863f | 1611 | case 0x3D: /* BDW */ |
144b44b1 | 1612 | do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO; |
889facbe | 1613 | break; |
e6f9bb3c | 1614 | case 0x3F: /* HSX */ |
4e8e863f LB |
1615 | case 0x4F: /* BDX */ |
1616 | case 0x56: /* BDX-DE */ | |
e6f9bb3c LB |
1617 | do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; |
1618 | break; | |
889facbe LB |
1619 | case 0x2D: |
1620 | case 0x3E: | |
144b44b1 LB |
1621 | do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO; |
1622 | break; | |
1623 | case 0x37: /* BYT */ | |
1624 | case 0x4D: /* AVN */ | |
1625 | do_rapl = RAPL_PKG | RAPL_CORES ; | |
889facbe LB |
1626 | break; |
1627 | default: | |
1628 | return; | |
1629 | } | |
1630 | ||
1631 | /* units on package 0, verify later other packages match */ | |
1632 | if (get_msr(0, MSR_RAPL_POWER_UNIT, &msr)) | |
1633 | return; | |
1634 | ||
1635 | rapl_power_units = 1.0 / (1 << (msr & 0xF)); | |
144b44b1 LB |
1636 | if (model == 0x37) |
1637 | rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000; | |
1638 | else | |
1639 | rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F)); | |
889facbe | 1640 | |
144b44b1 LB |
1641 | time_unit = msr >> 16 & 0xF; |
1642 | if (time_unit == 0) | |
1643 | time_unit = 0xA; | |
889facbe | 1644 | |
144b44b1 | 1645 | rapl_time_units = 1.0 / (1 << (time_unit)); |
889facbe | 1646 | |
144b44b1 | 1647 | tdp = get_tdp(model); |
889facbe | 1648 | |
144b44b1 | 1649 | rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp; |
889facbe | 1650 | if (verbose) |
144b44b1 | 1651 | fprintf(stderr, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp); |
889facbe LB |
1652 | |
1653 | return; | |
1654 | } | |
1655 | ||
1656 | int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p) | |
1657 | { | |
1658 | unsigned long long msr; | |
1659 | unsigned int dts; | |
1660 | int cpu; | |
1661 | ||
1662 | if (!(do_dts || do_ptm)) | |
1663 | return 0; | |
1664 | ||
1665 | cpu = t->cpu_id; | |
1666 | ||
1667 | /* DTS is per-core, no need to print for each thread */ | |
1668 | if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) | |
1669 | return 0; | |
1670 | ||
1671 | if (cpu_migrate(cpu)) { | |
1672 | fprintf(stderr, "Could not migrate to CPU %d\n", cpu); | |
1673 | return -1; | |
1674 | } | |
1675 | ||
1676 | if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) { | |
1677 | if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) | |
1678 | return 0; | |
1679 | ||
1680 | dts = (msr >> 16) & 0x7F; | |
1681 | fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n", | |
1682 | cpu, msr, tcc_activation_temp - dts); | |
1683 | ||
1684 | #ifdef THERM_DEBUG | |
1685 | if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr)) | |
1686 | return 0; | |
1687 | ||
1688 | dts = (msr >> 16) & 0x7F; | |
1689 | dts2 = (msr >> 8) & 0x7F; | |
1690 | fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", | |
1691 | cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); | |
1692 | #endif | |
1693 | } | |
1694 | ||
1695 | ||
1696 | if (do_dts) { | |
1697 | unsigned int resolution; | |
1698 | ||
1699 | if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) | |
1700 | return 0; | |
1701 | ||
1702 | dts = (msr >> 16) & 0x7F; | |
1703 | resolution = (msr >> 27) & 0xF; | |
1704 | fprintf(stderr, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n", | |
1705 | cpu, msr, tcc_activation_temp - dts, resolution); | |
1706 | ||
1707 | #ifdef THERM_DEBUG | |
1708 | if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr)) | |
1709 | return 0; | |
1710 | ||
1711 | dts = (msr >> 16) & 0x7F; | |
1712 | dts2 = (msr >> 8) & 0x7F; | |
1713 | fprintf(stderr, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", | |
1714 | cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); | |
1715 | #endif | |
1716 | } | |
1717 | ||
1718 | return 0; | |
1719 | } | |
1720 | ||
1721 | void print_power_limit_msr(int cpu, unsigned long long msr, char *label) | |
1722 | { | |
1723 | fprintf(stderr, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n", | |
1724 | cpu, label, | |
1725 | ((msr >> 15) & 1) ? "EN" : "DIS", | |
1726 | ((msr >> 0) & 0x7FFF) * rapl_power_units, | |
1727 | (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units, | |
1728 | (((msr >> 16) & 1) ? "EN" : "DIS")); | |
1729 | ||
1730 | return; | |
1731 | } | |
1732 | ||
1733 | int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p) | |
1734 | { | |
1735 | unsigned long long msr; | |
1736 | int cpu; | |
889facbe LB |
1737 | |
1738 | if (!do_rapl) | |
1739 | return 0; | |
1740 | ||
1741 | /* RAPL counters are per package, so print only for 1st thread/package */ | |
1742 | if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) | |
1743 | return 0; | |
1744 | ||
1745 | cpu = t->cpu_id; | |
1746 | if (cpu_migrate(cpu)) { | |
1747 | fprintf(stderr, "Could not migrate to CPU %d\n", cpu); | |
1748 | return -1; | |
1749 | } | |
1750 | ||
1751 | if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr)) | |
1752 | return -1; | |
1753 | ||
889facbe LB |
1754 | if (verbose) { |
1755 | fprintf(stderr, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx " | |
1756 | "(%f Watts, %f Joules, %f sec.)\n", cpu, msr, | |
144b44b1 | 1757 | rapl_power_units, rapl_energy_units, rapl_time_units); |
889facbe | 1758 | } |
144b44b1 LB |
1759 | if (do_rapl & RAPL_PKG_POWER_INFO) { |
1760 | ||
889facbe LB |
1761 | if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr)) |
1762 | return -5; | |
1763 | ||
1764 | ||
1765 | fprintf(stderr, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", | |
1766 | cpu, msr, | |
1767 | ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, | |
1768 | ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, | |
1769 | ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, | |
1770 | ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); | |
1771 | ||
144b44b1 LB |
1772 | } |
1773 | if (do_rapl & RAPL_PKG) { | |
1774 | ||
889facbe LB |
1775 | if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr)) |
1776 | return -9; | |
1777 | ||
1778 | fprintf(stderr, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n", | |
1779 | cpu, msr, (msr >> 63) & 1 ? "": "UN"); | |
1780 | ||
1781 | print_power_limit_msr(cpu, msr, "PKG Limit #1"); | |
1782 | fprintf(stderr, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n", | |
1783 | cpu, | |
1784 | ((msr >> 47) & 1) ? "EN" : "DIS", | |
1785 | ((msr >> 32) & 0x7FFF) * rapl_power_units, | |
1786 | (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units, | |
1787 | ((msr >> 48) & 1) ? "EN" : "DIS"); | |
1788 | } | |
1789 | ||
1790 | if (do_rapl & RAPL_DRAM) { | |
1791 | if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr)) | |
1792 | return -6; | |
1793 | ||
1794 | ||
1795 | fprintf(stderr, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", | |
1796 | cpu, msr, | |
1797 | ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, | |
1798 | ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, | |
1799 | ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, | |
1800 | ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); | |
1801 | ||
1802 | ||
1803 | if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr)) | |
1804 | return -9; | |
1805 | fprintf(stderr, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n", | |
1806 | cpu, msr, (msr >> 31) & 1 ? "": "UN"); | |
1807 | ||
1808 | print_power_limit_msr(cpu, msr, "DRAM Limit"); | |
1809 | } | |
144b44b1 | 1810 | if (do_rapl & RAPL_CORE_POLICY) { |
889facbe LB |
1811 | if (verbose) { |
1812 | if (get_msr(cpu, MSR_PP0_POLICY, &msr)) | |
1813 | return -7; | |
1814 | ||
1815 | fprintf(stderr, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF); | |
144b44b1 LB |
1816 | } |
1817 | } | |
1818 | if (do_rapl & RAPL_CORES) { | |
1819 | if (verbose) { | |
889facbe LB |
1820 | |
1821 | if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr)) | |
1822 | return -9; | |
1823 | fprintf(stderr, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n", | |
1824 | cpu, msr, (msr >> 31) & 1 ? "": "UN"); | |
1825 | print_power_limit_msr(cpu, msr, "Cores Limit"); | |
1826 | } | |
1827 | } | |
1828 | if (do_rapl & RAPL_GFX) { | |
1829 | if (verbose) { | |
1830 | if (get_msr(cpu, MSR_PP1_POLICY, &msr)) | |
1831 | return -8; | |
1832 | ||
1833 | fprintf(stderr, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF); | |
1834 | ||
1835 | if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr)) | |
1836 | return -9; | |
1837 | fprintf(stderr, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n", | |
1838 | cpu, msr, (msr >> 31) & 1 ? "": "UN"); | |
1839 | print_power_limit_msr(cpu, msr, "GFX Limit"); | |
1840 | } | |
1841 | } | |
1842 | return 0; | |
1843 | } | |
1844 | ||
103a8fea LB |
1845 | |
1846 | int is_snb(unsigned int family, unsigned int model) | |
1847 | { | |
1848 | if (!genuine_intel) | |
1849 | return 0; | |
1850 | ||
1851 | switch (model) { | |
1852 | case 0x2A: | |
1853 | case 0x2D: | |
650a37f3 | 1854 | case 0x3A: /* IVB */ |
1300651b | 1855 | case 0x3E: /* IVB Xeon */ |
70b43400 LB |
1856 | case 0x3C: /* HSW */ |
1857 | case 0x3F: /* HSW */ | |
1858 | case 0x45: /* HSW */ | |
149c2319 | 1859 | case 0x46: /* HSW */ |
4e8e863f LB |
1860 | case 0x3D: /* BDW */ |
1861 | case 0x4F: /* BDX */ | |
1862 | case 0x56: /* BDX-DE */ | |
103a8fea LB |
1863 | return 1; |
1864 | } | |
1865 | return 0; | |
1866 | } | |
1867 | ||
ca58710f KCA |
1868 | int has_c8_c9_c10(unsigned int family, unsigned int model) |
1869 | { | |
1870 | if (!genuine_intel) | |
1871 | return 0; | |
1872 | ||
1873 | switch (model) { | |
4e8e863f LB |
1874 | case 0x45: /* HSW */ |
1875 | case 0x3D: /* BDW */ | |
ca58710f KCA |
1876 | return 1; |
1877 | } | |
1878 | return 0; | |
1879 | } | |
1880 | ||
1881 | ||
144b44b1 LB |
1882 | int is_slm(unsigned int family, unsigned int model) |
1883 | { | |
1884 | if (!genuine_intel) | |
1885 | return 0; | |
1886 | switch (model) { | |
1887 | case 0x37: /* BYT */ | |
1888 | case 0x4D: /* AVN */ | |
1889 | return 1; | |
1890 | } | |
1891 | return 0; | |
1892 | } | |
1893 | ||
1894 | #define SLM_BCLK_FREQS 5 | |
1895 | double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0}; | |
1896 | ||
1897 | double slm_bclk(void) | |
1898 | { | |
1899 | unsigned long long msr = 3; | |
1900 | unsigned int i; | |
1901 | double freq; | |
1902 | ||
1903 | if (get_msr(0, MSR_FSB_FREQ, &msr)) | |
1904 | fprintf(stderr, "SLM BCLK: unknown\n"); | |
1905 | ||
1906 | i = msr & 0xf; | |
1907 | if (i >= SLM_BCLK_FREQS) { | |
1908 | fprintf(stderr, "SLM BCLK[%d] invalid\n", i); | |
1909 | msr = 3; | |
1910 | } | |
1911 | freq = slm_freq_table[i]; | |
1912 | ||
1913 | fprintf(stderr, "SLM BCLK: %.1f Mhz\n", freq); | |
1914 | ||
1915 | return freq; | |
1916 | } | |
1917 | ||
103a8fea LB |
1918 | double discover_bclk(unsigned int family, unsigned int model) |
1919 | { | |
1920 | if (is_snb(family, model)) | |
1921 | return 100.00; | |
144b44b1 LB |
1922 | else if (is_slm(family, model)) |
1923 | return slm_bclk(); | |
103a8fea LB |
1924 | else |
1925 | return 133.33; | |
1926 | } | |
1927 | ||
889facbe LB |
1928 | /* |
1929 | * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where | |
1930 | * the Thermal Control Circuit (TCC) activates. | |
1931 | * This is usually equal to tjMax. | |
1932 | * | |
1933 | * Older processors do not have this MSR, so there we guess, | |
1934 | * but also allow cmdline over-ride with -T. | |
1935 | * | |
1936 | * Several MSR temperature values are in units of degrees-C | |
1937 | * below this value, including the Digital Thermal Sensor (DTS), | |
1938 | * Package Thermal Management Sensor (PTM), and thermal event thresholds. | |
1939 | */ | |
1940 | int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p) | |
1941 | { | |
1942 | unsigned long long msr; | |
1943 | unsigned int target_c_local; | |
1944 | int cpu; | |
1945 | ||
1946 | /* tcc_activation_temp is used only for dts or ptm */ | |
1947 | if (!(do_dts || do_ptm)) | |
1948 | return 0; | |
1949 | ||
1950 | /* this is a per-package concept */ | |
1951 | if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) | |
1952 | return 0; | |
1953 | ||
1954 | cpu = t->cpu_id; | |
1955 | if (cpu_migrate(cpu)) { | |
1956 | fprintf(stderr, "Could not migrate to CPU %d\n", cpu); | |
1957 | return -1; | |
1958 | } | |
1959 | ||
1960 | if (tcc_activation_temp_override != 0) { | |
1961 | tcc_activation_temp = tcc_activation_temp_override; | |
1962 | fprintf(stderr, "cpu%d: Using cmdline TCC Target (%d C)\n", | |
1963 | cpu, tcc_activation_temp); | |
1964 | return 0; | |
1965 | } | |
1966 | ||
1967 | /* Temperature Target MSR is Nehalem and newer only */ | |
1968 | if (!do_nehalem_platform_info) | |
1969 | goto guess; | |
1970 | ||
1971 | if (get_msr(0, MSR_IA32_TEMPERATURE_TARGET, &msr)) | |
1972 | goto guess; | |
1973 | ||
3482124a | 1974 | target_c_local = (msr >> 16) & 0xFF; |
889facbe LB |
1975 | |
1976 | if (verbose) | |
1977 | fprintf(stderr, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n", | |
1978 | cpu, msr, target_c_local); | |
1979 | ||
3482124a | 1980 | if (!target_c_local) |
889facbe LB |
1981 | goto guess; |
1982 | ||
1983 | tcc_activation_temp = target_c_local; | |
1984 | ||
1985 | return 0; | |
1986 | ||
1987 | guess: | |
1988 | tcc_activation_temp = TJMAX_DEFAULT; | |
1989 | fprintf(stderr, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n", | |
1990 | cpu, tcc_activation_temp); | |
1991 | ||
1992 | return 0; | |
1993 | } | |
103a8fea LB |
1994 | void check_cpuid() |
1995 | { | |
1996 | unsigned int eax, ebx, ecx, edx, max_level; | |
1997 | unsigned int fms, family, model, stepping; | |
1998 | ||
1999 | eax = ebx = ecx = edx = 0; | |
2000 | ||
2b92865e | 2001 | __get_cpuid(0, &max_level, &ebx, &ecx, &edx); |
103a8fea LB |
2002 | |
2003 | if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e) | |
2004 | genuine_intel = 1; | |
2005 | ||
2006 | if (verbose) | |
889facbe | 2007 | fprintf(stderr, "CPUID(0): %.4s%.4s%.4s ", |
103a8fea LB |
2008 | (char *)&ebx, (char *)&edx, (char *)&ecx); |
2009 | ||
2b92865e | 2010 | __get_cpuid(1, &fms, &ebx, &ecx, &edx); |
103a8fea LB |
2011 | family = (fms >> 8) & 0xf; |
2012 | model = (fms >> 4) & 0xf; | |
2013 | stepping = fms & 0xf; | |
2014 | if (family == 6 || family == 0xf) | |
2015 | model += ((fms >> 16) & 0xf) << 4; | |
2016 | ||
2017 | if (verbose) | |
2018 | fprintf(stderr, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n", | |
2019 | max_level, family, model, stepping, family, model, stepping); | |
2020 | ||
b2c95d90 JT |
2021 | if (!(edx & (1 << 5))) |
2022 | errx(1, "CPUID: no MSR"); | |
103a8fea LB |
2023 | |
2024 | /* | |
2025 | * check max extended function levels of CPUID. | |
2026 | * This is needed to check for invariant TSC. | |
2027 | * This check is valid for both Intel and AMD. | |
2028 | */ | |
2029 | ebx = ecx = edx = 0; | |
2b92865e | 2030 | __get_cpuid(0x80000000, &max_level, &ebx, &ecx, &edx); |
103a8fea | 2031 | |
b2c95d90 JT |
2032 | if (max_level < 0x80000007) |
2033 | errx(1, "CPUID: no invariant TSC (max_level 0x%x)", max_level); | |
103a8fea LB |
2034 | |
2035 | /* | |
2036 | * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8 | |
2037 | * this check is valid for both Intel and AMD | |
2038 | */ | |
2b92865e | 2039 | __get_cpuid(0x80000007, &eax, &ebx, &ecx, &edx); |
8209e054 | 2040 | has_invariant_tsc = edx & (1 << 8); |
103a8fea | 2041 | |
b2c95d90 JT |
2042 | if (!has_invariant_tsc) |
2043 | errx(1, "No invariant TSC"); | |
103a8fea LB |
2044 | |
2045 | /* | |
2046 | * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0 | |
2047 | * this check is valid for both Intel and AMD | |
2048 | */ | |
2049 | ||
2b92865e | 2050 | __get_cpuid(0x6, &eax, &ebx, &ecx, &edx); |
8209e054 | 2051 | has_aperf = ecx & (1 << 0); |
889facbe LB |
2052 | do_dts = eax & (1 << 0); |
2053 | do_ptm = eax & (1 << 6); | |
2054 | has_epb = ecx & (1 << 3); | |
2055 | ||
2056 | if (verbose) | |
2057 | fprintf(stderr, "CPUID(6): %s%s%s%s\n", | |
2058 | has_aperf ? "APERF" : "No APERF!", | |
2059 | do_dts ? ", DTS" : "", | |
2060 | do_ptm ? ", PTM": "", | |
2061 | has_epb ? ", EPB": ""); | |
2062 | ||
2063 | if (!has_aperf) | |
b2c95d90 | 2064 | errx(-1, "No APERF"); |
103a8fea LB |
2065 | |
2066 | do_nehalem_platform_info = genuine_intel && has_invariant_tsc; | |
2067 | do_nhm_cstates = genuine_intel; /* all Intel w/ non-stop TSC have NHM counters */ | |
1ed51011 | 2068 | do_smi = do_nhm_cstates; |
103a8fea | 2069 | do_snb_cstates = is_snb(family, model); |
ca58710f | 2070 | do_c8_c9_c10 = has_c8_c9_c10(family, model); |
144b44b1 | 2071 | do_slm_cstates = is_slm(family, model); |
103a8fea LB |
2072 | bclk = discover_bclk(family, model); |
2073 | ||
2074 | do_nehalem_turbo_ratio_limit = has_nehalem_turbo_ratio_limit(family, model); | |
6574a5d5 | 2075 | do_ivt_turbo_ratio_limit = has_ivt_turbo_ratio_limit(family, model); |
889facbe LB |
2076 | rapl_probe(family, model); |
2077 | ||
2078 | return; | |
103a8fea LB |
2079 | } |
2080 | ||
2081 | ||
2082 | void usage() | |
2083 | { | |
f591c38b | 2084 | errx(1, "%s: [-v][-R][-T][-p|-P|-S][-c MSR#][-C MSR#][-m MSR#][-M MSR#][-i interval_sec | command ...]\n", |
b2c95d90 | 2085 | progname); |
103a8fea LB |
2086 | } |
2087 | ||
2088 | ||
2089 | /* | |
2090 | * in /dev/cpu/ return success for names that are numbers | |
2091 | * ie. filter out ".", "..", "microcode". | |
2092 | */ | |
2093 | int dir_filter(const struct dirent *dirp) | |
2094 | { | |
2095 | if (isdigit(dirp->d_name[0])) | |
2096 | return 1; | |
2097 | else | |
2098 | return 0; | |
2099 | } | |
2100 | ||
2101 | int open_dev_cpu_msr(int dummy1) | |
2102 | { | |
2103 | return 0; | |
2104 | } | |
2105 | ||
c98d5d94 LB |
2106 | void topology_probe() |
2107 | { | |
2108 | int i; | |
2109 | int max_core_id = 0; | |
2110 | int max_package_id = 0; | |
2111 | int max_siblings = 0; | |
2112 | struct cpu_topology { | |
2113 | int core_id; | |
2114 | int physical_package_id; | |
2115 | } *cpus; | |
2116 | ||
2117 | /* Initialize num_cpus, max_cpu_num */ | |
2118 | topo.num_cpus = 0; | |
2119 | topo.max_cpu_num = 0; | |
2120 | for_all_proc_cpus(count_cpus); | |
2121 | if (!summary_only && topo.num_cpus > 1) | |
2122 | show_cpu = 1; | |
2123 | ||
2124 | if (verbose > 1) | |
2125 | fprintf(stderr, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num); | |
2126 | ||
2127 | cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology)); | |
b2c95d90 JT |
2128 | if (cpus == NULL) |
2129 | err(1, "calloc cpus"); | |
c98d5d94 LB |
2130 | |
2131 | /* | |
2132 | * Allocate and initialize cpu_present_set | |
2133 | */ | |
2134 | cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1)); | |
b2c95d90 JT |
2135 | if (cpu_present_set == NULL) |
2136 | err(3, "CPU_ALLOC"); | |
c98d5d94 LB |
2137 | cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); |
2138 | CPU_ZERO_S(cpu_present_setsize, cpu_present_set); | |
2139 | for_all_proc_cpus(mark_cpu_present); | |
2140 | ||
2141 | /* | |
2142 | * Allocate and initialize cpu_affinity_set | |
2143 | */ | |
2144 | cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1)); | |
b2c95d90 JT |
2145 | if (cpu_affinity_set == NULL) |
2146 | err(3, "CPU_ALLOC"); | |
c98d5d94 LB |
2147 | cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); |
2148 | CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); | |
2149 | ||
2150 | ||
2151 | /* | |
2152 | * For online cpus | |
2153 | * find max_core_id, max_package_id | |
2154 | */ | |
2155 | for (i = 0; i <= topo.max_cpu_num; ++i) { | |
2156 | int siblings; | |
2157 | ||
2158 | if (cpu_is_not_present(i)) { | |
2159 | if (verbose > 1) | |
2160 | fprintf(stderr, "cpu%d NOT PRESENT\n", i); | |
2161 | continue; | |
2162 | } | |
2163 | cpus[i].core_id = get_core_id(i); | |
2164 | if (cpus[i].core_id > max_core_id) | |
2165 | max_core_id = cpus[i].core_id; | |
2166 | ||
2167 | cpus[i].physical_package_id = get_physical_package_id(i); | |
2168 | if (cpus[i].physical_package_id > max_package_id) | |
2169 | max_package_id = cpus[i].physical_package_id; | |
2170 | ||
2171 | siblings = get_num_ht_siblings(i); | |
2172 | if (siblings > max_siblings) | |
2173 | max_siblings = siblings; | |
2174 | if (verbose > 1) | |
2175 | fprintf(stderr, "cpu %d pkg %d core %d\n", | |
2176 | i, cpus[i].physical_package_id, cpus[i].core_id); | |
2177 | } | |
2178 | topo.num_cores_per_pkg = max_core_id + 1; | |
2179 | if (verbose > 1) | |
2180 | fprintf(stderr, "max_core_id %d, sizing for %d cores per package\n", | |
2181 | max_core_id, topo.num_cores_per_pkg); | |
2182 | if (!summary_only && topo.num_cores_per_pkg > 1) | |
2183 | show_core = 1; | |
2184 | ||
2185 | topo.num_packages = max_package_id + 1; | |
2186 | if (verbose > 1) | |
2187 | fprintf(stderr, "max_package_id %d, sizing for %d packages\n", | |
2188 | max_package_id, topo.num_packages); | |
2189 | if (!summary_only && topo.num_packages > 1) | |
2190 | show_pkg = 1; | |
2191 | ||
2192 | topo.num_threads_per_core = max_siblings; | |
2193 | if (verbose > 1) | |
2194 | fprintf(stderr, "max_siblings %d\n", max_siblings); | |
2195 | ||
2196 | free(cpus); | |
2197 | } | |
2198 | ||
2199 | void | |
2200 | allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p) | |
2201 | { | |
2202 | int i; | |
2203 | ||
2204 | *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg * | |
2205 | topo.num_packages, sizeof(struct thread_data)); | |
2206 | if (*t == NULL) | |
2207 | goto error; | |
2208 | ||
2209 | for (i = 0; i < topo.num_threads_per_core * | |
2210 | topo.num_cores_per_pkg * topo.num_packages; i++) | |
2211 | (*t)[i].cpu_id = -1; | |
2212 | ||
2213 | *c = calloc(topo.num_cores_per_pkg * topo.num_packages, | |
2214 | sizeof(struct core_data)); | |
2215 | if (*c == NULL) | |
2216 | goto error; | |
2217 | ||
2218 | for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++) | |
2219 | (*c)[i].core_id = -1; | |
2220 | ||
2221 | *p = calloc(topo.num_packages, sizeof(struct pkg_data)); | |
2222 | if (*p == NULL) | |
2223 | goto error; | |
2224 | ||
2225 | for (i = 0; i < topo.num_packages; i++) | |
2226 | (*p)[i].package_id = i; | |
2227 | ||
2228 | return; | |
2229 | error: | |
b2c95d90 | 2230 | err(1, "calloc counters"); |
c98d5d94 LB |
2231 | } |
2232 | /* | |
2233 | * init_counter() | |
2234 | * | |
2235 | * set cpu_id, core_num, pkg_num | |
2236 | * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE | |
2237 | * | |
2238 | * increment topo.num_cores when 1st core in pkg seen | |
2239 | */ | |
2240 | void init_counter(struct thread_data *thread_base, struct core_data *core_base, | |
2241 | struct pkg_data *pkg_base, int thread_num, int core_num, | |
2242 | int pkg_num, int cpu_id) | |
2243 | { | |
2244 | struct thread_data *t; | |
2245 | struct core_data *c; | |
2246 | struct pkg_data *p; | |
2247 | ||
2248 | t = GET_THREAD(thread_base, thread_num, core_num, pkg_num); | |
2249 | c = GET_CORE(core_base, core_num, pkg_num); | |
2250 | p = GET_PKG(pkg_base, pkg_num); | |
2251 | ||
2252 | t->cpu_id = cpu_id; | |
2253 | if (thread_num == 0) { | |
2254 | t->flags |= CPU_IS_FIRST_THREAD_IN_CORE; | |
2255 | if (cpu_is_first_core_in_package(cpu_id)) | |
2256 | t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE; | |
2257 | } | |
2258 | ||
2259 | c->core_id = core_num; | |
2260 | p->package_id = pkg_num; | |
2261 | } | |
2262 | ||
2263 | ||
2264 | int initialize_counters(int cpu_id) | |
2265 | { | |
2266 | int my_thread_id, my_core_id, my_package_id; | |
2267 | ||
2268 | my_package_id = get_physical_package_id(cpu_id); | |
2269 | my_core_id = get_core_id(cpu_id); | |
2270 | ||
2271 | if (cpu_is_first_sibling_in_core(cpu_id)) { | |
2272 | my_thread_id = 0; | |
2273 | topo.num_cores++; | |
2274 | } else { | |
2275 | my_thread_id = 1; | |
2276 | } | |
2277 | ||
2278 | init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); | |
2279 | init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); | |
2280 | return 0; | |
2281 | } | |
2282 | ||
2283 | void allocate_output_buffer() | |
2284 | { | |
3b4d5c7f | 2285 | output_buffer = calloc(1, (1 + topo.num_cpus) * 1024); |
c98d5d94 | 2286 | outp = output_buffer; |
b2c95d90 JT |
2287 | if (outp == NULL) |
2288 | err(-1, "calloc output buffer"); | |
c98d5d94 LB |
2289 | } |
2290 | ||
2291 | void setup_all_buffers(void) | |
2292 | { | |
2293 | topology_probe(); | |
2294 | allocate_counters(&thread_even, &core_even, &package_even); | |
2295 | allocate_counters(&thread_odd, &core_odd, &package_odd); | |
2296 | allocate_output_buffer(); | |
2297 | for_all_proc_cpus(initialize_counters); | |
2298 | } | |
3b4d5c7f | 2299 | |
103a8fea LB |
2300 | void turbostat_init() |
2301 | { | |
2302 | check_cpuid(); | |
2303 | ||
2304 | check_dev_msr(); | |
2305 | check_super_user(); | |
2306 | ||
c98d5d94 | 2307 | setup_all_buffers(); |
103a8fea LB |
2308 | |
2309 | if (verbose) | |
c98d5d94 | 2310 | print_verbose_header(); |
889facbe LB |
2311 | |
2312 | if (verbose) | |
2313 | for_all_cpus(print_epb, ODD_COUNTERS); | |
2314 | ||
2315 | if (verbose) | |
2316 | for_all_cpus(print_rapl, ODD_COUNTERS); | |
2317 | ||
2318 | for_all_cpus(set_temperature_target, ODD_COUNTERS); | |
2319 | ||
2320 | if (verbose) | |
2321 | for_all_cpus(print_thermal, ODD_COUNTERS); | |
103a8fea LB |
2322 | } |
2323 | ||
2324 | int fork_it(char **argv) | |
2325 | { | |
103a8fea | 2326 | pid_t child_pid; |
d91bb17c | 2327 | int status; |
d15cf7c1 | 2328 | |
d91bb17c LB |
2329 | status = for_all_cpus(get_counters, EVEN_COUNTERS); |
2330 | if (status) | |
2331 | exit(status); | |
c98d5d94 LB |
2332 | /* clear affinity side-effect of get_counters() */ |
2333 | sched_setaffinity(0, cpu_present_setsize, cpu_present_set); | |
103a8fea LB |
2334 | gettimeofday(&tv_even, (struct timezone *)NULL); |
2335 | ||
2336 | child_pid = fork(); | |
2337 | if (!child_pid) { | |
2338 | /* child */ | |
2339 | execvp(argv[0], argv); | |
2340 | } else { | |
103a8fea LB |
2341 | |
2342 | /* parent */ | |
b2c95d90 JT |
2343 | if (child_pid == -1) |
2344 | err(1, "fork"); | |
103a8fea LB |
2345 | |
2346 | signal(SIGINT, SIG_IGN); | |
2347 | signal(SIGQUIT, SIG_IGN); | |
b2c95d90 JT |
2348 | if (waitpid(child_pid, &status, 0) == -1) |
2349 | err(status, "waitpid"); | |
103a8fea | 2350 | } |
c98d5d94 LB |
2351 | /* |
2352 | * n.b. fork_it() does not check for errors from for_all_cpus() | |
2353 | * because re-starting is problematic when forking | |
2354 | */ | |
2355 | for_all_cpus(get_counters, ODD_COUNTERS); | |
103a8fea | 2356 | gettimeofday(&tv_odd, (struct timezone *)NULL); |
103a8fea | 2357 | timersub(&tv_odd, &tv_even, &tv_delta); |
c98d5d94 LB |
2358 | for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); |
2359 | compute_average(EVEN_COUNTERS); | |
2360 | format_all_counters(EVEN_COUNTERS); | |
2361 | flush_stderr(); | |
103a8fea | 2362 | |
6eab04a8 | 2363 | fprintf(stderr, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0); |
103a8fea | 2364 | |
d91bb17c | 2365 | return status; |
103a8fea LB |
2366 | } |
2367 | ||
3b4d5c7f AS |
2368 | int get_and_dump_counters(void) |
2369 | { | |
2370 | int status; | |
2371 | ||
2372 | status = for_all_cpus(get_counters, ODD_COUNTERS); | |
2373 | if (status) | |
2374 | return status; | |
2375 | ||
2376 | status = for_all_cpus(dump_counters, ODD_COUNTERS); | |
2377 | if (status) | |
2378 | return status; | |
2379 | ||
2380 | flush_stdout(); | |
2381 | ||
2382 | return status; | |
2383 | } | |
2384 | ||
103a8fea LB |
2385 | void cmdline(int argc, char **argv) |
2386 | { | |
2387 | int opt; | |
2388 | ||
2389 | progname = argv[0]; | |
2390 | ||
3b4d5c7f | 2391 | while ((opt = getopt(argc, argv, "+pPsSvi:c:C:m:M:RJT:")) != -1) { |
103a8fea | 2392 | switch (opt) { |
f9240813 | 2393 | case 'p': |
c98d5d94 LB |
2394 | show_core_only++; |
2395 | break; | |
f9240813 | 2396 | case 'P': |
c98d5d94 LB |
2397 | show_pkg_only++; |
2398 | break; | |
3b4d5c7f AS |
2399 | case 's': |
2400 | dump_only++; | |
2401 | break; | |
f9240813 | 2402 | case 'S': |
e23da037 LB |
2403 | summary_only++; |
2404 | break; | |
103a8fea LB |
2405 | case 'v': |
2406 | verbose++; | |
2407 | break; | |
2408 | case 'i': | |
2409 | interval_sec = atoi(optarg); | |
2410 | break; | |
f9240813 | 2411 | case 'c': |
8e180f3c LB |
2412 | sscanf(optarg, "%x", &extra_delta_offset32); |
2413 | break; | |
f9240813 | 2414 | case 'C': |
8e180f3c LB |
2415 | sscanf(optarg, "%x", &extra_delta_offset64); |
2416 | break; | |
2f32edf1 LB |
2417 | case 'm': |
2418 | sscanf(optarg, "%x", &extra_msr_offset32); | |
2f32edf1 | 2419 | break; |
103a8fea | 2420 | case 'M': |
2f32edf1 | 2421 | sscanf(optarg, "%x", &extra_msr_offset64); |
103a8fea | 2422 | break; |
889facbe LB |
2423 | case 'R': |
2424 | rapl_verbose++; | |
2425 | break; | |
2426 | case 'T': | |
2427 | tcc_activation_temp_override = atoi(optarg); | |
2428 | break; | |
5c56be9a DB |
2429 | case 'J': |
2430 | rapl_joules++; | |
2431 | break; | |
2432 | ||
103a8fea LB |
2433 | default: |
2434 | usage(); | |
2435 | } | |
2436 | } | |
2437 | } | |
2438 | ||
2439 | int main(int argc, char **argv) | |
2440 | { | |
2441 | cmdline(argc, argv); | |
2442 | ||
889facbe | 2443 | if (verbose) |
fc04cc67 | 2444 | fprintf(stderr, "turbostat v3.7 Feb 6, 2014" |
103a8fea | 2445 | " - Len Brown <lenb@kernel.org>\n"); |
103a8fea LB |
2446 | |
2447 | turbostat_init(); | |
2448 | ||
3b4d5c7f AS |
2449 | /* dump counters and exit */ |
2450 | if (dump_only) | |
2451 | return get_and_dump_counters(); | |
2452 | ||
103a8fea LB |
2453 | /* |
2454 | * if any params left, it must be a command to fork | |
2455 | */ | |
2456 | if (argc - optind) | |
2457 | return fork_it(argv + optind); | |
2458 | else | |
2459 | turbostat_loop(); | |
2460 | ||
2461 | return 0; | |
2462 | } |