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f87027b9 JO |
1 | #include <stdio.h> |
2 | #include "evsel.h" | |
3 | #include "stat.h" | |
4 | #include "color.h" | |
5 | ||
6 | enum { | |
7 | CTX_BIT_USER = 1 << 0, | |
8 | CTX_BIT_KERNEL = 1 << 1, | |
9 | CTX_BIT_HV = 1 << 2, | |
10 | CTX_BIT_HOST = 1 << 3, | |
11 | CTX_BIT_IDLE = 1 << 4, | |
12 | CTX_BIT_MAX = 1 << 5, | |
13 | }; | |
14 | ||
15 | #define NUM_CTX CTX_BIT_MAX | |
16 | ||
17 | static struct stats runtime_nsecs_stats[MAX_NR_CPUS]; | |
18 | static struct stats runtime_cycles_stats[NUM_CTX][MAX_NR_CPUS]; | |
19 | static struct stats runtime_stalled_cycles_front_stats[NUM_CTX][MAX_NR_CPUS]; | |
20 | static struct stats runtime_stalled_cycles_back_stats[NUM_CTX][MAX_NR_CPUS]; | |
21 | static struct stats runtime_branches_stats[NUM_CTX][MAX_NR_CPUS]; | |
22 | static struct stats runtime_cacherefs_stats[NUM_CTX][MAX_NR_CPUS]; | |
23 | static struct stats runtime_l1_dcache_stats[NUM_CTX][MAX_NR_CPUS]; | |
24 | static struct stats runtime_l1_icache_stats[NUM_CTX][MAX_NR_CPUS]; | |
25 | static struct stats runtime_ll_cache_stats[NUM_CTX][MAX_NR_CPUS]; | |
26 | static struct stats runtime_itlb_cache_stats[NUM_CTX][MAX_NR_CPUS]; | |
27 | static struct stats runtime_dtlb_cache_stats[NUM_CTX][MAX_NR_CPUS]; | |
28 | static struct stats runtime_cycles_in_tx_stats[NUM_CTX][MAX_NR_CPUS]; | |
29 | static struct stats runtime_transaction_stats[NUM_CTX][MAX_NR_CPUS]; | |
30 | static struct stats runtime_elision_stats[NUM_CTX][MAX_NR_CPUS]; | |
31 | ||
32 | struct stats walltime_nsecs_stats; | |
33 | ||
34 | static int evsel_context(struct perf_evsel *evsel) | |
35 | { | |
36 | int ctx = 0; | |
37 | ||
38 | if (evsel->attr.exclude_kernel) | |
39 | ctx |= CTX_BIT_KERNEL; | |
40 | if (evsel->attr.exclude_user) | |
41 | ctx |= CTX_BIT_USER; | |
42 | if (evsel->attr.exclude_hv) | |
43 | ctx |= CTX_BIT_HV; | |
44 | if (evsel->attr.exclude_host) | |
45 | ctx |= CTX_BIT_HOST; | |
46 | if (evsel->attr.exclude_idle) | |
47 | ctx |= CTX_BIT_IDLE; | |
48 | ||
49 | return ctx; | |
50 | } | |
51 | ||
52 | void perf_stat__reset_shadow_stats(void) | |
53 | { | |
54 | memset(runtime_nsecs_stats, 0, sizeof(runtime_nsecs_stats)); | |
55 | memset(runtime_cycles_stats, 0, sizeof(runtime_cycles_stats)); | |
56 | memset(runtime_stalled_cycles_front_stats, 0, sizeof(runtime_stalled_cycles_front_stats)); | |
57 | memset(runtime_stalled_cycles_back_stats, 0, sizeof(runtime_stalled_cycles_back_stats)); | |
58 | memset(runtime_branches_stats, 0, sizeof(runtime_branches_stats)); | |
59 | memset(runtime_cacherefs_stats, 0, sizeof(runtime_cacherefs_stats)); | |
60 | memset(runtime_l1_dcache_stats, 0, sizeof(runtime_l1_dcache_stats)); | |
61 | memset(runtime_l1_icache_stats, 0, sizeof(runtime_l1_icache_stats)); | |
62 | memset(runtime_ll_cache_stats, 0, sizeof(runtime_ll_cache_stats)); | |
63 | memset(runtime_itlb_cache_stats, 0, sizeof(runtime_itlb_cache_stats)); | |
64 | memset(runtime_dtlb_cache_stats, 0, sizeof(runtime_dtlb_cache_stats)); | |
65 | memset(runtime_cycles_in_tx_stats, 0, | |
66 | sizeof(runtime_cycles_in_tx_stats)); | |
67 | memset(runtime_transaction_stats, 0, | |
68 | sizeof(runtime_transaction_stats)); | |
69 | memset(runtime_elision_stats, 0, sizeof(runtime_elision_stats)); | |
70 | memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats)); | |
71 | } | |
72 | ||
73 | /* | |
74 | * Update various tracking values we maintain to print | |
75 | * more semantic information such as miss/hit ratios, | |
76 | * instruction rates, etc: | |
77 | */ | |
78 | void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count, | |
79 | int cpu) | |
80 | { | |
81 | int ctx = evsel_context(counter); | |
82 | ||
83 | if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK)) | |
84 | update_stats(&runtime_nsecs_stats[cpu], count[0]); | |
85 | else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES)) | |
86 | update_stats(&runtime_cycles_stats[ctx][cpu], count[0]); | |
87 | else if (perf_stat_evsel__is(counter, CYCLES_IN_TX)) | |
54976285 | 88 | update_stats(&runtime_cycles_in_tx_stats[ctx][cpu], count[0]); |
f87027b9 JO |
89 | else if (perf_stat_evsel__is(counter, TRANSACTION_START)) |
90 | update_stats(&runtime_transaction_stats[ctx][cpu], count[0]); | |
91 | else if (perf_stat_evsel__is(counter, ELISION_START)) | |
92 | update_stats(&runtime_elision_stats[ctx][cpu], count[0]); | |
93 | else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) | |
94 | update_stats(&runtime_stalled_cycles_front_stats[ctx][cpu], count[0]); | |
95 | else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND)) | |
96 | update_stats(&runtime_stalled_cycles_back_stats[ctx][cpu], count[0]); | |
97 | else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS)) | |
98 | update_stats(&runtime_branches_stats[ctx][cpu], count[0]); | |
99 | else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES)) | |
100 | update_stats(&runtime_cacherefs_stats[ctx][cpu], count[0]); | |
101 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1D)) | |
102 | update_stats(&runtime_l1_dcache_stats[ctx][cpu], count[0]); | |
103 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1I)) | |
104 | update_stats(&runtime_ll_cache_stats[ctx][cpu], count[0]); | |
105 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_LL)) | |
106 | update_stats(&runtime_ll_cache_stats[ctx][cpu], count[0]); | |
107 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_DTLB)) | |
108 | update_stats(&runtime_dtlb_cache_stats[ctx][cpu], count[0]); | |
109 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_ITLB)) | |
110 | update_stats(&runtime_itlb_cache_stats[ctx][cpu], count[0]); | |
111 | } | |
112 | ||
113 | /* used for get_ratio_color() */ | |
114 | enum grc_type { | |
115 | GRC_STALLED_CYCLES_FE, | |
116 | GRC_STALLED_CYCLES_BE, | |
117 | GRC_CACHE_MISSES, | |
118 | GRC_MAX_NR | |
119 | }; | |
120 | ||
121 | static const char *get_ratio_color(enum grc_type type, double ratio) | |
122 | { | |
123 | static const double grc_table[GRC_MAX_NR][3] = { | |
124 | [GRC_STALLED_CYCLES_FE] = { 50.0, 30.0, 10.0 }, | |
125 | [GRC_STALLED_CYCLES_BE] = { 75.0, 50.0, 20.0 }, | |
126 | [GRC_CACHE_MISSES] = { 20.0, 10.0, 5.0 }, | |
127 | }; | |
128 | const char *color = PERF_COLOR_NORMAL; | |
129 | ||
130 | if (ratio > grc_table[type][0]) | |
131 | color = PERF_COLOR_RED; | |
132 | else if (ratio > grc_table[type][1]) | |
133 | color = PERF_COLOR_MAGENTA; | |
134 | else if (ratio > grc_table[type][2]) | |
135 | color = PERF_COLOR_YELLOW; | |
136 | ||
137 | return color; | |
138 | } | |
139 | ||
140 | static void print_stalled_cycles_frontend(FILE *out, int cpu, | |
141 | struct perf_evsel *evsel | |
142 | __maybe_unused, double avg) | |
143 | { | |
144 | double total, ratio = 0.0; | |
145 | const char *color; | |
146 | int ctx = evsel_context(evsel); | |
147 | ||
148 | total = avg_stats(&runtime_cycles_stats[ctx][cpu]); | |
149 | ||
150 | if (total) | |
151 | ratio = avg / total * 100.0; | |
152 | ||
153 | color = get_ratio_color(GRC_STALLED_CYCLES_FE, ratio); | |
154 | ||
155 | fprintf(out, " # "); | |
156 | color_fprintf(out, color, "%6.2f%%", ratio); | |
157 | fprintf(out, " frontend cycles idle "); | |
158 | } | |
159 | ||
160 | static void print_stalled_cycles_backend(FILE *out, int cpu, | |
161 | struct perf_evsel *evsel | |
162 | __maybe_unused, double avg) | |
163 | { | |
164 | double total, ratio = 0.0; | |
165 | const char *color; | |
166 | int ctx = evsel_context(evsel); | |
167 | ||
168 | total = avg_stats(&runtime_cycles_stats[ctx][cpu]); | |
169 | ||
170 | if (total) | |
171 | ratio = avg / total * 100.0; | |
172 | ||
173 | color = get_ratio_color(GRC_STALLED_CYCLES_BE, ratio); | |
174 | ||
175 | fprintf(out, " # "); | |
176 | color_fprintf(out, color, "%6.2f%%", ratio); | |
177 | fprintf(out, " backend cycles idle "); | |
178 | } | |
179 | ||
180 | static void print_branch_misses(FILE *out, int cpu, | |
181 | struct perf_evsel *evsel __maybe_unused, | |
182 | double avg) | |
183 | { | |
184 | double total, ratio = 0.0; | |
185 | const char *color; | |
186 | int ctx = evsel_context(evsel); | |
187 | ||
188 | total = avg_stats(&runtime_branches_stats[ctx][cpu]); | |
189 | ||
190 | if (total) | |
191 | ratio = avg / total * 100.0; | |
192 | ||
193 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); | |
194 | ||
195 | fprintf(out, " # "); | |
196 | color_fprintf(out, color, "%6.2f%%", ratio); | |
197 | fprintf(out, " of all branches "); | |
198 | } | |
199 | ||
200 | static void print_l1_dcache_misses(FILE *out, int cpu, | |
201 | struct perf_evsel *evsel __maybe_unused, | |
202 | double avg) | |
203 | { | |
204 | double total, ratio = 0.0; | |
205 | const char *color; | |
206 | int ctx = evsel_context(evsel); | |
207 | ||
208 | total = avg_stats(&runtime_l1_dcache_stats[ctx][cpu]); | |
209 | ||
210 | if (total) | |
211 | ratio = avg / total * 100.0; | |
212 | ||
213 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); | |
214 | ||
215 | fprintf(out, " # "); | |
216 | color_fprintf(out, color, "%6.2f%%", ratio); | |
217 | fprintf(out, " of all L1-dcache hits "); | |
218 | } | |
219 | ||
220 | static void print_l1_icache_misses(FILE *out, int cpu, | |
221 | struct perf_evsel *evsel __maybe_unused, | |
222 | double avg) | |
223 | { | |
224 | double total, ratio = 0.0; | |
225 | const char *color; | |
226 | int ctx = evsel_context(evsel); | |
227 | ||
228 | total = avg_stats(&runtime_l1_icache_stats[ctx][cpu]); | |
229 | ||
230 | if (total) | |
231 | ratio = avg / total * 100.0; | |
232 | ||
233 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); | |
234 | ||
235 | fprintf(out, " # "); | |
236 | color_fprintf(out, color, "%6.2f%%", ratio); | |
237 | fprintf(out, " of all L1-icache hits "); | |
238 | } | |
239 | ||
240 | static void print_dtlb_cache_misses(FILE *out, int cpu, | |
241 | struct perf_evsel *evsel __maybe_unused, | |
242 | double avg) | |
243 | { | |
244 | double total, ratio = 0.0; | |
245 | const char *color; | |
246 | int ctx = evsel_context(evsel); | |
247 | ||
248 | total = avg_stats(&runtime_dtlb_cache_stats[ctx][cpu]); | |
249 | ||
250 | if (total) | |
251 | ratio = avg / total * 100.0; | |
252 | ||
253 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); | |
254 | ||
255 | fprintf(out, " # "); | |
256 | color_fprintf(out, color, "%6.2f%%", ratio); | |
257 | fprintf(out, " of all dTLB cache hits "); | |
258 | } | |
259 | ||
260 | static void print_itlb_cache_misses(FILE *out, int cpu, | |
261 | struct perf_evsel *evsel __maybe_unused, | |
262 | double avg) | |
263 | { | |
264 | double total, ratio = 0.0; | |
265 | const char *color; | |
266 | int ctx = evsel_context(evsel); | |
267 | ||
268 | total = avg_stats(&runtime_itlb_cache_stats[ctx][cpu]); | |
269 | ||
270 | if (total) | |
271 | ratio = avg / total * 100.0; | |
272 | ||
273 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); | |
274 | ||
275 | fprintf(out, " # "); | |
276 | color_fprintf(out, color, "%6.2f%%", ratio); | |
277 | fprintf(out, " of all iTLB cache hits "); | |
278 | } | |
279 | ||
280 | static void print_ll_cache_misses(FILE *out, int cpu, | |
281 | struct perf_evsel *evsel __maybe_unused, | |
282 | double avg) | |
283 | { | |
284 | double total, ratio = 0.0; | |
285 | const char *color; | |
286 | int ctx = evsel_context(evsel); | |
287 | ||
288 | total = avg_stats(&runtime_ll_cache_stats[ctx][cpu]); | |
289 | ||
290 | if (total) | |
291 | ratio = avg / total * 100.0; | |
292 | ||
293 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); | |
294 | ||
295 | fprintf(out, " # "); | |
296 | color_fprintf(out, color, "%6.2f%%", ratio); | |
297 | fprintf(out, " of all LL-cache hits "); | |
298 | } | |
299 | ||
300 | void perf_stat__print_shadow_stats(FILE *out, struct perf_evsel *evsel, | |
301 | double avg, int cpu, enum aggr_mode aggr) | |
302 | { | |
303 | double total, ratio = 0.0, total2; | |
304 | int ctx = evsel_context(evsel); | |
305 | ||
306 | if (perf_evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) { | |
307 | total = avg_stats(&runtime_cycles_stats[ctx][cpu]); | |
308 | if (total) { | |
309 | ratio = avg / total; | |
310 | fprintf(out, " # %5.2f insns per cycle ", ratio); | |
311 | } else { | |
312 | fprintf(out, " "); | |
313 | } | |
314 | total = avg_stats(&runtime_stalled_cycles_front_stats[ctx][cpu]); | |
315 | total = max(total, avg_stats(&runtime_stalled_cycles_back_stats[ctx][cpu])); | |
316 | ||
317 | if (total && avg) { | |
318 | ratio = total / avg; | |
319 | fprintf(out, "\n"); | |
320 | if (aggr == AGGR_NONE) | |
321 | fprintf(out, " "); | |
322 | fprintf(out, " # %5.2f stalled cycles per insn", ratio); | |
323 | } | |
324 | ||
325 | } else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES) && | |
326 | runtime_branches_stats[ctx][cpu].n != 0) { | |
327 | print_branch_misses(out, cpu, evsel, avg); | |
328 | } else if ( | |
329 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
330 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1D | | |
331 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
332 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
333 | runtime_l1_dcache_stats[ctx][cpu].n != 0) { | |
334 | print_l1_dcache_misses(out, cpu, evsel, avg); | |
335 | } else if ( | |
336 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
337 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1I | | |
338 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
339 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
340 | runtime_l1_icache_stats[ctx][cpu].n != 0) { | |
341 | print_l1_icache_misses(out, cpu, evsel, avg); | |
342 | } else if ( | |
343 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
344 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_DTLB | | |
345 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
346 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
347 | runtime_dtlb_cache_stats[ctx][cpu].n != 0) { | |
348 | print_dtlb_cache_misses(out, cpu, evsel, avg); | |
349 | } else if ( | |
350 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
351 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_ITLB | | |
352 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
353 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
354 | runtime_itlb_cache_stats[ctx][cpu].n != 0) { | |
355 | print_itlb_cache_misses(out, cpu, evsel, avg); | |
356 | } else if ( | |
357 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
358 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_LL | | |
359 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
360 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
361 | runtime_ll_cache_stats[ctx][cpu].n != 0) { | |
362 | print_ll_cache_misses(out, cpu, evsel, avg); | |
363 | } else if (perf_evsel__match(evsel, HARDWARE, HW_CACHE_MISSES) && | |
364 | runtime_cacherefs_stats[ctx][cpu].n != 0) { | |
365 | total = avg_stats(&runtime_cacherefs_stats[ctx][cpu]); | |
366 | ||
367 | if (total) | |
368 | ratio = avg * 100 / total; | |
369 | ||
370 | fprintf(out, " # %8.3f %% of all cache refs ", ratio); | |
371 | ||
372 | } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) { | |
373 | print_stalled_cycles_frontend(out, cpu, evsel, avg); | |
374 | } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) { | |
375 | print_stalled_cycles_backend(out, cpu, evsel, avg); | |
376 | } else if (perf_evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) { | |
377 | total = avg_stats(&runtime_nsecs_stats[cpu]); | |
378 | ||
379 | if (total) { | |
380 | ratio = avg / total; | |
381 | fprintf(out, " # %8.3f GHz ", ratio); | |
382 | } else { | |
383 | fprintf(out, " "); | |
384 | } | |
385 | } else if (perf_stat_evsel__is(evsel, CYCLES_IN_TX)) { | |
386 | total = avg_stats(&runtime_cycles_stats[ctx][cpu]); | |
387 | if (total) | |
388 | fprintf(out, | |
389 | " # %5.2f%% transactional cycles ", | |
390 | 100.0 * (avg / total)); | |
391 | } else if (perf_stat_evsel__is(evsel, CYCLES_IN_TX_CP)) { | |
392 | total = avg_stats(&runtime_cycles_stats[ctx][cpu]); | |
393 | total2 = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]); | |
394 | if (total2 < avg) | |
395 | total2 = avg; | |
396 | if (total) | |
397 | fprintf(out, | |
398 | " # %5.2f%% aborted cycles ", | |
399 | 100.0 * ((total2-avg) / total)); | |
400 | } else if (perf_stat_evsel__is(evsel, TRANSACTION_START) && | |
f87027b9 JO |
401 | runtime_cycles_in_tx_stats[ctx][cpu].n != 0) { |
402 | total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]); | |
403 | ||
54976285 | 404 | if (avg) |
f87027b9 JO |
405 | ratio = total / avg; |
406 | ||
407 | fprintf(out, " # %8.0f cycles / transaction ", ratio); | |
408 | } else if (perf_stat_evsel__is(evsel, ELISION_START) && | |
f87027b9 JO |
409 | runtime_cycles_in_tx_stats[ctx][cpu].n != 0) { |
410 | total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]); | |
411 | ||
54976285 | 412 | if (avg) |
f87027b9 JO |
413 | ratio = total / avg; |
414 | ||
415 | fprintf(out, " # %8.0f cycles / elision ", ratio); | |
416 | } else if (runtime_nsecs_stats[cpu].n != 0) { | |
417 | char unit = 'M'; | |
418 | ||
419 | total = avg_stats(&runtime_nsecs_stats[cpu]); | |
420 | ||
421 | if (total) | |
422 | ratio = 1000.0 * avg / total; | |
423 | if (ratio < 0.001) { | |
424 | ratio *= 1000; | |
425 | unit = 'K'; | |
426 | } | |
427 | ||
428 | fprintf(out, " # %8.3f %c/sec ", ratio, unit); | |
429 | } else { | |
430 | fprintf(out, " "); | |
431 | } | |
432 | } |