1 // SPDX-License-Identifier: GPL-2.0
2 #include <math.h>
3 #include <stdio.h>
4 #include "evsel.h"
5 #include "stat.h"
6 #include "color.h"
7 #include "debug.h"
8 #include "pmu.h"
9 #include "rblist.h"
10 #include "evlist.h"
11 #include "expr.h"
12 #include "metricgroup.h"
13 #include "cgroup.h"
14 #include "units.h"
15 #include <linux/zalloc.h>
16 #include "iostat.h"
17 #include "util/hashmap.h"
18
19 struct stats walltime_nsecs_stats;
20 struct rusage_stats ru_stats;
21
22 enum {
23 CTX_BIT_USER = 1 << 0,
24 CTX_BIT_KERNEL = 1 << 1,
25 CTX_BIT_HV = 1 << 2,
26 CTX_BIT_HOST = 1 << 3,
27 CTX_BIT_IDLE = 1 << 4,
28 CTX_BIT_MAX = 1 << 5,
29 };
30
31 enum stat_type {
32 STAT_NONE = 0,
33 STAT_NSECS,
34 STAT_CYCLES,
35 STAT_INSTRUCTIONS,
36 STAT_STALLED_CYCLES_FRONT,
37 STAT_STALLED_CYCLES_BACK,
38 STAT_BRANCHES,
39 STAT_BRANCH_MISS,
40 STAT_CACHE_REFS,
41 STAT_CACHE_MISSES,
42 STAT_L1_DCACHE,
43 STAT_L1_ICACHE,
44 STAT_LL_CACHE,
45 STAT_ITLB_CACHE,
46 STAT_DTLB_CACHE,
47 STAT_L1D_MISS,
48 STAT_L1I_MISS,
49 STAT_LL_MISS,
50 STAT_DTLB_MISS,
51 STAT_ITLB_MISS,
52 STAT_MAX
53 };
54
evsel_context(const struct evsel * evsel)55 static int evsel_context(const struct evsel *evsel)
56 {
57 int ctx = 0;
58
59 if (evsel->core.attr.exclude_kernel)
60 ctx |= CTX_BIT_KERNEL;
61 if (evsel->core.attr.exclude_user)
62 ctx |= CTX_BIT_USER;
63 if (evsel->core.attr.exclude_hv)
64 ctx |= CTX_BIT_HV;
65 if (evsel->core.attr.exclude_host)
66 ctx |= CTX_BIT_HOST;
67 if (evsel->core.attr.exclude_idle)
68 ctx |= CTX_BIT_IDLE;
69
70 return ctx;
71 }
72
perf_stat__reset_shadow_stats(void)73 void perf_stat__reset_shadow_stats(void)
74 {
75 memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats));
76 memset(&ru_stats, 0, sizeof(ru_stats));
77 }
78
evsel__stat_type(const struct evsel * evsel)79 static enum stat_type evsel__stat_type(const struct evsel *evsel)
80 {
81 /* Fake perf_hw_cache_op_id values for use with evsel__match. */
82 u64 PERF_COUNT_hw_cache_l1d_miss = PERF_COUNT_HW_CACHE_L1D |
83 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
84 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16);
85 u64 PERF_COUNT_hw_cache_l1i_miss = PERF_COUNT_HW_CACHE_L1I |
86 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
87 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16);
88 u64 PERF_COUNT_hw_cache_ll_miss = PERF_COUNT_HW_CACHE_LL |
89 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
90 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16);
91 u64 PERF_COUNT_hw_cache_dtlb_miss = PERF_COUNT_HW_CACHE_DTLB |
92 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
93 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16);
94 u64 PERF_COUNT_hw_cache_itlb_miss = PERF_COUNT_HW_CACHE_ITLB |
95 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
96 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16);
97
98 if (evsel__is_clock(evsel))
99 return STAT_NSECS;
100 else if (evsel__match(evsel, HARDWARE, HW_CPU_CYCLES))
101 return STAT_CYCLES;
102 else if (evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS))
103 return STAT_INSTRUCTIONS;
104 else if (evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND))
105 return STAT_STALLED_CYCLES_FRONT;
106 else if (evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND))
107 return STAT_STALLED_CYCLES_BACK;
108 else if (evsel__match(evsel, HARDWARE, HW_BRANCH_INSTRUCTIONS))
109 return STAT_BRANCHES;
110 else if (evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES))
111 return STAT_BRANCH_MISS;
112 else if (evsel__match(evsel, HARDWARE, HW_CACHE_REFERENCES))
113 return STAT_CACHE_REFS;
114 else if (evsel__match(evsel, HARDWARE, HW_CACHE_MISSES))
115 return STAT_CACHE_MISSES;
116 else if (evsel__match(evsel, HW_CACHE, HW_CACHE_L1D))
117 return STAT_L1_DCACHE;
118 else if (evsel__match(evsel, HW_CACHE, HW_CACHE_L1I))
119 return STAT_L1_ICACHE;
120 else if (evsel__match(evsel, HW_CACHE, HW_CACHE_LL))
121 return STAT_LL_CACHE;
122 else if (evsel__match(evsel, HW_CACHE, HW_CACHE_DTLB))
123 return STAT_DTLB_CACHE;
124 else if (evsel__match(evsel, HW_CACHE, HW_CACHE_ITLB))
125 return STAT_ITLB_CACHE;
126 else if (evsel__match(evsel, HW_CACHE, hw_cache_l1d_miss))
127 return STAT_L1D_MISS;
128 else if (evsel__match(evsel, HW_CACHE, hw_cache_l1i_miss))
129 return STAT_L1I_MISS;
130 else if (evsel__match(evsel, HW_CACHE, hw_cache_ll_miss))
131 return STAT_LL_MISS;
132 else if (evsel__match(evsel, HW_CACHE, hw_cache_dtlb_miss))
133 return STAT_DTLB_MISS;
134 else if (evsel__match(evsel, HW_CACHE, hw_cache_itlb_miss))
135 return STAT_ITLB_MISS;
136 return STAT_NONE;
137 }
138
get_ratio_color(const double ratios[3],double val)139 static const char *get_ratio_color(const double ratios[3], double val)
140 {
141 const char *color = PERF_COLOR_NORMAL;
142
143 if (val > ratios[0])
144 color = PERF_COLOR_RED;
145 else if (val > ratios[1])
146 color = PERF_COLOR_MAGENTA;
147 else if (val > ratios[2])
148 color = PERF_COLOR_YELLOW;
149
150 return color;
151 }
152
find_stat(const struct evsel * evsel,int aggr_idx,enum stat_type type)153 static double find_stat(const struct evsel *evsel, int aggr_idx, enum stat_type type)
154 {
155 const struct evsel *cur;
156 int evsel_ctx = evsel_context(evsel);
157
158 evlist__for_each_entry(evsel->evlist, cur) {
159 struct perf_stat_aggr *aggr;
160
161 /* Ignore the evsel that is being searched from. */
162 if (evsel == cur)
163 continue;
164
165 /* Ignore evsels that are part of different groups. */
166 if (evsel->core.leader->nr_members > 1 &&
167 evsel->core.leader != cur->core.leader)
168 continue;
169 /* Ignore evsels with mismatched modifiers. */
170 if (evsel_ctx != evsel_context(cur))
171 continue;
172 /* Ignore if not the cgroup we're looking for. */
173 if (evsel->cgrp != cur->cgrp)
174 continue;
175 /* Ignore if not the stat we're looking for. */
176 if (type != evsel__stat_type(cur))
177 continue;
178
179 /*
180 * Except the SW CLOCK events,
181 * ignore if not the PMU we're looking for.
182 */
183 if ((type != STAT_NSECS) && (evsel->pmu != cur->pmu))
184 continue;
185
186 aggr = &cur->stats->aggr[aggr_idx];
187 if (type == STAT_NSECS)
188 return aggr->counts.val;
189 return aggr->counts.val * cur->scale;
190 }
191 return 0.0;
192 }
193
print_ratio(struct perf_stat_config * config,const struct evsel * evsel,int aggr_idx,double numerator,struct perf_stat_output_ctx * out,enum stat_type denominator_type,const double color_ratios[3],const char * unit)194 static void print_ratio(struct perf_stat_config *config,
195 const struct evsel *evsel, int aggr_idx,
196 double numerator, struct perf_stat_output_ctx *out,
197 enum stat_type denominator_type,
198 const double color_ratios[3], const char *unit)
199 {
200 double denominator = find_stat(evsel, aggr_idx, denominator_type);
201
202 if (numerator && denominator) {
203 double ratio = numerator / denominator * 100.0;
204 const char *color = get_ratio_color(color_ratios, ratio);
205
206 out->print_metric(config, out->ctx, color, "%7.2f%%", unit, ratio);
207 } else
208 out->print_metric(config, out->ctx, NULL, NULL, unit, 0);
209 }
210
print_stalled_cycles_front(struct perf_stat_config * config,const struct evsel * evsel,int aggr_idx,double stalled,struct perf_stat_output_ctx * out)211 static void print_stalled_cycles_front(struct perf_stat_config *config,
212 const struct evsel *evsel,
213 int aggr_idx, double stalled,
214 struct perf_stat_output_ctx *out)
215 {
216 static const double color_ratios[3] = {50.0, 30.0, 10.0};
217
218 print_ratio(config, evsel, aggr_idx, stalled, out, STAT_CYCLES, color_ratios,
219 "frontend cycles idle");
220 }
221
print_stalled_cycles_back(struct perf_stat_config * config,const struct evsel * evsel,int aggr_idx,double stalled,struct perf_stat_output_ctx * out)222 static void print_stalled_cycles_back(struct perf_stat_config *config,
223 const struct evsel *evsel,
224 int aggr_idx, double stalled,
225 struct perf_stat_output_ctx *out)
226 {
227 static const double color_ratios[3] = {75.0, 50.0, 20.0};
228
229 print_ratio(config, evsel, aggr_idx, stalled, out, STAT_CYCLES, color_ratios,
230 "backend cycles idle");
231 }
232
print_branch_miss(struct perf_stat_config * config,const struct evsel * evsel,int aggr_idx,double misses,struct perf_stat_output_ctx * out)233 static void print_branch_miss(struct perf_stat_config *config,
234 const struct evsel *evsel,
235 int aggr_idx, double misses,
236 struct perf_stat_output_ctx *out)
237 {
238 static const double color_ratios[3] = {20.0, 10.0, 5.0};
239
240 print_ratio(config, evsel, aggr_idx, misses, out, STAT_BRANCHES, color_ratios,
241 "of all branches");
242 }
243
print_l1d_miss(struct perf_stat_config * config,const struct evsel * evsel,int aggr_idx,double misses,struct perf_stat_output_ctx * out)244 static void print_l1d_miss(struct perf_stat_config *config,
245 const struct evsel *evsel,
246 int aggr_idx, double misses,
247 struct perf_stat_output_ctx *out)
248 {
249 static const double color_ratios[3] = {20.0, 10.0, 5.0};
250
251 print_ratio(config, evsel, aggr_idx, misses, out, STAT_L1_DCACHE, color_ratios,
252 "of all L1-dcache accesses");
253 }
254
print_l1i_miss(struct perf_stat_config * config,const struct evsel * evsel,int aggr_idx,double misses,struct perf_stat_output_ctx * out)255 static void print_l1i_miss(struct perf_stat_config *config,
256 const struct evsel *evsel,
257 int aggr_idx, double misses,
258 struct perf_stat_output_ctx *out)
259 {
260 static const double color_ratios[3] = {20.0, 10.0, 5.0};
261
262 print_ratio(config, evsel, aggr_idx, misses, out, STAT_L1_ICACHE, color_ratios,
263 "of all L1-icache accesses");
264 }
265
print_ll_miss(struct perf_stat_config * config,const struct evsel * evsel,int aggr_idx,double misses,struct perf_stat_output_ctx * out)266 static void print_ll_miss(struct perf_stat_config *config,
267 const struct evsel *evsel,
268 int aggr_idx, double misses,
269 struct perf_stat_output_ctx *out)
270 {
271 static const double color_ratios[3] = {20.0, 10.0, 5.0};
272
273 print_ratio(config, evsel, aggr_idx, misses, out, STAT_LL_CACHE, color_ratios,
274 "of all LL-cache accesses");
275 }
276
print_dtlb_miss(struct perf_stat_config * config,const struct evsel * evsel,int aggr_idx,double misses,struct perf_stat_output_ctx * out)277 static void print_dtlb_miss(struct perf_stat_config *config,
278 const struct evsel *evsel,
279 int aggr_idx, double misses,
280 struct perf_stat_output_ctx *out)
281 {
282 static const double color_ratios[3] = {20.0, 10.0, 5.0};
283
284 print_ratio(config, evsel, aggr_idx, misses, out, STAT_DTLB_CACHE, color_ratios,
285 "of all dTLB cache accesses");
286 }
287
print_itlb_miss(struct perf_stat_config * config,const struct evsel * evsel,int aggr_idx,double misses,struct perf_stat_output_ctx * out)288 static void print_itlb_miss(struct perf_stat_config *config,
289 const struct evsel *evsel,
290 int aggr_idx, double misses,
291 struct perf_stat_output_ctx *out)
292 {
293 static const double color_ratios[3] = {20.0, 10.0, 5.0};
294
295 print_ratio(config, evsel, aggr_idx, misses, out, STAT_ITLB_CACHE, color_ratios,
296 "of all iTLB cache accesses");
297 }
298
print_cache_miss(struct perf_stat_config * config,const struct evsel * evsel,int aggr_idx,double misses,struct perf_stat_output_ctx * out)299 static void print_cache_miss(struct perf_stat_config *config,
300 const struct evsel *evsel,
301 int aggr_idx, double misses,
302 struct perf_stat_output_ctx *out)
303 {
304 static const double color_ratios[3] = {20.0, 10.0, 5.0};
305
306 print_ratio(config, evsel, aggr_idx, misses, out, STAT_CACHE_REFS, color_ratios,
307 "of all cache refs");
308 }
309
print_instructions(struct perf_stat_config * config,const struct evsel * evsel,int aggr_idx,double instructions,struct perf_stat_output_ctx * out)310 static void print_instructions(struct perf_stat_config *config,
311 const struct evsel *evsel,
312 int aggr_idx, double instructions,
313 struct perf_stat_output_ctx *out)
314 {
315 print_metric_t print_metric = out->print_metric;
316 void *ctxp = out->ctx;
317 double cycles = find_stat(evsel, aggr_idx, STAT_CYCLES);
318 double max_stalled = max(find_stat(evsel, aggr_idx, STAT_STALLED_CYCLES_FRONT),
319 find_stat(evsel, aggr_idx, STAT_STALLED_CYCLES_BACK));
320
321 if (cycles) {
322 print_metric(config, ctxp, NULL, "%7.2f ", "insn per cycle",
323 instructions / cycles);
324 } else
325 print_metric(config, ctxp, NULL, NULL, "insn per cycle", 0);
326
327 if (max_stalled && instructions) {
328 out->new_line(config, ctxp);
329 print_metric(config, ctxp, NULL, "%7.2f ", "stalled cycles per insn",
330 max_stalled / instructions);
331 }
332 }
333
print_cycles(struct perf_stat_config * config,const struct evsel * evsel,int aggr_idx,double cycles,struct perf_stat_output_ctx * out)334 static void print_cycles(struct perf_stat_config *config,
335 const struct evsel *evsel,
336 int aggr_idx, double cycles,
337 struct perf_stat_output_ctx *out)
338 {
339 double nsecs = find_stat(evsel, aggr_idx, STAT_NSECS);
340
341 if (cycles && nsecs) {
342 double ratio = cycles / nsecs;
343
344 out->print_metric(config, out->ctx, NULL, "%8.3f", "GHz", ratio);
345 } else
346 out->print_metric(config, out->ctx, NULL, NULL, "GHz", 0);
347 }
348
print_nsecs(struct perf_stat_config * config,const struct evsel * evsel,int aggr_idx __maybe_unused,double nsecs,struct perf_stat_output_ctx * out)349 static void print_nsecs(struct perf_stat_config *config,
350 const struct evsel *evsel,
351 int aggr_idx __maybe_unused, double nsecs,
352 struct perf_stat_output_ctx *out)
353 {
354 print_metric_t print_metric = out->print_metric;
355 void *ctxp = out->ctx;
356 double wall_time = avg_stats(&walltime_nsecs_stats);
357
358 if (wall_time) {
359 print_metric(config, ctxp, NULL, "%8.3f", "CPUs utilized",
360 nsecs / (wall_time * evsel->scale));
361 } else
362 print_metric(config, ctxp, NULL, NULL, "CPUs utilized", 0);
363 }
364
prepare_metric(const struct metric_expr * mexp,const struct evsel * evsel,struct expr_parse_ctx * pctx,int aggr_idx)365 static int prepare_metric(const struct metric_expr *mexp,
366 const struct evsel *evsel,
367 struct expr_parse_ctx *pctx,
368 int aggr_idx)
369 {
370 struct evsel * const *metric_events = mexp->metric_events;
371 struct metric_ref *metric_refs = mexp->metric_refs;
372 int i;
373
374 for (i = 0; metric_events[i]; i++) {
375 char *n;
376 double val;
377 int source_count = 0;
378
379 if (evsel__is_tool(metric_events[i])) {
380 struct stats *stats;
381 double scale;
382
383 switch (evsel__tool_event(metric_events[i])) {
384 case PERF_TOOL_DURATION_TIME:
385 stats = &walltime_nsecs_stats;
386 scale = 1e-9;
387 break;
388 case PERF_TOOL_USER_TIME:
389 stats = &ru_stats.ru_utime_usec_stat;
390 scale = 1e-6;
391 break;
392 case PERF_TOOL_SYSTEM_TIME:
393 stats = &ru_stats.ru_stime_usec_stat;
394 scale = 1e-6;
395 break;
396 case PERF_TOOL_NONE:
397 pr_err("Invalid tool event 'none'");
398 abort();
399 case PERF_TOOL_MAX:
400 pr_err("Invalid tool event 'max'");
401 abort();
402 default:
403 pr_err("Unknown tool event '%s'", evsel__name(metric_events[i]));
404 abort();
405 }
406 val = avg_stats(stats) * scale;
407 source_count = 1;
408 } else {
409 struct perf_stat_evsel *ps = metric_events[i]->stats;
410 struct perf_stat_aggr *aggr;
411
412 /*
413 * If there are multiple uncore PMUs and we're not
414 * reading the leader's stats, determine the stats for
415 * the appropriate uncore PMU.
416 */
417 if (evsel && evsel->metric_leader &&
418 evsel->pmu != evsel->metric_leader->pmu &&
419 mexp->metric_events[i]->pmu == evsel->metric_leader->pmu) {
420 struct evsel *pos;
421
422 evlist__for_each_entry(evsel->evlist, pos) {
423 if (pos->pmu != evsel->pmu)
424 continue;
425 if (pos->metric_leader != mexp->metric_events[i])
426 continue;
427 ps = pos->stats;
428 source_count = 1;
429 break;
430 }
431 }
432 aggr = &ps->aggr[aggr_idx];
433 if (!aggr)
434 break;
435
436 if (!metric_events[i]->supported) {
437 /*
438 * Not supported events will have a count of 0,
439 * which can be confusing in a
440 * metric. Explicitly set the value to NAN. Not
441 * counted events (enable time of 0) are read as
442 * 0.
443 */
444 val = NAN;
445 source_count = 0;
446 } else {
447 val = aggr->counts.val;
448 if (!source_count)
449 source_count = evsel__source_count(metric_events[i]);
450 }
451 }
452 n = strdup(evsel__metric_id(metric_events[i]));
453 if (!n)
454 return -ENOMEM;
455
456 expr__add_id_val_source_count(pctx, n, val, source_count);
457 }
458
459 for (int j = 0; metric_refs && metric_refs[j].metric_name; j++) {
460 int ret = expr__add_ref(pctx, &metric_refs[j]);
461
462 if (ret)
463 return ret;
464 }
465
466 return i;
467 }
468
generic_metric(struct perf_stat_config * config,struct metric_expr * mexp,struct evsel * evsel,int aggr_idx,struct perf_stat_output_ctx * out)469 static void generic_metric(struct perf_stat_config *config,
470 struct metric_expr *mexp,
471 struct evsel *evsel,
472 int aggr_idx,
473 struct perf_stat_output_ctx *out)
474 {
475 print_metric_t print_metric = out->print_metric;
476 const char *metric_name = mexp->metric_name;
477 const char *metric_expr = mexp->metric_expr;
478 const char *metric_threshold = mexp->metric_threshold;
479 const char *metric_unit = mexp->metric_unit;
480 struct evsel * const *metric_events = mexp->metric_events;
481 int runtime = mexp->runtime;
482 struct expr_parse_ctx *pctx;
483 double ratio, scale, threshold;
484 int i;
485 void *ctxp = out->ctx;
486 const char *color = NULL;
487
488 pctx = expr__ctx_new();
489 if (!pctx)
490 return;
491
492 if (config->user_requested_cpu_list)
493 pctx->sctx.user_requested_cpu_list = strdup(config->user_requested_cpu_list);
494 pctx->sctx.runtime = runtime;
495 pctx->sctx.system_wide = config->system_wide;
496 i = prepare_metric(mexp, evsel, pctx, aggr_idx);
497 if (i < 0) {
498 expr__ctx_free(pctx);
499 return;
500 }
501 if (!metric_events[i]) {
502 if (expr__parse(&ratio, pctx, metric_expr) == 0) {
503 char *unit;
504 char metric_bf[64];
505
506 if (metric_threshold &&
507 expr__parse(&threshold, pctx, metric_threshold) == 0 &&
508 !isnan(threshold)) {
509 color = fpclassify(threshold) == FP_ZERO
510 ? PERF_COLOR_GREEN : PERF_COLOR_RED;
511 }
512
513 if (metric_unit && metric_name) {
514 if (perf_pmu__convert_scale(metric_unit,
515 &unit, &scale) >= 0) {
516 ratio *= scale;
517 }
518 if (strstr(metric_expr, "?"))
519 scnprintf(metric_bf, sizeof(metric_bf),
520 "%s %s_%d", unit, metric_name, runtime);
521 else
522 scnprintf(metric_bf, sizeof(metric_bf),
523 "%s %s", unit, metric_name);
524
525 print_metric(config, ctxp, color, "%8.1f",
526 metric_bf, ratio);
527 } else {
528 print_metric(config, ctxp, color, "%8.2f",
529 metric_name ?
530 metric_name :
531 out->force_header ? evsel->name : "",
532 ratio);
533 }
534 } else {
535 print_metric(config, ctxp, color, /*unit=*/NULL,
536 out->force_header ?
537 (metric_name ?: evsel->name) : "", 0);
538 }
539 } else {
540 print_metric(config, ctxp, color, /*unit=*/NULL,
541 out->force_header ?
542 (metric_name ?: evsel->name) : "", 0);
543 }
544
545 expr__ctx_free(pctx);
546 }
547
test_generic_metric(struct metric_expr * mexp,int aggr_idx)548 double test_generic_metric(struct metric_expr *mexp, int aggr_idx)
549 {
550 struct expr_parse_ctx *pctx;
551 double ratio = 0.0;
552
553 pctx = expr__ctx_new();
554 if (!pctx)
555 return NAN;
556
557 if (prepare_metric(mexp, /*evsel=*/NULL, pctx, aggr_idx) < 0)
558 goto out;
559
560 if (expr__parse(&ratio, pctx, mexp->metric_expr))
561 ratio = 0.0;
562
563 out:
564 expr__ctx_free(pctx);
565 return ratio;
566 }
567
perf_stat__print_metricgroup_header(struct perf_stat_config * config,struct evsel * evsel,void * ctxp,const char * name,struct perf_stat_output_ctx * out)568 static void perf_stat__print_metricgroup_header(struct perf_stat_config *config,
569 struct evsel *evsel,
570 void *ctxp,
571 const char *name,
572 struct perf_stat_output_ctx *out)
573 {
574 bool need_full_name = perf_pmus__num_core_pmus() > 1;
575 static const char *last_name;
576 static const char *last_pmu;
577 char full_name[64];
578
579 /*
580 * A metricgroup may have several metric events,
581 * e.g.,TopdownL1 on e-core of ADL.
582 * The name has been output by the first metric
583 * event. Only align with other metics from
584 * different metric events.
585 */
586 if (last_name && !strcmp(last_name, name)) {
587 if (!need_full_name || !strcmp(last_pmu, evsel->pmu_name)) {
588 out->print_metricgroup_header(config, ctxp, NULL);
589 return;
590 }
591 }
592
593 if (need_full_name)
594 scnprintf(full_name, sizeof(full_name), "%s (%s)", name, evsel->pmu_name);
595 else
596 scnprintf(full_name, sizeof(full_name), "%s", name);
597
598 out->print_metricgroup_header(config, ctxp, full_name);
599
600 last_name = name;
601 last_pmu = evsel->pmu_name;
602 }
603
604 /**
605 * perf_stat__print_shadow_stats_metricgroup - Print out metrics associated with the evsel
606 * For the non-default, all metrics associated
607 * with the evsel are printed.
608 * For the default mode, only the metrics from
609 * the same metricgroup and the name of the
610 * metricgroup are printed. To print the metrics
611 * from the next metricgroup (if available),
612 * invoke the function with correspoinding
613 * metric_expr.
614 */
perf_stat__print_shadow_stats_metricgroup(struct perf_stat_config * config,struct evsel * evsel,int aggr_idx,int * num,void * from,struct perf_stat_output_ctx * out,struct rblist * metric_events)615 void *perf_stat__print_shadow_stats_metricgroup(struct perf_stat_config *config,
616 struct evsel *evsel,
617 int aggr_idx,
618 int *num,
619 void *from,
620 struct perf_stat_output_ctx *out,
621 struct rblist *metric_events)
622 {
623 struct metric_event *me;
624 struct metric_expr *mexp = from;
625 void *ctxp = out->ctx;
626 bool header_printed = false;
627 const char *name = NULL;
628
629 me = metricgroup__lookup(metric_events, evsel, false);
630 if (me == NULL)
631 return NULL;
632
633 if (!mexp)
634 mexp = list_first_entry(&me->head, typeof(*mexp), nd);
635
636 list_for_each_entry_from(mexp, &me->head, nd) {
637 /* Print the display name of the Default metricgroup */
638 if (!config->metric_only && me->is_default) {
639 if (!name)
640 name = mexp->default_metricgroup_name;
641 /*
642 * Two or more metricgroup may share the same metric
643 * event, e.g., TopdownL1 and TopdownL2 on SPR.
644 * Return and print the prefix, e.g., noise, running
645 * for the next metricgroup.
646 */
647 if (strcmp(name, mexp->default_metricgroup_name))
648 return (void *)mexp;
649 /* Only print the name of the metricgroup once */
650 if (!header_printed) {
651 header_printed = true;
652 perf_stat__print_metricgroup_header(config, evsel, ctxp,
653 name, out);
654 }
655 }
656
657 if ((*num)++ > 0)
658 out->new_line(config, ctxp);
659 generic_metric(config, mexp, evsel, aggr_idx, out);
660 }
661
662 return NULL;
663 }
664
perf_stat__print_shadow_stats(struct perf_stat_config * config,struct evsel * evsel,double avg,int aggr_idx,struct perf_stat_output_ctx * out,struct rblist * metric_events)665 void perf_stat__print_shadow_stats(struct perf_stat_config *config,
666 struct evsel *evsel,
667 double avg, int aggr_idx,
668 struct perf_stat_output_ctx *out,
669 struct rblist *metric_events)
670 {
671 typedef void (*stat_print_function_t)(struct perf_stat_config *config,
672 const struct evsel *evsel,
673 int aggr_idx, double misses,
674 struct perf_stat_output_ctx *out);
675 static const stat_print_function_t stat_print_function[STAT_MAX] = {
676 [STAT_INSTRUCTIONS] = print_instructions,
677 [STAT_BRANCH_MISS] = print_branch_miss,
678 [STAT_L1D_MISS] = print_l1d_miss,
679 [STAT_L1I_MISS] = print_l1i_miss,
680 [STAT_DTLB_MISS] = print_dtlb_miss,
681 [STAT_ITLB_MISS] = print_itlb_miss,
682 [STAT_LL_MISS] = print_ll_miss,
683 [STAT_CACHE_MISSES] = print_cache_miss,
684 [STAT_STALLED_CYCLES_FRONT] = print_stalled_cycles_front,
685 [STAT_STALLED_CYCLES_BACK] = print_stalled_cycles_back,
686 [STAT_CYCLES] = print_cycles,
687 [STAT_NSECS] = print_nsecs,
688 };
689 print_metric_t print_metric = out->print_metric;
690 void *ctxp = out->ctx;
691 int num = 1;
692
693 if (config->iostat_run) {
694 iostat_print_metric(config, evsel, out);
695 } else {
696 stat_print_function_t fn = stat_print_function[evsel__stat_type(evsel)];
697
698 if (fn)
699 fn(config, evsel, aggr_idx, avg, out);
700 else {
701 double nsecs = find_stat(evsel, aggr_idx, STAT_NSECS);
702
703 if (nsecs) {
704 char unit = ' ';
705 char unit_buf[10] = "/sec";
706 double ratio = convert_unit_double(1000000000.0 * avg / nsecs,
707 &unit);
708
709 if (unit != ' ')
710 snprintf(unit_buf, sizeof(unit_buf), "%c/sec", unit);
711 print_metric(config, ctxp, NULL, "%8.3f", unit_buf, ratio);
712 } else
713 num = 0;
714 }
715 }
716
717 perf_stat__print_shadow_stats_metricgroup(config, evsel, aggr_idx,
718 &num, NULL, out, metric_events);
719
720 if (num == 0)
721 print_metric(config, ctxp, NULL, NULL, NULL, 0);
722 }
723
724 /**
725 * perf_stat__skip_metric_event - Skip the evsel in the Default metricgroup,
726 * if it's not running or not the metric event.
727 */
perf_stat__skip_metric_event(struct evsel * evsel,struct rblist * metric_events,u64 ena,u64 run)728 bool perf_stat__skip_metric_event(struct evsel *evsel,
729 struct rblist *metric_events,
730 u64 ena, u64 run)
731 {
732 if (!evsel->default_metricgroup)
733 return false;
734
735 if (!ena || !run)
736 return true;
737
738 return !metricgroup__lookup(metric_events, evsel, false);
739 }
740