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
 
 
 
 
 
 
 
 
 
 
 19struct stats walltime_nsecs_stats;
 20struct rusage_stats ru_stats;
 21
 22enum {
 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
 31enum 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
 55static 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
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 73void 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
 79static 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
139static 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
153static 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		aggr = &cur->stats->aggr[aggr_idx];
180		if (type == STAT_NSECS)
181			return aggr->counts.val;
182		return aggr->counts.val * cur->scale;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
183	}
184	return 0.0;
185}
186
187static void print_ratio(struct perf_stat_config *config,
188			const struct evsel *evsel, int aggr_idx,
189			double numerator, struct perf_stat_output_ctx *out,
190			enum stat_type denominator_type,
191			const double color_ratios[3], const char *unit)
192{
193	double denominator = find_stat(evsel, aggr_idx, denominator_type);
194
195	if (numerator && denominator) {
196		double ratio = numerator / denominator * 100.0;
197		const char *color = get_ratio_color(color_ratios, ratio);
198
199		out->print_metric(config, out->ctx, color, "%7.2f%%", unit, ratio);
200	} else
201		out->print_metric(config, out->ctx, NULL, NULL, unit, 0);
202}
203
204static void print_stalled_cycles_front(struct perf_stat_config *config,
205				const struct evsel *evsel,
206				int aggr_idx, double stalled,
207				struct perf_stat_output_ctx *out)
208{
209	static const double color_ratios[3] = {50.0, 30.0, 10.0};
 
 
 
 
210
211	print_ratio(config, evsel, aggr_idx, stalled, out, STAT_CYCLES, color_ratios,
212		    "frontend cycles idle");
213}
214
215static void print_stalled_cycles_back(struct perf_stat_config *config,
216				const struct evsel *evsel,
217				int aggr_idx, double stalled,
218				struct perf_stat_output_ctx *out)
 
219{
220	static const double color_ratios[3] = {75.0, 50.0, 20.0};
 
 
 
 
 
 
 
 
 
221
222	print_ratio(config, evsel, aggr_idx, stalled, out, STAT_CYCLES, color_ratios,
223		    "backend cycles idle");
 
 
 
224}
225
226static void print_branch_miss(struct perf_stat_config *config,
227			const struct evsel *evsel,
228			int aggr_idx, double misses,
229			struct perf_stat_output_ctx *out)
 
230{
231	static const double color_ratios[3] = {20.0, 10.0, 5.0};
 
 
 
 
 
 
 
232
233	print_ratio(config, evsel, aggr_idx, misses, out, STAT_BRANCHES, color_ratios,
234		    "of all branches");
 
235}
236
237static void print_l1d_miss(struct perf_stat_config *config,
238			const struct evsel *evsel,
239			int aggr_idx, double misses,
240			struct perf_stat_output_ctx *out)
 
 
241{
242	static const double color_ratios[3] = {20.0, 10.0, 5.0};
 
 
 
 
 
 
 
243
244	print_ratio(config, evsel, aggr_idx, misses, out, STAT_L1_DCACHE, color_ratios,
245		    "of all L1-dcache accesses");
 
246}
247
248static void print_l1i_miss(struct perf_stat_config *config,
249			const struct evsel *evsel,
250			int aggr_idx, double misses,
251			struct perf_stat_output_ctx *out)
 
 
 
252{
253	static const double color_ratios[3] = {20.0, 10.0, 5.0};
 
 
 
 
254
255	print_ratio(config, evsel, aggr_idx, misses, out, STAT_L1_ICACHE, color_ratios,
256		    "of all L1-icache accesses");
 
 
 
 
257}
258
259static void print_ll_miss(struct perf_stat_config *config,
260			const struct evsel *evsel,
261			int aggr_idx, double misses,
262			struct perf_stat_output_ctx *out)
 
 
 
263{
264	static const double color_ratios[3] = {20.0, 10.0, 5.0};
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
265
266	print_ratio(config, evsel, aggr_idx, misses, out, STAT_LL_CACHE, color_ratios,
267		    "of all LL-cache accesses");
 
 
 
268}
269
270static void print_dtlb_miss(struct perf_stat_config *config,
271			const struct evsel *evsel,
272			int aggr_idx, double misses,
273			struct perf_stat_output_ctx *out)
274{
275	static const double color_ratios[3] = {20.0, 10.0, 5.0};
276
277	print_ratio(config, evsel, aggr_idx, misses, out, STAT_DTLB_CACHE, color_ratios,
278		    "of all dTLB cache accesses");
279}
280
281static void print_itlb_miss(struct perf_stat_config *config,
282			const struct evsel *evsel,
283			int aggr_idx, double misses,
284			struct perf_stat_output_ctx *out)
285{
286	static const double color_ratios[3] = {20.0, 10.0, 5.0};
 
 
 
 
 
 
287
288	print_ratio(config, evsel, aggr_idx, misses, out, STAT_ITLB_CACHE, color_ratios,
289		    "of all iTLB cache accesses");
 
 
290}
291
292static void print_cache_miss(struct perf_stat_config *config,
293			const struct evsel *evsel,
294			int aggr_idx, double misses,
295			struct perf_stat_output_ctx *out)
296{
297	static const double color_ratios[3] = {20.0, 10.0, 5.0};
 
 
 
298
299	print_ratio(config, evsel, aggr_idx, misses, out, STAT_CACHE_REFS, color_ratios,
300		    "of all cache refs");
 
301}
302
303static void print_instructions(struct perf_stat_config *config,
304			const struct evsel *evsel,
305			int aggr_idx, double instructions,
306			struct perf_stat_output_ctx *out)
307{
308	print_metric_t print_metric = out->print_metric;
309	void *ctxp = out->ctx;
310	double cycles = find_stat(evsel, aggr_idx, STAT_CYCLES);
311	double max_stalled = max(find_stat(evsel, aggr_idx, STAT_STALLED_CYCLES_FRONT),
312				find_stat(evsel, aggr_idx, STAT_STALLED_CYCLES_BACK));
313
314	if (cycles) {
315		print_metric(config, ctxp, NULL, "%7.2f ", "insn per cycle",
316			instructions / cycles);
317	} else
318		print_metric(config, ctxp, NULL, NULL, "insn per cycle", 0);
319
320	if (max_stalled && instructions) {
321		out->new_line(config, ctxp);
322		print_metric(config, ctxp, NULL, "%7.2f ", "stalled cycles per insn",
323			max_stalled / instructions);
324	}
 
 
 
325}
326
327static void print_cycles(struct perf_stat_config *config,
328			const struct evsel *evsel,
329			int aggr_idx, double cycles,
330			struct perf_stat_output_ctx *out)
331{
332	double nsecs = find_stat(evsel, aggr_idx, STAT_NSECS);
 
 
333
334	if (cycles && nsecs) {
335		double ratio = cycles / nsecs;
 
336
337		out->print_metric(config, out->ctx, NULL, "%8.3f", "GHz", ratio);
338	} else
339		out->print_metric(config, out->ctx, NULL, NULL, "GHz", 0);
340}
341
342static void print_nsecs(struct perf_stat_config *config,
343			const struct evsel *evsel,
344			int aggr_idx __maybe_unused, double nsecs,
345			struct perf_stat_output_ctx *out)
346{
347	print_metric_t print_metric = out->print_metric;
348	void *ctxp = out->ctx;
349	double wall_time = avg_stats(&walltime_nsecs_stats);
350
351	if (wall_time) {
352		print_metric(config, ctxp, NULL, "%8.3f", "CPUs utilized",
353			nsecs / (wall_time * evsel->scale));
354	} else
355		print_metric(config, ctxp, NULL, NULL, "CPUs utilized", 0);
356}
357
358static int prepare_metric(const struct metric_expr *mexp,
359			  const struct evsel *evsel,
360			  struct expr_parse_ctx *pctx,
361			  int aggr_idx)
 
362{
363	struct evsel * const *metric_events = mexp->metric_events;
364	struct metric_ref *metric_refs = mexp->metric_refs;
365	int i;
366
 
367	for (i = 0; metric_events[i]; i++) {
368		char *n;
369		double val;
370		int source_count = 0;
371
372		if (evsel__is_tool(metric_events[i])) {
373			struct stats *stats;
374			double scale;
375
376			switch (metric_events[i]->tool_event) {
377			case PERF_TOOL_DURATION_TIME:
378				stats = &walltime_nsecs_stats;
379				scale = 1e-9;
380				break;
381			case PERF_TOOL_USER_TIME:
382				stats = &ru_stats.ru_utime_usec_stat;
383				scale = 1e-6;
384				break;
385			case PERF_TOOL_SYSTEM_TIME:
386				stats = &ru_stats.ru_stime_usec_stat;
387				scale = 1e-6;
388				break;
389			case PERF_TOOL_NONE:
390				pr_err("Invalid tool event 'none'");
391				abort();
392			case PERF_TOOL_MAX:
393				pr_err("Invalid tool event 'max'");
394				abort();
395			default:
396				pr_err("Unknown tool event '%s'", evsel__name(metric_events[i]));
397				abort();
398			}
399			val = avg_stats(stats) * scale;
400			source_count = 1;
401		} else {
402			struct perf_stat_evsel *ps = metric_events[i]->stats;
403			struct perf_stat_aggr *aggr;
404
405			/*
406			 * If there are multiple uncore PMUs and we're not
407			 * reading the leader's stats, determine the stats for
408			 * the appropriate uncore PMU.
409			 */
410			if (evsel && evsel->metric_leader &&
411			    evsel->pmu != evsel->metric_leader->pmu &&
412			    mexp->metric_events[i]->pmu == evsel->metric_leader->pmu) {
413				struct evsel *pos;
414
415				evlist__for_each_entry(evsel->evlist, pos) {
416					if (pos->pmu != evsel->pmu)
417						continue;
418					if (pos->metric_leader != mexp->metric_events[i])
419						continue;
420					ps = pos->stats;
421					source_count = 1;
422					break;
423				}
424			}
425			aggr = &ps->aggr[aggr_idx];
426			if (!aggr)
427				break;
 
 
428
429			if (!metric_events[i]->supported) {
430				/*
431				 * Not supported events will have a count of 0,
432				 * which can be confusing in a
433				 * metric. Explicitly set the value to NAN. Not
434				 * counted events (enable time of 0) are read as
435				 * 0.
436				 */
437				val = NAN;
438				source_count = 0;
439			} else {
440				val = aggr->counts.val;
441				if (!source_count)
442					source_count = evsel__source_count(metric_events[i]);
443			}
444		}
445		n = strdup(evsel__metric_id(metric_events[i]));
 
446		if (!n)
447			return -ENOMEM;
448
449		expr__add_id_val_source_count(pctx, n, val, source_count);
 
 
 
 
 
 
 
 
 
 
 
450	}
451
452	for (int j = 0; metric_refs && metric_refs[j].metric_name; j++) {
453		int ret = expr__add_ref(pctx, &metric_refs[j]);
454
455		if (ret)
456			return ret;
457	}
458
459	return i;
460}
461
462static void generic_metric(struct perf_stat_config *config,
463			   struct metric_expr *mexp,
464			   struct evsel *evsel,
465			   int aggr_idx,
466			   struct perf_stat_output_ctx *out)
 
 
 
 
 
 
467{
468	print_metric_t print_metric = out->print_metric;
469	const char *metric_name = mexp->metric_name;
470	const char *metric_expr = mexp->metric_expr;
471	const char *metric_threshold = mexp->metric_threshold;
472	const char *metric_unit = mexp->metric_unit;
473	struct evsel * const *metric_events = mexp->metric_events;
474	int runtime = mexp->runtime;
475	struct expr_parse_ctx *pctx;
476	double ratio, scale, threshold;
477	int i;
478	void *ctxp = out->ctx;
479	const char *color = NULL;
480
481	pctx = expr__ctx_new();
482	if (!pctx)
483		return;
484
485	if (config->user_requested_cpu_list)
486		pctx->sctx.user_requested_cpu_list = strdup(config->user_requested_cpu_list);
487	pctx->sctx.runtime = runtime;
488	pctx->sctx.system_wide = config->system_wide;
489	i = prepare_metric(mexp, evsel, pctx, aggr_idx);
490	if (i < 0) {
491		expr__ctx_free(pctx);
492		return;
493	}
494	if (!metric_events[i]) {
495		if (expr__parse(&ratio, pctx, metric_expr) == 0) {
496			char *unit;
497			char metric_bf[64];
498
499			if (metric_threshold &&
500			    expr__parse(&threshold, pctx, metric_threshold) == 0 &&
501			    !isnan(threshold)) {
502				color = fpclassify(threshold) == FP_ZERO
503					? PERF_COLOR_GREEN : PERF_COLOR_RED;
504			}
505
506			if (metric_unit && metric_name) {
507				if (perf_pmu__convert_scale(metric_unit,
508					&unit, &scale) >= 0) {
509					ratio *= scale;
510				}
511				if (strstr(metric_expr, "?"))
512					scnprintf(metric_bf, sizeof(metric_bf),
513					  "%s  %s_%d", unit, metric_name, runtime);
514				else
515					scnprintf(metric_bf, sizeof(metric_bf),
516					  "%s  %s", unit, metric_name);
517
518				print_metric(config, ctxp, color, "%8.1f",
519					     metric_bf, ratio);
520			} else {
521				print_metric(config, ctxp, color, "%8.2f",
522					metric_name ?
523					metric_name :
524					out->force_header ?  evsel->name : "",
525					ratio);
526			}
527		} else {
528			print_metric(config, ctxp, color, /*unit=*/NULL,
529				     out->force_header ?
530				     (metric_name ?: evsel->name) : "", 0);
531		}
532	} else {
533		print_metric(config, ctxp, color, /*unit=*/NULL,
534			     out->force_header ?
535			     (metric_name ?: evsel->name) : "", 0);
536	}
537
538	expr__ctx_free(pctx);
539}
540
541double test_generic_metric(struct metric_expr *mexp, int aggr_idx)
542{
543	struct expr_parse_ctx *pctx;
544	double ratio = 0.0;
545
546	pctx = expr__ctx_new();
547	if (!pctx)
548		return NAN;
549
550	if (prepare_metric(mexp, /*evsel=*/NULL, pctx, aggr_idx) < 0)
551		goto out;
552
553	if (expr__parse(&ratio, pctx, mexp->metric_expr))
554		ratio = 0.0;
555
556out:
557	expr__ctx_free(pctx);
558	return ratio;
559}
560
561static void perf_stat__print_metricgroup_header(struct perf_stat_config *config,
562						struct evsel *evsel,
563						void *ctxp,
564						const char *name,
565						struct perf_stat_output_ctx *out)
566{
567	bool need_full_name = perf_pmus__num_core_pmus() > 1;
568	static const char *last_name;
569	static const char *last_pmu;
570	char full_name[64];
571
572	/*
573	 * A metricgroup may have several metric events,
574	 * e.g.,TopdownL1 on e-core of ADL.
575	 * The name has been output by the first metric
576	 * event. Only align with other metics from
577	 * different metric events.
578	 */
579	if (last_name && !strcmp(last_name, name)) {
580		if (!need_full_name || !strcmp(last_pmu, evsel->pmu_name)) {
581			out->print_metricgroup_header(config, ctxp, NULL);
582			return;
583		}
584	}
585
586	if (need_full_name)
587		scnprintf(full_name, sizeof(full_name), "%s (%s)", name, evsel->pmu_name);
588	else
589		scnprintf(full_name, sizeof(full_name), "%s", name);
590
591	out->print_metricgroup_header(config, ctxp, full_name);
592
593	last_name = name;
594	last_pmu = evsel->pmu_name;
595}
596
597/**
598 * perf_stat__print_shadow_stats_metricgroup - Print out metrics associated with the evsel
599 *					       For the non-default, all metrics associated
600 *					       with the evsel are printed.
601 *					       For the default mode, only the metrics from
602 *					       the same metricgroup and the name of the
603 *					       metricgroup are printed. To print the metrics
604 *					       from the next metricgroup (if available),
605 *					       invoke the function with correspoinding
606 *					       metric_expr.
607 */
608void *perf_stat__print_shadow_stats_metricgroup(struct perf_stat_config *config,
609						struct evsel *evsel,
610						int aggr_idx,
611						int *num,
612						void *from,
613						struct perf_stat_output_ctx *out,
614						struct rblist *metric_events)
615{
616	struct metric_event *me;
617	struct metric_expr *mexp = from;
618	void *ctxp = out->ctx;
619	bool header_printed = false;
620	const char *name = NULL;
621
622	me = metricgroup__lookup(metric_events, evsel, false);
623	if (me == NULL)
624		return NULL;
625
626	if (!mexp)
627		mexp = list_first_entry(&me->head, typeof(*mexp), nd);
628
629	list_for_each_entry_from(mexp, &me->head, nd) {
630		/* Print the display name of the Default metricgroup */
631		if (!config->metric_only && me->is_default) {
632			if (!name)
633				name = mexp->default_metricgroup_name;
634			/*
635			 * Two or more metricgroup may share the same metric
636			 * event, e.g., TopdownL1 and TopdownL2 on SPR.
637			 * Return and print the prefix, e.g., noise, running
638			 * for the next metricgroup.
639			 */
640			if (strcmp(name, mexp->default_metricgroup_name))
641				return (void *)mexp;
642			/* Only print the name of the metricgroup once */
643			if (!header_printed) {
644				header_printed = true;
645				perf_stat__print_metricgroup_header(config, evsel, ctxp,
646								    name, out);
647			}
648		}
649
650		if ((*num)++ > 0)
651			out->new_line(config, ctxp);
652		generic_metric(config, mexp, evsel, aggr_idx, out);
653	}
654
655	return NULL;
656}
 
657
658void perf_stat__print_shadow_stats(struct perf_stat_config *config,
659				   struct evsel *evsel,
660				   double avg, int aggr_idx,
661				   struct perf_stat_output_ctx *out,
662				   struct rblist *metric_events)
663{
664	typedef void (*stat_print_function_t)(struct perf_stat_config *config,
665					const struct evsel *evsel,
666					int aggr_idx, double misses,
667					struct perf_stat_output_ctx *out);
668	static const stat_print_function_t stat_print_function[STAT_MAX] = {
669		[STAT_INSTRUCTIONS] = print_instructions,
670		[STAT_BRANCH_MISS] = print_branch_miss,
671		[STAT_L1D_MISS] = print_l1d_miss,
672		[STAT_L1I_MISS] = print_l1i_miss,
673		[STAT_DTLB_MISS] = print_dtlb_miss,
674		[STAT_ITLB_MISS] = print_itlb_miss,
675		[STAT_LL_MISS] = print_ll_miss,
676		[STAT_CACHE_MISSES] = print_cache_miss,
677		[STAT_STALLED_CYCLES_FRONT] = print_stalled_cycles_front,
678		[STAT_STALLED_CYCLES_BACK] = print_stalled_cycles_back,
679		[STAT_CYCLES] = print_cycles,
680		[STAT_NSECS] = print_nsecs,
681	};
682	print_metric_t print_metric = out->print_metric;
683	void *ctxp = out->ctx;
684	int num = 1;
685
686	if (config->iostat_run) {
687		iostat_print_metric(config, evsel, out);
688	} else {
689		stat_print_function_t fn = stat_print_function[evsel__stat_type(evsel)];
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
690
691		if (fn)
692			fn(config, evsel, aggr_idx, avg, out);
693		else {
694			double nsecs =	find_stat(evsel, aggr_idx, STAT_NSECS);
695
696			if (nsecs) {
697				char unit = ' ';
698				char unit_buf[10] = "/sec";
699				double ratio = convert_unit_double(1000000000.0 * avg / nsecs,
700								   &unit);
701
702				if (unit != ' ')
703					snprintf(unit_buf, sizeof(unit_buf), "%c/sec", unit);
704				print_metric(config, ctxp, NULL, "%8.3f", unit_buf, ratio);
705			} else
706				num = 0;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
707		}
 
 
 
 
 
 
708	}
709
710	perf_stat__print_shadow_stats_metricgroup(config, evsel, aggr_idx,
711						  &num, NULL, out, metric_events);
712
 
 
 
 
 
 
 
 
713	if (num == 0)
714		print_metric(config, ctxp, NULL, NULL, NULL, 0);
715}
716
717/**
718 * perf_stat__skip_metric_event - Skip the evsel in the Default metricgroup,
719 *				  if it's not running or not the metric event.
720 */
721bool perf_stat__skip_metric_event(struct evsel *evsel,
722				  struct rblist *metric_events,
723				  u64 ena, u64 run)
724{
725	if (!evsel->default_metricgroup)
726		return false;
727
728	if (!ena || !run)
729		return true;
730
731	return !metricgroup__lookup(metric_events, evsel, false);
732}