summaryrefslogtreecommitdiffstats
path: root/tools/perf/util/stat-shadow.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /tools/perf/util/stat-shadow.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/util/stat-shadow.c')
-rw-r--r--tools/perf/util/stat-shadow.c716
1 files changed, 716 insertions, 0 deletions
diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
new file mode 100644
index 0000000000..e314261678
--- /dev/null
+++ b/tools/perf/util/stat-shadow.c
@@ -0,0 +1,716 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <math.h>
+#include <stdio.h>
+#include "evsel.h"
+#include "stat.h"
+#include "color.h"
+#include "debug.h"
+#include "pmu.h"
+#include "rblist.h"
+#include "evlist.h"
+#include "expr.h"
+#include "metricgroup.h"
+#include "cgroup.h"
+#include "units.h"
+#include <linux/zalloc.h>
+#include "iostat.h"
+#include "util/hashmap.h"
+
+struct stats walltime_nsecs_stats;
+struct rusage_stats ru_stats;
+
+enum {
+ CTX_BIT_USER = 1 << 0,
+ CTX_BIT_KERNEL = 1 << 1,
+ CTX_BIT_HV = 1 << 2,
+ CTX_BIT_HOST = 1 << 3,
+ CTX_BIT_IDLE = 1 << 4,
+ CTX_BIT_MAX = 1 << 5,
+};
+
+enum stat_type {
+ STAT_NONE = 0,
+ STAT_NSECS,
+ STAT_CYCLES,
+ STAT_INSTRUCTIONS,
+ STAT_STALLED_CYCLES_FRONT,
+ STAT_STALLED_CYCLES_BACK,
+ STAT_BRANCHES,
+ STAT_BRANCH_MISS,
+ STAT_CACHE_REFS,
+ STAT_CACHE_MISSES,
+ STAT_L1_DCACHE,
+ STAT_L1_ICACHE,
+ STAT_LL_CACHE,
+ STAT_ITLB_CACHE,
+ STAT_DTLB_CACHE,
+ STAT_L1D_MISS,
+ STAT_L1I_MISS,
+ STAT_LL_MISS,
+ STAT_DTLB_MISS,
+ STAT_ITLB_MISS,
+ STAT_MAX
+};
+
+static int evsel_context(const struct evsel *evsel)
+{
+ int ctx = 0;
+
+ if (evsel->core.attr.exclude_kernel)
+ ctx |= CTX_BIT_KERNEL;
+ if (evsel->core.attr.exclude_user)
+ ctx |= CTX_BIT_USER;
+ if (evsel->core.attr.exclude_hv)
+ ctx |= CTX_BIT_HV;
+ if (evsel->core.attr.exclude_host)
+ ctx |= CTX_BIT_HOST;
+ if (evsel->core.attr.exclude_idle)
+ ctx |= CTX_BIT_IDLE;
+
+ return ctx;
+}
+
+void perf_stat__reset_shadow_stats(void)
+{
+ memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats));
+ memset(&ru_stats, 0, sizeof(ru_stats));
+}
+
+static enum stat_type evsel__stat_type(const struct evsel *evsel)
+{
+ /* Fake perf_hw_cache_op_id values for use with evsel__match. */
+ u64 PERF_COUNT_hw_cache_l1d_miss = PERF_COUNT_HW_CACHE_L1D |
+ ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
+ ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16);
+ u64 PERF_COUNT_hw_cache_l1i_miss = PERF_COUNT_HW_CACHE_L1I |
+ ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
+ ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16);
+ u64 PERF_COUNT_hw_cache_ll_miss = PERF_COUNT_HW_CACHE_LL |
+ ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
+ ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16);
+ u64 PERF_COUNT_hw_cache_dtlb_miss = PERF_COUNT_HW_CACHE_DTLB |
+ ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
+ ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16);
+ u64 PERF_COUNT_hw_cache_itlb_miss = PERF_COUNT_HW_CACHE_ITLB |
+ ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
+ ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16);
+
+ if (evsel__is_clock(evsel))
+ return STAT_NSECS;
+ else if (evsel__match(evsel, HARDWARE, HW_CPU_CYCLES))
+ return STAT_CYCLES;
+ else if (evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS))
+ return STAT_INSTRUCTIONS;
+ else if (evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND))
+ return STAT_STALLED_CYCLES_FRONT;
+ else if (evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND))
+ return STAT_STALLED_CYCLES_BACK;
+ else if (evsel__match(evsel, HARDWARE, HW_BRANCH_INSTRUCTIONS))
+ return STAT_BRANCHES;
+ else if (evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES))
+ return STAT_BRANCH_MISS;
+ else if (evsel__match(evsel, HARDWARE, HW_CACHE_REFERENCES))
+ return STAT_CACHE_REFS;
+ else if (evsel__match(evsel, HARDWARE, HW_CACHE_MISSES))
+ return STAT_CACHE_MISSES;
+ else if (evsel__match(evsel, HW_CACHE, HW_CACHE_L1D))
+ return STAT_L1_DCACHE;
+ else if (evsel__match(evsel, HW_CACHE, HW_CACHE_L1I))
+ return STAT_L1_ICACHE;
+ else if (evsel__match(evsel, HW_CACHE, HW_CACHE_LL))
+ return STAT_LL_CACHE;
+ else if (evsel__match(evsel, HW_CACHE, HW_CACHE_DTLB))
+ return STAT_DTLB_CACHE;
+ else if (evsel__match(evsel, HW_CACHE, HW_CACHE_ITLB))
+ return STAT_ITLB_CACHE;
+ else if (evsel__match(evsel, HW_CACHE, hw_cache_l1d_miss))
+ return STAT_L1D_MISS;
+ else if (evsel__match(evsel, HW_CACHE, hw_cache_l1i_miss))
+ return STAT_L1I_MISS;
+ else if (evsel__match(evsel, HW_CACHE, hw_cache_ll_miss))
+ return STAT_LL_MISS;
+ else if (evsel__match(evsel, HW_CACHE, hw_cache_dtlb_miss))
+ return STAT_DTLB_MISS;
+ else if (evsel__match(evsel, HW_CACHE, hw_cache_itlb_miss))
+ return STAT_ITLB_MISS;
+ return STAT_NONE;
+}
+
+static const char *get_ratio_color(const double ratios[3], double val)
+{
+ const char *color = PERF_COLOR_NORMAL;
+
+ if (val > ratios[0])
+ color = PERF_COLOR_RED;
+ else if (val > ratios[1])
+ color = PERF_COLOR_MAGENTA;
+ else if (val > ratios[2])
+ color = PERF_COLOR_YELLOW;
+
+ return color;
+}
+
+static double find_stat(const struct evsel *evsel, int aggr_idx, enum stat_type type)
+{
+ const struct evsel *cur;
+ int evsel_ctx = evsel_context(evsel);
+
+ evlist__for_each_entry(evsel->evlist, cur) {
+ struct perf_stat_aggr *aggr;
+
+ /* Ignore the evsel that is being searched from. */
+ if (evsel == cur)
+ continue;
+
+ /* Ignore evsels that are part of different groups. */
+ if (evsel->core.leader->nr_members > 1 &&
+ evsel->core.leader != cur->core.leader)
+ continue;
+ /* Ignore evsels with mismatched modifiers. */
+ if (evsel_ctx != evsel_context(cur))
+ continue;
+ /* Ignore if not the cgroup we're looking for. */
+ if (evsel->cgrp != cur->cgrp)
+ continue;
+ /* Ignore if not the stat we're looking for. */
+ if (type != evsel__stat_type(cur))
+ continue;
+
+ aggr = &cur->stats->aggr[aggr_idx];
+ if (type == STAT_NSECS)
+ return aggr->counts.val;
+ return aggr->counts.val * cur->scale;
+ }
+ return 0.0;
+}
+
+static void 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)
+{
+ double denominator = find_stat(evsel, aggr_idx, denominator_type);
+
+ if (numerator && denominator) {
+ double ratio = numerator / denominator * 100.0;
+ const char *color = get_ratio_color(color_ratios, ratio);
+
+ out->print_metric(config, out->ctx, color, "%7.2f%%", unit, ratio);
+ } else
+ out->print_metric(config, out->ctx, NULL, NULL, unit, 0);
+}
+
+static void print_stalled_cycles_front(struct perf_stat_config *config,
+ const struct evsel *evsel,
+ int aggr_idx, double stalled,
+ struct perf_stat_output_ctx *out)
+{
+ static const double color_ratios[3] = {50.0, 30.0, 10.0};
+
+ print_ratio(config, evsel, aggr_idx, stalled, out, STAT_CYCLES, color_ratios,
+ "frontend cycles idle");
+}
+
+static void print_stalled_cycles_back(struct perf_stat_config *config,
+ const struct evsel *evsel,
+ int aggr_idx, double stalled,
+ struct perf_stat_output_ctx *out)
+{
+ static const double color_ratios[3] = {75.0, 50.0, 20.0};
+
+ print_ratio(config, evsel, aggr_idx, stalled, out, STAT_CYCLES, color_ratios,
+ "backend cycles idle");
+}
+
+static void print_branch_miss(struct perf_stat_config *config,
+ const struct evsel *evsel,
+ int aggr_idx, double misses,
+ struct perf_stat_output_ctx *out)
+{
+ static const double color_ratios[3] = {20.0, 10.0, 5.0};
+
+ print_ratio(config, evsel, aggr_idx, misses, out, STAT_BRANCHES, color_ratios,
+ "of all branches");
+}
+
+static void print_l1d_miss(struct perf_stat_config *config,
+ const struct evsel *evsel,
+ int aggr_idx, double misses,
+ struct perf_stat_output_ctx *out)
+{
+ static const double color_ratios[3] = {20.0, 10.0, 5.0};
+
+ print_ratio(config, evsel, aggr_idx, misses, out, STAT_L1_DCACHE, color_ratios,
+ "of all L1-dcache accesses");
+}
+
+static void print_l1i_miss(struct perf_stat_config *config,
+ const struct evsel *evsel,
+ int aggr_idx, double misses,
+ struct perf_stat_output_ctx *out)
+{
+ static const double color_ratios[3] = {20.0, 10.0, 5.0};
+
+ print_ratio(config, evsel, aggr_idx, misses, out, STAT_L1_ICACHE, color_ratios,
+ "of all L1-icache accesses");
+}
+
+static void print_ll_miss(struct perf_stat_config *config,
+ const struct evsel *evsel,
+ int aggr_idx, double misses,
+ struct perf_stat_output_ctx *out)
+{
+ static const double color_ratios[3] = {20.0, 10.0, 5.0};
+
+ print_ratio(config, evsel, aggr_idx, misses, out, STAT_LL_CACHE, color_ratios,
+ "of all LL-cache accesses");
+}
+
+static void print_dtlb_miss(struct perf_stat_config *config,
+ const struct evsel *evsel,
+ int aggr_idx, double misses,
+ struct perf_stat_output_ctx *out)
+{
+ static const double color_ratios[3] = {20.0, 10.0, 5.0};
+
+ print_ratio(config, evsel, aggr_idx, misses, out, STAT_DTLB_CACHE, color_ratios,
+ "of all dTLB cache accesses");
+}
+
+static void print_itlb_miss(struct perf_stat_config *config,
+ const struct evsel *evsel,
+ int aggr_idx, double misses,
+ struct perf_stat_output_ctx *out)
+{
+ static const double color_ratios[3] = {20.0, 10.0, 5.0};
+
+ print_ratio(config, evsel, aggr_idx, misses, out, STAT_ITLB_CACHE, color_ratios,
+ "of all iTLB cache accesses");
+}
+
+static void print_cache_miss(struct perf_stat_config *config,
+ const struct evsel *evsel,
+ int aggr_idx, double misses,
+ struct perf_stat_output_ctx *out)
+{
+ static const double color_ratios[3] = {20.0, 10.0, 5.0};
+
+ print_ratio(config, evsel, aggr_idx, misses, out, STAT_CACHE_REFS, color_ratios,
+ "of all cache refs");
+}
+
+static void print_instructions(struct perf_stat_config *config,
+ const struct evsel *evsel,
+ int aggr_idx, double instructions,
+ struct perf_stat_output_ctx *out)
+{
+ print_metric_t print_metric = out->print_metric;
+ void *ctxp = out->ctx;
+ double cycles = find_stat(evsel, aggr_idx, STAT_CYCLES);
+ double max_stalled = max(find_stat(evsel, aggr_idx, STAT_STALLED_CYCLES_FRONT),
+ find_stat(evsel, aggr_idx, STAT_STALLED_CYCLES_BACK));
+
+ if (cycles) {
+ print_metric(config, ctxp, NULL, "%7.2f ", "insn per cycle",
+ instructions / cycles);
+ } else
+ print_metric(config, ctxp, NULL, NULL, "insn per cycle", 0);
+
+ if (max_stalled && instructions) {
+ out->new_line(config, ctxp);
+ print_metric(config, ctxp, NULL, "%7.2f ", "stalled cycles per insn",
+ max_stalled / instructions);
+ }
+}
+
+static void print_cycles(struct perf_stat_config *config,
+ const struct evsel *evsel,
+ int aggr_idx, double cycles,
+ struct perf_stat_output_ctx *out)
+{
+ double nsecs = find_stat(evsel, aggr_idx, STAT_NSECS);
+
+ if (cycles && nsecs) {
+ double ratio = cycles / nsecs;
+
+ out->print_metric(config, out->ctx, NULL, "%8.3f", "GHz", ratio);
+ } else
+ out->print_metric(config, out->ctx, NULL, NULL, "GHz", 0);
+}
+
+static void print_nsecs(struct perf_stat_config *config,
+ const struct evsel *evsel,
+ int aggr_idx __maybe_unused, double nsecs,
+ struct perf_stat_output_ctx *out)
+{
+ print_metric_t print_metric = out->print_metric;
+ void *ctxp = out->ctx;
+ double wall_time = avg_stats(&walltime_nsecs_stats);
+
+ if (wall_time) {
+ print_metric(config, ctxp, NULL, "%8.3f", "CPUs utilized",
+ nsecs / (wall_time * evsel->scale));
+ } else
+ print_metric(config, ctxp, NULL, NULL, "CPUs utilized", 0);
+}
+
+static int prepare_metric(struct evsel **metric_events,
+ struct metric_ref *metric_refs,
+ struct expr_parse_ctx *pctx,
+ int aggr_idx)
+{
+ int i;
+
+ for (i = 0; metric_events[i]; i++) {
+ char *n;
+ double val;
+ int source_count = 0;
+
+ if (evsel__is_tool(metric_events[i])) {
+ struct stats *stats;
+ double scale;
+
+ switch (metric_events[i]->tool_event) {
+ case PERF_TOOL_DURATION_TIME:
+ stats = &walltime_nsecs_stats;
+ scale = 1e-9;
+ break;
+ case PERF_TOOL_USER_TIME:
+ stats = &ru_stats.ru_utime_usec_stat;
+ scale = 1e-6;
+ break;
+ case PERF_TOOL_SYSTEM_TIME:
+ stats = &ru_stats.ru_stime_usec_stat;
+ scale = 1e-6;
+ break;
+ case PERF_TOOL_NONE:
+ pr_err("Invalid tool event 'none'");
+ abort();
+ case PERF_TOOL_MAX:
+ pr_err("Invalid tool event 'max'");
+ abort();
+ default:
+ pr_err("Unknown tool event '%s'", evsel__name(metric_events[i]));
+ abort();
+ }
+ val = avg_stats(stats) * scale;
+ source_count = 1;
+ } else {
+ struct perf_stat_evsel *ps = metric_events[i]->stats;
+ struct perf_stat_aggr *aggr = &ps->aggr[aggr_idx];
+
+ if (!aggr)
+ break;
+
+ if (!metric_events[i]->supported) {
+ /*
+ * Not supported events will have a count of 0,
+ * which can be confusing in a
+ * metric. Explicitly set the value to NAN. Not
+ * counted events (enable time of 0) are read as
+ * 0.
+ */
+ val = NAN;
+ source_count = 0;
+ } else {
+ /*
+ * If an event was scaled during stat gathering,
+ * reverse the scale before computing the
+ * metric.
+ */
+ val = aggr->counts.val * (1.0 / metric_events[i]->scale);
+ source_count = evsel__source_count(metric_events[i]);
+ }
+ }
+ n = strdup(evsel__metric_id(metric_events[i]));
+ if (!n)
+ return -ENOMEM;
+
+ expr__add_id_val_source_count(pctx, n, val, source_count);
+ }
+
+ for (int j = 0; metric_refs && metric_refs[j].metric_name; j++) {
+ int ret = expr__add_ref(pctx, &metric_refs[j]);
+
+ if (ret)
+ return ret;
+ }
+
+ return i;
+}
+
+static void generic_metric(struct perf_stat_config *config,
+ const char *metric_expr,
+ const char *metric_threshold,
+ struct evsel **metric_events,
+ struct metric_ref *metric_refs,
+ char *name,
+ const char *metric_name,
+ const char *metric_unit,
+ int runtime,
+ int aggr_idx,
+ struct perf_stat_output_ctx *out)
+{
+ print_metric_t print_metric = out->print_metric;
+ struct expr_parse_ctx *pctx;
+ double ratio, scale, threshold;
+ int i;
+ void *ctxp = out->ctx;
+ const char *color = NULL;
+
+ pctx = expr__ctx_new();
+ if (!pctx)
+ return;
+
+ if (config->user_requested_cpu_list)
+ pctx->sctx.user_requested_cpu_list = strdup(config->user_requested_cpu_list);
+ pctx->sctx.runtime = runtime;
+ pctx->sctx.system_wide = config->system_wide;
+ i = prepare_metric(metric_events, metric_refs, pctx, aggr_idx);
+ if (i < 0) {
+ expr__ctx_free(pctx);
+ return;
+ }
+ if (!metric_events[i]) {
+ if (expr__parse(&ratio, pctx, metric_expr) == 0) {
+ char *unit;
+ char metric_bf[64];
+
+ if (metric_threshold &&
+ expr__parse(&threshold, pctx, metric_threshold) == 0 &&
+ !isnan(threshold)) {
+ color = fpclassify(threshold) == FP_ZERO
+ ? PERF_COLOR_GREEN : PERF_COLOR_RED;
+ }
+
+ if (metric_unit && metric_name) {
+ if (perf_pmu__convert_scale(metric_unit,
+ &unit, &scale) >= 0) {
+ ratio *= scale;
+ }
+ if (strstr(metric_expr, "?"))
+ scnprintf(metric_bf, sizeof(metric_bf),
+ "%s %s_%d", unit, metric_name, runtime);
+ else
+ scnprintf(metric_bf, sizeof(metric_bf),
+ "%s %s", unit, metric_name);
+
+ print_metric(config, ctxp, color, "%8.1f",
+ metric_bf, ratio);
+ } else {
+ print_metric(config, ctxp, color, "%8.2f",
+ metric_name ?
+ metric_name :
+ out->force_header ? name : "",
+ ratio);
+ }
+ } else {
+ print_metric(config, ctxp, color, /*unit=*/NULL,
+ out->force_header ?
+ (metric_name ? metric_name : name) : "", 0);
+ }
+ } else {
+ print_metric(config, ctxp, color, /*unit=*/NULL,
+ out->force_header ?
+ (metric_name ? metric_name : name) : "", 0);
+ }
+
+ expr__ctx_free(pctx);
+}
+
+double test_generic_metric(struct metric_expr *mexp, int aggr_idx)
+{
+ struct expr_parse_ctx *pctx;
+ double ratio = 0.0;
+
+ pctx = expr__ctx_new();
+ if (!pctx)
+ return NAN;
+
+ if (prepare_metric(mexp->metric_events, mexp->metric_refs, pctx, aggr_idx) < 0)
+ goto out;
+
+ if (expr__parse(&ratio, pctx, mexp->metric_expr))
+ ratio = 0.0;
+
+out:
+ expr__ctx_free(pctx);
+ return ratio;
+}
+
+static void perf_stat__print_metricgroup_header(struct perf_stat_config *config,
+ struct evsel *evsel,
+ void *ctxp,
+ const char *name,
+ struct perf_stat_output_ctx *out)
+{
+ bool need_full_name = perf_pmus__num_core_pmus() > 1;
+ static const char *last_name;
+ static const char *last_pmu;
+ char full_name[64];
+
+ /*
+ * A metricgroup may have several metric events,
+ * e.g.,TopdownL1 on e-core of ADL.
+ * The name has been output by the first metric
+ * event. Only align with other metics from
+ * different metric events.
+ */
+ if (last_name && !strcmp(last_name, name)) {
+ if (!need_full_name || !strcmp(last_pmu, evsel->pmu_name)) {
+ out->print_metricgroup_header(config, ctxp, NULL);
+ return;
+ }
+ }
+
+ if (need_full_name)
+ scnprintf(full_name, sizeof(full_name), "%s (%s)", name, evsel->pmu_name);
+ else
+ scnprintf(full_name, sizeof(full_name), "%s", name);
+
+ out->print_metricgroup_header(config, ctxp, full_name);
+
+ last_name = name;
+ last_pmu = evsel->pmu_name;
+}
+
+/**
+ * perf_stat__print_shadow_stats_metricgroup - Print out metrics associated with the evsel
+ * For the non-default, all metrics associated
+ * with the evsel are printed.
+ * For the default mode, only the metrics from
+ * the same metricgroup and the name of the
+ * metricgroup are printed. To print the metrics
+ * from the next metricgroup (if available),
+ * invoke the function with correspoinding
+ * metric_expr.
+ */
+void *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)
+{
+ struct metric_event *me;
+ struct metric_expr *mexp = from;
+ void *ctxp = out->ctx;
+ bool header_printed = false;
+ const char *name = NULL;
+
+ me = metricgroup__lookup(metric_events, evsel, false);
+ if (me == NULL)
+ return NULL;
+
+ if (!mexp)
+ mexp = list_first_entry(&me->head, typeof(*mexp), nd);
+
+ list_for_each_entry_from(mexp, &me->head, nd) {
+ /* Print the display name of the Default metricgroup */
+ if (!config->metric_only && me->is_default) {
+ if (!name)
+ name = mexp->default_metricgroup_name;
+ /*
+ * Two or more metricgroup may share the same metric
+ * event, e.g., TopdownL1 and TopdownL2 on SPR.
+ * Return and print the prefix, e.g., noise, running
+ * for the next metricgroup.
+ */
+ if (strcmp(name, mexp->default_metricgroup_name))
+ return (void *)mexp;
+ /* Only print the name of the metricgroup once */
+ if (!header_printed) {
+ header_printed = true;
+ perf_stat__print_metricgroup_header(config, evsel, ctxp,
+ name, out);
+ }
+ }
+
+ if ((*num)++ > 0)
+ out->new_line(config, ctxp);
+ generic_metric(config, mexp->metric_expr, mexp->metric_threshold,
+ mexp->metric_events, mexp->metric_refs, evsel->name,
+ mexp->metric_name, mexp->metric_unit, mexp->runtime,
+ aggr_idx, out);
+ }
+
+ return NULL;
+}
+
+void 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)
+{
+ typedef void (*stat_print_function_t)(struct perf_stat_config *config,
+ const struct evsel *evsel,
+ int aggr_idx, double misses,
+ struct perf_stat_output_ctx *out);
+ static const stat_print_function_t stat_print_function[STAT_MAX] = {
+ [STAT_INSTRUCTIONS] = print_instructions,
+ [STAT_BRANCH_MISS] = print_branch_miss,
+ [STAT_L1D_MISS] = print_l1d_miss,
+ [STAT_L1I_MISS] = print_l1i_miss,
+ [STAT_DTLB_MISS] = print_dtlb_miss,
+ [STAT_ITLB_MISS] = print_itlb_miss,
+ [STAT_LL_MISS] = print_ll_miss,
+ [STAT_CACHE_MISSES] = print_cache_miss,
+ [STAT_STALLED_CYCLES_FRONT] = print_stalled_cycles_front,
+ [STAT_STALLED_CYCLES_BACK] = print_stalled_cycles_back,
+ [STAT_CYCLES] = print_cycles,
+ [STAT_NSECS] = print_nsecs,
+ };
+ print_metric_t print_metric = out->print_metric;
+ void *ctxp = out->ctx;
+ int num = 1;
+
+ if (config->iostat_run) {
+ iostat_print_metric(config, evsel, out);
+ } else {
+ stat_print_function_t fn = stat_print_function[evsel__stat_type(evsel)];
+
+ if (fn)
+ fn(config, evsel, aggr_idx, avg, out);
+ else {
+ double nsecs = find_stat(evsel, aggr_idx, STAT_NSECS);
+
+ if (nsecs) {
+ char unit = ' ';
+ char unit_buf[10] = "/sec";
+ double ratio = convert_unit_double(1000000000.0 * avg / nsecs,
+ &unit);
+
+ if (unit != ' ')
+ snprintf(unit_buf, sizeof(unit_buf), "%c/sec", unit);
+ print_metric(config, ctxp, NULL, "%8.3f", unit_buf, ratio);
+ } else
+ num = 0;
+ }
+ }
+
+ perf_stat__print_shadow_stats_metricgroup(config, evsel, aggr_idx,
+ &num, NULL, out, metric_events);
+
+ if (num == 0)
+ print_metric(config, ctxp, NULL, NULL, NULL, 0);
+}
+
+/**
+ * perf_stat__skip_metric_event - Skip the evsel in the Default metricgroup,
+ * if it's not running or not the metric event.
+ */
+bool perf_stat__skip_metric_event(struct evsel *evsel,
+ struct rblist *metric_events,
+ u64 ena, u64 run)
+{
+ if (!evsel->default_metricgroup)
+ return false;
+
+ if (!ena || !run)
+ return true;
+
+ return !metricgroup__lookup(metric_events, evsel, false);
+}