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-rw-r--r--tools/perf/arch/x86/util/evlist.c74
-rw-r--r--tools/perf/builtin-stat.c297
-rw-r--r--tools/perf/util/evlist.c43
-rw-r--r--tools/perf/util/evlist.h12
-rw-r--r--tools/perf/util/stat-display.c8
-rw-r--r--tools/perf/util/stat-shadow.c4
6 files changed, 131 insertions, 307 deletions
diff --git a/tools/perf/arch/x86/util/evlist.c b/tools/perf/arch/x86/util/evlist.c
index cebdd483149e..3a4bf13b1759 100644
--- a/tools/perf/arch/x86/util/evlist.c
+++ b/tools/perf/arch/x86/util/evlist.c
@@ -1,78 +1,10 @@
// SPDX-License-Identifier: GPL-2.0
-#include <stdio.h>
-#include "util/pmu.h"
-#include "util/pmus.h"
-#include "util/evlist.h"
-#include "util/parse-events.h"
-#include "util/event.h"
+#include <string.h>
+#include "../../../util/evlist.h"
+#include "../../../util/evsel.h"
#include "topdown.h"
#include "evsel.h"
-static int ___evlist__add_default_attrs(struct evlist *evlist,
- struct perf_event_attr *attrs,
- size_t nr_attrs)
-{
- LIST_HEAD(head);
- size_t i = 0;
-
- for (i = 0; i < nr_attrs; i++)
- event_attr_init(attrs + i);
-
- if (perf_pmus__num_core_pmus() == 1)
- return evlist__add_attrs(evlist, attrs, nr_attrs);
-
- for (i = 0; i < nr_attrs; i++) {
- struct perf_pmu *pmu = NULL;
-
- if (attrs[i].type == PERF_TYPE_SOFTWARE) {
- struct evsel *evsel = evsel__new(attrs + i);
-
- if (evsel == NULL)
- goto out_delete_partial_list;
- list_add_tail(&evsel->core.node, &head);
- continue;
- }
-
- while ((pmu = perf_pmus__scan_core(pmu)) != NULL) {
- struct perf_cpu_map *cpus;
- struct evsel *evsel;
-
- evsel = evsel__new(attrs + i);
- if (evsel == NULL)
- goto out_delete_partial_list;
- evsel->core.attr.config |= (__u64)pmu->type << PERF_PMU_TYPE_SHIFT;
- cpus = perf_cpu_map__get(pmu->cpus);
- evsel->core.cpus = cpus;
- evsel->core.own_cpus = perf_cpu_map__get(cpus);
- evsel->pmu_name = strdup(pmu->name);
- list_add_tail(&evsel->core.node, &head);
- }
- }
-
- evlist__splice_list_tail(evlist, &head);
-
- return 0;
-
-out_delete_partial_list:
- {
- struct evsel *evsel, *n;
-
- __evlist__for_each_entry_safe(&head, n, evsel)
- evsel__delete(evsel);
- }
- return -1;
-}
-
-int arch_evlist__add_default_attrs(struct evlist *evlist,
- struct perf_event_attr *attrs,
- size_t nr_attrs)
-{
- if (!nr_attrs)
- return 0;
-
- return ___evlist__add_default_attrs(evlist, attrs, nr_attrs);
-}
-
int arch_evlist__cmp(const struct evsel *lhs, const struct evsel *rhs)
{
if (topdown_sys_has_perf_metrics() &&
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 6cad3435b198..1521b6df2606 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1842,130 +1842,25 @@ static int perf_stat_init_aggr_mode_file(struct perf_stat *st)
}
/*
- * Add default attributes, if there were no attributes specified or
+ * Add default events, if there were no attributes specified or
* if -d/--detailed, -d -d or -d -d -d is used:
*/
-static int add_default_attributes(void)
+static int add_default_events(void)
{
- struct perf_event_attr default_attrs0[] = {
-
- { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK },
- { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES },
- { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS },
- { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS },
-
- { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES },
-};
- struct perf_event_attr frontend_attrs[] = {
- { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND },
-};
- struct perf_event_attr backend_attrs[] = {
- { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND },
-};
- struct perf_event_attr default_attrs1[] = {
- { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS },
- { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS },
- { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES },
-
-};
-
-/*
- * Detailed stats (-d), covering the L1 and last level data caches:
- */
- struct perf_event_attr detailed_attrs[] = {
-
- { .type = PERF_TYPE_HW_CACHE,
- .config =
- PERF_COUNT_HW_CACHE_L1D << 0 |
- (PERF_COUNT_HW_CACHE_OP_READ << 8) |
- (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
-
- { .type = PERF_TYPE_HW_CACHE,
- .config =
- PERF_COUNT_HW_CACHE_L1D << 0 |
- (PERF_COUNT_HW_CACHE_OP_READ << 8) |
- (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
-
- { .type = PERF_TYPE_HW_CACHE,
- .config =
- PERF_COUNT_HW_CACHE_LL << 0 |
- (PERF_COUNT_HW_CACHE_OP_READ << 8) |
- (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
-
- { .type = PERF_TYPE_HW_CACHE,
- .config =
- PERF_COUNT_HW_CACHE_LL << 0 |
- (PERF_COUNT_HW_CACHE_OP_READ << 8) |
- (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
-};
-
-/*
- * Very detailed stats (-d -d), covering the instruction cache and the TLB caches:
- */
- struct perf_event_attr very_detailed_attrs[] = {
-
- { .type = PERF_TYPE_HW_CACHE,
- .config =
- PERF_COUNT_HW_CACHE_L1I << 0 |
- (PERF_COUNT_HW_CACHE_OP_READ << 8) |
- (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
-
- { .type = PERF_TYPE_HW_CACHE,
- .config =
- PERF_COUNT_HW_CACHE_L1I << 0 |
- (PERF_COUNT_HW_CACHE_OP_READ << 8) |
- (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
-
- { .type = PERF_TYPE_HW_CACHE,
- .config =
- PERF_COUNT_HW_CACHE_DTLB << 0 |
- (PERF_COUNT_HW_CACHE_OP_READ << 8) |
- (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
-
- { .type = PERF_TYPE_HW_CACHE,
- .config =
- PERF_COUNT_HW_CACHE_DTLB << 0 |
- (PERF_COUNT_HW_CACHE_OP_READ << 8) |
- (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
-
- { .type = PERF_TYPE_HW_CACHE,
- .config =
- PERF_COUNT_HW_CACHE_ITLB << 0 |
- (PERF_COUNT_HW_CACHE_OP_READ << 8) |
- (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
-
- { .type = PERF_TYPE_HW_CACHE,
- .config =
- PERF_COUNT_HW_CACHE_ITLB << 0 |
- (PERF_COUNT_HW_CACHE_OP_READ << 8) |
- (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
-
-};
+ const char *pmu = parse_events_option_args.pmu_filter ?: "all";
+ struct parse_events_error err;
+ struct evlist *evlist = evlist__new();
+ struct evsel *evsel;
+ int ret = 0;
-/*
- * Very, very detailed stats (-d -d -d), adding prefetch events:
- */
- struct perf_event_attr very_very_detailed_attrs[] = {
-
- { .type = PERF_TYPE_HW_CACHE,
- .config =
- PERF_COUNT_HW_CACHE_L1D << 0 |
- (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) |
- (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
-
- { .type = PERF_TYPE_HW_CACHE,
- .config =
- PERF_COUNT_HW_CACHE_L1D << 0 |
- (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) |
- (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
-};
+ if (!evlist)
+ return -ENOMEM;
- struct perf_event_attr default_null_attrs[] = {};
- const char *pmu = parse_events_option_args.pmu_filter ?: "all";
+ parse_events_error__init(&err);
/* Set attrs if no event is selected and !null_run: */
if (stat_config.null_run)
- return 0;
+ goto out;
if (transaction_run) {
/* Handle -T as -M transaction. Once platform specific metrics
@@ -1975,9 +1870,10 @@ static int add_default_attributes(void)
*/
if (!metricgroup__has_metric(pmu, "transaction")) {
pr_err("Missing transaction metrics\n");
- return -1;
+ ret = -1;
+ goto out;
}
- return metricgroup__parse_groups(evsel_list, pmu, "transaction",
+ ret = metricgroup__parse_groups(evlist, pmu, "transaction",
stat_config.metric_no_group,
stat_config.metric_no_merge,
stat_config.metric_no_threshold,
@@ -1985,6 +1881,7 @@ static int add_default_attributes(void)
stat_config.system_wide,
stat_config.hardware_aware_grouping,
&stat_config.metric_events);
+ goto out;
}
if (smi_cost) {
@@ -1992,26 +1889,29 @@ static int add_default_attributes(void)
if (sysfs__read_int(FREEZE_ON_SMI_PATH, &smi) < 0) {
pr_err("freeze_on_smi is not supported.\n");
- return -1;
+ ret = -1;
+ goto out;
}
if (!smi) {
if (sysfs__write_int(FREEZE_ON_SMI_PATH, 1) < 0) {
- fprintf(stderr, "Failed to set freeze_on_smi.\n");
- return -1;
+ pr_err("Failed to set freeze_on_smi.\n");
+ ret = -1;
+ goto out;
}
smi_reset = true;
}
if (!metricgroup__has_metric(pmu, "smi")) {
pr_err("Missing smi metrics\n");
- return -1;
+ ret = -1;
+ goto out;
}
if (!force_metric_only)
stat_config.metric_only = true;
- return metricgroup__parse_groups(evsel_list, pmu, "smi",
+ ret = metricgroup__parse_groups(evlist, pmu, "smi",
stat_config.metric_no_group,
stat_config.metric_no_merge,
stat_config.metric_no_threshold,
@@ -2019,6 +1919,7 @@ static int add_default_attributes(void)
stat_config.system_wide,
stat_config.hardware_aware_grouping,
&stat_config.metric_events);
+ goto out;
}
if (topdown_run) {
@@ -2031,21 +1932,23 @@ static int add_default_attributes(void)
if (!max_level) {
pr_err("Topdown requested but the topdown metric groups aren't present.\n"
"(See perf list the metric groups have names like TopdownL1)\n");
- return -1;
+ ret = -1;
+ goto out;
}
if (stat_config.topdown_level > max_level) {
pr_err("Invalid top-down metrics level. The max level is %u.\n", max_level);
- return -1;
- } else if (!stat_config.topdown_level)
+ ret = -1;
+ goto out;
+ } else if (!stat_config.topdown_level) {
stat_config.topdown_level = 1;
-
+ }
if (!stat_config.interval && !stat_config.metric_only) {
fprintf(stat_config.output,
"Topdown accuracy may decrease when measuring long periods.\n"
"Please print the result regularly, e.g. -I1000\n");
}
str[8] = stat_config.topdown_level + '0';
- if (metricgroup__parse_groups(evsel_list,
+ if (metricgroup__parse_groups(evlist,
pmu, str,
/*metric_no_group=*/false,
/*metric_no_merge=*/false,
@@ -2053,41 +1956,49 @@ static int add_default_attributes(void)
stat_config.user_requested_cpu_list,
stat_config.system_wide,
stat_config.hardware_aware_grouping,
- &stat_config.metric_events) < 0)
- return -1;
+ &stat_config.metric_events) < 0) {
+ ret = -1;
+ goto out;
+ }
}
if (!stat_config.topdown_level)
stat_config.topdown_level = 1;
- if (!evsel_list->core.nr_entries) {
+ if (!evlist->core.nr_entries && !evsel_list->core.nr_entries) {
/* No events so add defaults. */
if (target__has_cpu(&target))
- default_attrs0[0].config = PERF_COUNT_SW_CPU_CLOCK;
+ ret = parse_events(evlist, "cpu-clock", &err);
+ else
+ ret = parse_events(evlist, "task-clock", &err);
+ if (ret)
+ goto out;
+
+ ret = parse_events(evlist,
+ "context-switches,"
+ "cpu-migrations,"
+ "page-faults,"
+ "instructions,"
+ "cycles,"
+ "stalled-cycles-frontend,"
+ "stalled-cycles-backend,"
+ "branches,"
+ "branch-misses",
+ &err);
+ if (ret)
+ goto out;
- if (evlist__add_default_attrs(evsel_list, default_attrs0) < 0)
- return -1;
- if (perf_pmus__have_event("cpu", "stalled-cycles-frontend")) {
- if (evlist__add_default_attrs(evsel_list, frontend_attrs) < 0)
- return -1;
- }
- if (perf_pmus__have_event("cpu", "stalled-cycles-backend")) {
- if (evlist__add_default_attrs(evsel_list, backend_attrs) < 0)
- return -1;
- }
- if (evlist__add_default_attrs(evsel_list, default_attrs1) < 0)
- return -1;
/*
* Add TopdownL1 metrics if they exist. To minimize
* multiplexing, don't request threshold computation.
*/
if (metricgroup__has_metric(pmu, "Default")) {
struct evlist *metric_evlist = evlist__new();
- struct evsel *metric_evsel;
-
- if (!metric_evlist)
- return -1;
+ if (!metric_evlist) {
+ ret = -ENOMEM;
+ goto out;
+ }
if (metricgroup__parse_groups(metric_evlist, pmu, "Default",
/*metric_no_group=*/false,
/*metric_no_merge=*/false,
@@ -2095,43 +2006,71 @@ static int add_default_attributes(void)
stat_config.user_requested_cpu_list,
stat_config.system_wide,
stat_config.hardware_aware_grouping,
- &stat_config.metric_events) < 0)
- return -1;
-
- evlist__for_each_entry(metric_evlist, metric_evsel) {
- metric_evsel->skippable = true;
- metric_evsel->default_metricgroup = true;
+ &stat_config.metric_events) < 0) {
+ ret = -1;
+ goto out;
}
- evlist__splice_list_tail(evsel_list, &metric_evlist->core.entries);
+
+ evlist__for_each_entry(metric_evlist, evsel)
+ evsel->default_metricgroup = true;
+
+ evlist__splice_list_tail(evlist, &metric_evlist->core.entries);
evlist__delete(metric_evlist);
}
-
- /* Platform specific attrs */
- if (evlist__add_default_attrs(evsel_list, default_null_attrs) < 0)
- return -1;
}
/* Detailed events get appended to the event list: */
- if (detailed_run < 1)
- return 0;
-
- /* Append detailed run extra attributes: */
- if (evlist__add_default_attrs(evsel_list, detailed_attrs) < 0)
- return -1;
-
- if (detailed_run < 2)
- return 0;
-
- /* Append very detailed run extra attributes: */
- if (evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0)
- return -1;
-
- if (detailed_run < 3)
- return 0;
-
- /* Append very, very detailed run extra attributes: */
- return evlist__add_default_attrs(evsel_list, very_very_detailed_attrs);
+ if (!ret && detailed_run >= 1) {
+ /*
+ * Detailed stats (-d), covering the L1 and last level data
+ * caches:
+ */
+ ret = parse_events(evlist,
+ "L1-dcache-loads,"
+ "L1-dcache-load-misses,"
+ "LLC-loads,"
+ "LLC-load-misses",
+ &err);
+ }
+ if (!ret && detailed_run >= 2) {
+ /*
+ * Very detailed stats (-d -d), covering the instruction cache
+ * and the TLB caches:
+ */
+ ret = parse_events(evlist,
+ "L1-icache-loads,"
+ "L1-icache-load-misses,"
+ "dTLB-loads,"
+ "dTLB-load-misses,"
+ "iTLB-loads,"
+ "iTLB-load-misses",
+ &err);
+ }
+ if (!ret && detailed_run >= 3) {
+ /*
+ * Very, very detailed stats (-d -d -d), adding prefetch events:
+ */
+ ret = parse_events(evlist,
+ "L1-dcache-prefetches,"
+ "L1-dcache-prefetch-misses",
+ &err);
+ }
+out:
+ if (!ret) {
+ evlist__for_each_entry(evlist, evsel) {
+ /*
+ * Make at least one event non-skippable so fatal errors are visible.
+ * 'cycles' always used to be default and non-skippable, so use that.
+ */
+ if (strcmp("cycles", evsel__name(evsel)))
+ evsel->skippable = true;
+ }
+ }
+ parse_events_error__exit(&err);
+ evlist__splice_list_tail(evsel_list, &evlist->core.entries);
+ evlist__delete(evlist);
+ return ret;
}
static const char * const stat_record_usage[] = {
@@ -2788,7 +2727,7 @@ int cmd_stat(int argc, const char **argv)
}
}
- if (add_default_attributes())
+ if (add_default_events())
goto out;
if (stat_config.cgroup_list) {
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index a9df84692d4a..7be0800b89d8 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -320,49 +320,6 @@ struct evsel *evlist__add_sched_switch(struct evlist *evlist, bool system_wide)
}
#endif
-int evlist__add_attrs(struct evlist *evlist, struct perf_event_attr *attrs, size_t nr_attrs)
-{
- struct evsel *evsel, *n;
- LIST_HEAD(head);
- size_t i;
-
- for (i = 0; i < nr_attrs; i++) {
- evsel = evsel__new_idx(attrs + i, evlist->core.nr_entries + i);
- if (evsel == NULL)
- goto out_delete_partial_list;
- list_add_tail(&evsel->core.node, &head);
- }
-
- evlist__splice_list_tail(evlist, &head);
-
- return 0;
-
-out_delete_partial_list:
- __evlist__for_each_entry_safe(&head, n, evsel)
- evsel__delete(evsel);
- return -1;
-}
-
-int __evlist__add_default_attrs(struct evlist *evlist, struct perf_event_attr *attrs, size_t nr_attrs)
-{
- size_t i;
-
- for (i = 0; i < nr_attrs; i++)
- event_attr_init(attrs + i);
-
- return evlist__add_attrs(evlist, attrs, nr_attrs);
-}
-
-__weak int arch_evlist__add_default_attrs(struct evlist *evlist,
- struct perf_event_attr *attrs,
- size_t nr_attrs)
-{
- if (!nr_attrs)
- return 0;
-
- return __evlist__add_default_attrs(evlist, attrs, nr_attrs);
-}
-
struct evsel *evlist__find_tracepoint_by_id(struct evlist *evlist, int id)
{
struct evsel *evsel;
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 888fda751e1a..cd80a470a4ba 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -102,18 +102,6 @@ void evlist__delete(struct evlist *evlist);
void evlist__add(struct evlist *evlist, struct evsel *entry);
void evlist__remove(struct evlist *evlist, struct evsel *evsel);
-int evlist__add_attrs(struct evlist *evlist, struct perf_event_attr *attrs, size_t nr_attrs);
-
-int __evlist__add_default_attrs(struct evlist *evlist,
- struct perf_event_attr *attrs, size_t nr_attrs);
-
-int arch_evlist__add_default_attrs(struct evlist *evlist,
- struct perf_event_attr *attrs,
- size_t nr_attrs);
-
-#define evlist__add_default_attrs(evlist, array) \
- arch_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))
-
int arch_evlist__cmp(const struct evsel *lhs, const struct evsel *rhs);
int evlist__add_dummy(struct evlist *evlist);
diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index cbff43ff8d0f..5402998881c4 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -7,6 +7,7 @@
#include <perf/cpumap.h>
#include "color.h"
#include "counts.h"
+#include "debug.h"
#include "evlist.h"
#include "evsel.h"
#include "stat.h"
@@ -968,6 +969,13 @@ static bool should_skip_zero_counter(struct perf_stat_config *config,
int idx;
/*
+ * Skip unsupported default events when not verbose. (default events
+ * are all marked 'skippable').
+ */
+ if (verbose == 0 && counter->skippable && !counter->supported)
+ return true;
+
+ /*
* Skip value 0 when enabling --per-thread globally,
* otherwise it will have too many 0 output.
*/
diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
index 99376c12dd8e..dd709a731574 100644
--- a/tools/perf/util/stat-shadow.c
+++ b/tools/perf/util/stat-shadow.c
@@ -76,7 +76,7 @@ void perf_stat__reset_shadow_stats(void)
memset(&ru_stats, 0, sizeof(ru_stats));
}
-static enum stat_type evsel__stat_type(const struct evsel *evsel)
+static enum stat_type evsel__stat_type(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 |
@@ -152,7 +152,7 @@ static const char *get_ratio_color(const double ratios[3], double val)
static double find_stat(const struct evsel *evsel, int aggr_idx, enum stat_type type)
{
- const struct evsel *cur;
+ struct evsel *cur;
int evsel_ctx = evsel_context(evsel);
evlist__for_each_entry(evsel->evlist, cur) {
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-04-08 18:51:43 +0000