diff options
| author | Weilin Wang <weilin.wang@intel.com> | 2024-04-13 00:07:41 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2024-04-19 04:22:51 +0300 |
| commit | 03f2357017c37d68e73d7d8d77abfcb72e12bc86 (patch) | |
| tree | a05f128e57cf70aaff038d7b9b6738885d1c56bd /tools/perf/util | |
| parent | 10b6ee3b597b1b1b4dc390aaf9d589664af31df9 (diff) | |
| download | linux-03f2357017c37d68e73d7d8d77abfcb72e12bc86.tar.xz | |
perf stat: Add new field in stat_config to enable hardware aware grouping
Hardware counter and event information could be used to help creating event
groups that better utilize hardware counters and improve multiplexing.
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Weilin Wang <weilin.wang@intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Caleb Biggers <caleb.biggers@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Perry Taylor <perry.taylor@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Samantha Alt <samantha.alt@intel.com>
Link: https://lore.kernel.org/r/20240412210756.309828-2-weilin.wang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/metricgroup.c | 3 | ||||
| -rw-r--r-- | tools/perf/util/metricgroup.h | 1 | ||||
| -rw-r--r-- | tools/perf/util/stat.h | 1 |
3 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c index 6ec083af14a1..9be406524617 100644 --- a/tools/perf/util/metricgroup.c +++ b/tools/perf/util/metricgroup.c @@ -1690,12 +1690,15 @@ int metricgroup__parse_groups(struct evlist *perf_evlist, bool metric_no_threshold, const char *user_requested_cpu_list, bool system_wide, + bool hardware_aware_grouping, struct rblist *metric_events) { const struct pmu_metrics_table *table = pmu_metrics_table__find(); if (!table) return -EINVAL; + if (hardware_aware_grouping) + pr_debug("Use hardware aware grouping instead of traditional metric grouping method\n"); return parse_groups(perf_evlist, pmu, str, metric_no_group, metric_no_merge, metric_no_threshold, user_requested_cpu_list, system_wide, diff --git a/tools/perf/util/metricgroup.h b/tools/perf/util/metricgroup.h index d5325c6ec8e1..779f6ede1b51 100644 --- a/tools/perf/util/metricgroup.h +++ b/tools/perf/util/metricgroup.h @@ -77,6 +77,7 @@ int metricgroup__parse_groups(struct evlist *perf_evlist, bool metric_no_threshold, const char *user_requested_cpu_list, bool system_wide, + bool hardware_aware_grouping, struct rblist *metric_events); int metricgroup__parse_groups_test(struct evlist *evlist, const struct pmu_metrics_table *table, diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index d6e5c8787ba2..fd7a187551bd 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -87,6 +87,7 @@ struct perf_stat_config { bool metric_no_group; bool metric_no_merge; bool metric_no_threshold; + bool hardware_aware_grouping; bool stop_read_counter; bool iostat_run; char *user_requested_cpu_list; |