Messages in this thread Patch in this message |  | | From | Jiri Olsa <> | Subject | [PATCH 10/10] perf stat: Support inherit/no-inherit terms | Date | Thu, 24 Aug 2017 18:27:37 +0200 |
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Adding support to use 'inherit' and 'no-inherit' terms in perf stat command, like:
To disable perf_event_attr::inherit (enabled by default):
$ perf stat -e cpu/cpu-cycles,no-inherit/u ...
Enable perf_event_attr::inherit (disabled by -i):
$ perf stat -i -e cpu/cpu-cycles,inherit/u ...
Signed-off-by: Jiri Olsa <jolsa@kernel.org> --- tools/perf/builtin-stat.c | 19 +++++++++++++++++++ tools/perf/util/parse-events.c | 2 ++ 2 files changed, 21 insertions(+)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 866da7aa54bf..92053b93e452 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -210,6 +210,23 @@ static void perf_stat__reset_stats(void) perf_stat__reset_shadow_stats(); } +static void apply_stat_config_terms(struct perf_evsel *evsel) +{ + struct perf_evsel_config_term *term; + struct list_head *config_terms = &evsel->config_terms; + struct perf_event_attr *attr = &evsel->attr; + + list_for_each_entry(term, config_terms, list) { + switch (term->type) { + case PERF_EVSEL__CONFIG_TERM_INHERIT: + attr->inherit = term->val.inherit ? 1 : 0; + break; + default: + break; + } + } +} + static int create_perf_stat_counter(struct perf_evsel *evsel) { struct perf_event_attr *attr = &evsel->attr; @@ -264,6 +281,8 @@ static int create_perf_stat_counter(struct perf_evsel *evsel) attr->enable_on_exec = 1; } + apply_stat_config_terms(evsel); + if (target__has_cpu(&target)) return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index f44aeba51d1f..b2b448ff0a36 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -934,6 +934,8 @@ config_term_avail(int term_type, struct parse_events_error *err) case PARSE_EVENTS__TERM_TYPE_CONFIG2: case PARSE_EVENTS__TERM_TYPE_NAME: case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: + case PARSE_EVENTS__TERM_TYPE_INHERIT: + case PARSE_EVENTS__TERM_TYPE_NOINHERIT: return true; default: if (!err) -- 2.9.5
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