Messages in this thread Patch in this message | | | From | Jiri Olsa <> | Subject | [PATCH 14/56] perf tools: Add stat event read function | Date | Tue, 6 Oct 2015 21:54:53 +0200 |
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Introducing perf_event__process_stat_event function to process 'struct perf_stat' data from stat event.
Link: http://lkml.kernel.org/n/tip-2bvpxxp60e0qqcsecohgeju3@git.kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org> --- tools/perf/util/stat.c | 23 +++++++++++++++++++++++ tools/perf/util/stat.h | 6 ++++++ 2 files changed, 29 insertions(+)
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index 2d065d065b67..0369b4516c29 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -340,3 +340,26 @@ int perf_stat_process_counter(struct perf_stat_config *config, return 0; } + +int perf_event__process_stat_event(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_session *session) +{ + struct perf_counts_values count; + struct stat_event *stat = &event->stat; + struct perf_evsel *counter; + + count.val = stat->val; + count.ena = stat->ena; + count.run = stat->run; + + counter = perf_evlist__id2evsel(session->evlist, stat->id); + if (!counter) { + pr_err("Failed to resolve counter for stat event.\n"); + return -EINVAL; + } + + *perf_counts(counter->counts, stat->cpu, stat->thread) = count; + counter->supported = true; + return 0; +} diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index 62448c8175d3..a61cb0a9f23a 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -89,4 +89,10 @@ void perf_evlist__reset_stats(struct perf_evlist *evlist); int perf_stat_process_counter(struct perf_stat_config *config, struct perf_evsel *counter); +struct perf_tool; +union perf_event; +struct perf_session; +int perf_event__process_stat_event(struct perf_tool *tool, + union perf_event *event, + struct perf_session *session); #endif -- 2.4.3
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