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author | Jiri Olsa <jolsa@kernel.org> | 2015-10-25 15:51:29 +0100 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-12-17 14:38:19 -0300 |
commit | 8e381596b67af53564a69f16440d3e5d5a73d034 (patch) | |
tree | a94575f53155c24e4126a3235280dc8323fe073d /tools/perf/util/event.c | |
parent | 6742434261158ad9678bf15b165304e0200cc324 (diff) | |
download | blackbird-obmc-linux-8e381596b67af53564a69f16440d3e5d5a73d034.tar.gz blackbird-obmc-linux-8e381596b67af53564a69f16440d3e5d5a73d034.zip |
perf tools: Add stat config event read function
Introducing the perf_event__read_stat_config function to read a struct
perf_stat_config object data from a stat config event.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Kan Liang <kan.liang@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1445784728-21732-14-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/event.c')
-rw-r--r-- | tools/perf/util/event.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 1ea693c2a14b..223deaf2fba7 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -909,6 +909,30 @@ int perf_event__synthesize_stat_config(struct perf_tool *tool, return err; } +void perf_event__read_stat_config(struct perf_stat_config *config, + struct stat_config_event *event) +{ + unsigned i; + + for (i = 0; i < event->nr; i++) { + + switch (event->data[i].tag) { +#define CASE(__term, __val) \ + case PERF_STAT_CONFIG_TERM__##__term: \ + config->__val = event->data[i].val; \ + break; + + CASE(AGGR_MODE, aggr_mode) + CASE(SCALE, scale) + CASE(INTERVAL, interval) +#undef CASE + default: + pr_warning("unknown stat config term %" PRIu64 "\n", + event->data[i].tag); + } + } +} + size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp) { const char *s; |