diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2013-08-27 11:23:12 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-08-29 16:44:26 -0300 |
| commit | b1cf6f65aa7096984836addab7cec6b5b6d4393a (patch) | |
| tree | 3277b767bb9744acf84bcbdd67798ab114cb817f /tools/perf/util/event.h | |
| parent | d03f2170546d2f0c236a42706d211e15ffb64184 (diff) | |
| download | linux-b1cf6f65aa7096984836addab7cec6b5b6d4393a.tar.bz2 | |
perf tools: Add a function to calculate sample event size
Add perf_event__sample_event_size() which can be used when synthesizing
sample events to determine how big the resulting event will be, and
therefore how much memory to allocate.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1377591794-30553-11-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/event.h')
| -rw-r--r-- | tools/perf/util/event.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 1c80e1304e48..93130d856bf0 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -229,6 +229,8 @@ int perf_event__preprocess_sample(const union perf_event *self, const char *perf_event__name(unsigned int id); +size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, + u64 sample_regs_user, u64 read_format); int perf_event__synthesize_sample(union perf_event *event, u64 type, u64 sample_regs_user, u64 read_format, const struct perf_sample *sample, |