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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-05-31 12:47:46 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-06-03 14:53:46 -0300 |
| commit | 90525176d71995ffde2d0c532f2758304c666a08 (patch) | |
| tree | 2bc23be3cf88b2f401e685d737e768013da59701 /tools/perf/util/evsel.h | |
| parent | 030ba6cd105c68ce919c5e239853b567490cd059 (diff) | |
| download | op-kernel-dev-90525176d71995ffde2d0c532f2758304c666a08.zip op-kernel-dev-90525176d71995ffde2d0c532f2758304c666a08.tar.gz | |
perf evsel: Provide way to extract integer value from format_field
Out of perf_evsel__intval(), that requires passing the variable name,
that will then be searched in the list of tracepoint variables for the
given evsel.
In cases such as syscall file descriptor ("fd") tracking, this is
wasteful, we need just to use perf_evsel__field() and cache the
format_field.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-r6f89jx9j5nkx037d0naviqy@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evsel.h')
| -rw-r--r-- | tools/perf/util/evsel.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 028412b..828ddd1 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -261,6 +261,8 @@ static inline char *perf_evsel__strval(struct perf_evsel *evsel, struct format_field; +u64 format_field__intval(struct format_field *field, struct perf_sample *sample, bool needs_swap); + struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name); #define perf_evsel__match(evsel, t, c) \ |
