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perf evlist: Export id_add_fd()

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Will be used to storing the event IDs in evlist object so it get stored
into perf.data file.

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/1446734469-11352-6-git-send-email-jolsa@kernel.org
[ Split from the patch storing the ids in the perf.data file ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2015-11-05 15:40:49 +01:00 committed by Arnaldo Carvalho de Melo
parent 8b99b1a4e0
commit 1c59612de0
2 changed files with 6 additions and 3 deletions
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6
tools/perf/util/evlist.c
View File

@ -534,9 +534,9 @@ void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel,
evsel->id[evsel->ids++] = id;
}
static int perf_evlist__id_add_fd(struct perf_evlist *evlist,
struct perf_evsel *evsel,
int cpu, int thread, int fd)
int perf_evlist__id_add_fd(struct perf_evlist *evlist,
struct perf_evsel *evsel,
int cpu, int thread, int fd)
{
u64 read_data[4] = { 0, };
int id_idx = 1; /* The first entry is the counter value */

3
tools/perf/util/evlist.h
View File

@ -97,6 +97,9 @@ perf_evlist__find_tracepoint_by_name(struct perf_evlist *evlist,
void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel,
int cpu, int thread, u64 id);
int perf_evlist__id_add_fd(struct perf_evlist *evlist,
struct perf_evsel *evsel,
int cpu, int thread, int fd);
int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd);
int perf_evlist__alloc_pollfd(struct perf_evlist *evlist);