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Commit dddcf6ab authored by Adrian Hunter's avatar Adrian Hunter Committed by Arnaldo Carvalho de Melo
Browse files

perf evlist: Add perf_evlist__id2evsel_strict() 



perf_evlist__id2evsel_strict() is the same as perf_evlist__id2evsel()
except that it ensures that the id must match.

This will be used by perf inject to find a specific evsel that is to be
deleted, hence the need to match exactly.

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1443186956-18718-22-git-send-email-adrian.hunter@intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 3c5b645f

tools/perf/util/evlist.c

+15 −0
Original line number Diff line number Diff line
@@ -617,6 +617,21 @@ struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id) 
	return NULL;

}



struct perf_evsel *perf_evlist__id2evsel_strict(struct perf_evlist *evlist,

						u64 id)

{

	struct perf_sample_id *sid;



	if (!id)

		return NULL;



	sid = perf_evlist__id2sid(evlist, id);

	if (sid)

		return sid->evsel;



	return NULL;

}



static int perf_evlist__event2id(struct perf_evlist *evlist,

				 union perf_event *event, u64 *id)

{

tools/perf/util/evlist.h

+2 −0
Original line number Diff line number Diff line
@@ -104,6 +104,8 @@ int perf_evlist__filter_pollfd(struct perf_evlist *evlist, short revents_and_mas 
int perf_evlist__poll(struct perf_evlist *evlist, int timeout);



struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);

struct perf_evsel *perf_evlist__id2evsel_strict(struct perf_evlist *evlist,

						u64 id);



struct perf_sample_id *perf_evlist__id2sid(struct perf_evlist *evlist, u64 id);