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: Adrian 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: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -617,6 +617,21 @@ struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id)
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return NULL;
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return NULL;
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}
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}
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struct perf_evsel *perf_evlist__id2evsel_strict(struct perf_evlist *evlist,
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u64 id)
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{
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struct perf_sample_id *sid;
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if (!id)
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return NULL;
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sid = perf_evlist__id2sid(evlist, id);
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if (sid)
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return sid->evsel;
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return NULL;
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}
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static int perf_evlist__event2id(struct perf_evlist *evlist,
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static int perf_evlist__event2id(struct perf_evlist *evlist,
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union perf_event *event, u64 *id)
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union perf_event *event, u64 *id)
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{
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{
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@ -104,6 +104,8 @@ int perf_evlist__filter_pollfd(struct perf_evlist *evlist, short revents_and_mas
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int perf_evlist__poll(struct perf_evlist *evlist, int timeout);
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int perf_evlist__poll(struct perf_evlist *evlist, int timeout);
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struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);
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struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);
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struct perf_evsel *perf_evlist__id2evsel_strict(struct perf_evlist *evlist,
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u64 id);
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struct perf_sample_id *perf_evlist__id2sid(struct perf_evlist *evlist, u64 id);
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struct perf_sample_id *perf_evlist__id2sid(struct perf_evlist *evlist, u64 id);
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