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Commit a74b4b66 authored by Namhyung Kim's avatar Namhyung Kim Committed by Arnaldo Carvalho de Melo
Browse files

perf evlist: Introduce perf_evlist__close() 



It's a pair of perf_evlist__open().

Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1363326533-3310-1-git-send-email-namhyung@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 736b05a0

tools/perf/util/evlist.c

+12 −7
Original line number Diff line number Diff line
@@ -721,10 +721,20 @@ void perf_evlist__set_selected(struct perf_evlist *evlist, 
	evlist->selected = evsel;

}



void perf_evlist__close(struct perf_evlist *evlist)

{

	struct perf_evsel *evsel;

	int ncpus = cpu_map__nr(evlist->cpus);

	int nthreads = thread_map__nr(evlist->threads);



	list_for_each_entry_reverse(evsel, &evlist->entries, node)

		perf_evsel__close(evsel, ncpus, nthreads);

}



int perf_evlist__open(struct perf_evlist *evlist)

{

	struct perf_evsel *evsel;

	int err, ncpus, nthreads;

	int err;



	list_for_each_entry(evsel, &evlist->entries, node) {

		err = perf_evsel__open(evsel, evlist->cpus, evlist->threads);
@@ -734,12 +744,7 @@ int perf_evlist__open(struct perf_evlist *evlist) 


	return 0;

out_err:

	ncpus = cpu_map__nr(evlist->cpus);

	nthreads = thread_map__nr(evlist->threads);



	list_for_each_entry_reverse(evsel, &evlist->entries, node)

		perf_evsel__close(evsel, ncpus, nthreads);



	perf_evlist__close(evlist);

	errno = -err;

	return err;

}

tools/perf/util/evlist.h

+1 −0
Original line number Diff line number Diff line
@@ -81,6 +81,7 @@ struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id); 
union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx);



int perf_evlist__open(struct perf_evlist *evlist);

void perf_evlist__close(struct perf_evlist *evlist);



void perf_evlist__config(struct perf_evlist *evlist,

			 struct perf_record_opts *opts);