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

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.orgSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 736b05a0
...@@ -721,10 +721,20 @@ void perf_evlist__set_selected(struct perf_evlist *evlist, ...@@ -721,10 +721,20 @@ void perf_evlist__set_selected(struct perf_evlist *evlist,
evlist->selected = evsel; 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) int perf_evlist__open(struct perf_evlist *evlist)
{ {
struct perf_evsel *evsel; struct perf_evsel *evsel;
int err, ncpus, nthreads; int err;
list_for_each_entry(evsel, &evlist->entries, node) { list_for_each_entry(evsel, &evlist->entries, node) {
err = perf_evsel__open(evsel, evlist->cpus, evlist->threads); err = perf_evsel__open(evsel, evlist->cpus, evlist->threads);
...@@ -734,12 +744,7 @@ int perf_evlist__open(struct perf_evlist *evlist) ...@@ -734,12 +744,7 @@ int perf_evlist__open(struct perf_evlist *evlist)
return 0; return 0;
out_err: out_err:
ncpus = cpu_map__nr(evlist->cpus); perf_evlist__close(evlist);
nthreads = thread_map__nr(evlist->threads);
list_for_each_entry_reverse(evsel, &evlist->entries, node)
perf_evsel__close(evsel, ncpus, nthreads);
errno = -err; errno = -err;
return err; return err;
} }
......
...@@ -81,6 +81,7 @@ struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id); ...@@ -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); union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx);
int perf_evlist__open(struct perf_evlist *evlist); int perf_evlist__open(struct perf_evlist *evlist);
void perf_evlist__close(struct perf_evlist *evlist);
void perf_evlist__config(struct perf_evlist *evlist, void perf_evlist__config(struct perf_evlist *evlist,
struct perf_record_opts *opts); struct perf_record_opts *opts);
......
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