perf evlist: Factor perf_evlist__(enable|disable) functions
Use perf_evsel__(enable|disable) functions in perf_evlist__(enable|disable) functions in order to centralize ioctl enable/disable calls. This way we eliminate 2 places calling directly ioctl. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@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/1449133606-14429-4-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -336,20 +336,12 @@ static int perf_evlist__nr_threads(struct perf_evlist *evlist,
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void perf_evlist__disable(struct perf_evlist *evlist)
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{
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int cpu, thread;
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struct perf_evsel *pos;
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int nr_cpus = cpu_map__nr(evlist->cpus);
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int nr_threads;
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for (cpu = 0; cpu < nr_cpus; cpu++) {
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evlist__for_each(evlist, pos) {
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if (!perf_evsel__is_group_leader(pos) || !pos->fd)
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continue;
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nr_threads = perf_evlist__nr_threads(evlist, pos);
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for (thread = 0; thread < nr_threads; thread++)
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ioctl(FD(pos, cpu, thread),
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PERF_EVENT_IOC_DISABLE, 0);
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}
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evlist__for_each(evlist, pos) {
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if (!perf_evsel__is_group_leader(pos) || !pos->fd)
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continue;
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perf_evsel__disable(pos);
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}
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evlist->enabled = false;
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@ -357,20 +349,12 @@ void perf_evlist__disable(struct perf_evlist *evlist)
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void perf_evlist__enable(struct perf_evlist *evlist)
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{
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int cpu, thread;
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struct perf_evsel *pos;
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int nr_cpus = cpu_map__nr(evlist->cpus);
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int nr_threads;
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for (cpu = 0; cpu < nr_cpus; cpu++) {
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evlist__for_each(evlist, pos) {
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if (!perf_evsel__is_group_leader(pos) || !pos->fd)
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continue;
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nr_threads = perf_evlist__nr_threads(evlist, pos);
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for (thread = 0; thread < nr_threads; thread++)
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ioctl(FD(pos, cpu, thread),
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PERF_EVENT_IOC_ENABLE, 0);
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}
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evlist__for_each(evlist, pos) {
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if (!perf_evsel__is_group_leader(pos) || !pos->fd)
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continue;
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perf_evsel__enable(pos);
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}
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evlist->enabled = true;
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