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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>
This commit is contained in:
Jiri Olsa 2015-12-03 10:06:42 +01:00 committed by Arnaldo Carvalho de Melo
parent e98a4cbb01
commit 3e27c92081
1 changed files with 8 additions and 24 deletions
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32
tools/perf/util/evlist.c
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@ -336,20 +336,12 @@ static int perf_evlist__nr_threads(struct perf_evlist *evlist,
void perf_evlist__disable(struct perf_evlist *evlist)
{
int cpu, thread;
struct perf_evsel *pos;
int nr_cpus = cpu_map__nr(evlist->cpus);
int nr_threads;
for (cpu = 0; cpu < nr_cpus; cpu++) {
evlist__for_each(evlist, pos) {
if (!perf_evsel__is_group_leader(pos) || !pos->fd)
continue;
nr_threads = perf_evlist__nr_threads(evlist, pos);
for (thread = 0; thread < nr_threads; thread++)
ioctl(FD(pos, cpu, thread),
PERF_EVENT_IOC_DISABLE, 0);
}
evlist__for_each(evlist, pos) {
if (!perf_evsel__is_group_leader(pos) || !pos->fd)
continue;
perf_evsel__disable(pos);
}
evlist->enabled = false;
@ -357,20 +349,12 @@ void perf_evlist__disable(struct perf_evlist *evlist)
void perf_evlist__enable(struct perf_evlist *evlist)
{
int cpu, thread;
struct perf_evsel *pos;
int nr_cpus = cpu_map__nr(evlist->cpus);
int nr_threads;
for (cpu = 0; cpu < nr_cpus; cpu++) {
evlist__for_each(evlist, pos) {
if (!perf_evsel__is_group_leader(pos) || !pos->fd)
continue;
nr_threads = perf_evlist__nr_threads(evlist, pos);
for (thread = 0; thread < nr_threads; thread++)
ioctl(FD(pos, cpu, thread),
PERF_EVENT_IOC_ENABLE, 0);
}
evlist__for_each(evlist, pos) {
if (!perf_evsel__is_group_leader(pos) || !pos->fd)
continue;
perf_evsel__enable(pos);
}
evlist->enabled = true;