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>

1 files changed, 8 insertions, 24 deletions

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index d1392194a9a9..d1b6c206bb93 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -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;