perf evlist: Introduce 'disable' method

[pandora-kernel.git] / tools / perf / util / evlist.c

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index b021ea9..e03e7bc 100644 (file)
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -91,6 +91,19 @@ int perf_evlist__add_default(struct perf_evlist *evlist)
        return 0;
 }
 
+void perf_evlist__disable(struct perf_evlist *evlist)
+{
+       int cpu, thread;
+       struct perf_evsel *pos;
+
+       for (cpu = 0; cpu < evlist->cpus->nr; cpu++) {
+               list_for_each_entry(pos, &evlist->entries, node) {
+                       for (thread = 0; thread < evlist->threads->nr; thread++)
+                               ioctl(FD(pos, cpu, thread), PERF_EVENT_IOC_DISABLE);
+               }
+       }
+}
+
 int perf_evlist__alloc_pollfd(struct perf_evlist *evlist)
 {
        int nfds = evlist->cpus->nr * evlist->threads->nr * evlist->nr_entries;