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authorArnaldo Carvalho de Melo <acme@redhat.com>2011-01-11 23:42:19 -0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2011-01-22 19:56:28 -0200
commitf08199d314458610d4ca52f8e86e0a4ec7a7bc54 (patch)
tree80078cf09949aab97d9470f8126dc2b0ecc9656c /tools/perf/builtin-test.c
parent5c581041cf97aa7980b442de81ddea8273d6dcde (diff)
perf evsel: Support event groups
The perf_evsel__open now have an extra boolean argument specifying if event grouping is desired. The first file descriptor created on a CPU becomes the group leader. Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-test.c')
-rw-r--r--tools/perf/builtin-test.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
index 5dcdba653d70..4282d671b161 100644
--- a/tools/perf/builtin-test.c
+++ b/tools/perf/builtin-test.c
@@ -289,7 +289,7 @@ static int test__open_syscall_event(void)
goto out_thread_map_delete;
}
- if (perf_evsel__open_per_thread(evsel, threads) < 0) {
+ if (perf_evsel__open_per_thread(evsel, threads, false) < 0) {
pr_debug("failed to open counter: %s, "
"tweak /proc/sys/kernel/perf_event_paranoid?\n",
strerror(errno));
@@ -364,7 +364,7 @@ static int test__open_syscall_event_on_all_cpus(void)
goto out_thread_map_delete;
}
- if (perf_evsel__open(evsel, cpus, threads) < 0) {
+ if (perf_evsel__open(evsel, cpus, threads, false) < 0) {
pr_debug("failed to open counter: %s, "
"tweak /proc/sys/kernel/perf_event_paranoid?\n",
strerror(errno));