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authorIngo Molnar <mingo@kernel.org>2016-05-11 16:56:38 +0200
committerIngo Molnar <mingo@kernel.org>2016-05-11 16:56:38 +0200
commitd2950158d0d7bc376503393ca5f73f6f8d27c56b (patch)
tree7daa04400d833bd722258a49d56a39acfb392520 /kernel/trace
parentMerge tag 'perf-core-for-mingo-20160506' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (diff)
parentperf diff: Fix duplicated output column (diff)
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/trace')
-rw-r--r--kernel/trace/trace_events.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 05ddc0820771..6f965864cc02 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -2095,8 +2095,13 @@ event_create_dir(struct dentry *parent, struct trace_event_file *file)
trace_create_file("filter", 0644, file->dir, file,
&ftrace_event_filter_fops);
- trace_create_file("trigger", 0644, file->dir, file,
- &event_trigger_fops);
+ /*
+ * Only event directories that can be enabled should have
+ * triggers.
+ */
+ if (!(call->flags & TRACE_EVENT_FL_IGNORE_ENABLE))
+ trace_create_file("trigger", 0644, file->dir, file,
+ &event_trigger_fops);
trace_create_file("format", 0444, file->dir, call,
&ftrace_event_format_fops);