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authorIngo Molnar <mingo@elte.hu>2009-04-01 21:54:19 +0200
committerIngo Molnar <mingo@elte.hu>2009-04-02 00:49:02 +0200
commit8302294f43250dc337108c51882a6007f2b1e2e0 (patch)
tree85acd4440799c46a372df9cad170fa0c21e59096 /kernel/trace/trace_event_profile.c
parent4fe70410d9a219dabb47328effccae7e7f2a6e26 (diff)
parent2e572895bf3203e881356a4039ab0fa428ed2639 (diff)
Merge branch 'tracing/core-v2' into tracing-for-linus
Conflicts: include/linux/slub_def.h lib/Kconfig.debug mm/slob.c mm/slub.c
Diffstat (limited to 'kernel/trace/trace_event_profile.c')
-rw-r--r--kernel/trace/trace_event_profile.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/kernel/trace/trace_event_profile.c b/kernel/trace/trace_event_profile.c
new file mode 100644
index 00000000000..22cba997077
--- /dev/null
+++ b/kernel/trace/trace_event_profile.c
@@ -0,0 +1,31 @@
+/*
+ * trace event based perf counter profiling
+ *
+ * Copyright (C) 2009 Red Hat Inc, Peter Zijlstra <pzijlstr@redhat.com>
+ *
+ */
+
+#include "trace.h"
+
+int ftrace_profile_enable(int event_id)
+{
+ struct ftrace_event_call *event;
+
+ for_each_event(event) {
+ if (event->id == event_id)
+ return event->profile_enable(event);
+ }
+
+ return -EINVAL;
+}
+
+void ftrace_profile_disable(int event_id)
+{
+ struct ftrace_event_call *event;
+
+ for_each_event(event) {
+ if (event->id == event_id)
+ return event->profile_disable(event);
+ }
+}
+