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authorThomas Gleixner <tglx@linutronix.de>2009-05-20 09:02:28 +0200
committerThomas Gleixner <tglx@linutronix.de>2009-05-20 09:02:28 +0200
commit521c180874dae86f675d23c4eade4dba8b1f2cc8 (patch)
tree7509303da3a9a1b40a26f6811f321c89cd31737b /kernel/trace/trace_event_profile.c
parentf1a11e0576c7a73d759d05d776692b2b2d37172b (diff)
parent64d1304a64477629cb16b75491a77bafe6f86963 (diff)
Merge branch 'core/urgent' into core/futexes
Merge reason: this branch was on an pre -rc1 base, merge it up to -rc6+ to get the latest upstream fixes. Conflicts: kernel/futex.c Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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);
+ }
+}
+