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ftrace: start wakeup tracing after setting function tracer

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Enabling the wakeup tracer before enabling the function tracing causes
some strange results due to the dynamic enabling of the functions.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Cc: Steven Rostedt <srostedt@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Steven Rostedt
2008-07-10 20:58:13 -04:00
committed by Ingo Molnar
parent b5c21b4514
commit ad591240ce
1 changed files with 2 additions and 1 deletions
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3
kernel/trace/trace_sched_wakeup.c
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@@ -352,9 +352,10 @@ static void start_wakeup_tracer(struct trace_array *tr)
*/ */
smp_wmb(); smp_wmb();
tracer_enabled = 1;
register_ftrace_function(&trace_ops); register_ftrace_function(&trace_ops);
tracer_enabled = 1;
return; return;
fail_deprobe_wake_new: fail_deprobe_wake_new:
marker_probe_unregister("kernel_sched_wakeup_new", marker_probe_unregister("kernel_sched_wakeup_new",