From: Masami Hiramatsu <[email protected]> Fix to increment probe hit-count for function return event.
Link: http://lkml.kernel.org/r/20130509054424.30398.34058.stgit@mhiramat-M0-7522 Cc: Frederic Weisbecker <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Tom Zanussi <[email protected]> Cc: Oleg Nesterov <[email protected]> Cc: Srikar Dronamraju <[email protected]> Signed-off-by: Masami Hiramatsu <[email protected]> Signed-off-by: Steven Rostedt <[email protected]> --- kernel/trace/trace_kprobe.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 1865d5f..6928633 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -767,6 +767,8 @@ static __kprobes void kretprobe_trace_func(struct kretprobe_instance *ri, unsigned long irq_flags; struct ftrace_event_call *call = &tp->call; + tp->nhit++; + local_save_flags(irq_flags); pc = preempt_count(); -- 1.7.10.4
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