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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2013-05-09 14:44:24 +0900
committerSteven Rostedt <rostedt@goodmis.org>2013-05-09 20:13:51 -0400
commitcce2c8f26704529f592fc124c7c6ad399940dc5d (patch)
treea8c2479f819da73358358e0c39308accb8402817 /kernel
parent3f2367ba7cbf13ec0f3f1e93b833a7eacd1ab4b8 (diff)
downloadlinux-linaro-stable-cce2c8f26704529f592fc124c7c6ad399940dc5d.tar.gz
tracing/kprobes: Fix to increment return event probe hit-count
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 <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Tom Zanussi <tom.zanussi@intel.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/trace/trace_kprobe.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 1865d5f76538..69286337fd7e 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();