From: Masami Hiramatsu <masami.hiramatsu...@hitachi.com> Increment probe hit-count for profiling even if it is used by perf tool. Same thing has already done in trace_uprobe.
Link: http://lkml.kernel.org/r/20130509054436.30398.21133.stgit@mhiramat-M0-7522 Cc: Frederic Weisbecker <fweis...@gmail.com> Cc: Ingo Molnar <mi...@redhat.com> Cc: Tom Zanussi <tom.zanu...@intel.com> Cc: Oleg Nesterov <o...@redhat.com> Cc: Srikar Dronamraju <sri...@linux.vnet.ibm.com> Signed-off-by: Masami Hiramatsu <masami.hiramatsu...@hitachi.com> Signed-off-by: Steven Rostedt <rost...@goodmis.org> --- kernel/trace/trace_kprobe.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 0b7386a..6e86fbb 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -733,8 +733,6 @@ static __kprobes void kprobe_trace_func(struct kprobe *kp, struct pt_regs *regs) unsigned long irq_flags; struct ftrace_event_call *call = &tp->call; - tp->nhit++; - local_save_flags(irq_flags); pc = preempt_count(); @@ -767,8 +765,6 @@ 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(); @@ -1075,6 +1071,8 @@ int kprobe_dispatcher(struct kprobe *kp, struct pt_regs *regs) { struct trace_probe *tp = container_of(kp, struct trace_probe, rp.kp); + tp->nhit++; + if (tp->flags & TP_FLAG_TRACE) kprobe_trace_func(kp, regs); #ifdef CONFIG_PERF_EVENTS @@ -1089,6 +1087,8 @@ int kretprobe_dispatcher(struct kretprobe_instance *ri, struct pt_regs *regs) { struct trace_probe *tp = container_of(ri->rp, struct trace_probe, rp); + tp->nhit++; + if (tp->flags & TP_FLAG_TRACE) kretprobe_trace_func(ri, regs); #ifdef CONFIG_PERF_EVENTS -- 1.7.10.4
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