Increment probe hit-count for profiling even if it is used
by perf tool. Same thing has already done in trace_uprobe.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu...@hitachi.com>
Cc: Steven Rostedt <rost...@goodmis.org>
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>
---
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
--
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