From f4b5ffccc83c82947f5d9f15d6f1b6edb1b71cd7 Mon Sep 17 00:00:00 2001
From: Jason Baron <jbaron@redhat.com>
Date: Mon, 10 Aug 2009 16:53:02 -0400
Subject: tracing: Add perf counter support for syscalls tracing

The perf counter support is automated for usual trace events. But we
have to define specific callbacks for this to handle syscalls trace
events

Make 'perf stat -e syscalls:sys_enter_blah' work with syscall style
tracepoints.

Signed-off-by: Jason Baron <jbaron@redhat.com>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Jiaying Zhang <jiayingz@google.com>
Cc: Martin Bligh <mbligh@google.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Masami Hiramatsu <mhiramat@redhat.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
 include/linux/perf_counter.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'include/linux/perf_counter.h')

diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index a9d823a93fe..8e6460fb4c0 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -734,6 +734,8 @@ extern int sysctl_perf_counter_mlock;
 extern int sysctl_perf_counter_sample_rate;
 
 extern void perf_counter_init(void);
+extern void perf_tpcounter_event(int event_id, u64 addr, u64 count,
+				 void *record, int entry_size);
 
 #ifndef perf_misc_flags
 #define perf_misc_flags(regs)	(user_mode(regs) ? PERF_EVENT_MISC_USER : \
-- 
cgit v1.2.3-70-g09d2