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authorSteven Rostedt <srostedt@redhat.com>2011-08-09 00:57:47 +0400
committerSteven Rostedt <rostedt@goodmis.org>2012-07-19 21:17:35 +0400
commit2f5f6ad9390c1ebbf738d130dbfe80b60eaa167e (patch)
tree1a88c37725d3efbcde8fa0a3cf19490d793877f0 /kernel/trace/trace_event_perf.c
parent6e0f17be0361444862637e8986c8c1a3b3f8dcf8 (diff)
downloadlinux-2f5f6ad9390c1ebbf738d130dbfe80b60eaa167e.tar.xz
ftrace: Pass ftrace_ops as third parameter to function trace callback
Currently the function trace callback receives only the ip and parent_ip of the function that it traced. It would be more powerful to also return the ops that registered the function as well. This allows the same function to act differently depending on what ftrace_ops registered it. Link: http://lkml.kernel.org/r/20120612225424.267254552@goodmis.org Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_event_perf.c')
-rw-r--r--kernel/trace/trace_event_perf.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c
index fee3752ae8f6..a872a9a298a0 100644
--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -258,7 +258,8 @@ EXPORT_SYMBOL_GPL(perf_trace_buf_prepare);
#ifdef CONFIG_FUNCTION_TRACER
static void
-perf_ftrace_function_call(unsigned long ip, unsigned long parent_ip)
+perf_ftrace_function_call(unsigned long ip, unsigned long parent_ip,
+ struct ftrace_ops *ops)
{
struct ftrace_entry *entry;
struct hlist_head *head;