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Subject[tip:sched/urgent] tracing, sched: mark get_parent_ip() notrace
Commit-ID:  132380a06b24704fd6c9be55c44d4ef3972cead2
Gitweb: http://git.kernel.org/tip/132380a06b24704fd6c9be55c44d4ef3972cead2
Author: Lai Jiangshan <laijs@cn.fujitsu.com>
AuthorDate: Thu, 2 Apr 2009 14:18:25 +0800
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Tue, 14 Apr 2009 02:11:05 +0200

tracing, sched: mark get_parent_ip() notrace

Impact: remove overly redundant tracing entries

When tracer is "function" or "function_graph", way too much
"get_parent_ip" entries are recorded in ring_buffer.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Steven Rostedt <srostedt@redhat.com>
LKML-Reference: <49D458B1.5000703@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>


---
kernel/sched.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c
index 5724508..e90e70e 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4846,7 +4846,7 @@ void scheduler_tick(void)
#endif
}

-unsigned long get_parent_ip(unsigned long addr)
+notrace unsigned long get_parent_ip(unsigned long addr)
{
if (in_lock_functions(addr)) {
addr = CALLER_ADDR2;

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