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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>
This commit is contained in:
Lai Jiangshan 2009-04-02 14:18:25 +08:00 committed by Ingo Molnar
parent 2e1c63b7ed
commit 132380a06b
1 changed files with 1 additions and 1 deletions
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2
kernel/sched.c
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@ -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;