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authorLai Jiangshan <laijs@cn.fujitsu.com>2009-04-02 14:18:25 +0800
committerIngo Molnar <mingo@elte.hu>2009-04-14 02:11:05 +0200
commit132380a06b24704fd6c9be55c44d4ef3972cead2 (patch)
treeaa3fc07fc990efae702484c01e141b0355a98948
parent2e1c63b7ed36532b68f0eddd6a184d7ba1013b89 (diff)
downloadblackbird-op-linux-132380a06b24704fd6c9be55c44d4ef3972cead2.tar.gz
blackbird-op-linux-132380a06b24704fd6c9be55c44d4ef3972cead2.zip
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>
-rw-r--r--kernel/sched.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 5724508c3b66..e90e70ed36a3 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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