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| author | Lai Jiangshan <laijs@cn.fujitsu.com> | 2009-04-02 14:18:25 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-14 02:11:05 +0200 |
| commit | 132380a06b24704fd6c9be55c44d4ef3972cead2 (patch) | |
| tree | aa3fc07fc990efae702484c01e141b0355a98948 /kernel | |
| parent | 2e1c63b7ed36532b68f0eddd6a184d7ba1013b89 (diff) | |
| download | lwn-132380a06b24704fd6c9be55c44d4ef3972cead2.tar.gz lwn-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>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched.c | 2 |
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; |