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authorIngo Molnar <mingo@elte.hu>2008-05-12 21:20:52 +0200
committerThomas Gleixner <tglx@linutronix.de>2008-05-23 21:07:31 +0200
commit4ac3ba41d372e3a9e420b36bc43589662b188a14 (patch)
treeb8dd93a0226a92b5f55e5ff1e51712424a7be729 /kernel/trace/trace_sched_switch.c
parent1a3c3034336320554a3342572dae98d69e054fc7 (diff)
downloadop-kernel-dev-4ac3ba41d372e3a9e420b36bc43589662b188a14.zip
op-kernel-dev-4ac3ba41d372e3a9e420b36bc43589662b188a14.tar.gz
ftrace: trace scheduler rbtree
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/trace/trace_sched_switch.c')
-rw-r--r--kernel/trace/trace_sched_switch.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c
index 12658b3..5555b90 100644
--- a/kernel/trace/trace_sched_switch.c
+++ b/kernel/trace/trace_sched_switch.c
@@ -36,7 +36,8 @@ ctx_switch_func(void *__rq, struct task_struct *prev, struct task_struct *next)
if (likely(disabled == 1)) {
tracing_sched_switch_trace(tr, data, prev, next, flags);
- ftrace_all_fair_tasks(__rq, tr, data);
+ if (trace_flags & TRACE_ITER_SCHED_TREE)
+ ftrace_all_fair_tasks(__rq, tr, data);
}
atomic_dec(&data->disabled);
@@ -62,7 +63,8 @@ wakeup_func(void *__rq, struct task_struct *wakee, struct task_struct *curr)
if (likely(disabled == 1)) {
tracing_sched_wakeup_trace(tr, data, wakee, curr, flags);
- ftrace_all_fair_tasks(__rq, tr, data);
+ if (trace_flags & TRACE_ITER_SCHED_TREE)
+ ftrace_all_fair_tasks(__rq, tr, data);
}
atomic_dec(&data->disabled);
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