From 4ac3ba41d372e3a9e420b36bc43589662b188a14 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 12 May 2008 21:20:52 +0200 Subject: ftrace: trace scheduler rbtree Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- kernel/trace/trace_sched_switch.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'kernel/trace/trace_sched_switch.c') diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c index 12658b3f2b28..5555b906a666 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); -- cgit v1.2.3