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authorSteven Rostedt <srostedt@redhat.com>2009-01-22 01:17:04 +0300
committerIngo Molnar <mingo@elte.hu>2009-01-22 12:27:39 +0300
commitf8ec1062f589cdb1cffcffab1376124a1bc08500 (patch)
treec27f47b2ceaf977b13c13c008f64acc02e52abdf /kernel/trace/trace_sched_wakeup.c
parent3244351c31211a8b1ba8b4b34c3de04d5dfa03e4 (diff)
downloadlinux-f8ec1062f589cdb1cffcffab1376124a1bc08500.tar.xz
wakeup-tracer: show scheduling data in output
Impact: better data for wakeup tracer This patch adds the wakeup and schedule calls that are used by the scheduler tracer to make the wakeup tracer more readable. Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/trace_sched_wakeup.c')
-rw-r--r--kernel/trace/trace_sched_wakeup.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
index f48957886102..93cecda650b2 100644
--- a/kernel/trace/trace_sched_wakeup.c
+++ b/kernel/trace/trace_sched_wakeup.c
@@ -153,6 +153,7 @@ probe_wakeup_sched_switch(struct rq *rq, struct task_struct *prev,
goto out_unlock;
trace_function(wakeup_trace, data, CALLER_ADDR1, CALLER_ADDR2, flags, pc);
+ tracing_sched_switch_trace(wakeup_trace, data, prev, next, flags, pc);
/*
* usecs conversion is slow so we try to delay the conversion
@@ -214,6 +215,7 @@ static void wakeup_reset(struct trace_array *tr)
static void
probe_wakeup(struct rq *rq, struct task_struct *p, int success)
{
+ struct trace_array_cpu *data;
int cpu = smp_processor_id();
unsigned long flags;
long disabled;
@@ -253,9 +255,12 @@ probe_wakeup(struct rq *rq, struct task_struct *p, int success)
local_save_flags(flags);
- wakeup_trace->data[wakeup_cpu]->preempt_timestamp = ftrace_now(cpu);
- trace_function(wakeup_trace, wakeup_trace->data[wakeup_cpu],
- CALLER_ADDR1, CALLER_ADDR2, flags, pc);
+ data = wakeup_trace->data[wakeup_cpu];
+ data->preempt_timestamp = ftrace_now(cpu);
+ tracing_sched_wakeup_trace(wakeup_trace, data, p, current,
+ flags, pc);
+ trace_function(wakeup_trace, data, CALLER_ADDR1, CALLER_ADDR2,
+ flags, pc);
out_locked:
__raw_spin_unlock(&wakeup_lock);