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| author | Steven Rostedt <srostedt@redhat.com> | 2009-01-21 17:17:04 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-22 10:27:39 +0100 |
| commit | f8ec1062f589cdb1cffcffab1376124a1bc08500 (patch) | |
| tree | c27f47b2ceaf977b13c13c008f64acc02e52abdf /kernel/trace/trace_sched_wakeup.c | |
| parent | 3244351c31211a8b1ba8b4b34c3de04d5dfa03e4 (diff) | |
| download | talos-obmc-linux-f8ec1062f589cdb1cffcffab1376124a1bc08500.tar.gz talos-obmc-linux-f8ec1062f589cdb1cffcffab1376124a1bc08500.zip | |
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.c | 11 |
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); |
