diff options
| author | Olav Haugan <ohaugan@codeaurora.org> | 2016-08-15 15:52:50 -0700 |
|---|---|---|
| committer | Syed Rameez Mustafa <rameezmustafa@codeaurora.org> | 2016-08-22 14:06:34 -0700 |
| commit | fbc251af5ad5b14d1a782575833be7c7a77fde16 (patch) | |
| tree | 51bcac53e185630f0a395b29230cd16ed0444129 /include | |
| parent | 67e0df6e338edbf119ae2cb7abe52a460cb33851 (diff) | |
sched/fair: Add flag to indicate why we picked the CPU
Add a flag to the trace event that indicates why we picked a particular
CPU. This is very useful information/statistic that can be used to
analyse the effectiveness of the scheduler.
Change-Id: Ic9462fef751f9442ae504c09fbf4418e08f018b0
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/trace/events/sched.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index 8367eba91a2e..f35630045c2f 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -116,9 +116,9 @@ TRACE_EVENT(sched_enq_deq_task, TRACE_EVENT(sched_task_load, TP_PROTO(struct task_struct *p, bool boost, int reason, - bool sync, bool need_idle, bool fast_path, int best_cpu), + bool sync, bool need_idle, u32 flags, int best_cpu), - TP_ARGS(p, boost, reason, sync, need_idle, fast_path, best_cpu), + TP_ARGS(p, boost, reason, sync, need_idle, flags, best_cpu), TP_STRUCT__entry( __array( char, comm, TASK_COMM_LEN ) @@ -128,7 +128,7 @@ TRACE_EVENT(sched_task_load, __field( int, reason ) __field( bool, sync ) __field( bool, need_idle ) - __field( bool, fast_path ) + __field( u32, flags ) __field( int, best_cpu ) __field( u64, latency ) ), @@ -141,17 +141,17 @@ TRACE_EVENT(sched_task_load, __entry->reason = reason; __entry->sync = sync; __entry->need_idle = need_idle; - __entry->fast_path = fast_path; + __entry->flags = flags; __entry->best_cpu = best_cpu; __entry->latency = p->state == TASK_WAKING ? sched_ktime_clock() - p->ravg.mark_start : 0; ), - TP_printk("%d (%s): demand=%u boost=%d reason=%d sync=%d need_idle=%d fast_path=%d best_cpu=%d latency=%llu", + TP_printk("%d (%s): demand=%u boost=%d reason=%d sync=%d need_idle=%d flags=%x best_cpu=%d latency=%llu", __entry->pid, __entry->comm, __entry->demand, __entry->boost, __entry->reason, __entry->sync, - __entry->need_idle, __entry->fast_path, + __entry->need_idle, __entry->flags, __entry->best_cpu, __entry->latency) ); |