diff options
| author | Juri Lelli <juri.lelli@arm.com> | 2016-11-30 11:09:42 +0000 |
|---|---|---|
| committer | Andres Oportus <andresoportus@google.com> | 2017-06-02 08:01:51 -0700 |
| commit | 3c5c4e972472fc527d6b027fcdfa4d88444bff52 (patch) | |
| tree | 2be13e90588c9483ca553ea0cc84829d9a231c58 | |
| parent | f71d9f01c6fc165ba38cdab6cbb2e4443bd7e458 (diff) | |
trace/sched: add rq utilization signal for WALT
It is useful to be able to check current capacity against rq utilization
signal generated by WALT (to check how a cpufreq governor is behaving
for example).
Add rq utilization signal (same scale as capacity) to the walt_update_
task_ravg tracepoint.
Change-Id: I9aae3884a741d23ac494bef80d2303f107f135ce
Signed-off-by: Juri Lelli <juri.lelli@arm.com>
| -rw-r--r-- | include/trace/events/sched.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index c18d8c89bd12..1d758d18a1b7 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -984,6 +984,7 @@ TRACE_EVENT(walt_update_task_ravg, __field( int, cpu ) __field( u64, cs ) __field( u64, ps ) + __field(unsigned long, util ) __field( u32, curr_window ) __field( u32, prev_window ) __field( u64, nt_cs ) @@ -1008,6 +1009,8 @@ TRACE_EVENT(walt_update_task_ravg, __entry->irqtime = irqtime; __entry->cs = rq->curr_runnable_sum; __entry->ps = rq->prev_runnable_sum; + __entry->util = rq->prev_runnable_sum << SCHED_LOAD_SHIFT; + do_div(__entry->util, walt_ravg_window); __entry->curr_window = p->ravg.curr_window; __entry->prev_window = p->ravg.prev_window; __entry->nt_cs = rq->nt_curr_runnable_sum; @@ -1016,16 +1019,15 @@ TRACE_EVENT(walt_update_task_ravg, ), TP_printk("wc %llu ws %llu delta %llu event %d cpu %d cur_freq %u cur_pid %d task %d (%s) ms %llu delta %llu demand %u sum %u irqtime %llu" - " cs %llu ps %llu cur_window %u prev_window %u nt_cs %llu nt_ps %llu active_wins %u" + " cs %llu ps %llu util %lu cur_window %u prev_window %u active_wins %u" , __entry->wallclock, __entry->win_start, __entry->delta, __entry->evt, __entry->cpu, __entry->cur_freq, __entry->cur_pid, __entry->pid, __entry->comm, __entry->mark_start, __entry->delta_m, __entry->demand, __entry->sum, __entry->irqtime, - __entry->cs, __entry->ps, + __entry->cs, __entry->ps, __entry->util, __entry->curr_window, __entry->prev_window, - __entry->nt_cs, __entry->nt_ps, __entry->active_windows ) ); |