diff options
| author | Patrick Bellasi <patrick.bellasi@arm.com> | 2015-06-22 13:51:07 +0100 |
|---|---|---|
| committer | Punit Agrawal <punit.agrawal@arm.com> | 2016-03-21 14:57:44 +0000 |
| commit | f9f68de79c8ed0b669dd683d41b72885fc4aef06 (patch) | |
| tree | 27fcdb6ac4b2ea7ee50bfa5d1f50a32fd04bb9a9 | |
| parent | e7de7e0c0423335ca4877282402c52676521bcd0 (diff) | |
DEBUG: schedtune: add tracepoint for CPU boost signal
Signed-off-by: Patrick Bellasi <patrick.bellasi@arm.com>
| -rw-r--r-- | include/trace/events/sched.h | 27 | ||||
| -rw-r--r-- | kernel/sched/fair.c | 2 |
2 files changed, 29 insertions, 0 deletions
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index 8ae43a2ebfda..eb812071458b 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -675,6 +675,33 @@ TRACE_EVENT(sched_tune_config, TP_printk("boost=%d ", __entry->boost) ); +/* + * Tracepoint for accounting CPU boosted utilization + */ +TRACE_EVENT(sched_boost_cpu, + + TP_PROTO(int cpu, unsigned long util, unsigned long margin), + + TP_ARGS(cpu, util, margin), + + TP_STRUCT__entry( + __field( int, cpu ) + __field( unsigned long, util ) + __field( unsigned long, margin ) + ), + + TP_fast_assign( + __entry->cpu = cpu; + __entry->util = util; + __entry->margin = margin; + ), + + TP_printk("cpu=%d util=%lu margin=%lu", + __entry->cpu, + __entry->util, + __entry->margin) +); + #endif /* _TRACE_SCHED_H */ /* This part must be outside protection */ diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 9b74b86aba3a..3bc56e0ea1ab 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -5272,6 +5272,8 @@ boosted_cpu_util(int cpu) unsigned long util = cpu_util(cpu); unsigned long margin = schedtune_cpu_margin(util, cpu); + trace_sched_boost_cpu(cpu, util, margin); + return util + margin; } |