diff options
| author | Patrick Bellasi <patrick.bellasi@arm.com> | 2015-06-22 13:51:07 +0100 |
|---|---|---|
| committer | Amit Pundir <amit.pundir@linaro.org> | 2016-09-14 14:59:32 +0530 |
| commit | 37437e7367e443498a23f49144471a4f3594121d (patch) | |
| tree | d94611a66509396615cb7891e44db3d4d9024a7d | |
| parent | 9b8dc08c8883d423a97a591cee139937b6f5b050 (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 f4ce46f0a4c4..d5563004033f 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -724,6 +724,33 @@ 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 7d1302d85818..4fd9ddad3f69 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -5293,6 +5293,8 @@ 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; } |