diff options
| -rw-r--r-- | include/trace/events/sched.h | 25 | ||||
| -rw-r--r-- | kernel/sched/tune.c | 5 |
2 files changed, 30 insertions, 0 deletions
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index 32ce2e7f864e..7308931f88d7 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -851,6 +851,31 @@ TRACE_EVENT(sched_tune_filter, __entry->nrg_payoff, __entry->region) ); +/* + * Tracepoint for schedtune_boostgroup_update + */ +TRACE_EVENT(sched_tune_boostgroup_update, + + TP_PROTO(int cpu, int variation, int max_boost), + + TP_ARGS(cpu, variation, max_boost), + + TP_STRUCT__entry( + __field( int, cpu ) + __field( int, variation ) + __field( int, max_boost ) + ), + + TP_fast_assign( + __entry->cpu = cpu; + __entry->variation = variation; + __entry->max_boost = max_boost; + ), + + TP_printk("cpu=%d variation=%d max_boost=%d", + __entry->cpu, __entry->variation, __entry->max_boost) +); + #endif /* _TRACE_SCHED_H */ /* This part must be outside protection */ diff --git a/kernel/sched/tune.c b/kernel/sched/tune.c index 9760a3f0b5cd..2ec7e63524a5 100644 --- a/kernel/sched/tune.c +++ b/kernel/sched/tune.c @@ -348,13 +348,18 @@ schedtune_boostgroup_update(int idx, int boost) /* Check if this update increase current max */ if (boost > cur_boost_max && bg->group[idx].tasks) { bg->boost_max = boost; + trace_sched_tune_boostgroup_update(cpu, 1, bg->boost_max); continue; } /* Check if this update has decreased current max */ if (cur_boost_max == old_boost && old_boost > boost) { schedtune_cpu_update(cpu); + trace_sched_tune_boostgroup_update(cpu, -1, bg->boost_max); + continue; } + + trace_sched_tune_boostgroup_update(cpu, 0, bg->boost_max); } return 0; |