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Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/events: Revert trace_sched_stat_sleeptime()
This commit is contained in:
commit
70ca00db10
3 changed files with 2 additions and 51 deletions
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@ -370,56 +370,6 @@ TRACE_EVENT(sched_stat_runtime,
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(unsigned long long)__entry->vruntime)
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);
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#ifdef CREATE_TRACE_POINTS
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static inline u64 trace_get_sleeptime(struct task_struct *tsk)
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{
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#ifdef CONFIG_SCHEDSTATS
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u64 block, sleep;
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block = tsk->se.statistics.block_start;
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sleep = tsk->se.statistics.sleep_start;
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tsk->se.statistics.block_start = 0;
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tsk->se.statistics.sleep_start = 0;
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return block ? block : sleep ? sleep : 0;
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#else
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return 0;
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#endif
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}
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#endif
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/*
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* Tracepoint for accounting sleeptime (time the task is sleeping
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* or waiting for I/O).
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*/
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TRACE_EVENT(sched_stat_sleeptime,
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TP_PROTO(struct task_struct *tsk, u64 now),
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TP_ARGS(tsk, now),
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TP_STRUCT__entry(
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__array( char, comm, TASK_COMM_LEN )
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__field( pid_t, pid )
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__field( u64, sleeptime )
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),
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TP_fast_assign(
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memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
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__entry->pid = tsk->pid;
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__entry->sleeptime = trace_get_sleeptime(tsk);
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__entry->sleeptime = __entry->sleeptime ?
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now - __entry->sleeptime : 0;
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)
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TP_perf_assign(
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__perf_count(__entry->sleeptime);
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),
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TP_printk("comm=%s pid=%d sleeptime=%Lu [ns]",
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__entry->comm, __entry->pid,
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(unsigned long long)__entry->sleeptime)
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);
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/*
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* Tracepoint for showing priority inheritance modifying a tasks
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* priority.
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@ -1932,7 +1932,6 @@ static void finish_task_switch(struct rq *rq, struct task_struct *prev)
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local_irq_enable();
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#endif /* __ARCH_WANT_INTERRUPTS_ON_CTXSW */
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finish_lock_switch(rq, prev);
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trace_sched_stat_sleeptime(current, rq->clock);
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fire_sched_in_preempt_notifiers(current);
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if (mm)
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@ -1003,6 +1003,7 @@ static void enqueue_sleeper(struct cfs_rq *cfs_rq, struct sched_entity *se)
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if (unlikely(delta > se->statistics.sleep_max))
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se->statistics.sleep_max = delta;
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se->statistics.sleep_start = 0;
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se->statistics.sum_sleep_runtime += delta;
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if (tsk) {
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@ -1019,6 +1020,7 @@ static void enqueue_sleeper(struct cfs_rq *cfs_rq, struct sched_entity *se)
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if (unlikely(delta > se->statistics.block_max))
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se->statistics.block_max = delta;
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se->statistics.block_start = 0;
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se->statistics.sum_sleep_runtime += delta;
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if (tsk) {
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