apfs/linux-apfs
0
0
Fork 0
mirror of https://github.com/linux-apfs/linux-apfs.git synced 2026-05-01 15:00:59 -07:00
Code Issues Packages Projects Releases Wiki Activity

Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Browse Source 
* '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:
Linus Torvalds
2012-02-27 07:55:39 -08:00
parent faf3502a3f 8c79a045fd
commit 70ca00db10
3 changed files with 2 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/trace/events/sched.h
-50
View File
@@ -370,56 +370,6 @@ TRACE_EVENT(sched_stat_runtime,
(unsigned long long)__entry->vruntime)
);
#ifdef CREATE_TRACE_POINTS
static inline u64 trace_get_sleeptime(struct task_struct *tsk)
{
#ifdef CONFIG_SCHEDSTATS
u64 block, sleep;
block = tsk->se.statistics.block_start;
sleep = tsk->se.statistics.sleep_start;
tsk->se.statistics.block_start = 0;
tsk->se.statistics.sleep_start = 0;
return block ? block : sleep ? sleep : 0;
#else
return 0;
#endif
}
#endif
/*
* Tracepoint for accounting sleeptime (time the task is sleeping
* or waiting for I/O).
*/
TRACE_EVENT(sched_stat_sleeptime,
TP_PROTO(struct task_struct *tsk, u64 now),
TP_ARGS(tsk, now),
TP_STRUCT__entry(
__array( char, comm, TASK_COMM_LEN )
__field( pid_t, pid )
__field( u64, sleeptime )
),
TP_fast_assign(
memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
__entry->pid = tsk->pid;
__entry->sleeptime = trace_get_sleeptime(tsk);
__entry->sleeptime = __entry->sleeptime ?
now - __entry->sleeptime : 0;
)
TP_perf_assign(
__perf_count(__entry->sleeptime);
),
TP_printk("comm=%s pid=%d sleeptime=%Lu [ns]",
__entry->comm, __entry->pid,
(unsigned long long)__entry->sleeptime)
);
/*
* Tracepoint for showing priority inheritance modifying a tasks
* priority.