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| author |   Peter Zijlstra <peterz@infradead.org> | 2021-05-10 14:01:00 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-05-12 11:43:25 +0200 |
| commit | 0cd7c741f01de13dc1eecf22557593b3514639bb (patch) | |
| tree | 9d1031e2a5e08dc9d45a6670f4d8e6171be8864c /include/linux/delayacct.h | |
| parent | delayacct: Default disabled (diff) | |
| download | linux-dev-0cd7c741f01de13dc1eecf22557593b3514639bb.tar.xz linux-dev-0cd7c741f01de13dc1eecf22557593b3514639bb.zip | |
delayacct: Add sysctl to enable at runtime
Just like sched_schedstats, allow runtime enabling (and disabling) of
delayacct. This is useful if one forgot to add the delayacct boot time
option.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/YJkhebGJAywaZowX@hirez.programming.kicks-ass.net
Diffstat (limited to 'include/linux/delayacct.h')
| -rw-r--r-- | include/linux/delayacct.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/delayacct.h b/include/linux/delayacct.h index 225c8e01a111..af7e6eb50283 100644 --- a/include/linux/delayacct.h +++ b/include/linux/delayacct.h @@ -65,6 +65,10 @@ DECLARE_STATIC_KEY_FALSE(delayacct_key); extern int delayacct_on; /* Delay accounting turned on/off */ extern struct kmem_cache *delayacct_cache; extern void delayacct_init(void); + +extern int sysctl_delayacct(struct ctl_table *table, int write, void *buffer, + size_t *lenp, loff_t *ppos); + extern void __delayacct_tsk_init(struct task_struct *); extern void __delayacct_tsk_exit(struct task_struct *); extern void __delayacct_blkio_start(void); |