archive/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2025-08-15 14:11:42 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

delayacct: remove redundant code and adjust indentation

Browse source 
Remove redundant code and adjust indentation of xxx_delay_max/min.

Link: https://lkml.kernel.org/r/20250521093157668iQrhhcMjA-th5LQf4-A3c@zte.com.cn
Signed-off-by: Wang Yaxin <wang.yaxin@zte.com.cn>
Signed-off-by: Jiang Kun <jiang.kun2@zte.com.cn>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: xu xin <xu.xin16@zte.com.cn>
Cc: Yang Yang <yang.yang29@zte.com.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Wang Yaxin 2025-05-21 09:31:57 +08:00 • committed by Andrew Morton
parent 2e227ff5e2
commit 5ef2dccfcc
1 changed files with 16 additions and 35 deletions
Download patch file Download diff file Expand all files Collapse all files

51
kernel/delayacct.c
View file

@ -14,6 +14,15 @@
#include <linux/delayacct.h>
#include <linux/module.h>
#define UPDATE_DELAY(type) \
do { \
d->type##_delay_max = tsk->delays->type##_delay_max; \
d->type##_delay_min = tsk->delays->type##_delay_min; \
tmp = d->type##_delay_total + tsk->delays->type##_delay; \
d->type##_delay_total = (tmp < d->type##_delay_total) ? 0 : tmp; \
d->type##_count += tsk->delays->type##_count; \
} while (0)
DEFINE_STATIC_KEY_FALSE(delayacct_key);
int delayacct_on __read_mostly; /* Delay accounting turned on/off */
struct kmem_cache *delayacct_cache;
@ -173,41 +182,13 @@ int delayacct_add_tsk(struct taskstats *d, struct task_struct *tsk)
/* zero XXX_total, non-zero XXX_count implies XXX stat overflowed */
raw_spin_lock_irqsave(&tsk->delays->lock, flags);
d->blkio_delay_max = tsk->delays->blkio_delay_max;
d->blkio_delay_min = tsk->delays->blkio_delay_min;
tmp = d->blkio_delay_total + tsk->delays->blkio_delay;
d->blkio_delay_total = (tmp < d->blkio_delay_total) ? 0 : tmp;
d->swapin_delay_max = tsk->delays->swapin_delay_max;
d->swapin_delay_min = tsk->delays->swapin_delay_min;
tmp = d->swapin_delay_total + tsk->delays->swapin_delay;
d->swapin_delay_total = (tmp < d->swapin_delay_total) ? 0 : tmp;
d->freepages_delay_max = tsk->delays->freepages_delay_max;
d->freepages_delay_min = tsk->delays->freepages_delay_min;
tmp = d->freepages_delay_total + tsk->delays->freepages_delay;
d->freepages_delay_total = (tmp < d->freepages_delay_total) ? 0 : tmp;
d->thrashing_delay_max = tsk->delays->thrashing_delay_max;
d->thrashing_delay_min = tsk->delays->thrashing_delay_min;
tmp = d->thrashing_delay_total + tsk->delays->thrashing_delay;
d->thrashing_delay_total = (tmp < d->thrashing_delay_total) ? 0 : tmp;
d->compact_delay_max = tsk->delays->compact_delay_max;
d->compact_delay_min = tsk->delays->compact_delay_min;
tmp = d->compact_delay_total + tsk->delays->compact_delay;
d->compact_delay_total = (tmp < d->compact_delay_total) ? 0 : tmp;
d->wpcopy_delay_max = tsk->delays->wpcopy_delay_max;
d->wpcopy_delay_min = tsk->delays->wpcopy_delay_min;
tmp = d->wpcopy_delay_total + tsk->delays->wpcopy_delay;
d->wpcopy_delay_total = (tmp < d->wpcopy_delay_total) ? 0 : tmp;
d->irq_delay_max = tsk->delays->irq_delay_max;
d->irq_delay_min = tsk->delays->irq_delay_min;
tmp = d->irq_delay_total + tsk->delays->irq_delay;
d->irq_delay_total = (tmp < d->irq_delay_total) ? 0 : tmp;
d->blkio_count += tsk->delays->blkio_count;
d->swapin_count += tsk->delays->swapin_count;
d->freepages_count += tsk->delays->freepages_count;
d->thrashing_count += tsk->delays->thrashing_count;
d->compact_count += tsk->delays->compact_count;
d->wpcopy_count += tsk->delays->wpcopy_count;
d->irq_count += tsk->delays->irq_count;
UPDATE_DELAY(blkio);
UPDATE_DELAY(swapin);
UPDATE_DELAY(freepages);
UPDATE_DELAY(thrashing);
UPDATE_DELAY(compact);
UPDATE_DELAY(wpcopy);
UPDATE_DELAY(irq);
raw_spin_unlock_irqrestore(&tsk->delays->lock, flags);
return 0;