Home
last modified time | relevance | path

Searched refs:use_delay (Results 1 – 6 of 6) sorted by relevance

/linux/block/
H A Dblk-cgroup.h85 atomic_t use_delay; member
397 if (WARN_ON_ONCE(atomic_read(&blkg->use_delay) < 0)) in blkcg_use_delay()
399 if (atomic_add_return(1, &blkg->use_delay) == 1) in blkcg_use_delay()
405 int old = atomic_read(&blkg->use_delay); in blkcg_unuse_delay()
419 while (old && !atomic_try_cmpxchg(&blkg->use_delay, &old, old - 1)) in blkcg_unuse_delay()
440 int old = atomic_read(&blkg->use_delay); in blkcg_set_delay()
443 if (!old && atomic_try_cmpxchg(&blkg->use_delay, &old, -1)) in blkcg_set_delay()
457 int old = atomic_read(&blkg->use_delay); in blkcg_clear_delay()
460 if (old && atomic_try_cmpxchg(&blkg->use_delay, &old, 0)) in blkcg_clear_delay()
H A Dblk-cgroup.c1169 if (blkcg_debug_stats && atomic_read(&blkg->use_delay)) { in blkcg_print_one_stat()
1170 seq_printf(s, " use_delay=%d delay_nsec=%llu", in blkcg_print_one_stat()
1171 atomic_read(&blkg->use_delay), in blkcg_print_one_stat()
1861 /* negative use_delay means no scaling, see blkcg_set_delay() */ in blkcg_scale_delay()
1862 if (atomic_read(&blkg->use_delay) < 0) in blkcg_scale_delay()
1873 * the use_delay counter. The idea is if we're unthrottling the blkg we in blkcg_scale_delay()
1882 int cur_use = atomic_read(&blkg->use_delay); in blkcg_scale_delay()
1924 int use_delay = atomic_read(&blkg->use_delay); in blkcg_maybe_throttle_blkg() local
1926 if (use_delay) { in blkcg_maybe_throttle_blkg()
[all...]
H A Dblk-iolatency.c292 unsigned use_delay = atomic_read(&lat_to_blkg(iolat)->use_delay); in __blkcg_iolatency_throttle() local
294 if (use_delay) in __blkcg_iolatency_throttle()
H A Dblk-iocost.c2292 !atomic_read(&iocg_to_blkg(iocg)->use_delay) && in ioc_timer_fn()
/linux/tools/cgroup/
H A Diocost_monitor.py170 if blkg.use_delay.counter.value_() != 0:
/linux/Documentation/admin-guide/
H A Dcgroup-v2.rst2318 originating group is being throttled you will see the use_delay and delay_nsec