diff options
Diffstat (limited to 'kernel/sched/cputime.c')
-rw-r--r-- | kernel/sched/cputime.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index 7dc155371b95..220fdc4db770 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c | |||
@@ -516,14 +516,18 @@ static cputime_t scale_utime(cputime_t utime, cputime_t rtime, cputime_t total) | |||
516 | return (__force cputime_t) temp; | 516 | return (__force cputime_t) temp; |
517 | } | 517 | } |
518 | 518 | ||
519 | void task_cputime_adjusted(struct task_struct *p, cputime_t *ut, cputime_t *st) | 519 | static void cputime_adjust(struct task_cputime *curr, |
520 | struct cputime *prev, | ||
521 | cputime_t *ut, cputime_t *st) | ||
520 | { | 522 | { |
521 | cputime_t rtime, utime = p->utime, total = utime + p->stime; | 523 | cputime_t rtime, utime, total; |
522 | 524 | ||
525 | utime = curr->utime; | ||
526 | total = utime + curr->stime; | ||
523 | /* | 527 | /* |
524 | * Use CFS's precise accounting: | 528 | * Use CFS's precise accounting: |
525 | */ | 529 | */ |
526 | rtime = nsecs_to_cputime(p->se.sum_exec_runtime); | 530 | rtime = nsecs_to_cputime(curr->sum_exec_runtime); |
527 | 531 | ||
528 | if (total) | 532 | if (total) |
529 | utime = scale_utime(utime, rtime, total); | 533 | utime = scale_utime(utime, rtime, total); |
@@ -533,11 +537,22 @@ void task_cputime_adjusted(struct task_struct *p, cputime_t *ut, cputime_t *st) | |||
533 | /* | 537 | /* |
534 | * Compare with previous values, to keep monotonicity: | 538 | * Compare with previous values, to keep monotonicity: |
535 | */ | 539 | */ |
536 | p->prev_utime = max(p->prev_utime, utime); | 540 | prev->utime = max(prev->utime, utime); |
537 | p->prev_stime = max(p->prev_stime, rtime - p->prev_utime); | 541 | prev->stime = max(prev->stime, rtime - prev->utime); |
542 | |||
543 | *ut = prev->utime; | ||
544 | *st = prev->stime; | ||
545 | } | ||
538 | 546 | ||
539 | *ut = p->prev_utime; | 547 | void task_cputime_adjusted(struct task_struct *p, cputime_t *ut, cputime_t *st) |
540 | *st = p->prev_stime; | 548 | { |
549 | struct task_cputime cputime = { | ||
550 | .utime = p->utime, | ||
551 | .stime = p->stime, | ||
552 | .sum_exec_runtime = p->se.sum_exec_runtime, | ||
553 | }; | ||
554 | |||
555 | cputime_adjust(&cputime, &p->prev_cputime, ut, st); | ||
541 | } | 556 | } |
542 | 557 | ||
543 | /* | 558 | /* |
@@ -545,24 +560,9 @@ void task_cputime_adjusted(struct task_struct *p, cputime_t *ut, cputime_t *st) | |||
545 | */ | 560 | */ |
546 | void thread_group_cputime_adjusted(struct task_struct *p, cputime_t *ut, cputime_t *st) | 561 | void thread_group_cputime_adjusted(struct task_struct *p, cputime_t *ut, cputime_t *st) |
547 | { | 562 | { |
548 | struct signal_struct *sig = p->signal; | ||
549 | struct task_cputime cputime; | 563 | struct task_cputime cputime; |
550 | cputime_t rtime, utime, total; | ||
551 | 564 | ||
552 | thread_group_cputime(p, &cputime); | 565 | thread_group_cputime(p, &cputime); |
553 | 566 | cputime_adjust(&cputime, &p->signal->prev_cputime, ut, st); | |
554 | total = cputime.utime + cputime.stime; | ||
555 | rtime = nsecs_to_cputime(cputime.sum_exec_runtime); | ||
556 | |||
557 | if (total) | ||
558 | utime = scale_utime(cputime.utime, rtime, total); | ||
559 | else | ||
560 | utime = rtime; | ||
561 | |||
562 | sig->prev_utime = max(sig->prev_utime, utime); | ||
563 | sig->prev_stime = max(sig->prev_stime, rtime - sig->prev_utime); | ||
564 | |||
565 | *ut = sig->prev_utime; | ||
566 | *st = sig->prev_stime; | ||
567 | } | 567 | } |
568 | #endif | 568 | #endif |