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sched/cputime: Expose cputime_adjust()

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Will be used by basic cgroup resource stat reporting later.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
This commit is contained in:
Tejun Heo 2017-09-25 08:12:04 -07:00
parent e19b205be4
commit cfb766da54
2 changed files with 4 additions and 4 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

3
include/linux/sched/cputime.h
View file

@ -53,7 +53,8 @@ static inline void task_cputime_scaled(struct task_struct *t,
extern void task_cputime_adjusted(struct task_struct *p, u64 *ut, u64 *st); extern void task_cputime_adjusted(struct task_struct *p, u64 *ut, u64 *st);
extern void thread_group_cputime_adjusted(struct task_struct *p, u64 *ut, u64 *st); extern void thread_group_cputime_adjusted(struct task_struct *p, u64 *ut, u64 *st);
extern void cputime_adjust(struct task_cputime *curr, struct prev_cputime *prev,
u64 *ut, u64 *st);
/* /*
* Thread group CPU time accounting. * Thread group CPU time accounting.

3
kernel/sched/cputime.c
View file

@ -585,8 +585,7 @@ static u64 scale_stime(u64 stime, u64 rtime, u64 total)
* *
* Assuming that rtime_i+1 >= rtime_i. * Assuming that rtime_i+1 >= rtime_i.
*/ */
static void cputime_adjust(struct task_cputime *curr, void cputime_adjust(struct task_cputime *curr, struct prev_cputime *prev,
struct prev_cputime *prev,
u64 *ut, u64 *st) u64 *ut, u64 *st)
{ {
u64 rtime, stime, utime; u64 rtime, stime, utime;