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sched/cputime: Expose cputime_adjust()

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>
Tejun Heo 7 years ago
parent
e19b205be4
commit
cfb766da54
2 changed files with 4 additions and 4 deletions
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  1. 2 1
      include/linux/sched/cputime.h
  2. 2 3
      kernel/sched/cputime.c

+ 2 - 1
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 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.

+ 2 - 3
kernel/sched/cputime.c
View File 

@@ -585,9 +585,8 @@ drop_precision:
 
  *
 
  * Assuming that rtime_i+1 >= rtime_i.
 
  */
 
-static void cputime_adjust(struct task_cputime *curr,
 
-			   struct prev_cputime *prev,
 
-			   u64 *ut, u64 *st)
 
+void cputime_adjust(struct task_cputime *curr, struct prev_cputime *prev,
 
+		    u64 *ut, u64 *st)
 
 {
 
 	u64 rtime, stime, utime;
 
 	unsigned long flags;