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delayacct: Use ktime_get_ts()

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do_posix_clock_monotonic_gettime() is a leftover from the initial
posix timer implementation which maps to ktime_get_ts(). Remove the
silly wrapper while at it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20140611234606.931409215@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2014-06-11 23:59:13 +00:00
parent 22001821d9
commit b5d7682533
1 changed files with 3 additions and 13 deletions
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16
kernel/delayacct.c
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@ -45,16 +45,6 @@ void __delayacct_tsk_init(struct task_struct *tsk)
spin_lock_init(&tsk->delays->lock); spin_lock_init(&tsk->delays->lock);
} }
/*
* Start accounting for a delay statistic using
* its starting timestamp (@start)
*/
static inline void delayacct_start(struct timespec *start)
{
do_posix_clock_monotonic_gettime(start);
}
/* /*
* Finish delay accounting for a statistic using * Finish delay accounting for a statistic using
* its timestamps (@start, @end), accumalator (@total) and @count * its timestamps (@start, @end), accumalator (@total) and @count
@ -67,7 +57,7 @@ static void delayacct_end(struct timespec *start, struct timespec *end,
s64 ns; s64 ns;
unsigned long flags; unsigned long flags;
do_posix_clock_monotonic_gettime(end); ktime_get_ts(end);
ts = timespec_sub(*end, *start); ts = timespec_sub(*end, *start);
ns = timespec_to_ns(&ts); ns = timespec_to_ns(&ts);
if (ns < 0) if (ns < 0)
@ -81,7 +71,7 @@ static void delayacct_end(struct timespec *start, struct timespec *end,
void __delayacct_blkio_start(void) void __delayacct_blkio_start(void)
{ {
delayacct_start(&current->delays->blkio_start); ktime_get_ts(&current->delays->blkio_start);
} }
void __delayacct_blkio_end(void) void __delayacct_blkio_end(void)
@ -169,7 +159,7 @@ __u64 __delayacct_blkio_ticks(struct task_struct *tsk)
void __delayacct_freepages_start(void) void __delayacct_freepages_start(void)
{ {
delayacct_start(&current->delays->freepages_start); ktime_get_ts(&current->delays->freepages_start);
} }
void __delayacct_freepages_end(void) void __delayacct_freepages_end(void)