Commit b5d76825 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

delayacct: Use ktime_get_ts() 



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: default avatarThomas 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: default avatarThomas Gleixner <tglx@linutronix.de>
parent 22001821

kernel/delayacct.c

+3 −13
Original line number Diff line number Diff line
@@ -45,16 +45,6 @@ void __delayacct_tsk_init(struct task_struct *tsk) 
		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

 * its timestamps (@start, @end), accumalator (@total) and @count
@@ -67,7 +57,7 @@ static void delayacct_end(struct timespec *start, struct timespec *end, 
	s64 ns;

	unsigned long flags;



	do_posix_clock_monotonic_gettime(end);

	ktime_get_ts(end);

	ts = timespec_sub(*end, *start);

	ns = timespec_to_ns(&ts);

	if (ns < 0)
@@ -81,7 +71,7 @@ static void delayacct_end(struct timespec *start, struct timespec *end, 


void __delayacct_blkio_start(void)

{

	delayacct_start(&current->delays->blkio_start);

	ktime_get_ts(&current->delays->blkio_start);

}



void __delayacct_blkio_end(void)
@@ -169,7 +159,7 @@ __u64 __delayacct_blkio_ticks(struct task_struct *tsk) 


void __delayacct_freepages_start(void)

{

	delayacct_start(&current->delays->freepages_start);

	ktime_get_ts(&current->delays->freepages_start);

}



void __delayacct_freepages_end(void)

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