apfs/linux-apfs
0
0
Fork 0
mirror of https://github.com/linux-apfs/linux-apfs.git synced 2026-05-01 15:00:59 -07:00
Code Issues Packages Projects Releases Wiki Activity

sched/cputime: Push time to account_idle_time() in nsecs

Browse Source 
This is one more step toward converting cputime accounting to pure nsecs.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Wanpeng Li <wanpeng.li@hotmail.com>
Link: http://lkml.kernel.org/r/1485832191-26889-24-git-send-email-fweisbec@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Frederic Weisbecker
2017-01-31 04:09:39 +01:00
committed by Ingo Molnar
parent be9095ed4f
commit 18b43a9bd7
5 changed files with 13 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
kernel/sched/cputime.c
+9 -9
View File
@@ -218,15 +218,15 @@ void account_steal_time(u64 cputime)
* Account for idle time.
* @cputime: the cpu time spent in idle wait
*/
void account_idle_time(cputime_t cputime)
void account_idle_time(u64 cputime)
{
u64 *cpustat = kcpustat_this_cpu->cpustat;
struct rq *rq = this_rq();
if (atomic_read(&rq->nr_iowait) > 0)
cpustat[CPUTIME_IOWAIT] += cputime_to_nsecs(cputime);
cpustat[CPUTIME_IOWAIT] += cputime;
else
cpustat[CPUTIME_IDLE] += cputime_to_nsecs(cputime);
cpustat[CPUTIME_IDLE] += cputime;
}
/*
@@ -392,7 +392,7 @@ static void irqtime_account_process_tick(struct task_struct *p, int user_tick,
} else if (user_tick) {
account_user_time(p, cputime);
} else if (p == rq->idle) {
account_idle_time(old_cputime);
account_idle_time(cputime);
} else if (p->flags & PF_VCPU) { /* System time or guest time */
account_guest_time(p, old_cputime);
@@ -504,7 +504,7 @@ void account_process_tick(struct task_struct *p, int user_tick)
else if ((p != rq->idle) || (irq_count() != HARDIRQ_OFFSET))
account_system_time(p, HARDIRQ_OFFSET, old_cputime);
else
account_idle_time(old_cputime);
account_idle_time(cputime);
}
/*
@@ -513,15 +513,15 @@ void account_process_tick(struct task_struct *p, int user_tick)
*/
void account_idle_ticks(unsigned long ticks)
{
cputime_t cputime, steal;
u64 cputime, steal;
if (sched_clock_irqtime) {
irqtime_account_idle_ticks(ticks);
return;
}
cputime = jiffies_to_cputime(ticks);
steal = steal_account_process_time(ULONG_MAX);
cputime = ticks * TICK_NSEC;
steal = cputime_to_nsecs(steal_account_process_time(ULONG_MAX));
if (steal >= cputime)
return;
@@ -787,7 +787,7 @@ void vtime_account_idle(struct task_struct *tsk)
{
cputime_t delta_cpu = get_vtime_delta(tsk);
account_idle_time(delta_cpu);
account_idle_time(cputime_to_nsecs(delta_cpu));
}
void arch_vtime_task_switch(struct task_struct *prev)