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s390, sched/cputime: Make arch_cpu_idle_time() to return nsecs

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This way we don't need to deal with cputime_t details from the core code.

Signed-off-by: Frederic Weisbecker <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Fenghua Yu <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Martin Schwidefsky <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Stanislaw Gruszka <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Wanpeng Li <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Frederic Weisbecker 2017-01-31 04:09:47 +01:00 • committed by Ingo Molnar
commit 42b425b336
3 changed files with 6 additions and 5 deletions
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4
fs/proc/stat.c
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@ -27,7 +27,7 @@ static u64 get_idle_time(int cpu)
idle = kcpustat_cpu(cpu).cpustat[CPUTIME_IDLE];
if (cpu_online(cpu) && !nr_iowait_cpu(cpu))
idle += cputime_to_nsecs(arch_idle_time(cpu));
idle += arch_idle_time(cpu);
return idle;
}
@ -37,7 +37,7 @@ static u64 get_iowait_time(int cpu)
iowait = kcpustat_cpu(cpu).cpustat[CPUTIME_IOWAIT];
if (cpu_online(cpu) && nr_iowait_cpu(cpu))
iowait += cputime_to_nsecs(arch_idle_time(cpu));
iowait += arch_idle_time(cpu);
return iowait;
}