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sched/accounting: Change cpustat fields to an array

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This patch changes fields in cpustat from a structure, to an
u64 array. Math gets easier, and the code is more flexible.

Signed-off-by: Glauber Costa <glommer@parallels.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Paul Tuner <pjt@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1322498719-2255-2-git-send-email-glommer@parallels.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Glauber Costa
2011-11-28 14:45:17 -02:00
committed by Ingo Molnar
parent 786d6dc7ae
commit 3292beb340
9 changed files with 142 additions and 141 deletions
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8
drivers/macintosh/rack-meter.c
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@@ -81,13 +81,13 @@ static int rackmeter_ignore_nice;
*/
static inline cputime64_t get_cpu_idle_time(unsigned int cpu)
{
cputime64_t retval;
u64 retval;
retval = cputime64_add(kstat_cpu(cpu).cpustat.idle,
kstat_cpu(cpu).cpustat.iowait);
retval = kcpustat_cpu(cpu).cpustat[CPUTIME_IDLE] +
kcpustat_cpu(cpu).cpustat[CPUTIME_IOWAIT];
if (rackmeter_ignore_nice)
retval = cputime64_add(retval, kstat_cpu(cpu).cpustat.nice);
retval += kcpustat_cpu(cpu).cpustat[CPUTIME_NICE];
return retval;
}