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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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4
fs/proc/uptime.c
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@@ -12,10 +12,10 @@ static int uptime_proc_show(struct seq_file *m, void *v)
struct timespec uptime;
struct timespec idle;
int i;
cputime_t idletime = cputime_zero;
u64 idletime = 0;
for_each_possible_cpu(i)
idletime = cputime64_add(idletime, kstat_cpu(i).cpustat.idle);
idletime += kcpustat_cpu(i).cpustat[CPUTIME_IDLE];
do_posix_clock_monotonic_gettime(&uptime);
monotonic_to_bootbased(&uptime);