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authorGlauber Costa <glommer@parallels.com>2011-11-28 14:45:17 -0200
committerIngo Molnar <mingo@elte.hu>2011-12-06 09:06:38 +0100
commit3292beb340c76884427faa1f5d6085719477d889 (patch)
treecb7e431b2a15fa66ef5278d485131bac7a125fbd /drivers/macintosh/rack-meter.c
parent786d6dc7aeb2bfbfe417507b7beb83919f319db3 (diff)
downloadlinux-3292beb340c76884427faa1f5d6085719477d889.tar.gz
sched/accounting: Change cpustat fields to an array
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>
Diffstat (limited to 'drivers/macintosh/rack-meter.c')
-rw-r--r--drivers/macintosh/rack-meter.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c
index 2637c139777b..66d7f1c7baa1 100644
--- a/drivers/macintosh/rack-meter.c
+++ b/drivers/macintosh/rack-meter.c
@@ -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;
 }