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authorKeika Kobayashi <kobayashi.kk@ncos.nec.co.jp>2008-07-25 01:48:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-25 10:53:47 -0700
commit016ae219b920c4e606088761d3d6070cdf8ba706 (patch)
tree6bf9035016e8d9131a54cf6343e056a5dcdc74aa /include/linux
parent873b47717732c2f33a4b14de02571a4295a02f0c (diff)
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per-task-delay-accounting: update taskstats for memory reclaim delay
Add members for memory reclaim delay to taskstats, and accumulate them in __delayacct_add_tsk() . Signed-off-by: Keika Kobayashi <kobayashi.kk@ncos.nec.co.jp> Cc: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Cc: Balbir Singh <balbir@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/taskstats.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/taskstats.h b/include/linux/taskstats.h
index 5d69c07..18269e9 100644
--- a/include/linux/taskstats.h
+++ b/include/linux/taskstats.h
@@ -31,7 +31,7 @@
*/
-#define TASKSTATS_VERSION 6
+#define TASKSTATS_VERSION 7
#define TS_COMM_LEN 32 /* should be >= TASK_COMM_LEN
* in linux/sched.h */
@@ -157,6 +157,10 @@ struct taskstats {
__u64 ac_utimescaled; /* utime scaled on frequency etc */
__u64 ac_stimescaled; /* stime scaled on frequency etc */
__u64 cpu_scaled_run_real_total; /* scaled cpu_run_real_total */
+
+ /* Delay waiting for memory reclaim */
+ __u64 freepages_count;
+ __u64 freepages_delay_total;
};