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[PATCH] io-accounting: via taskstats

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Deliver IO accounting via taskstats.

Cc: Jay Lan <jlan@sgi.com>
Cc: Shailabh Nagar <nagar@watson.ibm.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Chris Sturtivant <csturtiv@sgi.com>
Cc: Tony Ernst <tee@sgi.com>
Cc: Guillaume Thouvenin <guillaume.thouvenin@bull.net>
Cc: David Wright <daw@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andrew Morton
2006-12-10 02:19:53 -08:00
committed by Linus Torvalds
parent f2f1f8a3b8
commit 4a7864ca63
2 changed files with 16 additions and 1 deletions
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include/linux/taskstats.h
+7 -1
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@@ -31,7 +31,7 @@
*/
#define TASKSTATS_VERSION 2
#define TASKSTATS_VERSION 3
#define TS_COMM_LEN 32 /* should be >= TASK_COMM_LEN
* in linux/sched.h */
@@ -140,6 +140,12 @@ struct taskstats {
__u64 read_syscalls; /* read syscalls */
__u64 write_syscalls; /* write syscalls */
/* Extended accounting fields end */
#define TASKSTATS_HAS_IO_ACCOUNTING
/* Per-task storage I/O accounting starts */
__u64 read_bytes; /* bytes of read I/O */
__u64 write_bytes; /* bytes of write I/O */
__u64 cancelled_write_bytes; /* bytes of cancelled write I/O */
};