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[PATCH] csa: basic accounting over taskstats

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Add some basic accounting fields to the taskstats struct, add a new
kernel/tsacct.c to handle basic accounting data handling upon exit.  A handle
is added to taskstats.c to invoke the basic accounting data handling.

Signed-off-by: Jay Lan <jlan@sgi.com>
Cc: Shailabh Nagar <nagar@watson.ibm.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Jes Sorensen <jes@sgi.com>
Cc: Chris Sturtivant <csturtiv@sgi.com>
Cc: Tony Ernst <tee@sgi.com>
Cc: Guillaume Thouvenin <guillaume.thouvenin@bull.net>
Cc: "Michal Piotrowski" <michal.k.k.piotrowski@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jay Lan 2006-09-30 23:28:55 -07:00 • committed by Linus Torvalds
parent 7d1bdca9b0
commit f3cef7a994
5 changed files with 120 additions and 6 deletions
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29
include/linux/taskstats.h
View file

@ -2,6 +2,7 @@
*
* Copyright (C) Shailabh Nagar, IBM Corp. 2006
* (C) Balbir Singh, IBM Corp. 2006
* (C) Jay Lan, SGI, 2006
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2.1 of the GNU Lesser General Public License
@ -29,16 +30,18 @@
* c) add new fields after version comment; maintain 64-bit alignment
*/
#define TASKSTATS_VERSION 1
#define TASKSTATS_VERSION 2
#define TS_COMM_LEN 16 /* should sync up with TASK_COMM_LEN
* in linux/sched.h */
struct taskstats {
/* Version 1 */
__u16 version;
__u16 padding[3]; /* Userspace should not interpret the padding
* field which can be replaced by useful
* fields if struct taskstats is extended.
*/
__u32 ac_exitcode; /* Exit status */
__u8 ac_flag; /* Record flags */
__u8 ac_nice; /* task_nice */
/* Delay accounting fields start
*
@ -88,6 +91,22 @@ struct taskstats {
__u64 cpu_run_virtual_total;
/* Delay accounting fields end */
/* version 1 ends here */
/* Basic Accounting Fields start */
char ac_comm[TS_COMM_LEN]; /* Command name */
__u8 ac_sched; /* Scheduling discipline */
__u8 ac_pad[3];
__u32 ac_uid; /* User ID */
__u32 ac_gid; /* Group ID */
__u32 ac_pid; /* Process ID */
__u32 ac_ppid; /* Parent process ID */
__u32 ac_btime; /* Begin time [sec since 1970] */
__u64 ac_etime; /* Elapsed time [usec] */
__u64 ac_utime; /* User CPU time [usec] */
__u64 ac_stime; /* SYstem CPU time [usec] */
__u64 ac_minflt; /* Minor Page Fault */
__u64 ac_majflt; /* Major Page Fault */
/* Basic Accounting Fields end */
};