[PATCH] csa: basic accounting over taskstats
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>
diff --git a/include/linux/taskstats.h b/include/linux/taskstats.h
index f1cb6cd..af93a63 100644
--- a/include/linux/taskstats.h
+++ b/include/linux/taskstats.h
@@ -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 @@
__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 */
};