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[PATCH] per-task-delay-accounting: setup

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Initialization code related to collection of per-task "delay" statistics which
measure how long it had to wait for cpu, sync block io, swapping etc.  The
collection of statistics and the interface are in other patches.  This patch
sets up the data structures and allows the statistics collection to be
disabled through a kernel boot parameter.

Signed-off-by: Shailabh Nagar <[email protected]>
Signed-off-by: Balbir Singh <[email protected]>
Cc: Jes Sorensen <[email protected]>
Cc: Peter Chubb <[email protected]>
Cc: Erich Focht <[email protected]>
Cc: Levent Serinol <[email protected]>
Cc: Jay Lan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Shailabh Nagar 2006-07-14 00:24:36 -07:00 • committed by Linus Torvalds
commit ca74e92b46
10 changed files with 207 additions and 0 deletions
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2
kernel/exit.c
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@ -25,6 +25,7 @@
#include <linux/mount.h>
#include <linux/proc_fs.h>
#include <linux/mempolicy.h>
#include <linux/delayacct.h>
#include <linux/cpuset.h>
#include <linux/syscalls.h>
#include <linux/signal.h>
@ -900,6 +901,7 @@ fastcall NORET_TYPE void do_exit(long code)
#endif
if (unlikely(tsk->audit_context))
audit_free(tsk);
delayacct_tsk_exit(tsk);
exit_mm(tsk);
if (group_dead)