From 25890454667b3295f67b3372352be90705f8667c Mon Sep 17 00:00:00 2001 From: Shailabh Nagar Date: Fri, 14 Jul 2006 00:24:43 -0700 Subject: [PATCH] per-task-delay-accounting: /proc export of aggregated block I/O delays Export I/O delays seen by a task through /proc//stats for use in top etc. Note that delays for I/O done for swapping in pages (swapin I/O) is clubbed together with all other I/O here (this is not the case in the netlink interface where the swapin I/O is kept distinct) [akpm@osdl.org: printk warning fix] Signed-off-by: Shailabh Nagar Signed-off-by: Balbir Singh Cc: Jes Sorensen Cc: Peter Chubb Cc: Erich Focht Cc: Levent Serinol Cc: Jay Lan Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/proc/array.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'fs/proc') diff --git a/fs/proc/array.c b/fs/proc/array.c index 7495d3e..0b615d6 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -74,6 +74,7 @@ #include #include #include +#include #include #include @@ -411,7 +412,7 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole) res = sprintf(buffer,"%d (%s) %c %d %d %d %d %d %lu %lu \ %lu %lu %lu %lu %lu %ld %ld %ld %ld %d 0 %llu %lu %ld %lu %lu %lu %lu %lu \ -%lu %lu %lu %lu %lu %lu %lu %lu %d %d %lu %lu\n", +%lu %lu %lu %lu %lu %lu %lu %lu %d %d %lu %lu %llu\n", task->pid, tcomm, state, @@ -455,7 +456,8 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole) task->exit_signal, task_cpu(task), task->rt_priority, - task->policy); + task->policy, + (unsigned long long)delayacct_blkio_ticks(task)); if(mm) mmput(mm); return res; -- cgit v1.1