Re: [PATCH] per process I/O statistics for userspace

Pavel Machek
2005-09-14T09:25:53Z

Hi!

> with following patch, userspace processes/utilities will be able to
> access per process I/O statistics. for example, top like utilites can
> use this information.

Nice, but should not this perhaps go into the other file? Adding more
integers into long line does not seem nice...
Pavel

>
> --- linux-2.6.13/fs/proc/array.c.org 2005-08-29 02:41:01.000000000 +0300
> +++ linux-2.6.13/fs/proc/array.c 2005-09-12 10:22:55.000000000 +0300
> @@ -408,7 +408,7 @@ static int do_task_stat(struct task_stru
>
> res = sprintf(buffer,"%d (%s) %c %d %d %d %d %d %lu %lu \
> %lu %lu %lu %lu %lu %ld %ld %ld %ld %d %ld %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 %llu\n",
> task->pid,
> tcomm,
> state,
> @@ -453,7 +453,9 @@ static int do_task_stat(struct task_stru
> task->exit_signal,
> task_cpu(task),
> task->rt_priority,
> - task->policy);
> + task->policy,
> + task->rchar,
> + task->wchar);
> if(mm)
> mmput(mm);
> return res;
> --
> Signed-off-by: Levent Serinol <lserinol@gmail.com>
> -
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