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

[Jay Lan <jlan@engr.sgi.com>]

Andrew,

These data are used in CSA Accounting today and i believe ELSA
intends to use them also.

Since PAGG is not in the tree, SGI have been offering our customers
PAGG/JOB/CSA kernel code as either kernel patches at oss.sgi.com
site or out-of-tree kernel modules today.

SGI intends to submit another solution for PAGG/JOB soon.

Once the future of PAGG/JOB becomes clear, we will know better how
to integrate CSA and BSD accounting. We are not sitting on it.

Thanks,
 - jay


Andrew Morton wrote:
> Levent Serinol <lserinol@gmail.com> wrote:
>
> > +int proc_pid_iostat(struct task_struct *task, char *buffer)
> > +{
> > +       return sprintf(buffer,"%llu %llu\n",task->rchar,task->wchar);
> > +}
>
>
> Those fields have been sitting there unused for months.  I'd like to hear
> what the system accounting guys are intending to do with them before
> proceeding, please.
> -
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