On Tue, 14 May 2002, William Lee Irwin III wrote:
> On Mon, May 13, 2002 at 10:19:26PM -0300, Rik van Riel wrote:
> > 2) if no process is running, the timer interrupt adds a jiffy
> > to the iowait time
> [...]
> > 4) on SMP systems the iowait time can be overestimated, no big
> > deal IMHO but cheap suggestions for improvement are welcome
^^^^^
> This appears to be global across all cpu's. Maybe nr_iowait_tasks
> should be accounted on a per-cpu basis, where
While your proposal should work, somehow I doubt it's worth
the complexity. It's just a statistic to help sysadmins ;)
regards,
Rik
-- http://www.linuxsymposium.org/2002/ "You're one of those condescending OLS attendants" "Here's a nickle kid. Go buy yourself a real t-shirt"http://www.surriel.com/ http://distro.conectiva.com/
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Tue May 14 2002 - 12:00:23 EST