Messages in this thread |  | | Date | Wed, 10 Oct 2001 06:48:33 +0200 | From | Andrea Arcangeli <> | Subject | Re: 2.4.10-ac10-preempt lmbench output. |
| |
On Wed, Oct 10, 2001 at 06:42:37AM +0200, Dieter Nützel wrote: > Am Mittwoch, 10. Oktober 2001 06:23 schrieb Andrea Arcangeli: > > On Wed, Oct 10, 2001 at 05:57:46AM +0200, Dieter Nützel wrote: > > [...] > > > I get the dropouts (2~3 sec) after dbench 32 is running for 9~10 seconds. > > It is mostly only _ONE_ dropout like above.
One isn't really too bad actually, if there's an huge I/O going on at least.
> The above plus nice -20 mpg123 *.mp3 > I've forgotten to clearify this, sorry. > > Should I try 2.4.11 + 00_vm-1 or 2.4.11aa1, again?
2.4.11aa1 with also read/write reschedule points would be more interesting I think.
> > You're probably more interested in the possible heuristic that I've in > > mind to avoid xmms to wait I/O completion for the work submitted by > > dbench. Of course assuming the vm write throttling was a relevant cause > > of the dropouts, and that the dropouts weren't just due an I/O > > congestion (too low disk bendwith). > > > BTW, to find out if the reason of the dropouts where the vm write > > throttling or the too low disk bandwith you can run ps l <pid_of_xmms>, > > What do you mean here? I can't find a meaningfully ps option.
I meant the output of `ps l` (WCHAN column xmms row).
Andrea - 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/
|  |