Re: unknown io writes in 2.6.16

From: Mark Hedges
Date: Mon May 15 2006 - 20:12:03 EST




On Fri, 12 May 2006, dean gaudet wrote:
> On Wed, 10 May 2006, Mark Hedges wrote:
>
> > Just a wishlist that process IO could be monitored. I hate to
> > say it but ctl-alt-esc in W2K can monitor io by process, and
> > that's really useful. (I will never go back though.)
>
> /etc/init.d/klogd stop
> echo 1 >/proc/sys/vm/block_dump
> /sbin/klogd -n -f -
>
> watch lots of spew
>
> ^C
> echo 0 >/proc/sys/vm/block_dump
> /etc/init.d/klogd start
>
> that will tell you a lot of stuff. it will probably lead you to a process
> or two as culprits... use strace(8) to attach to those and get more
> specific information.
>
> now... share with me how to do this on windoze? :) i'm trying to get rid
> of the last write or two on my laptop...

Cool, thanks, I'll check this out. It's actually about 12k
every 5 seconds, not 12 bytes. Seems excessive for atime
updates.

In W2K at any rate, ctl-shift-esc to get the task manager.
Processes tab. View Menu > Select Columns. Sort by column.

Mark
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