Re: status of disk i/o per process

[Tim Cutts <timc@chiark.greenend.org.uk>]

On 31 Dec 2006, at 6:34 pm, liran tal wrote:

> Thanks for the reply Steinar.
> The blktrace is a tool and I was wondering if there's something in / 
> proc
> itself that I can use
> to get some info regarding the disk i/o per process.

Yes, there is.

echo 1 > /proc/sys/vm/block_dump

causes the kernel to log all I/O, so it all appears in your syslog.   
It's probably not something you want to leave switched on.  :-)

Tim