lkml.org 
[lkml]   [2006]   [Mar]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Connector: Filesystem Events Connector v3
On 25 Mar 2006 18:16:32 -0500, Greg Stark <gsstark@mit.edu> wrote:
>
> yang.y.yi@gmail.com writes:
>
> > the filesystem events connector is small and has low overhead, it only
> > focuses on activities in the filesystem, so I think it should be an option
> > for those users which just concerns events in the filesystem. audit dose do
> > this, but it is complicated and overhead is big, I believe the filesystem
> > events connector is useful, but it maybe need to be improved further.
>
> Would this be a good tool to tell me why I hear my hard drive stutter
> periodically? This is above the regular buffer flushing.
>
> I'm curious what application is causing this file i/o since I have plenty of
> free RAM so the only reason it would be hitting disk is if something is
> calling fsync gratuitously.
>
blktrace (included at least in -mm) will tell you.

You have to activate BLK_DEV_IO_TRACE and use blktrace from
http://www.kernel.org/pub/linux/kernel/people/axboe/blktrace/

regards,

Benoit
-
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/

\
 
 \ /
  Last update: 2006-03-26 09:17    [W:0.056 / U:0.228 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site