Hi,
When I run KDE my disk gets accessed every fraction of a second. I
would like to find out what is doing this. I've been trying to kill
processes but nothing short of "init 3" seems to help so far.
Can anyone suggest a tool that will tell me in real time what file is
being accessed by which process? Something like FileMon but for Linux
(couldn't find the Linux version).
Thanks!
Navin.

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Matt Rogers <mattr (AT) kde (DOT) orgwrote:
Do you know whether or not polling is used when watching for file system
changes? That could be one of the causes. I would suggest using either famd

I am not sure. Previously "ps x" showed that gam_server was running.
I killed gam_server but it kept respawning. I moved the binary and
that prevented gam_server from running but didn't solve the problem.

or the new inotify support (if your kernel supports it) to watch for changes
and see if that helps.

Thanks, I'll see if I can figure that out.

Cheers,
Navin.

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Navindra Umanee (a):
Hi,

When I run KDE my disk gets accessed every fraction of a second. I
would like to find out what is doing this. I've been trying to kill
processes but nothing short of "init 3" seems to help so far.

Can anyone suggest a tool that will tell me in real time what file is
being accessed by which process? Something like FileMon but for Linux
(couldn't find the Linux version).

lsof prints all open files for all processes.

HTH

Krzysztof Lichota


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Sunday July 16 2006 09:11, Krzysztof Lichota wrote:
Navindra Umanee (a):
When I run KDE my disk gets accessed every fraction of a second. I
would like to find out what is doing this. I've been trying to kill
processes but nothing short of "init 3" seems to help so far.

Can anyone suggest a tool that will tell me in real time what file is
being accessed by which process? Something like FileMon but for Linux
(couldn't find the Linux version).

lsof prints all open files for all processes.

Which is useless because it does not show _activity_.

Btw, I had a similar problem on my laptop and found klaptopdaemon to print out
some ugly "QFile: Cannot open file" error into ~/.xession-errors every few
seconds (it's even a bug on b.k.o). I have similar activity on my pc but
couldn't find out what's keeping the hdd busy (no klaptopdaemon here of
course).

Bye
Stefan aka mETz


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I was thinking of trying to do a file modified page for ksysguard.

inotify can do recursive watches right? I can watch "/" ?

Alternatively do lsof then pipe to ls to return the last modified
and last accessed (if available) times.

John

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Hi,

Sat, Jul 15, 2006 at 10:59:47PM -0400, Navindra Umanee wrote:
When I run KDE my disk gets accessed every fraction of a second. I
would like to find out what is doing this. I've been trying to kill
processes but nothing short of "init 3" seems to help so far.

Can anyone suggest a tool that will tell me in real time what file is
being accessed by which process? Something like FileMon but for Linux
(couldn't find the Linux version).

echo 1 /proc/sys/vm/block_dump

Any access to block devices will be reported via syslog.
Be careful with that. It's rather easy to fill your disk with logfiles
with this.

echo 0 /proc/sys/vm/block_dump

to switch it off.

michael


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Michael,
Is there a way to monitor disk I without streaming it to syslog?
It would be good to find a way to do this in a nice way in ksysguard.
John

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Sun, Jul 16, 2006 at 03:50:31PM +0200, Michael Buesch wrote:
Sunday 16 July 2006 15:53, Michael wrote:
echo 1 /proc/sys/vm/block_dump

Any access to block devices will be reported via syslog.
Be careful with that. It's rather easy to fill your disk with logfiles
with this.

echo 0 /proc/sys/vm/block_dump

Uhm, stupid question:
Won't that create a bomb?
disk access logged -syslog -write to disk -jump to beginning of line

Hmmm, one would think so. It never happened to me though. I'm not sure
why. Possibly because I have configured syslog-ng to not write the files
immediately. But I thought I used it with other syslog configutations
too. It is possible that there is some kind of saveguard in the kernel
code for exactly this situation.

michael


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Thank you for the very informative responses.

Chris was right, killing kded solved my problem. I'll try to narrow
it down further.

I look forward to playing around with block_dump just the same and a
new mode in KSysGuard. :-)

Thanks!
Navin.


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I look forward to playing around with block_dump just the same and a
new mode in KSysGuard. :-)

Well someone will have to help me on how to do it :) If you find a
good way, let me know.
Thanks

John

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Sunday 16 July 2006 14:50, John Tapsell wrote:

I was thinking of trying to do a file modified page for ksysguard.

inotify can do recursive watches right?
I'm pretty sure it can't.

I can watch "/" ?

Alternatively do lsof then pipe to ls to return the last modified
and last accessed (if available) times.

John

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Here's a good text about testing Inotify:

//Niels


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Chris was right, killing kded solved my problem. I'll try to narrow
it down further.
Culprit turned out to be KDED Media Manager.
Thanks!
Navin.

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