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Re: About kupdated and others



On Fri, Sep 03, 2004 at 08:18:04PM -0400, Tong wrote:
> Hi, 
K = Kernel
K = KDE

Lots of easy confusion.

> I notice that, many times, when my mouse become sluggish, the
> kupdated is taking up much cpu resource. So,
> What is this kupdated? Do I absolutely need it? How can I get rid
> of it if not?

<IIRC> kupdated is a daemon that flushes the disk cache when more buffers
are needed. </IIRC> It is part of the kernel.

> FYI, I've tried 'type' and 'slocate' searching for kupdated, but
> nothing found.
It isn't in a file...

> Further, are the following k-demons absolutely necessary for me? I
> don't run Kde at all.

> $ ps -eaf | grep '\[k'
> root         2     1  0 Aug27 ?        00:00:04 [keventd]
I think this has something to do with hotplugging.

> root         3     1  0 Aug27 ?        00:00:39 [ksoftirqd_CPU0]
Interrupt handling
> root         4     1  0 Aug27 ?        00:08:13 [kswapd]
Virtual memory (swapping).
> root         6     1  0 Aug27 ?        00:07:37 [kupdated]
> root       109     1  0 Aug27 ?        00:00:00 [kreiserfsd]
Reiser Filesystem
> root       378     1  0 Aug27 ?        00:00:00 [khubd]
USB
> root      1068     1  0 Aug27 ?        00:00:07 [kapmd]
Advanced Power Management
> root      6976     1  0 Aug28 ?        00:00:00 [kjournald]
Journalling provides the crash-resistance of ext3 and reiserfs.
> root      6978     1  0 Aug28 ?        00:00:00 [kjournald]

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