El Wed, Oct 31, 2007 at 05:01:42PM +0100 Jan Kara ha dit:
> > When i do ps -l. i see the following processes which are obviously
> > started by kernel.
> >
> > Could any one tell me what each of these processes do and can
> > anyone of them can be removed.?
> I'll write what I know :)
i'll also put my 0.5 cents :)
> > PID Uid VmSize Stat Command
> > 1 root 584 S init
> > 2 root SWN [ksoftirqd/0]
executes (on CPU 0) the deferred parts of interrupt routines (bottom
halves), i.e. softirqs and tasklets. bad candidate for removal imo
> > 3 root SW [watchdog/0]
> > 4 root SW< [events/0]
this one is in charge of executing deferred functions placed in the
default work queue. also a bad candidate for removal
> > 5 root SW< [khelper]
> > 6 root SW< [kthread]
> > 23 root SW< [kblockd/0]
> This one has something to do with block layer - like unplugging
> request queue after a certain timeout etc.
>
> > 38 root SW [pdflush]
> > 39 root SW [pdflush]
> Doing writeback of dirty data.
>
> > 40 root SW< [kswapd0]
> Swapping pages in and out.
>
> > 41 root SW< [aio/0]
> Kernel thread handling asynchronous IO.
>
> > 85 root SW [mtdblockd]
> > 116 root SWN [jffs2_gcd_mtd9]
> jffs2 specific - ask a maintainer :) (and mtdblockd has something to
> do with MTD devices so he may know that one as well).
--
Matthias Kaehlcke
Linux Application Developer
Barcelona
If you don't know where you are going,
you will probably end up somewhere else
(Laurence J. Peter)
.''`.
using free software / Debian GNU/Linux | http://debian.org : :' :
`. `'`
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