Re: distinguish kernel thread / user task

[Sylvain]

kernel threads have no mm struct, right.
but it appears some programs (user tasks) haven't either ?! actually,
that what I notice..

Sylvain



On Fri, 03 Dec 2004 15:50:19 -0500, Brian Gerst <bgerst@xxxxxxxxxxxxx> wrote:
> Sylvain wrote:
> > I am trying to do a tool to record task switching...separating also
> > kernel/user tasks, but I got some trouble with that last case.
> >
> > I confused since "ps" is actually able to distinguish kernel thread
> > from user task.
> > I wouldn't had a flag if It 's not necessary
> >
> > Sylvain
> >
> 
> Pstools doesn't really know the difference between user and kernel
> threads.  It only shows kernel threads as swapped out (in brackets)
> because they have an RSS of zero (since kernel threads have no mm struct).
> 
> --
>                                Brian Gerst
>
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