Re: [PATCH] MAX_USER_RT_PRIO and MAX_RT_PRIO are wrong!

Dean Nelson
2005-06-07T20:19:49Z

On Tue, Jun 07, 2005 at 03:23:02PM -0400, Steven Rostedt wrote:
> On Tue, 2005-06-07 at 14:10 -0500, Dean Nelson wrote:
>
> > I just built and tested a kernel and xp/xpc/xpnet modules with your patch
> > applied. It ran fine. The priorities of the xpc kthreads were correct.
> >
> > Looks good to me.
>
> Dean,
>
> If you can do me a favor, the way you really want to test this is by
> changing MAX_USER_RT_PRIO to 99 and MAX_RT_PRIO to
> (MAX_USER_RT_PRIO+1). This will make sure that the patch is working.
> Your kernel thread should still run at priority 99.
>
> Check it with: ps -eo pid,rtprio,comm
>
> And grep for your thread name.

Just did as you asked and things seem fine. Ran on an SGI altix.
(The first process shown below shouldn't have a priority of 99,
just the others.)

cranberry5:~ # ps -eo pid,rtprio,comm | grep xpc
13325 - xpc_hb
13327 99 xpc08
13467 99 xpc06
13469 99 xpc06c1
13501 99 xpc06c1
13502 99 xpc06c1
cranberry5:~ #