Re: [GnomeMeeting-devel-list] GnomeMeeting on 2.6

[Johnny Strom <jonny strom netikka fi>]

Damien Sandras wrote:
> I have the same conclusion as you here. I can reproduce the problem with
> a very violent "make -j 2". GnomeMeeting really becomes unusable in
> that case.
>
> I wonder if it is related to the preemptive patch or not. I'm trying
> without.
>
> I will mail Robert Love about this.


Hi

I don't think it is the preemptive patch. I used that one before,
in 2.4 without problems. In fact it improves things in 2.4 when running 
GM, there is something else I would say but I guess Robert Love knows
this better than we do :)



Cheers Johnny



> Le 30/1/2004, "Johnny Strom" <jonny strom netikka fi> a écrit:
>
>
> > Damien Sandras wrote:
> >
> > > Hi Johnny,
> > >
> > > I'm interested in results with Seti home not running. Nothing indicates
> > > if Seti home has a good behavior or not.
> >
> > Well everyting is fine when seti home is not running or when I am not
> > compiling somethig. So the sound and the video is fine at the other and
> > that is true for bouth settings of P_HAS_SEMAPHORES (1 and 0).
> >
> >
> > What triggers this problem is when something tries to get 100% cpu all
> > the time, so for example if something just tries to get 30% cpu then it
> > is not a problem like when I am playing two avi movies at the same time,
> > that is ok. But when moving some windows around all the time then that
> > tries to get 100% cpu and one gets a choppy sound in the other end.
> >
> > So conclusion this problem is connected to programs that tries to get
> > 100% cpu it is then when the problem starts to show up.
> >
> > Cheers Johnny
> >
> >
> > > What are your communications and responsiveness results on 2.6.1 without
> > > SETI and with various settings of P_HAS_SEMAPHORES?
> > >
> > > Try moving windows and do usual things and see if it has impact over the
> > > sound quality. Is the GUI slow only when Seti is eating the CPU ?
> > >
> > > Le 30/1/2004, "Johnny Strom" <jonny strom netikka fi> a écrit:
> > >
> > >
> > >
> > > > Hi
> > > >
> > > > Now I did a test with P_HAS_SEMAPHORES = 1 it is the same as with 0,
> > > > so the sound is bad with seti running but it seems to be a littla better
> > > > than when P_HAS_SEMAPHORES was 0. If I run seti with nice level 19 then
> > > > it is ok. So now with 2.6.1 kernel and P_HAS_SEMAPHORES = 1 it the best
> > > > so far.
> > > >
> > > > But still it is not like it was in the 2.4 kernel.
> > > >
> > > > It seems like that GM is punished bye the schedular or something,
> > > > the gui becomes reel slow, note that if I try to start other
> > > > applications so are the gui fast on the other applications.
> > > >
> > > > And with seti and GM running so is the load getting high:
> > > > load average: 6,75, 3,61, 3,99
> > > >
> > > >
> > > > Could it be becous that GM dose a lot of I/O all the time?
> > > > I think there are stuff in the kernel now that looks at that.
> > > >
> > > >
> > > > Cheers Johnny
> > > >
> > > >
> > > >
> > > > Johnny Strom wrote:
> > > >
> > > >
> > > > > Hi
> > > > >
> > > > > Now I am testing this with David Quental, so if I am compiling
> > > > > at the samt time as GM is running then I get a lot of cuts in the sound
> > > > > with P_HAS_SEMAPHORES = 0. This is with 2.6.1 kernel.
> > > > >
> > > > >
> > > > > !Note that without any cpu intensive processes like seti or
> > > > > compilation so is the sound fine.
> > > > >
> > > > >
> > > > > I will send an other mail in some minutes where I put
> > > > > P_HAS_SEMAPHORES = 1 and repport what happens.
> > > > >
> > > > > brb
> > > > >
> > > > > Cheers Johnny
> > > > >
> > > > >
> > > > > Damien Sandras wrote:
> > > > >
> > > > >
> > > > >
> > > > > > Who is using the 2.6 kernel and is ready to test the latest changes with
> > > > > > it?
> > > > > >
> > > > > > Craig, given the fact that many packagers will compile on 2.4, what is
> > > > > > your suggestion?
> > > > > >
> > > > > > I tried on the 2.4 kernel to force the P_HAS_SEMAPHORES to 0 and I have a
> > > > > > bad sound quality when compiling, which I had not with P_HAS_SEMAPHORES
> > > > > > set to 1.
> > > > > >
> > > > > > The problem becomes complex. Having a bad sound quality is not
> > > > > > problematic. What was problematic on 2.6 was to have people having bad
> > > > > > sound quality as soon as they were moving a window.
> > > > > >
> > > > > > What are your comments?
> > > > > >
> > > > > > Thank you,
> > > > > >
> > > > > >
> > > > > > Damien
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