Ingo Molnar <[EMAIL PROTECTED]> writes:
> i suspect the confusion comes from the API hacks i'm using: user-space
> tracing is started/stopped via:
>
> gettimeofday(0,1);
> gettimeofday(0,0);
>
> while 'jackd does not want to be scheduled' flag is switched on/off via:
>
> gettime
* Florian Schmidt <[EMAIL PROTECTED]> wrote:
> > JACK sources already include a CHECK_PREEMPTION() macro which expands
> > to Ingo's special gettimeofday() calls. The trace is turned on and
> > then off automatically before and after the realtime critical section
> > in the process thread (see l
On Wed, 31 Aug 2005 07:08:08 -0500
"Jack O'Quin" <[EMAIL PROTECTED]> wrote:
> JACK sources already include a CHECK_PREEMPTION() macro which expands
> to Ingo's special gettimeofday() calls. The trace is turned on and
> then off automatically before and after the realtime critical section
> in the
On Wed, 2005-08-31 at 00:35, Ingo Molnar wrote:
> * Fernando Lopez-Lezcano <[EMAIL PROTECTED]> wrote:
>
> > Do a "tar cvf usr.tar /usr" just to read/write a lot to disk (this
> > within the same SATA disk). Watch memory being used in a system
> > monitor applet up to 100%. After a while, hard to
Ingo Molnar <[EMAIL PROTECTED]> writes:
> - if everything fails and automatic latency tracing does not show
> anything out of ordinary, then you could try to do "user-triggered
> tracing" of jackd's critical path. This is more laborous to do, but
> should pinpoint the latency reason in a p
* Fernando Lopez-Lezcano <[EMAIL PROTECTED]> wrote:
> Do a "tar cvf usr.tar /usr" just to read/write a lot to disk (this
> within the same SATA disk). Watch memory being used in a system
> monitor applet up to 100%. After a while, hard to say how long (maybe
> 10/15 minutes?) the system eventu
On Tue, 2005-08-30 at 19:39, Lee Revell wrote:
> On Tue, 2005-08-30 at 19:03 -0700, Fernando Lopez-Lezcano wrote:
> > Hi, I'm starting to look at a strange problem. The configuration is:
> > hardware: AMD X2 4400+ dual core, NForce3 chipset, Midiman 66 soundcard
> > software: 2.6.13 smp + patch-2.6
On Tue, 2005-08-30 at 19:03 -0700, Fernando Lopez-Lezcano wrote:
> Hi, I'm starting to look at a strange problem. The configuration is:
> hardware: AMD X2 4400+ dual core, NForce3 chipset, Midiman 66 soundcard
> software: 2.6.13 smp + patch-2.6.13-rt1, PREEMPT_DESKTOP
> jack 0.100.4, curr
Hi, I'm starting to look at a strange problem. The configuration is:
hardware: AMD X2 4400+ dual core, NForce3 chipset, Midiman 66 soundcard
software: 2.6.13 smp + patch-2.6.13-rt1, PREEMPT_DESKTOP
jack 0.100.4, current cvs
alsa 1.0.10rc1
This is the sequence of events. Start J
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