[LAD] JACK and CPU stress testing

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To: Linux Audio Developers <linux-audio-dev@...>
Date: Friday, March 1, 2013 - 11:41 am

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Hey all,

I'm currently attempting to stress test my setup of -rt kernel, rtirq
scripts, and a Jack client program I've been working on.
So my idea is to create a script that runs the programs, and also a
cpu-load generating program (cpuburn or alternative).
Then collecting stats based on Xruns, % DSP load, etc.

I intend to show (trough brute force) that an application is RT capable on
machine X with a latency of Y ms.
Of course this won't be 100% representative, but the stats will show some
RT-safe-ness.

Has anybody done this kind of profiling / stress testing with JACK before?
Hints / tips / advice / etc welcomed! -Harry

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Hey all,I'm currently attempting to stress test my setup of=A0 =
-rt kernel, rtirq scripts, and a Jack client program I've been working =
on.So my idea is to create a script that runs the programs, and also a =
cpu-load generating program (cpuburn or alternative).
Then collecting stats based on Xruns, % DSP load, etc.I intend to s=
how (trough brute force) that an application is RT capable on machine X wit=
h a latency of Y ms.Of course this won't be 100% representative, bu=
t the stats will show some RT-safe-ness.
Has anybody done this kind of profiling / stress testing with JACK befo=
re?Hints / tips / advice / etc welcomed! -Harry

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Messages in current thread:
[LAD] JACK and CPU stress testing, Harry van Haaren, (Fri Mar 1, 11:41 am)
Re: [LAD] JACK and CPU stress testing, Robin Gareus, (Fri Mar 1, 5:29 pm)
Re: [LAD] JACK and CPU stress testing, Harry van Haaren, (Sat Mar 2, 3:47 pm)
Re: [LAD] JACK and CPU stress testing, Dominique Michel, (Sat Mar 2, 9:39 pm)
Re: [LAD] JACK and CPU stress testing, Dominique Michel, (Fri Mar 1, 5:02 pm)
Re: [LAD] JACK and CPU stress testing, Dominique Michel, (Fri Mar 1, 5:10 pm)
Re: [LAD] JACK and CPU stress testing, Rui Nuno Capela, (Fri Mar 1, 12:23 pm)
Re: [LAD] JACK and CPU stress testing, Rui Nuno Capela, (Fri Mar 1, 4:09 pm)
Re: [LAD] JACK and CPU stress testing, Kaj Ailomaa, (Fri Mar 1, 11:55 am)
Re: [LAD] JACK and CPU stress testing, Adrian Knoth, (Fri Mar 1, 11:49 am)