<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Jan 24, 2016 at 2:03 PM, Fokke de Jong <span dir="ltr"><<a href="mailto:fokkedejong@gmail.com" target="_blank">fokkedejong@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="word-wrap:break-word"><div style="margin:0px">Currently working on some realtime convolution with lots of channels and low latency requirements, but I am running into some unexpected cpu-spikes and hope some of you might have an idea of possible causes.</div></div></blockquote><div><br></div><div>Keep an eye on the interrupts while its all running, particularly<br>Non-maskable interrupts. Try to correlate them with the 0.6 sec<br>of the glitches if possible;<br></div><div><br>watch -n 0.1 cat /proc/interrupts<br></div><div> <br></div><div>I've written up some of the checks I generally do, perhaps browse<br>that to see if there's anything there that you could check?<br><a href="http://openavproductions.com/real-time-latency-tuning/">http://openavproductions.com/real-time-latency-tuning/</a><br><br></div><div>Thats all I can think of at the moment, -Harry<br></div><div><br></div></div>-- <br><div class="gmail_signature"><br><a href="http://www.openavproductions.com" target="_blank">http://www.openavproductions.com</a></div>
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