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This looks excellent

Posted Feb 3, 2011 15:03 UTC (Thu) by robert_s (subscriber, #42402)
Parent article: Using KernelShark to analyze the real-time scheduler

I've been looking for something like kernelshark ever since I started doing realtime programming and I'm so glad to know it exists.

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Posted Feb 10, 2011 21:56 UTC (Thu) by oak (subscriber, #2786) [Link]

Did you have some problem with LTT:
http://en.wikipedia.org/wiki/LTTng
?

(It's UI has some usability issues, but otherwise LTT has been used for this kind of stuff on Linux for the past decade.)