Messages in this thread | | | Date | Thu, 8 May 2003 23:20:08 -0700 | From | William Lee Irwin III <> | Subject | Re: how to measure scheduler latency on powerpc? realfeel doesn't work due to /dev/rtc issues |
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William Lee Irwin III wrote: >> Try the timebase instead.
On Fri, May 09, 2003 at 02:14:13AM -0400, Chris Friesen wrote: > The timestamp is not hard to get. The problem is getting a > medium-frequency (2KHz or so) hardware interrupt to drive the test. > On intel, you can do this by programming /dev/rtc. This does not work in > powerpc.
I don't understand why you're obsessed with interrupts. Just run your load and spray the scheduler latency stats out /proc/
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