Messages in this thread | | | Date | Sun, 12 Sep 2010 17:17:31 +0100 | From | Sitsofe Wheeler <> | Subject | Re: EeePC 900 reboots/hangs when using using perf -a -f -g |
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On Sun, Sep 12, 2010 at 03:06:39PM +0200, Frederic Weisbecker wrote: > > Testing with a software event like page faults will test if it's related > to hardware events only or some of them. > For example if it doesn't happen in fault events, then let's try with some > others, just to see if we can narrow down to some particular events.
OK.
> If it happens on faults it will be easier to debug because software events > don't happen in NMI (at least not the faults), so enabling RCU stalls checks > there will probably success to trigger a backtrace. Perhaps you can profile > only one CPU for that (-C 1, eeepc 900 are SMT, right?), so that there is > a free CPU to notice the stall and trigger the backtrace through remote NMIs.
An EeePC has only one CPU (so it's strictly UP only).
-- Sitsofe | http://sucs.org/~sits/
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