Messages in this thread | | | Subject | Re: [patch] oprofile for ppc | From | Albert Cahalan <> | Date | 11 Mar 2003 19:10:53 -0500 |
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On Tue, 2003-03-11 at 18:30, mikpe@csd.uu.se wrote: >>>>> Benjamin Herrenschmidt wrote:
>>>>>> Beware though that some G4s have a nasty bug that >>>>>> prevents using the performance counter interrupt >>>>>> (and the thermal interrupt as well). ... > Is this bug restricted to 7400/7410 only, or does it > affect the 750 (and relatives) and 604/604e too? > > I'm thinking about ppc support for my perfctr driver, > and whether overflow interrupts are worth supporting > or not given the errata.
604/604e doesn't even have performance monitoring AFAIK. I've heard nothing to suggest that the 750 is affected.
I'll give you a hand; point me to the latest perfctr code and explain how it is supposed to interact with oprofile.
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