Re: [PATCH 2/2 -tip] perf_counter: parse-events.c introduce aliasmember in event_symbol
From: Jaswinder Singh Rajput
Date: Tue Jun 23 2009 - 10:03:07 EST
On Tue, 2009-06-23 at 10:24 +0200, Ingo Molnar wrote:
> * Jaswinder Singh Rajput <jaswinder@xxxxxxxxxx> wrote:
> > perf test also need some command to execute otherwise it will also
> > show long list of <inactive>
> I think what it should do is to execute test-cases _internally_. Not
> just execute some random command on the system and hope for events.
Can you suggest some good test cases where we can get numbers for almost
all the events on each and every run.
> > context-switches 7956
> > CPU-migrations 7
> this needs to be provoked intentionally via sched_setaffinity():
> first migrate to cpu0, then to cpu1.
There should be some option from user or we test it each time.
> > L1-data-Cache-Load-Referencees 398303881
> > L1-data-Cache-Load-Misses 3552374
> > L1-data-Cache-Store-Referencees 270178
> > L1-data-Cache-Store-Misses <inactive>
> this is probably inactive due to AMD not having events for that and
> the generic cache event being 0 there, right?
Yes, it is not set for AMD.
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