Messages in this thread | | | Subject | Re: [PATCH 5/6] perf_counter: add more context information | From | Peter Zijlstra <> | Date | Mon, 06 Apr 2009 22:46:39 +0200 |
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On Mon, 2009-04-06 at 13:16 -0700, Corey Ashford wrote:
> >> One downside of this approach is that you if you specify "no header" > >> (currently not possible, but maybe later?), you will not be able to get > >> the level bits. > > > > Would this be desirable?
> I think it would. For one use case I'm working on right now, simple > profiling, all I need are ip's. If I could omit the header, that would > reduce the frequency of sigio's by a factor of three, and make it faster > to read up the ip's when the SIGIO's occur.
Self-profiling?
So you're interested in getting the smallest possible record size, that would still be 2 u64, right? Otherwise you don't get the IP context that started this.
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