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    SubjectRe: [PATCH 5/6] perf_counter: add more context information
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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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