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    SubjectRe: [PATCH 4/4] trace: profile all if conditionals
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    Steven Rostedt <rostedt@goodmis.org> writes:
    >
    > Miss means the branch was not taken. Hit means the branch was taken.
    > The percent is the percentage the branch was taken.

    I'm not sure the results are very useful? What would
    you do with it?

    It seems like a very special case of gcov, but I think I would
    rather have the full thing (patches in -mm I think)

    > This adds a significant amount of overhead and should only be used
    > by those analyzing their system.

    Often this can be also done using CPU performance counters. Might
    be a cheaper option.

    -Andi

    --
    ak@linux.intel.com


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