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    SubjectRe: [PATCH] Add munmap events to perf
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    On Tue, 2010-06-29 at 09:33 +0100, Eric B Munson wrote:
    > On Mon, 28 Jun 2010, Peter Zijlstra wrote:
    >
    > > On Mon, 2010-06-28 at 19:08 +0100, Eric B Munson wrote:
    > > > This patch adds a new software event for munmaps. It will allows
    > > > users to profile changes to address space. munmaps will be tracked
    > > > with mmaps.
    > >
    > > Why?
    > >
    >
    > It is going to be used by a tool that will model memory usage over the
    > lifetime of a process.

    Wouldn't it be better to use some tracepoints for that instead? I want
    to keep the sideband data to a minimum required to interpret the sample
    data, and you don't need unmap events for that.




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