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    SubjectRe: [RFC mm][PATCH 2/5] percpu cached mm counter
    On Thu, 10 Dec 2009, Ingo Molnar wrote:

    >
    > No, i'm not suggesting that - i'm just suggesting that right now MM
    > stats are not very well suited to be exposed via perf. If we wanted to
    > measure/sample the information in /proc/<pid>/statm it just wouldnt be
    > possible. We have a few events like pagefaults and a few tracepoints as
    > well - but more would be possible IMO.

    vital MM stats are exposed via /proc/<pid> interfaces. Performance
    monitoring is something optional MM VM stats are used for VM decision on
    memory and process handling.



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