Messages in this thread | | | Date | Thu, 10 Dec 2009 11:35:27 -0600 (CST) | From | Christoph Lameter <> | Subject | Re: [RFC mm][PATCH 2/5] percpu cached mm counter |
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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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