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SubjectRe: [PATCH] vmevent: Use 'struct vmevent_attr' for vmevent_fd() ABI
On Wed, 7 Mar 2012, Anton Vorontsov wrote:
> Sorry for hijacking this thread, but speaking of big
> changes. Are there any plans or ideas to add other methods
> of sampling, i.e. something not timer-based?

Yes and no.

Linux already has non-timer based "vm events" via tracepoints. There's
absolutely no need to reinvent the wheel so we should integrate with perf
more closely.

The biggest open question is whether or not a new syscall is needed for
configuring memory thresholds and such.

Pekka


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