Re: [RFC] para virt interface of perf to support kvm guest osstatistics collection in guest os

From: Peter Zijlstra
Date: Thu Jun 10 2010 - 05:50:58 EST

On Thu, 2010-06-10 at 10:21 +0800, Zhang, Yanmin wrote:
> . The ABI mostly includes the definition of struct perf_event_attr,
> guest_perf_counter,
> and hypercalls.

Note that perf_event_attr isn't guaranteed to be stable between kernels,
it can grow.
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