Re: [PATCH 4/5] perf record: mmap output file - v5

[Peter Zijlstra]

On Tue, Nov 19, 2013 at 12:48:10PM +0100, Peter Zijlstra wrote:
> And that does indeed seem to side-step the perf sw pagefault event, but
> that is arguably a perf bug.

To clarify; mm/memory.c:handle_mm_fault() is where the VM counts its
generic PGFAULT event, but our perf sw event is in the arch fault
handler.

So they count different but related things.
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