Re: perf_event: rdpmc self-monitoring overhead issue

[Stephane Eranian]

On Mon, Sep 2, 2013 at 4:50 AM, Andi Kleen <andi@xxxxxxxxxxxxxx> wrote:
> Stephane Eranian <eranian@xxxxxxxxxxxxxx> writes:
>
>> I don't see a flag in mmap() to fault it in immediately.
>
> MAP_PRESENT
>
I could not find this constant defined anywhere in the kernel source tree
nor in /usr/include. Are you sure of the name?
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