From: Andi Kleen <andi@firstfloor.org>
To: eranian@gmail.com
Cc: Andi Kleen <andi@firstfloor.org>,
Vince Weaver <vincent.weaver@maine.edu>,
LKML <linux-kernel@vger.kernel.org>,
linux-perf-users@vger.kernel.org,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@kernel.org>,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: Re: perf_event: rdpmc self-monitoring overhead issue
Date: Mon, 2 Sep 2013 11:23:15 +0200 [thread overview]
Message-ID: <20130902092315.GI19750@two.firstfloor.org> (raw)
In-Reply-To: <CAMsRxfLf4mSVEMnDr1AqD-=qrhBoeVWK6H0Jhb5kcHK7=OajmQ@mail.gmail.com>
On Mon, Sep 02, 2013 at 10:24:13AM +0200, Stephane Eranian wrote:
> On Mon, Sep 2, 2013 at 4:50 AM, Andi Kleen <andi@firstfloor.org> wrote:
> > Stephane Eranian <eranian@googlemail.com> 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?
MAP_POPULATE sorry
-Andi
next prev parent reply other threads:[~2013-09-02 9:23 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-30 17:55 perf_event: rdpmc self-monitoring overhead issue Vince Weaver
2013-08-30 18:05 ` Stephane Eranian
2013-08-30 18:35 ` Vince Weaver
2013-08-31 10:06 ` Mikael Pettersson
2013-09-02 2:50 ` Andi Kleen
2013-09-02 8:24 ` Stephane Eranian
2013-09-02 9:23 ` Andi Kleen [this message]
2013-09-02 13:15 ` Vince Weaver
2013-09-02 17:26 ` Andi Kleen
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