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From: Arnaldo Melo <acme@ghostprotocols.net>
To: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>, Jiri Olsa <jolsa@redhat.com>,
	Mike Galbraith <efault@gmx.de>,
	Namhyung Kim <namhyung@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Stephane Eranian <eranian@google.com>
Subject: Re: [PATCH] perf session: Add option to copy events when queueing
Date: Thu, 24 Oct 2013 09:27:48 -0300	[thread overview]
Message-ID: <20131024122748.GC6539@ghostprotocols.net> (raw)
In-Reply-To: <5268F524.20505@gmail.com>

Em Thu, Oct 24, 2013 at 11:23:32AM +0100, David Ahern escreveu:
> On 10/24/13 10:30 AM, Frederic Weisbecker wrote:
> >Bah, checking that again, there don't seem to be a bug there. Actually
> >the sample buffer is reset after we pick the last entry. So it looks
> >all fine. I got confused as usual. Nevermind.
> 
> Ok. I had not come back to this thread since I decided on a
> different route for the event copying. I'll take it out of my to-do
> list.

Can you elaborate on that?

I had this feeling that perhaps we could defer copying the event till it
would be overwritten, something like making a range read only and then
when the event would be _really_ consumed the tooling would mark it as
so... Have to think about it more tho :-\

- Arnaldo

  reply	other threads:[~2013-10-24 12:27 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-06 19:37 [PATCH] perf session: Add option to copy events when queueing David Ahern
2013-09-14 16:16 ` Frederic Weisbecker
2013-09-14 17:25   ` David Ahern
2013-09-16 16:40     ` Frederic Weisbecker
2013-09-17  4:14       ` David Ahern
2013-10-24  9:30   ` Frederic Weisbecker
2013-10-24 10:23     ` David Ahern
2013-10-24 12:27       ` Arnaldo Melo [this message]
2013-10-24 13:12         ` David Ahern
2013-10-24 14:07           ` Arnaldo Melo
2013-10-25 16:04             ` David Ahern
2013-10-02 12:18 ` Jiri Olsa
2013-10-02 12:38   ` Jiri Olsa
2013-10-02 12:52     ` David Ahern

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