From: Peter Zijlstra <peterz@infradead.org>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
Pierre Tardy <tardyp@gmail.com>, Ingo Molnar <mingo@elte.hu>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Tom Zanussi <tzanussi@gmail.com>,
Paul Mackerras <paulus@samba.org>,
linux-kernel@vger.kernel.org, arjan@infradead.org,
ziga.mahkovec@gmail.com, davem <davem@davemloft.net>
Subject: Re: Perf and ftrace [was Re: PyTimechart]
Date: Wed, 12 May 2010 20:00:12 +0200 [thread overview]
Message-ID: <1273687212.1626.147.camel@laptop> (raw)
In-Reply-To: <20100512175305.GB32496@Krystal>
On Wed, 2010-05-12 at 13:53 -0400, Mathieu Desnoyers wrote:
>
> Would you be fine with an alternative implementation and API that support both
> mmap() and splice(), without any need to swap pages ?
Sure, what did you have in mind?
You basically give you page to splice, never to see it again, you'd need
to fill that hole in your buffer again.
next prev parent reply other threads:[~2010-05-12 18:00 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-11 21:10 [RFC] PyTimechart Pierre Tardy
2010-05-11 21:36 ` Frederic Weisbecker
2010-05-12 13:37 ` Pierre Tardy
2010-05-12 14:48 ` Frederic Weisbecker
2010-05-12 15:36 ` Steven Rostedt
2010-05-12 16:46 ` Perf and ftrace [was Re: PyTimechart] Frederic Weisbecker
2010-05-12 17:00 ` Peter Zijlstra
2010-05-12 17:07 ` Mathieu Desnoyers
2010-05-12 17:47 ` Peter Zijlstra
2010-05-12 17:53 ` Mathieu Desnoyers
2010-05-12 18:00 ` Peter Zijlstra [this message]
2010-05-12 18:04 ` Mathieu Desnoyers
2010-05-12 18:08 ` Peter Zijlstra
2010-05-12 18:37 ` Mathieu Desnoyers
2010-05-12 18:46 ` Steven Rostedt
2010-05-12 20:27 ` Mathieu Desnoyers
2010-05-12 22:21 ` Steven Rostedt
2010-05-13 13:20 ` Mathieu Desnoyers
2010-05-13 15:42 ` Steven Rostedt
2010-05-13 16:31 ` Mathieu Desnoyers
2010-05-13 16:46 ` Steven Rostedt
2010-05-13 17:10 ` Mathieu Desnoyers
2010-05-13 18:33 ` Steven Rostedt
2010-05-14 7:53 ` Peter Zijlstra
2010-05-12 18:49 ` Peter Zijlstra
2010-05-12 18:51 ` Mathieu Desnoyers
2010-05-12 19:01 ` Peter Zijlstra
2010-05-12 20:52 ` Mathieu Desnoyers
2010-05-12 17:11 ` Ingo Molnar
2010-05-12 16:59 ` [RFC] PyTimechart Ingo Molnar
2010-05-12 17:15 ` Steven Rostedt
2010-05-12 18:23 ` Ingo Molnar
2010-05-12 17:13 ` Pierre Tardy
2010-05-13 15:02 ` Arnaldo Carvalho de Melo
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