From: Peter Zijlstra <peterz@infradead.org>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Harald Gustafsson <hgu1972@gmail.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Harald Gustafsson <harald.gustafsson@ericsson.com>,
Song Yuan <song.yuan@ericsson.com>,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: perf events over (net) console?
Date: Thu, 09 Sep 2010 13:35:42 +0200 [thread overview]
Message-ID: <1284032142.402.5.camel@laptop> (raw)
In-Reply-To: <20100909112940.GA5267@nowhere>
On Thu, 2010-09-09 at 13:29 +0200, Frederic Weisbecker wrote:
> But if we bring the splice support,
Even simply write() from the mmap() buffer isn't terribly expensive. But
yeah, once we fix splice not to always copy that could be even better.
Splice() is on the todo list, but it needs significant user-interface
work and I'm rather busy..
next prev parent reply other threads:[~2010-09-09 11:35 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-09 11:06 perf events over (net) console? Harald Gustafsson
2010-09-09 11:19 ` Peter Zijlstra
2010-09-09 11:29 ` Frederic Weisbecker
2010-09-09 11:35 ` Peter Zijlstra [this message]
2010-09-09 11:40 ` Frederic Weisbecker
2010-09-09 11:40 ` Ingo Molnar
2010-09-09 12:31 ` Harald Gustafsson
2010-09-09 12:47 ` Peter Zijlstra
2010-09-09 13:07 ` Ingo Molnar
2010-09-09 13:21 ` Frederic Weisbecker
2010-09-09 14:41 ` Arnaldo Carvalho de Melo
2010-09-09 17:42 ` Harald Gustafsson
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