From: Ingo Molnar <mingo@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
David Ahern <dsahern@gmail.com>,
linux-kernel@vger.kernel.org,
Frederic Weisbecker <fweisbec@gmail.com>,
Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
Mike Galbraith <efault@gmx.de>,
Stephane Eranian <eranian@google.com>
Subject: Re: [PATCH 3/3] perf record: mmap output file
Date: Tue, 15 Oct 2013 17:27:47 +0200 [thread overview]
Message-ID: <20131015152747.GA15979@gmail.com> (raw)
In-Reply-To: <20131015143819.GM10651@twins.programming.kicks-ass.net>
* Peter Zijlstra <peterz@infradead.org> wrote:
> On Tue, Oct 15, 2013 at 11:32:45AM -0300, Arnaldo Carvalho de Melo wrote:
>
> > Jiri and PeterZ probaby will have comments here... ;-) :-)
>
> The only complication with splice is the vmalloc support; other than
> that it should be fairly straight fwd.
In the initial version we could skip splice support for vmalloc
ring-buffer, to keep things simple.
Wanna send a patch for people to try? Looks like there's real interest in
speeding up perf record as much as possible!
Thanks,
Ingo
next prev parent reply other threads:[~2013-10-15 15:27 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-09 3:26 [PATCH 0/3] perf trace enhancements David Ahern
2013-10-09 3:26 ` [PATCH 1/3] perf util: Add findnew method to intlist - v2 David Ahern
2013-10-15 5:32 ` [tip:perf/core] perf util: Add findnew method to intlist tip-bot for David Ahern
2013-10-09 3:26 ` [PATCH 2/3] perf trace: Add summary option to dump syscall statistics David Ahern
2013-10-09 13:16 ` Jiri Olsa
2013-10-15 5:32 ` [tip:perf/core] " tip-bot for David Ahern
2013-10-09 3:26 ` [PATCH 3/3] perf record: mmap output file David Ahern
2013-10-09 5:59 ` Ingo Molnar
2013-10-15 14:04 ` David Ahern
2013-10-15 14:32 ` Arnaldo Carvalho de Melo
2013-10-15 14:38 ` Peter Zijlstra
2013-10-15 15:27 ` Ingo Molnar [this message]
2013-10-15 15:29 ` Peter Zijlstra
2013-10-15 15:30 ` David Ahern
2013-10-15 16:06 ` Ingo Molnar
2013-10-15 16:16 ` David Ahern
2013-10-16 7:11 ` Ingo Molnar
2013-10-15 16:37 ` Peter Zijlstra
2013-10-09 7:14 ` Mike Galbraith
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