linux-kernel - Re: Benchmarks of kernel tracing options (ftrace and ktrace)

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Message-ID: <AANLkTimrgXbZxQKjapXkDgYRZqdZkfe1eUdFTAu=+Q8f@mail.gmail.com>
Date:	Thu, 18 Nov 2010 17:11:14 -0800
From:	Michael Rubin <mrubin@...gle.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	David Sharp <dhsharp@...gle.com>, linux-kernel@...r.kernel.org,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: Benchmarks of kernel tracing options (ftrace and ktrace)

On Tue, Nov 16, 2010 at 3:32 PM, Steven Rostedt <rostedt@...dmis.org> wrote:
> Mike may have been confused ;-)

I am always confused.

> I did tell him that some ring buffer improvements did make it into the
> kernel. You might want to try the latest mainline again.

You told me that you had patches (in 2.6.37) I think that would allow
us to specifically improve the syscall tracing performance.

Can you point us at em?

mrubin
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