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From: Steven Rostedt <rostedt@goodmis.org>
To: Michael Rubin <mrubin@google.com>
Cc: David Sharp <dhsharp@google.com>,
	linux-kernel@vger.kernel.org,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	Ingo Molnar <mingo@elte.hu>,
	Andrew Morton <akpm@linux-foundation.org>,
	Frederic Weisbecker <fweisbec@gmail.com>
Subject: Re: Benchmarks of kernel tracing options (ftrace and ktrace)
Date: Thu, 18 Nov 2010 20:41:31 -0500	[thread overview]
Message-ID: <1290130891.30543.127.camel@gandalf.stny.rr.com> (raw)
In-Reply-To: <AANLkTimrgXbZxQKjapXkDgYRZqdZkfe1eUdFTAu=+Q8f@mail.gmail.com>

On Thu, 2010-11-18 at 17:11 -0800, Michael Rubin wrote:

> > 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?

Look at commits:

afcc5c6872f0215d515a637041bb51f8691a8ea7
69d1b839f7eee347e357b3f6cce7f630cc6ff93d
140ff89127c74b1b1c1b0152a36ea3720ccf6bc3
d9abde2138e0a00a0d7e44676928efa0ef629d48
b8b2663bd7c9da04ac804659b9f617c199d0252c

-- Steve



      reply	other threads:[~2010-11-19  1:41 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <AANLkTikfYy-kYb1=KbsYwHd0_vcf20d2nPSfFynugz8z@mail.gmail.com>
     [not found] ` <AANLkTikKwx6okpX4pxVzTvrVNm=KhUvLQGs0_ziwo6fX@mail.gmail.com>
2010-10-13 23:19   ` Benchmarks of kernel tracing options (ftrace and ktrace) David Sharp
2010-10-13 23:50     ` Steven Rostedt
2010-10-14  0:00       ` Mathieu Desnoyers
2010-10-14 11:27         ` Frederic Weisbecker
2010-10-14 18:04         ` Jason Baron
2010-11-16 23:27       ` David Sharp
2010-11-16 23:32         ` Steven Rostedt
2010-11-19  1:11           ` Michael Rubin
2010-11-19  1:41             ` Steven Rostedt [this message]

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