From: Steven Rostedt <rostedt@goodmis.org>
To: David Sharp <dhsharp@google.com>
Cc: linux-kernel@vger.kernel.org,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
Michael Rubin <mrubin@google.com>,
Frederic Weisbecker <fweisbec@gmail.com>
Subject: Re: Benchmarks of kernel tracing options (ftrace and ktrace)
Date: Tue, 16 Nov 2010 18:32:15 -0500 [thread overview]
Message-ID: <1289950335.30543.8.camel@gandalf.stny.rr.com> (raw)
In-Reply-To: <AANLkTi=Y2X5EuqiCncPeNefgHs6vvGmnZpsyyddRR2g_@mail.gmail.com>
On Tue, 2010-11-16 at 15:27 -0800, David Sharp wrote:
> Steve, Mike told me that you may have some patches to improve overhead
> of syscall tracing. I'd be interested in testing them. Can you send
> them my way?
Mike may have been 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.
I even have other patches that might help. I'll have to go and dig them
up.
-- Steve
next prev parent reply other threads:[~2010-11-16 23:32 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 [this message]
2010-11-19 1:11 ` Michael Rubin
2010-11-19 1:41 ` Steven Rostedt
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1289950335.30543.8.camel@gandalf.stny.rr.com \
--to=rostedt@goodmis.org \
--cc=akpm@linux-foundation.org \
--cc=dhsharp@google.com \
--cc=fweisbec@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mathieu.desnoyers@efficios.com \
--cc=mingo@elte.hu \
--cc=mrubin@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.