From: Ingo Molnar <mingo@elte.hu>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/2] tracing/function-return-tracer: Call prepare_ftrace_return by registers
Date: Wed, 12 Nov 2008 23:16:23 +0100 [thread overview]
Message-ID: <20081112221623.GB6125@elte.hu> (raw)
In-Reply-To: <491B4F63.3090909@gmail.com>
* Frederic Weisbecker <fweisbec@gmail.com> wrote:
> Impact: Optimize a bit the function return tracer
>
> This patch changes the calling convention of prepare_ftrace_return
> to pass its arguments by register. This will optimize it a bit and
> prepare it to support dynamic tracing.
>
> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
> Cc: Steven Rostedt <rostedt@goodmis.org>
> ---
> arch/x86/kernel/entry_32.S | 5 +----
> arch/x86/kernel/ftrace.c | 1 -
> 2 files changed, 1 insertions(+), 5 deletions(-)
applied to tip/tracing/function-return-tracer, thanks Frederic!
btw., should we now rename it all to the function-cost tracer?
Ingo
next prev parent reply other threads:[~2008-11-12 22:16 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-12 21:49 Frederic Weisbecker
2008-11-12 22:16 ` Ingo Molnar [this message]
2008-11-12 22:22 ` Frédéric Weisbecker
2008-11-12 23:25 ` Steven Rostedt
2008-11-12 23:35 ` Frédéric Weisbecker
2008-11-13 0:11 ` Steven Rostedt
2008-11-13 8:59 ` Ingo Molnar
2008-11-13 9:14 ` Ingo Molnar
2008-11-13 10:02 ` Frédéric Weisbecker
2008-11-13 10:09 ` Ingo Molnar
2008-11-13 23:48 ` Frédéric Weisbecker
2008-11-13 9:38 ` Frédéric Weisbecker
2008-11-13 9:40 ` Frédéric Weisbecker
2008-11-13 9:44 ` Ingo Molnar
2008-11-17 18:58 ` Frederic Weisbecker
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=20081112221623.GB6125@elte.hu \
--to=mingo@elte.hu \
--cc=fweisbec@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=rostedt@goodmis.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®