From: Andi Kleen <ak@muc.de>
To: Parag Warudkar <kernel-stuff@comcast.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: X86_64 Ctx switch times - 32bit vs 64bit
Date: 10 May 2005 03:48:07 +0200
Date: Tue, 10 May 2005 03:48:07 +0200 [thread overview]
Message-ID: <20050510014807.GA97046@muc.de> (raw)
In-Reply-To: <200505092131.36126.kernel-stuff@comcast.net>
> samples % symbol name
> 20820 11.5424 copy_user_generic_c
> 12990 7.2015 ia32_syscall
> 10131 5.6165 gs_change
> 9053 5.0189 __dequeue_signal
> 7494 4.1546 find_pid
Context switch does not even appear. Probably the i386 glibc does
something much slower than 64bit. I would compare straces.
-Andi
prev parent reply other threads:[~2005-05-10 1:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-06 1:38 X86_64 Ctx switch times - 32bit vs 64bit Parag Warudkar
2005-05-07 14:40 ` Andi Kleen
2005-05-10 1:31 ` Parag Warudkar
2005-05-10 1:48 ` Andi Kleen [this message]
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=20050510014807.GA97046@muc.de \
--to=ak@muc.de \
--cc=kernel-stuff@comcast.net \
--cc=linux-kernel@vger.kernel.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