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]
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