linux-kernel - Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3

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Message-ID: <20070301142756.GA22076@elte.hu>
Date:	Thu, 1 Mar 2007 15:27:56 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Eric Dumazet <dada1@...mosbay.com>
Cc:	Evgeniy Polyakov <johnpol@....mipt.ru>,
	Pavel Machek <pavel@....cz>, Theodore Tso <tytso@....edu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ulrich Drepper <drepper@...hat.com>,
	linux-kernel@...r.kernel.org,
	Arjan van de Ven <arjan@...radead.org>,
	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@....com.au>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Zach Brown <zach.brown@...cle.com>,
	"David S. Miller" <davem@...emloft.net>,
	Suparna Bhattacharya <suparna@...ibm.com>,
	Davide Libenzi <davidel@...ilserver.org>,
	Jens Axboe <jens.axboe@...cle.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3


* Eric Dumazet <dada1@...mosbay.com> wrote:

> On my machines (again ...), ab is the slow thing... not the 'server'

Evgeniy said that both in the epoll and the kevent case the server side 
CPU was 98%-100% busy - so inefficiencies on the client side do not 
matter that much - the server is saturated. It's that "kevent is 25% 
faster than epoll" claim that i'm probing mainly.

	Ingo
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