From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Jt9VF-00033S-Fm for qemu-devel@nongnu.org; Mon, 05 May 2008 18:49:49 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Jt9VE-000333-AL for qemu-devel@nongnu.org; Mon, 05 May 2008 18:49:48 -0400 Received: from [199.232.76.173] (port=47082 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Jt9VE-00032x-4x for qemu-devel@nongnu.org; Mon, 05 May 2008 18:49:48 -0400 Received: from hall.aurel32.net ([91.121.138.14]) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1Jt9VD-0007z0-QB for qemu-devel@nongnu.org; Mon, 05 May 2008 18:49:47 -0400 Message-ID: <481F8F0B.8040004@aurel32.net> Date: Tue, 06 May 2008 00:49:47 +0200 From: Aurelien Jarno MIME-Version: 1.0 Subject: Re: [Qemu-devel] [4341] qemu: generate signals on tap I/O References: <481F84F3.6060505@flac.kalibalik.dk> <481F86F3.4080007@aurel32.net> <481F8D57.40500@flac.kalibalik.dk> <481F8DE5.9040905@codemonkey.ws> In-Reply-To: <481F8DE5.9040905@codemonkey.ws> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Anthony Liguori Cc: qemu-devel@nongnu.org Anthony Liguori a écrit : > Anders wrote: >> Aurelien Jarno wrote: >> >>> That's why I reverted that commit, it was for my local tree only, I >>> committed it accidentally (along with a few other patches). >> >> Ah, okay. I only read the subject of your reverts, which did not >> mention 4341. >> >>>> I posted a more complete implementation a few weeks ago, anything wrong >>>> with it? >>>> >>>> http://thread.gmane.org/gmane.comp.emulators.qemu/24567 >>> >>> People saying it is not the way to go, and I have still haven't decided >>> myself if it is a correct solution or not. >>> >> >> The current code is also not a correct solution. >> >> Well, I will just keep it in my local tree. > > You're seeing improvement with normal QEMU? Can you please post a > description of what you're seeing improve with SIGIO. SIGIO should > really only slow things down. I haven't tried Anders' patch, but the patch I accidentally committed improved the network speed (tap mode) by a huge factor (I haven't the exact factor in mind anymore). I can now easily reach 170 MBps with an e1000 card on the MIPS Malta target. That's why I use that patch in my local tree. -- .''`. Aurelien Jarno | GPG: 1024D/F1BCDB73 : :' : Debian developer | Electrical Engineer `. `' aurel32@debian.org | aurelien@aurel32.net `- people.debian.org/~aurel32 | www.aurel32.net