From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Jt9Wu-0003yB-Kq for qemu-devel@nongnu.org; Mon, 05 May 2008 18:51:32 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Jt9Wu-0003xm-2t for qemu-devel@nongnu.org; Mon, 05 May 2008 18:51:32 -0400 Received: from [199.232.76.173] (port=47159 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Jt9Wt-0003xZ-O5 for qemu-devel@nongnu.org; Mon, 05 May 2008 18:51:31 -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 1Jt9Wt-0008FE-9f for qemu-devel@nongnu.org; Mon, 05 May 2008 18:51:31 -0400 Message-ID: <481F8F74.9010507@aurel32.net> Date: Tue, 06 May 2008 00:51:32 +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> <481F8F0B.8040004@aurel32.net> In-Reply-To: <481F8F0B.8040004@aurel32.net> 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 Aurelien Jarno a écrit : > 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 ^^^^^^^^^^ oops that is 170 Mbps > 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