From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e8.ny.us.ibm.com (e8.ny.us.ibm.com [32.97.182.138]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e8.ny.us.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 0D63BB7D47 for ; Fri, 21 May 2010 00:26:23 +1000 (EST) Received: from d01relay06.pok.ibm.com (d01relay06.pok.ibm.com [9.56.227.116]) by e8.ny.us.ibm.com (8.14.3/8.13.1) with ESMTP id o4KEFi8G010014 for ; Thu, 20 May 2010 10:15:44 -0400 Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay06.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o4KEQGov2224142 for ; Thu, 20 May 2010 10:26:16 -0400 Received: from d01av01.pok.ibm.com (loopback [127.0.0.1]) by d01av01.pok.ibm.com (8.14.3/8.13.1/NCO v10.0 AVout) with ESMTP id o4KEQFZe021814 for ; Thu, 20 May 2010 10:26:16 -0400 Message-ID: <4BF54689.7090106@us.ibm.com> Date: Thu, 20 May 2010 07:26:17 -0700 From: Nivedita Singhvi MIME-Version: 1.0 To: Thomas Gleixner Subject: Re: [PATCH RT] ehea: make receive irq handler non-threaded (IRQF_NODELAY) References: <4BF30793.5070300@us.ibm.com> <4BF30C32.1020403@linux.vnet.ibm.com> <4BF31322.5090206@us.ibm.com> <1274232324.29980.9.camel@concordia> <4BF3F2DB.7030701@us.ibm.com> <1274319248.22892.40.camel@concordia> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: Darren Hart , Jan-Bernd Themann , dvhltc@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, Will Schmidt , Brian King , niv@linux.vnet.ibm.com, Doug Maxey , linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Thomas Gleixner wrote: >> Pleaes check if multiple queues are enabled. The following module parameter >> is used for that: >> >> MODULE_PARM_DESC(use_mcs, " 0:NAPI, 1:Multiple receive queues, Default = 0 >> "); >> >> you should also see the number of used HEA interrupts in /proc/interrupts > > I leave that for Will and Darren, they have the hardware :) 16: 477477 ... XICS Level IPI 17: 129 ... XICS Level hvc_console 18: 0 ... XICS Level RAS_EPOW 33: 139232 ... XICS Level mlx4_core 256: 3 ... XICS Level ehea_neq 259: 0 ... XICS Level eth0-aff 260: 2082153 ... XICS Level eth0-queue0 289: 119166 ... XICS Level ipr 305: 0 ... XICS Level ohci_hcd:usb2 306: 0 ... XICS Level ohci_hcd:usb3 307: 2389839 ... XICS Level ehci_hcd:usb1 Nope, multiple rx queues not enabled. thanks, Nivedita