From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?iso-8859-1?Q?M=E5ns_Rullg=E5rd?= Subject: Re: OMAP4: IRQ line of CortexA9 performance monitor Date: Mon, 21 Feb 2011 17:18:57 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from lo.gmane.org ([80.91.229.12]:45640 "EHLO lo.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755010Ab1BURTR (ORCPT ); Mon, 21 Feb 2011 12:19:17 -0500 Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1PrZPl-0007Mr-Jv for linux-omap@vger.kernel.org; Mon, 21 Feb 2011 18:19:13 +0100 Received: from unicorn.mansr.com ([78.86.181.103]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 21 Feb 2011 18:19:13 +0100 Received: from mans by unicorn.mansr.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 21 Feb 2011 18:19:13 +0100 Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: linux-omap@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Ming Lei writes: > Hi, > > From chapter 17 of "Interrupt controller", OMAP4 TRM, I can't > find what is the interrupt line of CortexA9 performance monitor > in omap4. Seems without this information, we can't use perf on > omap4. > > Any suggestions or ideas about it? The PMU interrupt is routed through the CTI, which needs to be properly configured. Unfortunately, the CTI is not documented in the public TRM= , and nobody has seen fit to submit a patch suitable for upstream. Some dirty hacks have been posted, though. --=20 M=E5ns Rullg=E5rd mans@mansr.com -- To unsubscribe from this list: send the line "unsubscribe linux-omap" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html