From mboxrd@z Thu Jan 1 00:00:00 1970 From: will.deacon@arm.com (Will Deacon) Date: Fri, 11 May 2012 16:02:23 +0100 Subject: oprofile and ARM A9 hardware counter In-Reply-To: <4FAD27CB.5060102@ti.com> References: <4FAA4DB9.8060504@ti.com> <4FAAB1A3.9040806@ti.com> <4FAAC549.6010206@ti.com> <4FAAE564.6040708@ti.com> <20120510084422.GB27276@mudshark.cambridge.arm.com> <4FAC0F05.3060803@ti.com> <20120511122547.GE17453@mudshark.cambridge.arm.com> <4FAD1865.70003@ti.com> <20120511134920.GC2626@mudshark.cambridge.arm.com> <4FAD27CB.5060102@ti.com> Message-ID: <20120511150223.GD2626@mudshark.cambridge.arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, May 11, 2012 at 03:52:59PM +0100, Jon Hunter wrote: > Hi Will, Hello, > On 05/11/2012 08:49 AM, Will Deacon wrote: > > I enabled OMAP3 debug peripherals, so I selected CPU_HAS_PMU that way. > > I tried the same (make omap2plus_defconfig and enabled the above > option), and I do see the interrupts firing on both 4430 and 4460... > > / # cat /proc/interrupts > CPU0 CPU1 > 29: 1023 404 GIC twd > 33: 401 0 GIC arm-pmu > 34: 0 441 GIC arm-pmu Well, at least it's working for somebody! > What is your kernel commit ID that you applied the patches on top of? 7cf543bc ("Linux-omap rebuilt: Updated to -rc6, merged in pending branches, please test"). Is there something else I need too? > What board are you using? Blaze, panda, etc, and is it 4430 or 4460? Ye olde Panda 4430. It does work with my perf/omap4 branch though using the same .config (I can mail it to you separately if you want). Cheers, Will