From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@arm.linux.org.uk (Russell King - ARM Linux) Date: Wed, 20 Jan 2010 13:55:53 +0000 Subject: [PATCH/RFC v1 0/2] Human readable performance event description in sysfs In-Reply-To: <1263994779.4283.1057.camel@laptop> References: <1263978706-15499-1-git-send-email-t.fujak@samsung.com> <1263978999.4283.823.camel@laptop> <20100120133145.GE4089@wear.picochip.com> <1263994779.4283.1057.camel@laptop> Message-ID: <20100120135553.GA22897@n2100.arm.linux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Jan 20, 2010 at 02:39:39PM +0100, Peter Zijlstra wrote: > Furthermore, /proc/cpuinfo should be enough information to come up with > an arch specific set of events to be translated into raw. Unfortunately, it isn't. CPU identification has become a fairly murky business on ARM that the information exported from /proc/cpuinfo can no longer precisely identify the CPU itself. For example, we just treat Cortex A8 and A9 as "ARMv7" because from the kernel's point of view, they're the same.