[PATCH] perf: Power7: Make CPI stack events available in sysfs
Paul Mackerras
paulus at samba.org
Thu May 23 08:23:57 EST 2013
On Sat, Apr 06, 2013 at 09:48:03AM -0700, Sukadev Bhattiprolu wrote:
> >From bdeacf7175241f6c79b5b2be0fa6b20b0d0b7d1c Mon Sep 17 00:00:00 2001
> From: Sukadev Bhattiprolu <sukadev at linux.vnet.ibm.com>
> Date: Sat, 6 Apr 2013 08:48:26 -0700
> Subject: [PATCH] perf: Power7: Make CPI stack events available in sysfs
>
> A set of Power7 events are often used for Cycles Per Instruction (CPI) stack
> analysis. Make these events available in sysfs (/sys/devices/cpu/events/) so
> they can be identified using their symbolic names:
>
> perf stat -e 'cpu/PM_CMPLU_STALL_DCACHE_MISS/' /bin/ls
>
> Signed-off-by: Sukadev Bhattiprolu <sukadev at linux.vnet.ibm.com>
Acked-by: Paul Mackerras <paulus at samba.org>
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