[PATCH] perf: Power7: Make CPI stack events available in sysfs

Sukadev Bhattiprolu sukadev at linux.vnet.ibm.com
Tue Apr 23 01:55:05 EST 2013


Michael Ellerman [michael at ellerman.id.au] wrote:
| 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
| 
| Should we take these two via the powerpc tree? Or do you want to take
| them Arnaldo?

I think it can go through powerpc tree since it is all arch-specific.

Sukadev



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