• Sukadev Bhattiprolu's avatar
    perf/POWER7: Make generic event translations available in sysfs · 1c53a270
    Sukadev Bhattiprolu authored
    Make the generic perf events in POWER7 available via sysfs.
    
    	$ ls /sys/bus/event_source/devices/cpu/events
    	branch-instructions
    	branch-misses
    	cache-misses
    	cache-references
    	cpu-cycles
    	instructions
    	stalled-cycles-backend
    	stalled-cycles-frontend
    
    	$ cat /sys/bus/event_source/devices/cpu/events/cache-misses
    	event=0x400f0
    
    This patch is based on commits that implement this functionality on x86.
    Eg:
    	commit a4747393
    	Author: Jiri Olsa <jolsa@redhat.com>
    	Date:   Wed Oct 10 14:53:11 2012 +0200
    
    	    perf/x86: Make hardware event translations available in sysfs
    
    Changelog:[v2]
    	[Jiri Osla] Drop EVENT_ID() macro since it is only used once.
    Signed-off-by: default avatarSukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
    Cc: Andi Kleen <ak@linux.intel.com>
    Cc: Anton Blanchard <anton@au1.ibm.com>
    Cc: Ingo Molnar <mingo@redhat.com>
    Cc: Jiri Olsa <jolsa@redhat.com>
    Cc: Paul Mackerras <paulus@samba.org>
    Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
    Cc: Robert Richter <robert.richter@amd.com>
    Cc: Stephane Eranian <eranian@google.com>
    Cc: linuxppc-dev@ozlabs.org
    Link: http://lkml.kernel.org/r/20130123062454.GD13720@us.ibm.comSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
    1c53a270
power7-pmu.c 11.2 KB