tree 877e35686a93c7430b9574a3e8d083f0cbe51659
parent 808382b33bb4c60df6379ec2db39f332cc56b82a
author Peter Zijlstra <a.p.zijlstra@chello.nl> 1239195689 +0200
committer Ingo Molnar <mingo@elte.hu> 1239209609 +0200

perf_counter: add some comments

Add a few comments because I was forgetting what field what for what
functionality.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
LKML-Reference: <20090408130409.036984214@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>