tree 3d85c33a07ead1e8c90a1628897b2d775068aee8
parent 7f223030ffe1a24600b09f52f17209f42dc0dcc0
author Than McIntosh <thanm@google.com> 1429297843 -0400
committer Than McIntosh <thanm@google.com> 1429734084 -0400

Second round of changes to 'perf' profile collection daemon.

Details:
- avoid use of system() in favor of fork/exec.
- add option to selectively disable/enable mpdecision service around perf
  collection runs to improve profile quality and avoid kernel pmuevents issues.
- default to using 'simpleperf' instead of 'perf'

Change-Id: I27928d8bb647fd852ec944158ebfd8efa38c01b4