Merge "Simpleperf: don\'t use ioctl(PERF_EVENT_IOC_ENABLE)." am: b9ca50b319 am: 58736022de
am: 3394e9a61a

* commit '3394e9a61aa65ee7a2e17fe601a9ddd50fe8b0f7':
  Simpleperf: don't use ioctl(PERF_EVENT_IOC_ENABLE).