Deng-Cheng Zhu reported that sibling events that were created disabled
with enable_on_exec would never get enabled. Iterate all events
instead of the group lists.
Reported-by: NDeng-Cheng Zhu <dczhu@mips.com>
Tested-by: NDeng-Cheng Zhu <dczhu@mips.com>
Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1322048382.14799.41.camel@twinsSigned-off-by: NIngo Molnar <mingo@elte.hu>