perf/x86/intel/bts: Set event->hw.itrace_started in pmu::start to match the new logic
perf/x86/intel/bts: Set event->hw.itrace_started in pmu::start to match the new logic

Since event->hw.itrace_started is now set in pmu::start() to signal the beginning of
the trace, do so also in the intel_bts driver.

Signed-off-by: Alexander Shishkin <0125b3d2989cefbb754a245b989e89659aa67db8@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <3fddac958924aef220f202ca567388ddab3f14a8@infradead.org>
Cc: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>
Cc: Peter Zijlstra <3fddac958924aef220f202ca567388ddab3f14a8@infradead.org>
Cc: Thomas Gleixner <00e4cf8f46a57000a44449bf9dd8cbbcc209fd2a@linutronix.de>
Cc: 293abb6b76d7791c0732cc517d38c4b5c734b87f@infradead.org
Cc: 41bb5944f244750b7cf0394140496972a3f1bee3@intel.com
Cc: 8a453bad9912ffe59bc0f0b8abe03df9be19379e@zytor.com
Link: http://lkml.kernel.org/r/1437140050-23363-4-git-send-email-0125b3d2989cefbb754a245b989e89659aa67db8@linux.intel.com
Signed-off-by: Ingo Molnar <9dbbbf0688fedc85ad4da37637f1a64b8c718ee2@kernel.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs