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

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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 <alexander.shishkin@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: acme@infradead.org
Cc: adrian.hunter@intel.com
Cc: hpa@zytor.com
Link: http://lkml.kernel.org/r/1437140050-23363-4-git-send-email-alexander.shishkin@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Alexander Shishkin 2015-07-17 16:34:10 +03:00 committed by Ingo Molnar
parent 21adf76e90
commit d249872939
1 changed files with 1 additions and 0 deletions
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arch/x86/kernel/cpu/perf_event_intel_bts.c
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@ -222,6 +222,7 @@ static void __bts_event_start(struct perf_event *event)
if (!buf || bts_buffer_is_full(buf, bts))
return;
event->hw.itrace_started = 1;
event->hw.state = 0;
if (!buf->snapshot)