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perf_counter tools: Handle lost events
Make use of the new ->data_tail mechanism to tell kernel-space about user-space draining the data stream. Emit lost events (and display them) if they happen. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Peter Zijlstra
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Ingo Molnar
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Jun 18, 2009
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