tree efdccca4b54282bcc941fce5206778d6b0f8e49d
parent 43a21ea81a2400992561146327c4785ce7f7be38
author Peter Zijlstra <a.p.zijlstra@chello.nl> 1245318028 +0200
committer Ingo Molnar <mingo@elte.hu> 1245329171 +0200

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>