perf_counter tools: when no command is feed to perfstat, display help and exit

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Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Wu Fengguang 2009-03-20 10:08:10 +08:00 • committed by Ingo Molnar

parent dda7c02f33

commit af9522cf13

1 changed files with 3 additions and 0 deletions

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Documentation/perf_counter/kerneltop.c

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