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perf_counter tools: Document '--' option parsing terminator
Signed-off-by: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -9,6 +9,7 @@ SYNOPSIS
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--------
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[verse]
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'perf record' [-e <EVENT> | --event=EVENT] [-l] [-a] <command>
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'perf record' [-e <EVENT> | --event=EVENT] [-l] [-a] -- <command> [<options>]
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DESCRIPTION
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-----------
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@ -9,6 +9,7 @@ SYNOPSIS
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--------
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[verse]
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'perf stat' [-e <EVENT> | --event=EVENT] [-l] [-a] <command>
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'perf stat' [-e <EVENT> | --event=EVENT] [-l] [-a] -- <command> [<options>]
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DESCRIPTION
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-----------
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@ -397,7 +397,8 @@ static int __cmd_record(int argc, const char **argv)
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}
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static const char * const record_usage[] = {
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"perf record [<options>] <command>",
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"perf record [<options>] [<command>]",
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"perf record [<options>] -- <command> [<options>]",
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NULL
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};
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@ -212,6 +212,7 @@ static void skip_signal(int signo)
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static const char * const stat_usage[] = {
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"perf stat [<options>] <command>",
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"perf stat [<options>] -- <command> [<options>]",
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NULL
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};
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