Em Thu, Apr 09, 2015 at 06:53:58PM +0300, Adrian Hunter escreveu:
> +++ b/tools/perf/Documentation/perf-report.txt
> @@ -323,6 +323,34 @@ OPTIONS
> --header-only::
> Show only perf.data header (forces --stdio).
>
> +-Z::
> +--itrace::
> + Options for decoding AUX area tracing data. The options are:
<SNIP>
> "how to display percentage of filtered entries",
> parse_filter_percentage),
> + OPT_CALLBACK_OPTARG('Z', "itrace", &itrace_synth_opts, NULL, "opts",
> + "Instruction Tracing options",
> + itrace_parse_synth_opts),
I am also making this be
+ OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
I.e. single letter options should be used for something more
mainstrean/frequently used, and we can also shorten it, so far, to --it:
[acme@ssdandy linux]$ perf script --i
Error: Ambiguous option: i (could be --input or --itrace)
usage: perf script [<options>]
or: perf script [<options>] record <script> [<record-options>] <command>
or: perf script [<options>] report <script> [script-args]
or: perf script [<options>] <script> [<record-options>] <command>
or: perf script [<options>] <top-script> [script-args]
[acme@ssdandy linux]$ perf script --it
failed to open perf.data: Permission denied
- Arnaldo
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