linux-kernel - Re: [PATCH] perf lock: subcommands should include common options

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Date:   Fri, 17 Mar 2017 23:09:59 +0800
From:   "Du, Changbin" <changbin.du@...el.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     changbin.du@...el.com, peterz@...radead.org, mingo@...hat.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf lock: subcommands should include common options

On Fri, Mar 17, 2017 at 11:08:34AM -0300, Arnaldo Carvalho de Melo wrote:
> Em Fri, Mar 17, 2017 at 01:53:42PM +0800, changbin.du@...el.com escreveu:
> > From: Changbin Du <changbin.du@...el.com>
> > 
> > When I use -i option for report subcommand, it doesn't accept it.
> > We need add common options using OPT_PARENT macro.
> > 
> > perf lock report -i lock_perf.data
> >   Error: unknown switch `i'
> > 
> >   Usage: perf lock report [<options>]
> > 
> >     -f, --force           don't complain, do it
> >     -k, --key <acquired>  key for sorting ...
> > 
> > Signed-off-by: Changbin Du <changbin.du@...el.com>
> > ---
> >  tools/perf/builtin-lock.c | 19 +++++++++++--------
> >  1 file changed, 11 insertions(+), 8 deletions(-)
> > 
> > diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
> > index ce3bfb4..710c551 100644
> > --- a/tools/perf/builtin-lock.c
> > +++ b/tools/perf/builtin-lock.c
> > @@ -947,27 +947,30 @@ static int __cmd_record(int argc, const char **argv)
> >  
> >  int cmd_lock(int argc, const char **argv, const char *prefix __maybe_unused)
> >  {
> > +	const struct option lock_options[] = {
> > +	OPT_STRING('i', "input", &input_name, "file", "input file name"),
> > +	OPT_INCR('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"),
> > +	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, "dump raw trace in ASCII"),
> > +	OPT_END()
> > +	};
> > +
> >  	const struct option info_options[] = {
> >  	OPT_BOOLEAN('t', "threads", &info_threads,
> >  		    "dump thread list in perf.data"),
> >  	OPT_BOOLEAN('m', "map", &info_map,
> >  		    "map of lock instances (address:name table)"),
> >  	OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
> 
> Good catch, OPT_PARENT came after 'perf lock', but you forgot 'f', I'm
> adding it and renaming 'lock_options' to 'lock_input_options', ok?
>
I am okay, just go ahead. thanks.

-- 
Thanks,
Changbin Du

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