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From: Breno Leitao <leitao@debian.org>
To: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@kernel.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	leit@meta.com,
	"open list:PERFORMANCE EVENTS SUBSYSTEM"
	<linux-perf-users@vger.kernel.org>,
	"open list:PERFORMANCE EVENTS SUBSYSTEM"
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3] perf list: Fix the --no-desc option
Date: Fri, 17 May 2024 07:06:29 -0700	[thread overview]
Message-ID: <ZkdkZfdj4IewIns4@gmail.com> (raw)
In-Reply-To: <CAP-5=fUaUGJ-09N-u39YyZgJOnj_WE91-hUc8dv+tf7ozA3K2Q@mail.gmail.com>

On Thu, May 16, 2024 at 01:15:23PM -0700, Ian Rogers wrote:
> On Thu, May 16, 2024 at 6:18 AM Breno Leitao <leitao@debian.org> wrote:
> >
> > Currently, the --no-desc option in perf list isn't functioning as
> > intended.
> >
> > This issue arises from the overwriting of struct option->desc with the
> > opposite value of struct option->long_desc. Consequently, whatever
> > parse_options() returns at struct option->desc gets overridden later,
> > rendering the --desc or --no-desc arguments ineffective.
> >
> > To resolve this, set ->desc as true by default and allow parse_options()
> > to adjust it accordingly. This adjustment will fix the --no-desc
> > option while preserving the functionality of the other parameters.
> >
> > Signed-off-by: Breno Leitao <leitao@debian.org>
> > ---
> > Changelog:
> >
> > v3:
> >         * Applied the same logic to default_print_metric() and
> >           json_print_event() functions, as identified by Ian Rogers.
> 
> I don't think we should change the json behavior. We're generating a
> dictionary and the consumer of the dictionary isn't obligated to read
> all of it. I tested the non-json output and it all looks good.

Thanks. Let me remove the json part then, and send a new version.

      reply	other threads:[~2024-05-17 14:07 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-16 13:15 [PATCH v3] perf list: Fix the --no-desc option Breno Leitao
2024-05-16 20:15 ` Ian Rogers
2024-05-17 14:06   ` Breno Leitao [this message]

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