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Date: Wed, 17 Dec 2025 09:37:51 -0300
From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ian Rogers <irogers@google.com>
Cc: Namhyung Kim <namhyung@kernel.org>,
	James Clark <james.clark@linaro.org>, Jiri Olsa <jolsa@kernel.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
	linux-perf-users@vger.kernel.org
Subject: Re: [PATCH 1/4] perf record: Split --data-mmap option
Message-ID: <aUKkH82uDY3c0dkB@x1>
References: <20251210023327.1669863-1-namhyung@kernel.org>
 <CAP-5=fXsrKvKAtAW3b-OzAdzg00hW-py-9eMvCxoY3Vs4p+7iw@mail.gmail.com>
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In-Reply-To: <CAP-5=fXsrKvKAtAW3b-OzAdzg00hW-py-9eMvCxoY3Vs4p+7iw@mail.gmail.com>

On Wed, Dec 10, 2025 at 02:05:23PM -0800, Ian Rogers wrote:
> On Tue, Dec 9, 2025 at 6:33 PM Namhyung Kim <namhyung@kernel.org> wrote:
> >
> > Currently -d/--data option controls both PERF_SAMPLE_ADDR bit and
> > perf_event_attr.mmap_data flag.  Separate them using new --data-mmap
> > option to support recording only one of them.
> >
> > For data-type profiling, data MMAP is unnecessary but it wastes a lot
> > of space in the ring buffer and data file.
> >
> > Signed-off-by: Namhyung Kim <namhyung@kernel.org>
> 
> Reviewed-by: Ian Rogers <irogers@google.com>

Tested the series and applied to perf-tools-next (6.20),

Thanks,

- Arnaldo