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Date: Tue, 1 Feb 2022 20:47:49 -0800
From: Namhyung Kim <namhyung@...nel.org>
To: Changbin Du <changbin.du@...il.com>
Cc: Arnaldo Carvalho de Melo <acme@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>, Jiri Olsa <jolsa@...hat.com>,
linux-perf-users <linux-perf-users@...r.kernel.org>,
linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] perf/ftrace: system_wide collection is not effective
by default
Hello,
On Thu, Jan 27, 2022 at 5:20 AM Changbin Du <changbin.du@...il.com> wrote:
>
> The ftrace.target.system_wide must be set before invoking
> evlist__create_maps(), otherwise it has no effect.
>
> Fixes: 53be50282269 ("perf ftrace: Add 'latency' subcommand")
> Signed-off-by: Changbin Du <changbin.du@...il.com>
Acked-by: Namhyung Kim <namhyung@...il.com>
Thanks,
Namhyung
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