From: Namhyung Kim <namhyung@kernel.org>
To: Changbin Du <changbin.du@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>, Jiri Olsa <jolsa@redhat.com>,
linux-perf-users <linux-perf-users@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] perf/ftrace: system_wide collection is not effective by default
Date: Tue, 1 Feb 2022 20:47:49 -0800 [thread overview]
Message-ID: <CAM9d7cgPhL9roWuJ=ktKRCGQTM824JEvi+Ar5mibCnK9LWku6A@mail.gmail.com> (raw)
In-Reply-To: <20220127132010.4836-1-changbin.du@gmail.com>
Hello,
On Thu, Jan 27, 2022 at 5:20 AM Changbin Du <changbin.du@gmail.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@gmail.com>
Acked-by: Namhyung Kim <namhyung@gmail.com>
Thanks,
Namhyung
next prev parent reply other threads:[~2022-02-02 4:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-27 13:20 [PATCH v2] perf/ftrace: system_wide collection is not effective by default Changbin Du
2022-02-02 4:47 ` Namhyung Kim [this message]
2022-02-06 12:20 ` Arnaldo Carvalho de Melo
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