From: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>, LKML <linux-kernel@vger.kernel.org>,
Krister Johansen <kjlx@templeofstupid.com>,
Hari Bathini <hbathini@linux.vnet.ibm.com>
Subject: Re: [PATCH 3/3] perf top: Enable --namespaces option
Date: Wed, 22 May 2019 10:24:24 -0300 [thread overview]
Message-ID: <20190522132424.GD30271@kernel.org> (raw)
In-Reply-To: <20190522053250.207156-4-namhyung@kernel.org>
Em Wed, May 22, 2019 at 02:32:50PM +0900, Namhyung Kim escreveu:
> Since perf record already have the option, let's have it for perf top
> as well.
I'm applying, but I wonder if this shouldn't be the default...
- Arnaldo
> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
> ---
> tools/perf/Documentation/perf-top.txt | 5 +++++
> tools/perf/builtin-top.c | 5 +++++
> 2 files changed, 10 insertions(+)
>
> diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
> index 44d89fb9c788..cfea87c6f38e 100644
> --- a/tools/perf/Documentation/perf-top.txt
> +++ b/tools/perf/Documentation/perf-top.txt
> @@ -262,6 +262,11 @@ Default is to monitor all CPUS.
> The number of threads to run when synthesizing events for existing processes.
> By default, the number of threads equals to the number of online CPUs.
>
> +--namespaces::
> + Record events of type PERF_RECORD_NAMESPACES and display it with the
> + 'cgroup_id' sort key.
> +
> +
> INTERACTIVE PROMPTING KEYS
> --------------------------
>
> diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
> index 3648ef576996..6651377fd762 100644
> --- a/tools/perf/builtin-top.c
> +++ b/tools/perf/builtin-top.c
> @@ -1208,6 +1208,9 @@ static int __cmd_top(struct perf_top *top)
>
> init_process_thread(top);
>
> + if (opts->record_namespaces)
> + top->tool.namespace_events = true;
> +
> ret = perf_event__synthesize_bpf_events(top->session, perf_event__process,
> &top->session->machines.host,
> &top->record_opts);
> @@ -1500,6 +1503,8 @@ int cmd_top(int argc, const char **argv)
> OPT_BOOLEAN(0, "force", &symbol_conf.force, "don't complain, do it"),
> OPT_UINTEGER(0, "num-thread-synthesize", &top.nr_threads_synthesize,
> "number of thread to run event synthesize"),
> + OPT_BOOLEAN(0, "namespaces", &opts->record_namespaces,
> + "Record namespaces events"),
> OPT_END()
> };
> struct perf_evlist *sb_evlist = NULL;
> --
> 2.21.0.1020.gf2820cf01a-goog
--
- Arnaldo
next prev parent reply other threads:[~2019-05-22 13:25 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-22 5:32 [PATCH 0/3] perf tools: Assorted fixes and cleanups for namespace events Namhyung Kim
2019-05-22 5:32 ` [PATCH 1/3] perf tools: Protect reading thread's namespace Namhyung Kim
2019-05-22 13:18 ` Arnaldo Carvalho de Melo
2019-05-23 2:36 ` Namhyung Kim
2019-05-27 6:11 ` [PATCH 4/3] perf tools: Remove const from thread read accessors Namhyung Kim
2019-05-27 14:15 ` Arnaldo Carvalho de Melo
2019-05-30 8:07 ` [tip:perf/core] " tip-bot for Namhyung Kim
2019-05-28 21:27 ` [tip:perf/urgent] perf namespace: Protect reading thread's namespace tip-bot for Namhyung Kim
2019-05-22 5:32 ` [PATCH 2/3] perf tools: Add missing swap ops for namespace events Namhyung Kim
2019-05-22 13:23 ` Arnaldo Carvalho de Melo
2019-05-28 21:28 ` [tip:perf/urgent] perf session: " tip-bot for Namhyung Kim
2019-05-22 5:32 ` [PATCH 3/3] perf top: Enable --namespaces option Namhyung Kim
2019-05-22 13:24 ` Arnaldo Carvalho de Melo [this message]
2019-05-23 2:42 ` Namhyung Kim
2019-05-30 8:06 ` [tip:perf/core] perf top: Add " tip-bot for Namhyung Kim
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