linux-kernel - Re: [PATCH v6 25/25] perf top: Add --hierarchy option

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Date:	Sun, 21 Feb 2016 00:19:29 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Jiri Olsa <jolsa@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Andi Kleen <andi@...stfloor.org>,
	Stephane Eranian <eranian@...gle.com>,
	Wang Nan <wangnan0@...wei.com>
Subject: Re: [PATCH v6 25/25] perf top: Add --hierarchy option

On Tue, Feb 16, 2016 at 11:08:43PM +0900, Namhyung Kim wrote:
> Support hierarchy output for perf-top using --hierarchy option.
> 
> Acked-by: Pekka Enberg <penberg@...nel.org>
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>
> ---
>  tools/perf/Documentation/perf-top.txt |  3 +++
>  tools/perf/builtin-top.c              | 15 +++++++++++++++
>  2 files changed, 18 insertions(+)
> 
> diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
> index b0e60e17db38..19f046f027cd 100644
> --- a/tools/perf/Documentation/perf-top.txt
> +++ b/tools/perf/Documentation/perf-top.txt
> @@ -233,6 +233,9 @@ Default is to monitor all CPUS.
>  --raw-trace::
>  	When displaying traceevent output, do not use print fmt or plugins.
>  
> +--hierarchy::
> +	Enable hierarchy output.
> +
>  INTERACTIVE PROMPTING KEYS
>  --------------------------
>  
> diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
> index a75de3940b97..b86b623e8799 100644
> --- a/tools/perf/builtin-top.c
> +++ b/tools/perf/builtin-top.c
> @@ -1214,6 +1214,8 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused)
>  		     parse_branch_stack),
>  	OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace,
>  		    "Show raw trace event output (do not use print fmt or plugins)"),
> +	OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy,
> +		    "Show entries in a hierarchy"),

hum, I'm not getting --children (default) output with hierarchy?

I can't see this was intentional.. haven't found the reason yet

thanks,
jirka