linux-kernel - Re: [PATCH 06/21] perf tools: Update cpumode for each cumulative entry

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Message-ID: <20140105170219.GF10018@krava.brq.redhat.com>
Date:	Sun, 5 Jan 2014 18:02:19 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Arun Sharma <asharma@...com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Rodrigo Campos <rodrigo@...g.com.ar>
Subject: Re: [PATCH 06/21] perf tools: Update cpumode for each cumulative
 entry

On Tue, Dec 24, 2013 at 05:22:12PM +0900, Namhyung Kim wrote:
> From: Namhyung Kim <namhyung.kim@....com>
> 
> The cpumode and level in struct addr_localtion was set for a sample
> and but updated as cumulative callchains were added.  This led to have
> non-matching symbol and cpumode in the output.
> 
> Update it accordingly based on the fact whether the map is a part of
> the kernel or not.  This is a reverse of what thread__find_addr_map()
> does.
> 
> Cc: Arun Sharma <asharma@...com>
> Cc: Frederic Weisbecker <fweisbec@...il.com>
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>
> ---
>  tools/perf/builtin-report.c | 34 +++++++++++++++++++++++++++++++---
>  1 file changed, 31 insertions(+), 3 deletions(-)
> 
> diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
> index 4fde0ab82498..17c41c686042 100644
> --- a/tools/perf/builtin-report.c
> +++ b/tools/perf/builtin-report.c
> @@ -100,6 +100,7 @@ struct add_entry_iter {
>  	struct report *rep;
>  	struct perf_evsel *evsel;
>  	struct perf_sample *sample;
> +	struct machine *machine;
>  	struct hist_entry *he;
>  	struct symbol *parent;
>  	void *priv;
> @@ -362,7 +363,7 @@ iter_finish_normal_entry(struct add_entry_iter *iter, struct addr_location *al)
>  
>  static int
>  iter_prepare_cumulative_entry(struct add_entry_iter *iter,
> -			      struct machine *machine __maybe_unused,
> +			      struct machine *machine,
>  			      struct perf_evsel *evsel,
>  			      struct addr_location *al __maybe_unused,
>  			      struct perf_sample *sample)
> @@ -371,6 +372,7 @@ iter_prepare_cumulative_entry(struct add_entry_iter *iter,
>  
>  	iter->evsel = evsel;
>  	iter->sample = sample;
> +	iter->machine = machine;

machine is already in 'al->machine'

jirka
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