linux-kernel - Re: [PATCH v2.1] perf hist: Save raw

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Message-ID: <20151217122201.GJ19926@kernel.org>
Date:	Thu, 17 Dec 2015 09:22:01 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Jiri Olsa <jolsa@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Andi Kleen <andi@...stfloor.org>,
	Wang Nan <wangnan0@...wei.com>
Subject: Re: [PATCH v2.1] perf hist: Save raw_data/size for tracepoint events

Em Thu, Dec 17, 2015 at 05:14:25PM +0900, Namhyung Kim escreveu:
> The raw_data and raw_size fields are to provide tracepoint specific
> information.  They will be used by dynamic sort keys later.
> 
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>

Ok, I'll update this in my local branch and test.

- Arnaldo

> ---
> Fix segfault when --children is used.
> 
>  tools/perf/util/hist.c | 4 ++++
>  tools/perf/util/sort.h | 2 ++
>  2 files changed, 6 insertions(+)
> 
> diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
> index 039bb91d0a92..c0c92a3daa69 100644
> --- a/tools/perf/util/hist.c
> +++ b/tools/perf/util/hist.c
> @@ -487,6 +487,8 @@ struct hist_entry *__hists__add_entry(struct hists *hists,
>  		.branch_info = bi,
>  		.mem_info = mi,
>  		.transaction = sample->transaction,
> +		.raw_data = sample->raw_data,
> +		.raw_size = sample->raw_size,
>  	};
>  
>  	return hists__findnew_entry(hists, &entry, al, sample_self);
> @@ -801,6 +803,8 @@ iter_add_next_cumulative_entry(struct hist_entry_iter *iter,
>  			.sym = al->sym,
>  		},
>  		.parent = iter->parent,
> +		.raw_data = sample->raw_data,
> +		.raw_size = sample->raw_size,
>  	};
>  	int i;
>  	struct callchain_cursor cursor;
> diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
> index 86f05e7a5566..d29898708dbd 100644
> --- a/tools/perf/util/sort.h
> +++ b/tools/perf/util/sort.h
> @@ -122,6 +122,8 @@ struct hist_entry {
>  	struct branch_info	*branch_info;
>  	struct hists		*hists;
>  	struct mem_info		*mem_info;
> +	void			*raw_data;
> +	u32			raw_size;
>  	struct callchain_root	callchain[0]; /* must be last member */
>  };
>  
> -- 
> 2.6.2
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