linux-kernel - Re: [PATCH V3] perf tools: Record whether a dso has data

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Date:	Tue, 22 Jul 2014 09:55:15 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Adrian Hunter <adrian.hunter@...el.com>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Stephane Eranian <eranian@...gle.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH V3] perf tools: Record whether a dso has data

On Thu, Jul 17, 2014 at 11:58:30AM +0300, Adrian Hunter wrote:
> Add 'data_status' to record whether a dso has data
> (i.e. an object file)

I might have seen it in your last patsent, but forgot.. what is
this data_status going to be used for?

SNIP

> diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
> index c239e86..07d0a58 100644
> --- a/tools/perf/util/dso.h
> +++ b/tools/perf/util/dso.h
> @@ -40,6 +40,12 @@ enum dso_swap_type {
>  	DSO_SWAP__YES,
>  };
>  
> +enum dso_data_status {
> +	DSO_DATA_STATUS_ERROR	= -1,
> +	DSO_DATA_STATUS_UNKNOWN	= 0,
> +	DSO_DATA_STATUS_OK	= 1,
> +};
> +
>  #define DSO__SWAP(dso, type, val)			\
>  ({							\
>  	type ____r = val;				\
> @@ -104,6 +110,7 @@ struct dso {
>  	struct {
>  		struct rb_root	 cache;
>  		int		 fd;
> +		int		 data_status;

also please call it just 'status' it's already in 'data' struct

thanks,
jirka
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