linux-kernel - Re: [PATCH] perf, map: Don't try to find DSOs in SYSV maps

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Message-ID: <20140820112549.GB2892@kernel.org>
Date:	Wed, 20 Aug 2014 08:25:49 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Don Zickus <dzickus@...hat.com>
Cc:	Jiri Olsa <jolsa@...hat.com>, eranian@...gle.com,
	LKML <linux-kernel@...r.kernel.org>,
	Joe Mario <jmario@...hat.com>
Subject: Re: [PATCH] perf, map:  Don't try to find DSOs in SYSV maps

Em Tue, Aug 19, 2014 at 10:31:14PM -0400, Don Zickus escreveu:
> We are seeing a lot of the following with regards to SYSV memory
> 
> Failed to open /SYSV0000279c, continuing without symbols
> 
> We don't believe this memory will have DSO info, so treat it like the heap and
> stack for now and skip it to prevent the warning.

Thanks, applied.
 
> Signed-off-by: Joe Mario <jmario@...hat.com>
> Signed-off-by: Don Zickus <dzickus@...hat.com>
> --
> I am open to suggetions for a different fix - dcz
> ---
>  tools/perf/util/map.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
> index 25c571f..0294f40 100644
> --- a/tools/perf/util/map.c
> +++ b/tools/perf/util/map.c
> @@ -29,6 +29,7 @@ static inline int is_anon_memory(const char *filename)
>  static inline int is_no_dso_memory(const char *filename)
>  {
>  	return !strncmp(filename, "[stack", 6) ||
> +	       !strncmp(filename, "/SYSV",5)   ||
>  	       !strcmp(filename, "[heap]");
>  }
>  
> -- 
> 1.7.1
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