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

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Message-Id: <1408501874-244377-1-git-send-email-dzickus@redhat.com>
Date:	Tue, 19 Aug 2014 22:31:14 -0400
From:	Don Zickus <dzickus@...hat.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Jiri Olsa <jolsa@...hat.com>
Cc:	eranian@...gle.com, LKML <linux-kernel@...r.kernel.org>,
	Don Zickus <dzickus@...hat.com>, Joe Mario <jmario@...hat.com>
Subject: [PATCH] perf, map:  Don't try to find DSOs in SYSV maps

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.

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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