linux/debian/patches/perf-tools-fix-reading-of-b...

27 lines
1.0 KiB
Diff

From: Ben Hutchings <ben@decadent.org.uk>
Date: Wed, 13 Jan 2016 15:16:30 +0000
Subject: perf tools: Fix reading of build-id from vDSO
Forwarded: http://mid.gmane.org/20160113172301.GT28542@decadent.org.uk
We need to use the long name (the filename) when reading the build-id
from a DSO. Using the short name doesn't work for (at least) vDSOs.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
tools/perf/util/symbol.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index cd08027..b60bc49 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1465,7 +1465,7 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter)
* Read the build id if possible. This is required for
* DSO_BINARY_TYPE__BUILDID_DEBUGINFO to work
*/
- if (filename__read_build_id(dso->name, build_id, BUILD_ID_SIZE) > 0)
+ if (filename__read_build_id(dso->long_name, build_id, BUILD_ID_SIZE) > 0)
dso__set_build_id(dso, build_id);
/*