Commit 40c4a0f9 authored by Ben Hutchings's avatar Ben Hutchings Committed by Arnaldo Carvalho de Melo

perf symbols: Fix reading of build-id from vDSO

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: default avatarBen Hutchings <ben@decadent.org.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20160113172301.GT28542@decadent.org.ukSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 3caeaa56
...@@ -1466,7 +1466,7 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter) ...@@ -1466,7 +1466,7 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter)
* Read the build id if possible. This is required for * Read the build id if possible. This is required for
* DSO_BINARY_TYPE__BUILDID_DEBUGINFO to work * 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); dso__set_build_id(dso, build_id);
/* /*
......
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