Commit 40c4a0f9 authored Jan 13, 2016 by Ben Hutchings Committed by Arnaldo Carvalho de Melo Jan 15, 2016

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: Ben Hutchings <ben@decadent.org.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20160113172301.GT28542@decadent.org.uk


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent 3caeaa56

tools/perf/util/symbol.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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
		* 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);

		/*