Messages in this thread Patch in this message | | | Date | Tue, 19 Jan 2016 05:34:28 -0800 | From | tip-bot for Ben Hutchings <> | Subject | [tip:perf/urgent] perf symbols: Fix reading of build-id from vDSO |
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Commit-ID: 40c4a0f92aed570cc529a1e5c24c7e04a0ce8b85 Gitweb: http://git.kernel.org/tip/40c4a0f92aed570cc529a1e5c24c7e04a0ce8b85 Author: Ben Hutchings <ben@decadent.org.uk> AuthorDate: Wed, 13 Jan 2016 17:23:01 +0000 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Fri, 15 Jan 2016 16:31:58 -0300
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> --- 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 3b2de6e..ab02209 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -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); /*
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