perf symbols: Keep DSO->symtab_type after decompress
authorNamhyung Kim <namhyung@kernel.org>
Thu, 8 Jun 2017 07:31:08 +0000 (16:31 +0900)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Thu, 8 Jun 2017 18:39:26 +0000 (15:39 -0300)
The symsrc__init() overwrites dso->symtab_type as symsrc->type in
dso__load_sym().  But for compressed kernel modules in the build-id
cache, it should have original symtab type to be decompressed as needed.

This fixes perf annotate to show disassembly of the function properly.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: kernel-team@lge.com
Link: http://lkml.kernel.org/r/20170608073109.30699-9-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/util/symbol-elf.c

index d342e77..502505c 100644 (file)
@@ -671,6 +671,8 @@ int symsrc__init(struct symsrc *ss, struct dso *dso, const char *name,
                fd = dso__decompress_kmodule_fd(dso, name);
                if (fd < 0)
                        return -1;
+
+               type = dso->symtab_type;
        } else {
                fd = open(name, O_RDONLY);
                if (fd < 0) {