664fee3dc3
Do not use dwfl_module_addrsym if dwarf_diename can find the symbol
name, since dwfl_module_addrsym can be failed on shared libraries.
Without this patch
----
$ perf probe -x ../lib/traceevent/libtraceevent.so -V create_arg_op
Failed to find symbol at 0x11df1
Failed to find the address of create_arg_op
Error: Failed to show vars.
----
With this patch
----
$ perf probe -x ../lib/traceevent/libtraceevent.so -V create_arg_op
Available variables at create_arg_op
@<create_arg_op+0>
enum filter_op_type btype
struct filter_arg* arg
----
This bug was reported on linux-perf-users@vger.kernel.org.
Reported-by: david lerner <dlernerdroid@gmail.com>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: david lerner <dlernerdroid@gmail.com>
Cc: linux-perf-user@vger.kernel.org
Cc: yrl.pp-manager.tt@hitachi.com
Link: http://permalink.gmane.org/gmane.linux.kernel.perf.user/1691
Link: http://lkml.kernel.org/r/20140917084101.3722.25299.stgit@kbuild-f20.novalocal
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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