* [PATCH] perf: fix undefined symbols in python binding
@ 2013-02-04 0:27 Ben Noordhuis
0 siblings, 0 replies; only message in thread
From: Ben Noordhuis @ 2013-02-04 0:27 UTC (permalink / raw)
To: linux-kernel
Cc: Peter Zijlstra, Paul Mackerras, Ingo Molnar,
Arnaldo Carvalho de Melo, Ben Noordhuis
Add dummy test_attr__enabled and test_attr__open symbols to
util/python.c to fix the following dynamic linker error:
$ python python/twatch.py
Traceback (most recent call last):
File "python/twatch.py", line 16, in <module>
import perf
ImportError: /path/to/perf.so: undefined symbol: test_attr__enabled
Signed-off-by: Ben Noordhuis <info@bnoordhuis.nl>
---
tools/perf/util/python.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index a2657fd..163abbb 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -8,6 +8,15 @@
#include "cpumap.h"
#include "thread_map.h"
+/* Dummy to satisfy linker. */
+bool test_attr__enabled;
+
+/* Dummy to satisfy linker. */
+void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
+ int fd, int group_fd, unsigned long flags)
+{
+}
+
/* Define PyVarObject_HEAD_INIT for python 2.5 */
#ifndef PyVarObject_HEAD_INIT
# define PyVarObject_HEAD_INIT(type, size) PyObject_HEAD_INIT(type) size,
--
1.7.9.5
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