[IMP] dumpstack dumps greenlets when running in evented mode

bzr revid: chs@openerp.com-20131107163419-90pd7uai8fm70sv9

openerp/cli/server.py

@@ -166,22 +166,39 @@ def signal_handler(sig, frame):
 
 def dumpstacks(sig, frame):
     """ Signal handler: dump a stack trace for each existing thread."""
-    # code from http://stackoverflow.com/questions/132058/getting-stack-trace-from-a-running-python-application#answer-2569696
-    # modified for python 2.5 compatibility
-    threads_info = dict([(th.ident, {'name': th.name,
-                                    'uid': getattr(th,'uid','n/a')})
-                                for th in threading.enumerate()])
     code = []
-    for threadId, stack in sys._current_frames().items():
-        thread_info = threads_info.get(threadId)
-        code.append("\n# Thread: %s (id:%s) (uid:%s)" % \
-                    (thread_info and thread_info['name'] or 'n/a',
-                     threadId,
-                     thread_info and thread_info['uid'] or 'n/a'))
+
+    def extract_stack(stack):
         for filename, lineno, name, line in traceback.extract_stack(stack):
-            code.append('File: "%s", line %d, in %s' % (filename, lineno, name))
+            yield 'File: "%s", line %d, in %s' % (filename, lineno, name)
             if line:
-                code.append("  %s" % (line.strip()))
+                yield "  %s" % (line.strip(),)
+
+    if openerp.evented:
+        # code from http://stackoverflow.com/questions/12510648/in-gevent-how-can-i-dump-stack-traces-of-all-running-greenlets
+        import gc
+        from greenlet import greenlet
+        for ob in gc.get_objects():
+            if not isinstance(ob, greenlet) or not ob:
+                continue
+            code.append("\n# Greenlet: %r" % (ob,))
+            for line in extract_stack(ob.gr_frame):
+                code.append(line)
+
+    else:
+        # code from http://stackoverflow.com/questions/132058/getting-stack-trace-from-a-running-python-application#answer-2569696
+        # modified for python 2.5 compatibility
+        threads_info = dict([(th.ident, {'name': th.name, 'uid': getattr(th, 'uid', 'n/a')})
+                            for th in threading.enumerate()])
+        for threadId, stack in sys._current_frames().items():
+            thread_info = threads_info.get(threadId)
+            code.append("\n# Thread: %s (id:%s) (uid:%s)" %
+                        (thread_info and thread_info['name'] or 'n/a',
+                         threadId,
+                         thread_info and thread_info['uid'] or 'n/a'))
+            for line in extract_stack(stack):
+                code.append(line)
+
     _logger.info("\n".join(code))
 
 def setup_signal_handlers(signal_handler):