Better thread tracing in debug.py
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@ -1097,46 +1097,44 @@ def pretty(data, indent=''):
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return ret
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return ret
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class PeriodicTrace(object):
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class ThreadTrace(object):
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"""
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"""
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Used to debug freezing by starting a new thread that reports on the
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Used to debug freezing by starting a new thread that reports on the
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location of the main thread periodically.
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location of other threads periodically.
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"""
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"""
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class ReportThread(QtCore.QThread):
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def __init__(self, interval=10.0):
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def __init__(self):
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self.interval = interval
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self.frame = None
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self.lock = Mutex()
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self.ind = 0
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self._stop = False
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self.lastInd = None
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self.start()
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self.lock = Mutex()
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QtCore.QThread.__init__(self)
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def notify(self, frame):
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def stop(self):
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with self.lock:
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with self.lock:
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self.frame = frame
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self._stop = True
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self.ind += 1
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def run(self):
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def start(self, interval=None):
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while True:
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if interval is not None:
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time.sleep(1)
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self.interval = interval
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with self.lock:
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self._stop = False
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if self.lastInd != self.ind:
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self.thread = threading.Thread(target=self.run)
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print("== Trace %d: ==" % self.ind)
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self.thread.daemon = True
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traceback.print_stack(self.frame)
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self.lastInd = self.ind
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def __init__(self):
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self.mainThread = threading.current_thread()
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self.thread = PeriodicTrace.ReportThread()
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self.thread.start()
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self.thread.start()
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sys.settrace(self.trace)
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def trace(self, frame, event, arg):
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def run(self):
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if threading.current_thread() is self.mainThread: # and 'threading' not in frame.f_code.co_filename:
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while True:
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self.thread.notify(frame)
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with self.lock:
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# print("== Trace ==", event, arg)
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if self._stop is True:
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# traceback.print_stack(frame)
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return
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return self.trace
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print("\n============= THREAD FRAMES: ================")
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for id, frame in sys._current_frames().items():
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if id == threading.current_thread().ident:
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continue
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print("<< thread %d >>" % id)
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traceback.print_stack(frame)
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print("===============================================\n")
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time.sleep(self.interval)
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class ThreadColor(object):
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class ThreadColor(object):
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