gprofiler.py 文件源码

def _record_frame(self, frame):
        if self.target_greenlet_id and id(gevent.getcurrent()) != self.target_greenlet_id:
            return
        now = timeit.default_timer()
        if self.last_profile is not None:
            if now - self.last_profile < self.interval:
                return
        self.last_profile = now
        self.timestamps.append(int(1e6 * now))
        stack = []
        while frame is not None:
            stack.append(self._format_frame(frame))
            frame = frame.f_back
        stack.reverse()
        self.root.add(stack, self._id_generator)
        self.samples.append(self.nextId)