metric.py 文件源码

def update_p95(self, value):
        r_len = 0
        r_exists = True

        if self.reservoir == None:
            r_exists = False
        else:
            r_len = len(self.reservoir)

        if not r_exists:
            self.reservoir = []

        if r_len < self.RESERVOIR_SIZE:
            self.reservoir.append(value)
        else:
            self.reservoir[random.randint(0, self.RESERVOIR_SIZE - 1)] = value

        self.num_samples += 1