模拟一定数量的用户，同时并发请求。

from gevent._semaphore import BoundedSemaphore

# 创建集合点
all_locusts_spawned = BoundedSemaphore()
all_locusts_spawned.acquire()


# 注册事件
@events.spawning_complete.add_listener
def on_hatch_complete(**kwargs):
    all_locusts_spawned.release()  

    
class ApiUser(TaskSet):
    """压测op操作"""
    index = 1

    @task(15)
    def test_op(self):
        """op操作"""
        all_locusts_spawned.wait()  # 限制在所有用户准备完成前处于等待状态
        self.client.send('42["operation",{'
                         f'"revision":{self.user.version_id.get(self.index)}'
                         ',"op":[[["extra","user_state","275127340","current_stage_actor",{"r":true,"i":'
                         f'"{uuid.uuid1()}"'
                         '}]]]}]')
        self.index += 1