79 lines
2.4 KiB
Python
79 lines
2.4 KiB
Python
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"""_repro_hang.py — 复现 2026-09-03 01:40 "op/start 卡住→闪退"。
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复刻 ecat.html 的 UI 操作序列(100ms 周期 + 2s pollSync + 手动 stop/start 节奏):
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open → 循环 N 轮{ op/start → 立即 cycle+sync_diag → cycle@100ms → ~2s 后 op/stop } → close
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faulthandler 45s 看门狗: 卡住时自动转储所有线程栈(op/start 有界 ~26s, 超过 45s = 真卡死)。
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退出码非 0xC0000005 之外的异常退出也会打印。
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"""
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import faulthandler
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import sys
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import time
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faulthandler.enable() # 捕获原生访问违例(SEH)并打印 Python 栈 = 闪退根因现场
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faulthandler.dump_traceback_later(45, exit=False)
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import ecat_server as es
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def t():
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return time.strftime("%H:%M:%S")
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def show(res):
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for line in res.get("log", []):
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print(f" [{t()}] {line}", flush=True)
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def main():
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rounds = int(sys.argv[1]) if len(sys.argv) > 1 else 30
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r = es.api_open({"substr": "I226"})
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show(r)
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if not r.get("ok"):
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print("open 失败, 退出", flush=True)
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return 1
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for i in range(rounds):
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print(f"=== round {i} op/start ===", flush=True)
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r = es.api_op_start({"dc_cycle_us": 0})
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show(r)
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if not r.get("ok"):
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print(f" [{t()}] op/start 失败, 继续下一轮", flush=True)
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time.sleep(1.0)
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continue
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# 复刻 doCycle() 立即一次 + pollSync() 立即一次
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r = es.api_op_cycle({"outputs": ""})
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if not r.get("ok"):
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show(r)
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r = es.api_sync_diag({})
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if not r.get("ok"):
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show(r)
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# 100ms 周期跑 ~2s, 中途 2s 处再 pollSync 一次
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end = time.time() + 2.0
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synced = False
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while time.time() < end:
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r = es.api_op_cycle({"outputs": ""})
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if not r.get("ok"):
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show(r)
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break
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if not synced and time.time() > end - 1.0:
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synced = True
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r = es.api_sync_diag({})
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if not r.get("ok"):
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show(r)
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time.sleep(0.1)
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print(f" [{t()}] op/stop", flush=True)
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r = es.api_op_stop({})
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show(r)
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time.sleep(1.0) # 用户点击间隔
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es.api_close({})
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print(f"[{t()}] 全部 {rounds} 轮完成, 无卡死", flush=True)
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faulthandler.cancel_dump_traceback_later()
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return 0
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if __name__ == "__main__":
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rc = main()
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print(f"EXIT rc={rc}", flush=True)
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sys.exit(rc)
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