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大家好、体验一下
在运行设计验证测试(系统满载)且系统卡住时、RCU CPU 停止扭曲。
RCU 警告如下:
[CPU7] Time:Thread 2.724192 FEQ :1970 MHz Real:2.797871 带宽:40.815072 Gb/s
[CPU4]时间:线程2.702266s FEQ:1986 MHz 实际值:2.822112s[17755.387587] RCU:信息:RCU_PREOPTH 检测到 CPU /任务上的停止:
[17755.393728] RCU: 5-...0:(1个周期的这个 GP) idle=51e/1/0x40000000000000000002 softirq=202913/202914 fqs=1250644
[17818.407590] RCU:信息:RCU_Preempt Detected secteds on CPU/ tasks (RCU_preempt 检测到 CPU /任务上的停转):
[17818.413727] RCU: 5-...0:(1个周期的 GP) idle=51e/1/0x400000000000000000000002 softirq=202913/202914 fqs=1257695
[17881.427584] RCU:信息:RCU_Preempt Detected secteds on CPU/ tasks:
[17881.433730] RCU: 5-...0:(1个周期的这个 GP) idle=51e/1/0x40000000000000000002 softirq=202913/202914 fqs=1264853
[17944.447602] RCU:信息:RCU_Preempt Detected secteds on CPU/ tasks (RCU_preempt 检测到 CPU /任务上的停转):
[17944.453721] RCU: 5-...0:(1个周期的 GP) idle=51e/1/0x40000000000000000002 softirq=202913/202914 fqs=1271935
[18007.467583] RCU:信息:RCU_Preempt Detected sected sidks on CPU/ tasks:
我们可以通过 Linux 酷刑测试重现此问题、如下所示:
谢谢
Quantli
您好!
请跟踪一个 E2E 主题中的同一问题、以避免重复和混淆。 谢谢。
我将关闭此线程、该团队将继续在以下线程上进行调试。
此致、
斯坦利