On 2024-07-18 14:38:05 [+0800], Du Dengke wrote: > Hi all Hi, > The two compare show : when switch graphic windows case > sched_waking 209 to 922 > sched_wakeup 332 to 989 > rcu_utilization 205 to 2151 > sched_switch 279 to 1374 > increasing high. > > Is my thinking right? If I am right, the cyclictest runing on core 3 , > which isolate form irq, userspace application, why above function > affected? I wouldn't expect that sched_waking/wakeup increased on the isolated CPU3 unless something else was scheduled there. The latency might have increased simply due to the shared cached, yes I assume the cache is somehow shared on your system. Also you may get better results if you lower interval from current "-i 1000" to 500, 250. > Thanks > dengke Sebastian
