sched_switch, sched_wakeup, ipi_entry ipi_exit when hook this points, after running for a while. the system is hang ,is kernel bug ? the kernel is 5.4
look for call stacks in hang core: Non-secure Watchdog data Pet time: 9.36s Bark time: 12.0s Watchdog last pet: 10501.000 CPU online bits: 11111111 CPU runqueue online bits: 11111111 CPU isolated bits: 00000000 pet_timer_flags: 0x22800005 pet_timer_expires: 4297519716 Current jiffies : 4297532602 Timestamp of last timer interrupt(last_jiffies_update): 10561.224 tick_do_timer_cpu: 2 CPU logical map: [0, 1, 2, 3, 4, 5, 6, 7] epoch_ns: 10444197478329ns epoch_cyc: 1749340041338 CPU#0 : ping_start: 10556.653275 : ping_end: 0.000000
is CPU 0 :
FP:0xffffffc022f339f0:0xffffffc022f33a30 PC:0xffffffc022f339f8:('bpf_ktime_get_ns', 16) FP:0xffffffc022f33aa0:0xffffffc022f33ac0 PC:0xffffffc022f33aa8:('trace_call_bpf', 132) FP:0xffffffc022f33ac0:0xffffffc022f33b20 PC:0xffffffc022f33ac8:('perf_trace_run_bpf_submit', 84) FP:0xffffffc022f33b20:0xffffffc022f33b90 PC:0xffffffc022f33b28:('perf_trace_sched_switch$1cd8070f38e3a69b94547dfaa5326063', 384) FP:0xffffffc022f33b40:0xffffffc022f33ba0 PC:0xffffffc022f33b48:('__switch_to', 148) FP:0xffffffc022f33b80:0xffffffc022f33ba0 PC:0xffffffc022f33b88:('__switch_to', 276) FP:0xffffffc022f33b90:0xffffffc022f33c00 PC:0xffffffc022f33b98:('__schedule', 1668) FP:0xffffffc022f33ba0:0xffffffc022f33c00 PC:0xffffffc022f33ba8:('__schedule', 1048) FP:0xffffffc022f33c00:0xffffffc022f33c60 PC:0xffffffc022f33c08:('schedule', 140) FP:0xffffffc022f33c60:0xffffffc022f33c80 PC:0xffffffc022f33c68:('futex_wait_queue_me', 132) FP:0xffffffc022f33c80:0xffffffc022f33d80 PC:0xffffffc022f33c88:('futex_wait', 292) FP:0xffffffc022f33d80:0xffffffc022f33df0 PC:0xffffffc022f33d88:('do_futex', 216) FP:0xffffffc022f33df0:0xffffffc022f33e20 PC:0xffffffc022f33df8:('__arm64_sys_futex', 172) FP:0xffffffc022f33e20:0xffffffc022f33e70 PC:0xffffffc022f33e28:('el0_svc_common', 196) FP:0xffffffc022f33e70:0xffffffc022f33eb0 PC:0xffffffc022f33e78:('el0_svc_handler', 36) FP:0xffffffc022f33eb0:0xffffffc022f33ff0 PC:0xffffffc022f33eb8:('el0_svc', 8)