timer misc
timer timeout callback callstack
[ 99.021468] CPU: 2 PID: 0 Comm: swapper/2 Tainted: P O 4.19.116+ #53
[ 99.029138] Hardware name: xxx(DT)
[ 99.032802] Call trace:
[ 99.035261] dump_backtrace+0x0/0x4
[ 99.038759] dump_stack+0xf4/0x134
[ 99.042169] override_mem_timer_fn+0x18/0x44
[ 99.046445] call_timer_fn+0x134/0x29c
[ 99.050197] run_timer_softirq+0x4b4/0xb2c
[ 99.054299] __do_softirq+0x1f8/0x490
[ 99.057967] irq_exit+0x1d4/0x244
[ 99.061290] __handle_domain_irq+0x140/0x1e0
[ 99.065565] gic_handle_irq+0x50/0xbc
[ 99.069231] el1_irq+0xe8/0x190
[ 99.072377] arch_cpu_idle+0x208/0x470
[ 99.076132] do_idle+0x208/0x340
[ 99.079366] cpu_startup_entry+0x94/0x98
[ 99.083296] __cpu_disable+0x0/0xe8
