linux内核中的每个定时器都有一个名为"real task_struct“的字段,它是一个高精度定时器( struct hrtimer )。当它到期时,调用名为it_real_fn的函数。这是source code in Linux kernel 2.6.39.4 /*
* The timer is automagically restarted, when interval !container_of(timer, struct signal_struct, real_timer
/gcc/arm-poky-linux-gnueabi/6.4.0/real-ld: cannot find crt1.o: No such file or directory
/home/developer/x86_64-pokysdk-linux/usr/libexec/arm-poky-linux-gnueabi/gcc/arm-poky-linux-gnueabi/6.