cmd_/root/android/my_test/01_day/my_timer.ko := aarch64-linux-android-ld -EL -r  -T /root/tegra/scripts/module-common.lds --build-id  -o /root/android/my_test/01_day/my_timer.ko /root/android/my_test/01_day/my_timer.o /root/android/my_test/01_day/my_timer.mod.o