编译android3.4内核源码编译错误

Question

drivers/built-in.o: In function trace_mmc_blk_rw_end':
/home/cy/android/kernel/common/include/trace/events/mmc.h:82: undefined reference to__tracepoint_mmc_blk_rw_end'
drivers/built-in.o: In function mmc_do_erase':
/home/cy/android/kernel/common/drivers/mmc/core/core.c:1580: undefined reference to__tracepoint_mmc_blk_erase_start'
/home/cy/android/kernel/common/drivers/mmc/core/core.c:1580: undefined reference to __tracepoint_mmc_blk_erase_end'
drivers/built-in.o: In functiontrace_mmc_blk_rw_start':
/home/cy/android/kernel/common/include/trace/events/mmc.h:75: undefined reference to `__tracepoint_mmc_blk_rw_start'

Answer 1

提示没有定义，是不是构建过程没有按照说明来做。