我已选择了几个跟踪标签,当我运行跟踪(来自 DDMS
)时,我得到以下输出:
Unexpected error while collecting system trace. Unable to find trace start marker 'TRACE:':
error opening /sys/kernel/debug/tracing/options/overwrite:
No such file or directory (2)
错误 openi
(截断错误信息)
实际上,在内核目录中并没有调试文件,但是哪种机制会生成必要的路径?