On Thu, 25 Jan 2018 16:46:06 -0800 Frank Rowand <frowand.list@xxxxxxxxx> wrote: > The point is that using ftrace means there are use cases for the > debug information where the information will not be available. Note, this email came out when I was traveling. I'm now looking at the code and trace events are enabled right after rcu_init() in init/main.c. The early_initcall() enables syscall events(), as they are not available earlier. -- Steve
