On Thu, 13 Jun 2024 15:11:07 +0800 Andy Chiu <andy.c...@sifive.com> wrote:
> kernel_text_address() and __kernel_text_address() are called in > arch_stack_walk() of riscv. This results in excess amount of un-related > traces when the kernel is compiled with CONFIG_TRACE_IRQFLAGS. The > situation worsens when function_graph is active, as it calls > local_irq_save/restore in each function's entry/exit. This patch adds > both functions to notrace, so they won't show up on the trace records. I rather not add notrace just because something is noisy. You can always just add: echo '*kernel_text_address' > /sys/kernel/tracing/set_ftrace_notrace and achieve the same result. -- Steve
