On Thu, 5 Dec 2024 13:34:24 -0500 Steven Rostedt <[email protected]> wrote:
> On Mon, 11 Nov 2024 00:51:09 +0900 > "Masami Hiramatsu (Google)" <[email protected]> wrote: > > > diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig > > index 2fc55a1a88aa..91a6382c04bd 100644 > > --- a/kernel/trace/Kconfig > > +++ b/kernel/trace/Kconfig > > @@ -307,12 +307,10 @@ config DYNAMIC_FTRACE_WITH_ARGS > > > > config FPROBE > > bool "Kernel Function Probe (fprobe)" > > - depends on FUNCTION_TRACER > > - depends on DYNAMIC_FTRACE_WITH_REGS || DYNAMIC_FTRACE_WITH_ARGS > > - depends on HAVE_FTRACE_REGS_HAVING_PT_REGS || > > !HAVE_DYNAMIC_FTRACE_WITH_ARGS > > - depends on HAVE_RETHOOK > > - select RETHOOK > > - default n > > + depends on HAVE_FUNCTION_GRAPH_FREGS && HAVE_FTRACE_GRAPH_FUNC > > + depends on DYNAMIC_FTRACE_WITH_ARGS > > + select FUNCTION_GRAPH_TRACER > > + default y > > Please remove the "default y". This will select function graph tracer and > will not let you to disable it without disabling this. Good catch! I forgot about the combination's side effect. > > If you really want to tick off Linus, then make an option that selects other > options "default y" ;-) Oh, no, I don't want it. > > Can you rebase the series off of v6.13-rc1? There's a minor conflict with > the riscv Kconfig. OK, let me update. Thank you! > > -- Steve > > > > help > > This option enables kernel function probe (fprobe) based on ftrace. > > The fprobe is similar to kprobes, but probes only for kernel function -- Masami Hiramatsu (Google) <[email protected]>
