On Mon, 19 Aug 2024 11:29:02 -0400 Steven Rostedt <rost...@goodmis.org> wrote:
> On Mon, 19 Aug 2024 17:11:52 +0900 > Masami Hiramatsu (Google) <mhira...@kernel.org> wrote: > > > CONFIG_LTO=y > > CONFIG_LTO_CLANG=y > > Hi Masami, > > Does it still fail if you disable the above? No, I found that caused these failure. > I wonder if that causes functions to not be part of the available filter > functions that the ftrace filter test is using :-/ Ah, LTO optimized the target function call... (same as ftrace-direct example) > > We may need to add "noinline" or something to make sure those functions > don't get inlined for LTO. Yeah, we need such option at least for function call test. Thank you, > > -- Steve -- Masami Hiramatsu (Google) <mhira...@kernel.org>