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SubjectRe: [syzbot] KASAN: stack-out-of-bounds Read in profile_pc

> True, ftrace does have function profiling (function_profile_enabled).
> Steve, is there a way to enable that on the kernel cmdline?

That's not really comparable. function profiling has a lot more
overhead. Also there is various code which has ftrace instrumentation

I don't think why you want to kill the old profiler. It's rarely used,
but when you need it usually works. It's always good to have simple fall
backs. And it's not that it's a lot of difficult code.


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