On Wed, 14 Jun 2023 16:14:19 +0200 Jiri Olsa <olsajiri@xxxxxxxxx> wrote: > FYI I did some perf meassurements and the speedup is not substantial :-\ > > looks like the symbols resolving to addresses we do in kernel for kprobe_multi > link is more faster/cheaper than I thought The symbol lookup is supposed to be fast, but it's not "free", whereas this is "free". I didn't expect a big speedup. -- Steve > > but still there is 'some' speedup and we will get rid of the extra > /proc/kallsyms parsing, so I think it's still worth it to have the > new file