On Sun, Feb 16, 2020 at 02:06:05PM +0100, Aurelien Jarno wrote: > On 2020-02-16 03:32, notafile wrote: > > I've been running into this myself a lot lately and wonder if anything has > > happened regarding this since 2014, after all it's been six years. > > I'm surprised so few people seem to be taking interest in this considering > > the amount of tools that rely on frame pointers for performant stack > > traces, which has further increased with the introduction of eBPF. > I understand the need for -fno-omit-frame-pointer, however it has a > performance impact, so we do not want to do that by default. OTOH > providing an alternative libc is something tricky if we do not want it > to do it without breaking systems. Someone has to come with a patch that > is well tested.
Would it be worth to consider -fno-omit-frame-pointer together with -momit-leaf-frame-pointer? Kind regards Philipp Kern