On 10/27/20 12:54 PM, Linus Torvalds wrote: > On Tue, Oct 27, 2020 at 1:52 AM Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: >> >> Is it time to deprecate and eventually remove oprofile while we're at >> it? > > I think it's well past time. > > I think the user-space "oprofile" program doesn't actually use the > legacy kernel code any more, and hasn't for a long time. > > But I might be wrong. Adding William Cohen to the cc, since he seems > to still maintain it to make sure it builds etc. > > Linus > Hi, Yes, current OProfile code uses the existing linux perf infrastructure and doesn't use the old oprofile kernel code. I have thought about removing that old oprofile driver code from kernel, but have not submitted patches for it. I would be fine with eliminating that code from the kernel. -Will
