On Mon, 7 Oct 2019 18:13:02 +0200 Peter Zijlstra <pet...@infradead.org> wrote:
> On Mon, Oct 07, 2019 at 11:17:42AM -0400, Steven Rostedt wrote: > > Actually, even back then I said that it would be best to merge all the > > tools into one (I just didn't have the time to implement it), and then > > we could pull this off. I have one of my developers working to merge > > record-mcount into objtool now (there's been some patches floating > > around). > > Right, but while working on this I discovered GCC's -mrecord-mcount (and > the kernel using this), so how much do we really still need the > record-mcount tool? That only works for some archs, not all of them. At least not yet that I'm aware of. > > Do we really only need the tool for the little hole between gcc-4.6 > (minimal supported GCC version) and gcc-5 (when -mrecord-mcount was > introduced) ? Again, it's for more than just x86 ;-) -- Steve
