Messages in this thread | | | Date | Mon, 12 Nov 2018 16:56:35 -0600 | From | Josh Poimboeuf <> | Subject | Re: [PATCH RFC 0/3] Static calls |
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On Mon, Nov 12, 2018 at 12:03:34PM -0500, Steven Rostedt wrote: > On Sun, 11 Nov 2018 23:30:55 -0600 > Josh Poimboeuf <jpoimboe@redhat.com> wrote: > > > > How much of that slowdown is reversed? > > > > In theory, it should reverse all of the slowdown, and actually may even > > speed it up a little. Steve is working on measuring that now. > > When I'm able to get it to work! Hopefully that last patch snippet you > posted will help. If not, I'm assuming you'll be in Vancouver this > week, and we could sit down and work it out.
Sure, I'm already in Vancouver. Just grab me if you see me, or ping me on IRC/email. Or feel free to send me your patches if it's still giving you trouble.
> That said, I don't expect a 100% improvement. Because the retpoline > causes slow down in other areas than just tracing, which is not being > fixed by this. I'm expecting a substantial improvement (which I see > good improvement with the unoptimized static calls), and hoping for > much more with the optimized one (when I get it working). But not 100%, > as stated above.
Ah, ok. Makes sense.
-- Josh
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