Re: [RFC][PATCH 00/12] various perf fixes

From: Dmitry Vyukov
Date: Mon Jan 11 2016 - 13:45:22 EST


On Mon, Jan 11, 2016 at 5:24 PM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
> Hi,
>
> I've been hunting perf bugs for the past few weeks. This resulted in this pile
> of patches, that mostly seems to work -- I still get an occasional fail so
> something is still off.
>
> But I've been sitting on this for far too long, so here goes.
>
> (I've not at all tested perf-cgroup)
>
> The code compiles in between patches, but I've not bothered trying to run/test
> any intermediate stage. There's just too many inter-related fail.
>
> Alexander, Stephane, could you guys please have a hard look at this?
>
> Andi, Dmitry, patch 10 should explain the getting stuck in
> perf_install_in_context() forever thing you both have observed.


I've tried to apply this series, but it failed exactly on patch 10.
Among other things I don't have event_function_call() function at all.
I am on the latest Linus tree afd2ff9b7e1b367172f18ba7f693dfb62bdcb2dc
(Jan 10, 4.4). What other patches do I need to apply this?