Re: [RFC PATCH v3 0/3] x86/perf/amd: AMD PMC counters and NMI latency

From: Cyrill Gorcunov
Date: Tue Apr 02 2019 - 17:31:57 EST


On Tue, Apr 02, 2019 at 05:13:15PM -0400, Vince Weaver wrote:
>
> > You know, running fuzzer on p4 might worth in anycase. As to potential
> > problems to fix -- i could try find some time slot for, still quite
> > limited too 'cause of many other duties :(
>
>
> Well I fired up the Pentium 4
> /dev/sda1 has gone 1457 days without being checked

Heh :)

> and eventually got it up to date (running "git pull" in a 5-year old Linux
> tree plus running "apt-get dist-upgrade" at the same time was maybe a
> mistake on a system with 1GB of RAM).
>
> Anyway I have it fuzzing current git and surprisingly while it's hit a few
> WARNINGs and some NMI dazed+confused messages it hasn't actually crashed
> yet. Not sure if I want to let it fuzz overnight if I'm not here though.

Wow, sounds impressive! Ping me if you find something.

>
> Shame on Intel though for not providing perf JSON files for the
> Pentium 4 event names.

Mind to point me where json events should lay, I could try to convert
names.