Re: [linus:master] [apparmor] 1ad22fcc4d: stress-ng.kill.ops_per_sec -42.5% regression

[John Johansen]

On 1/27/23 17:37, Yin, Fengwei wrote:
> Hi John,
>
> On 12/31/2022 3:18 PM, kernel test robot wrote:
> > Greeting,
> >
> > FYI, we noticed a -42.5% regression of stress-ng.kill.ops_per_sec due to commit:
> >
> >
> > commit: 1ad22fcc4d0d2fb2e0f35aed555a86d016d5e590 ("apparmor: rework profile->rules to be a list")
> > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
> >
> > in testcase: stress-ng
> > on test machine: 96 threads 2 sockets Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz (Cascade Lake) with 512G memory
> > with following parameters:
> >
> > 	nr_threads: 10%
> > 	disk: 1HDD
> > 	testtime: 60s
> > 	fs: ext4
> > 	class: os
> > 	test: kill
> > 	cpufreq_governor: performance
> Do you think any other information need be collected for this regression
> report? Thanks.

no, I know what is causing it, I just haven't had time to fix it yet.