Re: [PATCH v2 1/7] sched/fair: Fix zero_vruntime tracking

[K Prateek Nayak]

On 3/31/2026 12:44 PM, Peter Zijlstra wrote:
> On Tue, Mar 31, 2026 at 09:08:23AM +0200, Peter Zijlstra wrote:
>> On Tue, Mar 31, 2026 at 06:08:27AM +0530, K Prateek Nayak wrote:
>>
>>> The above doesn't recover after a avg_vruntime(). Btw I'm running:
>>>
>>>     nice -n 19 stress-ng --yield 32 -t 1000000s&
>>>     while true; do perf bench sched messaging -p -t -l 100000 -g 16; done
>>
>> And you're running that on a 16 cpu machine / vm ?
> 
> W00t, it went b00m. Ok, let me go add some tracing.

I could only repro it on baremetal after few hours but good to know it
exploded effortlessly on your end! Was this a 16vCPU VM with the same
recipe?

-- 
Thanks and Regards,
Prateek