Re: [RFC] vruntime updated incorrectly when rt_mutex boots prio?

2018-08-13 Thread Steve Muckle
On 08/07/2018 10:40 AM, 'Todd Kjos' via kernel-team wrote: This issue was discovered on a 4.9-based android device, but the relevant mainline code appears to be the same. The symptom is that over time the some workloads become sluggish resulting in missed frames or sluggishness. It appears to be

Re: [RFC] vruntime updated incorrectly when rt_mutex boots prio?

2018-08-13 Thread Steve Muckle
On 08/07/2018 10:40 AM, 'Todd Kjos' via kernel-team wrote: This issue was discovered on a 4.9-based android device, but the relevant mainline code appears to be the same. The symptom is that over time the some workloads become sluggish resulting in missed frames or sluggishness. It appears to be

[RFC] vruntime updated incorrectly when rt_mutex boots prio?

2018-08-07 Thread Todd Kjos
This issue was discovered on a 4.9-based android device, but the relevant mainline code appears to be the same. The symptom is that over time the some workloads become sluggish resulting in missed frames or sluggishness. It appears to be the same issue described in

[RFC] vruntime updated incorrectly when rt_mutex boots prio?

2018-08-07 Thread Todd Kjos
This issue was discovered on a 4.9-based android device, but the relevant mainline code appears to be the same. The symptom is that over time the some workloads become sluggish resulting in missed frames or sluggishness. It appears to be the same issue described in