Where is patch 1/2 of this series? I don't see it in my mailbox. On 2/20/24 03:45, zhaoyang.huang wrote:
From: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx> According to current policy, CFS's may suffer involuntary IO-latency by
Did you perhaps mean "cause" instead of "suffer"?
being preempted by RT/DL tasks or IRQ.
For which workloads? Sequential I/O or random I/O? If it is for random I/O, please take a look at patch "scsi: ufs: core: Add CPU latency QoS support for UFS driver" (https://lore.kernel.org/all/20231219123706.6463-1-quic_mnaresh@xxxxxxxxxxx/) and let us know whether or not the Power Management Quality of Service (PM QoS) framework is perhaps a better solution. Thanks, Bart.
