The Linux Plumbers Conference blog has a
report from the sched_ext microconference held in Prague.
Three main topics dominated the discussions
Priority inversion and how to handle it in sched_ext: lock holder and
lock waiter preemption, time slice extension, and making proxy execution
work together with BPF schedulers.
Paravirtualized scheduling: letting the host and guest schedulers
cooperate across the VM boundary, with sched_ext as the policy engine on
the host.
Device and topology-aware scheduling: using hardware feedback (Intel
HFI), device/accelerator locality and cache topology to drive task
placement.
https://lwn.net/Articles/1103426/
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