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Pass enqueue flags to user-space: flags will be passed via QueuedTask.flags and can be forwarded back to BPF via DispatchedTask.flags. These flags can be also passed to BpfScheduler.select_cpu() to apply a more refined CPU selection policy. Moreover, avoid to prioritize the user-space scheduler too much and dispatch it only if there are no other tasks that needs to be dispatched in ops.dispatch(). This improves CPU utilization and enhances the fairness, robustness, and resilience of schedulers based on scx_rustland_core, particularly under stress test conditions. Signed-off-by: Andrea Righi <andrea.righi@linux.dev> |
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| .. | ||
| scx_bpfland | ||
| scx_lavd | ||
| scx_layered | ||
| scx_mitosis | ||
| scx_rlfifo | ||
| scx_rustland | ||
| scx_rusty | ||
| .gitignore | ||
| README.md | ||
RUST SCHEDULERS
Introduction
This directory contains schedulers with user space rust components.
The README in each scheduler directory provides some background and describes the types of workloads or scenarios they're designed to accommodate. For more details on any of these schedulers, please see the header comment in their main.rs or *.bpf.c files.