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e1f2b3822e
The API for determining which PID is running on a specific CPU is racy and is unnecessary since this information can be obtained from user space. Additionally, it's not reliable for identifying idle CPUs. Therefore, it's better to remove this API and, in the future, provide a cpumask alternative that can export the idle state of the CPUs to user space. As a consequence also change scx_rustland to dispatch one task a time, instead of dispatching tasks in batches of idle cores (that are usually not accurate due to the racy nature of the CPU ownership interaface). Dispatching one task at a time even makes the scheduler more performant, due to the vruntime scheduling being applied to more tasks sitting in the scheduler's queue. 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 | ||
| meson.build | ||
| 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.