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Tasks are consumed from various DSQs in the following order: per-CPU DSQs => priority DSQ => shared DSQ Tasks in the shared DSQ may be starved by those in the priority DSQ, which in turn may be starved by tasks dispatched to any per-CPU DSQ. To mitigate this, record the timestamp of the last task scheduling event both from the priority DSQ and the shared DSQ. If the starvation threshold is exceeded without consuming a task, the scheduler will be forced to consume a task from the corresponding DSQ. The starvation threshold can be adjusted using the --starvation-thresh command line parameter (default is 5ms). Signed-off-by: Andrea Righi <andrea.righi@canonical.com> |
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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.