tools/sched_ext/README.md

11 Some of the examples are performant, production-ready schedulers. That is, for
12 the correct workload and with the correct tuning, they may be deployed in a
18 types of workloads or scenarios they're designed to accommodate, and whether or
19 not they're production ready. For more details on any of these schedulers,
47 non-trivial ones.
79 This is a large, auto-generated header file that contains all of the types
81 [BTF](https://docs.kernel.org/bpf/btf.html) (i.e. with the BTF-related Kconfig
108 	bpf_printk("Task %s enabled in example scheduler", p->comm);
126 3. At `../../vmlinux` (i.e. at the root of the kernel tree where you're
129 4. `/boot/vmlinux-$(uname -r)`
133 the kernel you're currently running on. This means that if you're running on a
137 ### Aside on CO-RE
140 [CO-RE](https://nakryiko.com/posts/bpf-core-reference-guide/) (Compile Once Run
144 example above, we print out a task name with `p->comm`. CO-RE would perform
154 $ make -j($nproc)
164 https://github.com/sched-ext/scx.
172 well on single-socket systems with a unified L3 cache.
178 useful BPF features, such as sleepable per-task storage allocation in the
180 enqueue tasks. It also illustrates how core-sched support could be implemented.
198 weight-based cgroup CPU control by flattening the cgroup hierarchy into a single
204 reasonably well on single socket-socket systems with a unified L3 cache and show
227 1. `which clang` to make sure you're using a sufficiently new version of clang.
253 [Getting a vmlinux.h file](#getting-a-vmlinuxh-file) in order to ensure your
263 Auto-detecting system features:
264 ...                         clang-bpf-co-re: [ on  ]