diff options
Diffstat (limited to 'kernel/Kconfig.preempt')
| -rw-r--r-- | kernel/Kconfig.preempt | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/kernel/Kconfig.preempt b/kernel/Kconfig.preempt index c2f1fd95a821..fe782cd77388 100644 --- a/kernel/Kconfig.preempt +++ b/kernel/Kconfig.preempt @@ -133,4 +133,29 @@ config SCHED_CORE which is the likely usage by Linux distributions, there should be no measurable impact on performance. - +config SCHED_CLASS_EXT + bool "Extensible Scheduling Class" + depends on BPF_SYSCALL && BPF_JIT && DEBUG_INFO_BTF + select STACKTRACE if STACKTRACE_SUPPORT + help + This option enables a new scheduler class sched_ext (SCX), which + allows scheduling policies to be implemented as BPF programs to + achieve the following: + + - Ease of experimentation and exploration: Enabling rapid + iteration of new scheduling policies. + - Customization: Building application-specific schedulers which + implement policies that are not applicable to general-purpose + schedulers. + - Rapid scheduler deployments: Non-disruptive swap outs of + scheduling policies in production environments. + + sched_ext leverages BPF struct_ops feature to define a structure + which exports function callbacks and flags to BPF programs that + wish to implement scheduling policies. The struct_ops structure + exported by sched_ext is struct sched_ext_ops, and is conceptually + similar to struct sched_class. + + For more information: + Documentation/scheduler/sched-ext.rst + https://github.com/sched-ext/scx |