--- .../ABI/testing/sysfs-kernel-housekeeping | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-kernel-housekeeping b/Documentation/ABI/testing/sysfs-kernel-housekeeping new file mode 100644 index 0000000000000..3648578200111 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-kernel-housekeeping @@ -0,0 +1,22 @@ +What: /sys/kernel/housekeeping/ +Date: March 2026 +Contact: Qiliang Yuan <[email protected]> +Description: + Directory containing the dynamic housekeeping configuration + for various kernel subsystems. + + Each file represents a specific housekeeping type: + - timer: Timer and hrtimer interrupts. + - rcu: RCU callback offloading and GP kthreads. + - misc: Miscellaneous kernel services (e.g. kcompactd). + - tick: Dynamic full dynticks (NOHZ_FULL) state. + - domain: Scheduler domain isolation. + - workqueue: Workqueue affinity. + - managed_irq: Managed interrupts migration. + - kthread: General kernel thread affinity. + - smt_aware_mode: SMT-aware isolation toggle (0/1). + When enabled, writing a mask that does not include all + sibling threads of a core will be rejected with -EINVAL. + + Writing a CPULIST to the type files dynamically updates the + housekeeping mask for the corresponding type. -- 2.43.0
