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Diffstat (limited to 'Documentation/ABI/testing/sysfs-devices-system-cpu')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-devices-system-cpu | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index 8aed6d94c4cd..3a05604c21bf 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -764,6 +764,17 @@ Description: participate in load balancing. These CPUs are set by boot parameter "isolcpus=". +What: /sys/devices/system/cpu/housekeeping +Date: Oct 2025 +Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org> +Description: + (RO) the list of logical CPUs that are designated by the kernel as + "housekeeping". Each CPU are responsible for handling essential + system-wide background tasks, including RCU callbacks, delayed + timer callbacks, and unbound workqueues, minimizing scheduling + jitter on low-latency, isolated CPUs. These CPUs are set when boot + parameter "isolcpus=nohz" or "nohz_full=" is specified. + What: /sys/devices/system/cpu/crash_hotplug Date: Aug 2023 Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org> |