kernel/Documentation/ABI/testing/sysfs-devices-system-xen_cpu

   1 What:           /sys/devices/system/xen_cpu/
   2 Date:           May 2012
   3 Contact:        Liu, Jinsong <jinsong.liu@intel.com>
   4 Description:
   5                 A collection of global/individual Xen physical cpu attributes
   6
   7                 Individual physical cpu attributes are contained in
   8                 subdirectories named by the Xen's logical cpu number, e.g.:
   9                 /sys/devices/system/xen_cpu/xen_cpu#/
  10
  11
  12 What:           /sys/devices/system/xen_cpu/xen_cpu#/online
  13 Date:           May 2012
  14 Contact:        Liu, Jinsong <jinsong.liu@intel.com>
  15 Description:
  16                 Interface to online/offline Xen physical cpus
  17
  18                 When running under Xen platform, it provide user interface
  19                 to online/offline physical cpus, except cpu0 due to several
  20                 logic restrictions and assumptions.