1*4882a593SmuzhiyunWhat: /sys/devices/system/xen_cpu/ 2*4882a593SmuzhiyunDate: May 2012 3*4882a593SmuzhiyunContact: Liu, Jinsong <jinsong.liu@intel.com> 4*4882a593SmuzhiyunDescription: 5*4882a593Smuzhiyun A collection of global/individual Xen physical cpu attributes 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun Individual physical cpu attributes are contained in 8*4882a593Smuzhiyun subdirectories named by the Xen's logical cpu number, e.g.: 9*4882a593Smuzhiyun /sys/devices/system/xen_cpu/xen_cpu#/ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun 12*4882a593SmuzhiyunWhat: /sys/devices/system/xen_cpu/xen_cpu#/online 13*4882a593SmuzhiyunDate: May 2012 14*4882a593SmuzhiyunContact: Liu, Jinsong <jinsong.liu@intel.com> 15*4882a593SmuzhiyunDescription: 16*4882a593Smuzhiyun Interface to online/offline Xen physical cpus 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun When running under Xen platform, it provide user interface 19*4882a593Smuzhiyun to online/offline physical cpus, except cpu0 due to several 20*4882a593Smuzhiyun logic restrictions and assumptions. 21