1What: /sys/devices/system/cpu/dscr_default 2Date: 13-May-2014 3KernelVersion: v3.15.0 4Contact: 5Description: Writes are equivalent to writing to 6 /sys/devices/system/cpu/cpuN/dscr on all CPUs. 7 Reads return the last written value or 0. 8 This value is not a global default: it is a way to set 9 all per-CPU defaults at the same time. 10Values: 64 bit unsigned integer (bit field) 11 12What: /sys/devices/system/cpu/cpu[0-9]+/dscr 13Date: 13-May-2014 14KernelVersion: v3.15.0 15Contact: 16Description: Default value for the Data Stream Control Register (DSCR) on 17 a CPU. 18 This default value is used when the kernel is executing and 19 for any process that has not set the DSCR itself. 20 If a process ever sets the DSCR (via direct access to the 21 SPR) that value will be persisted for that process and used 22 on any CPU where it executes (overriding the value described 23 here). 24 If set by a process it will be inherited by child processes. 25Values: 64 bit unsigned integer (bit field) 26 27What: /sys/devices/system/cpu/cpuX/topology/die_id 28Description: the CPU die ID of cpuX. Typically it is the hardware platform's 29 identifier (rather than the kernel's). The actual value is 30 architecture and platform dependent. 31Values: integer 32 33What: /sys/devices/system/cpu/cpuX/topology/core_id 34Description: the CPU core ID of cpuX. Typically it is the hardware platform's 35 identifier (rather than the kernel's). The actual value is 36 architecture and platform dependent. 37Values: integer 38 39What: /sys/devices/system/cpu/cpuX/topology/cluster_id 40Description: the cluster ID of cpuX. Typically it is the hardware platform's 41 identifier (rather than the kernel's). The actual value is 42 architecture and platform dependent. 43Values: integer 44 45What: /sys/devices/system/cpu/cpuX/topology/book_id 46Description: the book ID of cpuX. Typically it is the hardware platform's 47 identifier (rather than the kernel's). The actual value is 48 architecture and platform dependent. it's only used on s390. 49Values: integer 50 51What: /sys/devices/system/cpu/cpuX/topology/drawer_id 52Description: the drawer ID of cpuX. Typically it is the hardware platform's 53 identifier (rather than the kernel's). The actual value is 54 architecture and platform dependent. it's only used on s390. 55Values: integer 56 57What: /sys/devices/system/cpu/cpuX/topology/core_cpus 58Description: internal kernel map of CPUs within the same core. 59 (deprecated name: "thread_siblings") 60Values: hexadecimal bitmask. 61 62What: /sys/devices/system/cpu/cpuX/topology/core_cpus_list 63Description: human-readable list of CPUs within the same core. 64 The format is like 0-3, 8-11, 14,17. 65 (deprecated name: "thread_siblings_list"). 66Values: decimal list. 67 68What: /sys/devices/system/cpu/cpuX/topology/package_cpus 69Description: internal kernel map of the CPUs sharing the same physical_package_id. 70 (deprecated name: "core_siblings"). 71Values: hexadecimal bitmask. 72 73What: /sys/devices/system/cpu/cpuX/topology/package_cpus_list 74Description: human-readable list of CPUs sharing the same physical_package_id. 75 The format is like 0-3, 8-11, 14,17. 76 (deprecated name: "core_siblings_list") 77Values: decimal list. 78 79What: /sys/devices/system/cpu/cpuX/topology/die_cpus 80Description: internal kernel map of CPUs within the same die. 81Values: hexadecimal bitmask. 82 83What: /sys/devices/system/cpu/cpuX/topology/die_cpus_list 84Description: human-readable list of CPUs within the same die. 85 The format is like 0-3, 8-11, 14,17. 86Values: decimal list. 87 88What: /sys/devices/system/cpu/cpuX/topology/cluster_cpus 89Description: internal kernel map of CPUs within the same cluster. 90Values: hexadecimal bitmask. 91 92What: /sys/devices/system/cpu/cpuX/topology/cluster_cpus_list 93Description: human-readable list of CPUs within the same cluster. 94 The format is like 0-3, 8-11, 14,17. 95Values: decimal list. 96 97What: /sys/devices/system/cpu/cpuX/topology/book_siblings 98Description: internal kernel map of cpuX's hardware threads within the same 99 book_id. it's only used on s390. 100Values: hexadecimal bitmask. 101 102What: /sys/devices/system/cpu/cpuX/topology/book_siblings_list 103Description: human-readable list of cpuX's hardware threads within the same 104 book_id. 105 The format is like 0-3, 8-11, 14,17. it's only used on s390. 106Values: decimal list. 107 108What: /sys/devices/system/cpu/cpuX/topology/drawer_siblings 109Description: internal kernel map of cpuX's hardware threads within the same 110 drawer_id. it's only used on s390. 111Values: hexadecimal bitmask. 112 113What: /sys/devices/system/cpu/cpuX/topology/drawer_siblings_list 114Description: human-readable list of cpuX's hardware threads within the same 115 drawer_id. 116 The format is like 0-3, 8-11, 14,17. it's only used on s390. 117Values: decimal list. 118