1 What: /sys/devices/system/cpu/dscr_d 1 What: /sys/devices/system/cpu/dscr_default
2 Date: 13-May-2014 2 Date: 13-May-2014
3 KernelVersion: v3.15.0 3 KernelVersion: v3.15.0
4 Contact: 4 Contact:
5 Description: Writes are equivalent to writi 5 Description: Writes are equivalent to writing to
6 /sys/devices/system/cpu/cpuN/d 6 /sys/devices/system/cpu/cpuN/dscr on all CPUs.
7 Reads return the last written 7 Reads return the last written value or 0.
8 This value is not a global def 8 This value is not a global default: it is a way to set
9 all per-CPU defaults at the sa 9 all per-CPU defaults at the same time.
10 Values: 64 bit unsigned integer (bit f 10 Values: 64 bit unsigned integer (bit field)
11 11
12 What: /sys/devices/system/cpu/cpu[0- 12 What: /sys/devices/system/cpu/cpu[0-9]+/dscr
13 Date: 13-May-2014 13 Date: 13-May-2014
14 KernelVersion: v3.15.0 14 KernelVersion: v3.15.0
15 Contact: 15 Contact:
16 Description: Default value for the Data Str 16 Description: Default value for the Data Stream Control Register (DSCR) on
17 a CPU. 17 a CPU.
18 This default value is used whe 18 This default value is used when the kernel is executing and
19 for any process that has not s 19 for any process that has not set the DSCR itself.
20 If a process ever sets the DSC 20 If a process ever sets the DSCR (via direct access to the
21 SPR) that value will be persis 21 SPR) that value will be persisted for that process and used
22 on any CPU where it executes ( 22 on any CPU where it executes (overriding the value described
23 here). 23 here).
24 If set by a process it will be 24 If set by a process it will be inherited by child processes.
25 Values: 64 bit unsigned integer (bit f 25 Values: 64 bit unsigned integer (bit field)
26 <<
27 What: /sys/devices/system/cpu/cpuX/t <<
28 Description: physical package id of cpuX. T <<
29 socket number, but the actual <<
30 dependent. <<
31 Values: integer <<
32 <<
33 What: /sys/devices/system/cpu/cpuX/t <<
34 Description: the CPU die ID of cpuX. Typica <<
35 identifier (rather than the ke <<
36 architecture and platform depe <<
37 Values: integer <<
38 <<
39 What: /sys/devices/system/cpu/cpuX/t <<
40 Description: the CPU core ID of cpuX. Typic <<
41 identifier (rather than the ke <<
42 architecture and platform depe <<
43 Values: integer <<
44 <<
45 What: /sys/devices/system/cpu/cpuX/t <<
46 Description: the cluster ID of cpuX. Typic <<
47 identifier (rather than the ke <<
48 architecture and platform depe <<
49 Values: integer <<
50 <<
51 What: /sys/devices/system/cpu/cpuX/t <<
52 Description: the book ID of cpuX. Typically <<
53 identifier (rather than the ke <<
54 architecture and platform depe <<
55 Values: integer <<
56 <<
57 What: /sys/devices/system/cpu/cpuX/t <<
58 Description: the drawer ID of cpuX. Typical <<
59 identifier (rather than the ke <<
60 architecture and platform depe <<
61 Values: integer <<
62 <<
63 What: /sys/devices/system/cpu/cpuX/t <<
64 Description: internal kernel map of CPUs wi <<
65 (deprecated name: "thread_sibl <<
66 Values: hexadecimal bitmask. <<
67 <<
68 What: /sys/devices/system/cpu/cpuX/t <<
69 Description: human-readable list of CPUs wi <<
70 The format is like 0-3, 8-11, <<
71 (deprecated name: "thread_sibl <<
72 Values: decimal list. <<
73 <<
74 What: /sys/devices/system/cpu/cpuX/t <<
75 Description: internal kernel map of the CPU <<
76 (deprecated name: "core_siblin <<
77 Values: hexadecimal bitmask. <<
78 <<
79 What: /sys/devices/system/cpu/cpuX/t <<
80 Description: human-readable list of CPUs sh <<
81 The format is like 0-3, 8-11, <<
82 (deprecated name: "core_siblin <<
83 Values: decimal list. <<
84 <<
85 What: /sys/devices/system/cpu/cpuX/t <<
86 Description: internal kernel map of CPUs wi <<
87 Values: hexadecimal bitmask. <<
88 <<
89 What: /sys/devices/system/cpu/cpuX/t <<
90 Description: per-socket protected processor <<
91 Values: hexadecimal. <<
92 <<
93 What: /sys/devices/system/cpu/cpuX/t <<
94 Description: human-readable list of CPUs wi <<
95 The format is like 0-3, 8-11, <<
96 Values: decimal list. <<
97 <<
98 What: /sys/devices/system/cpu/cpuX/t <<
99 Description: internal kernel map of CPUs wi <<
100 Values: hexadecimal bitmask. <<
101 <<
102 What: /sys/devices/system/cpu/cpuX/t <<
103 Description: human-readable list of CPUs wi <<
104 The format is like 0-3, 8-11, <<
105 Values: decimal list. <<
106 <<
107 What: /sys/devices/system/cpu/cpuX/t <<
108 Description: internal kernel map of cpuX's <<
109 book_id. it's only used on s39 <<
110 Values: hexadecimal bitmask. <<
111 <<
112 What: /sys/devices/system/cpu/cpuX/t <<
113 Description: human-readable list of cpuX's <<
114 book_id. <<
115 The format is like 0-3, 8-11, <<
116 Values: decimal list. <<
117 <<
118 What: /sys/devices/system/cpu/cpuX/t <<
119 Description: internal kernel map of cpuX's <<
120 drawer_id. it's only used on s <<
121 Values: hexadecimal bitmask. <<
122 <<
123 What: /sys/devices/system/cpu/cpuX/t <<
124 Description: human-readable list of cpuX's <<
125 drawer_id. <<
126 The format is like 0-3, 8-11, <<
127 Values: decimal list. <<
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