Lines Matching full:cpu
1 What: /sys/devices/system/cpu/
5 A collection of both global and individual CPU attributes
7 Individual CPU attributes are contained in subdirectories
8 named by the kernel's logical CPU number, e.g.:
10 /sys/devices/system/cpu/cpu#/
12 What: /sys/devices/system/cpu/kernel_max
13 /sys/devices/system/cpu/offline
14 /sys/devices/system/cpu/online
15 /sys/devices/system/cpu/possible
16 /sys/devices/system/cpu/present
19 Description: CPU topology files that describe kernel limits related to
22 kernel_max: the maximum cpu index allowed by the kernel
40 What: /sys/devices/system/cpu/probe
41 /sys/devices/system/cpu/release
44 Description: Dynamic addition and removal of CPU's. This is not hotplug
45 removal, this is meant complete removal/addition of the CPU
48 probe: writes to this file will dynamically add a CPU to the
49 system. Information written to the file to add CPU's is
52 release: writes to this file dynamically remove a CPU from
53 the system. Information writtento the file to remove CPU's
56 What: /sys/devices/system/cpu/cpu#/node
59 Description: Discover NUMA node a CPU belongs to
67 /sys/devices/system/cpu/cpu42/node2 -> ../../node/node2
70 What: /sys/devices/system/cpu/cpu#/topology/core_id
71 /sys/devices/system/cpu/cpu#/topology/core_siblings
72 /sys/devices/system/cpu/cpu#/topology/core_siblings_list
73 /sys/devices/system/cpu/cpu#/topology/physical_package_id
74 /sys/devices/system/cpu/cpu#/topology/thread_siblings
75 /sys/devices/system/cpu/cpu#/topology/thread_siblings_list
78 Description: CPU topology files that describe a logical CPU's relationship
81 One cpu# directory is created per logical CPU in the system,
82 e.g. /sys/devices/system/cpu/cpu42/.
86 core_id: the CPU core ID of cpu#. Typically it is the
90 core_siblings: internal kernel map of cpu#'s hardware threads
93 core_siblings_list: human-readable list of the logical CPU
94 numbers within the same physical_package_id as cpu#.
96 physical_package_id: physical package id of cpu#. Typically
100 thread_siblings: internel kernel map of cpu#'s hardware
101 threads within the same core as cpu#
103 thread_siblings_list: human-readable list of cpu#'s hardware
104 threads within the same core as cpu#
109 What: /sys/devices/system/cpu/cpuidle/current_driver
110 /sys/devices/system/cpu/cpuidle/current_governer_ro
111 /sys/devices/system/cpu/cpuidle/available_governors
112 /sys/devices/system/cpu/cpuidle/current_governor
144 What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/name
145 /sys/devices/system/cpu/cpuX/cpuidle/stateN/latency
146 /sys/devices/system/cpu/cpuX/cpuidle/stateN/power
147 /sys/devices/system/cpu/cpuX/cpuidle/stateN/time
148 /sys/devices/system/cpu/cpuX/cpuidle/stateN/usage
149 /sys/devices/system/cpu/cpuX/cpuidle/stateN/above
150 /sys/devices/system/cpu/cpuX/cpuidle/stateN/below
155 The directory /sys/devices/system/cpu/cpuX/cpuidle contains per
156 logical CPU specific cpuidle information for each online cpu X.
173 observed CPU idle duration was too short for it (a count).
176 observed CPU idle duration was too long for it (a count).
178 What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/desc
186 What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/disable
200 What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/residency
206 time (in microseconds) this cpu should spend in this idle state
209 What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/s2idle/
219 What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/s2idle/time
224 Total time spent by the CPU in suspend-to-idle (with scheduler
227 What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/s2idle/usage
232 Total number of times this state has been requested by the CPU
235 What: /sys/devices/system/cpu/cpu#/cpufreq/*
243 the CPU consumes.
247 See files in Documentation/cpu-freq/ for more information.
250 What: /sys/devices/system/cpu/cpu#/cpufreq/freqdomain_cpus
253 Description: Discover CPUs in the same CPU frequency coordination domain
265 What: /sys/devices/system/cpu/cpu*/cache/index3/cache_disable_{0,1}
271 These files exist in every CPU's cache/index3 directory. Each
285 What: /sys/devices/system/cpu/cpufreq/boost
291 Boosting allows the CPU and the firmware to run at a frequency
297 What: /sys/devices/system/cpu/cpu#/crash_notes
298 /sys/devices/system/cpu/cpu#/crash_notes_size
304 note of cpu#.
306 crash_notes_size: size of the note of cpu#.
309 What: /sys/devices/system/cpu/intel_pstate/max_perf_pct
310 /sys/devices/system/cpu/intel_pstate/min_perf_pct
311 /sys/devices/system/cpu/intel_pstate/no_turbo
333 What: /sys/devices/system/cpu/cpu*/cache/index*/<set_of_attributes_mentioned_below>
337 Description: Parameters for the CPU cache attributes
360 shared_cpu_map: logical cpu mask containing the list of cpus sharing
381 What: /sys/devices/system/cpu/cpu*/cache/index*/id
396 What: /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats
397 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/turbo_stat
398 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/sub_turbo_stat
399 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/unthrottle
400 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/powercap
401 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/overtemp
402 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/supply_fault
403 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/overcurrent
404 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/occ_reset
411 'cpuX/cpufreq/throttle_stats' directory contains the CPU frequency
412 throttle stat attributes for the chip. The throttle stats of a cpu
431 frequency is throttled due to 'CPU Over Temperature'.
446 What: /sys/devices/system/cpu/cpufreq/policyX/throttle_stats
447 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/turbo_stat
448 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/sub_turbo_stat
449 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/unthrottle
450 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/powercap
451 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/overtemp
452 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/supply_fault
453 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/overcurrent
454 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/occ_reset
462 the /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats directory and
465 What: /sys/devices/system/cpu/cpuX/regs/
466 /sys/devices/system/cpu/cpuX/regs/identification/
467 /sys/devices/system/cpu/cpuX/regs/identification/midr_el1
468 /sys/devices/system/cpu/cpuX/regs/identification/revidr_el1
471 Description: AArch64 CPU registers
472 'identification' directory exposes the CPU ID registers for
473 identifying model and revision of the CPU.
475 What: /sys/devices/system/cpu/cpu#/cpu_capacity
480 cpu_capacity: capacity of cpu#.
482 What: /sys/devices/system/cpu/vulnerabilities
483 /sys/devices/system/cpu/vulnerabilities/meltdown
484 /sys/devices/system/cpu/vulnerabilities/spectre_v1
485 /sys/devices/system/cpu/vulnerabilities/spectre_v2
486 /sys/devices/system/cpu/vulnerabilities/spec_store_bypass
487 /sys/devices/system/cpu/vulnerabilities/l1tf
488 /sys/devices/system/cpu/vulnerabilities/mds
489 /sys/devices/system/cpu/vulnerabilities/tsx_async_abort
490 /sys/devices/system/cpu/vulnerabilities/itlb_multihit
493 Description: Information about CPU vulnerabilities
495 The files are named after the code names of CPU
499 "Not affected" CPU is not affected by the vulnerability
500 "Vulnerable" CPU is affected and no mitigation in effect
501 "Mitigation: $M" CPU is affected and mitigation $M is in effect
505 What: /sys/devices/system/cpu/smt
506 /sys/devices/system/cpu/smt/active
507 /sys/devices/system/cpu/smt/control
520 "notsupported" SMT is not supported by the CPU
527 What: /sys/devices/system/cpu/cpu#/power/energy_perf_bias
532 EPB for the given CPU in a sliding scale 0 - 15, where a value
536 In order to change the EPB value for the CPU, write either
545 What: /sys/devices/system/cpu/umwait_control
546 /sys/devices/system/cpu/umwait_control/enable_c02
547 /sys/devices/system/cpu/umwait_control/max_time
563 in TSC-quanta that the CPU can reside in either C0.1
568 What: /sys/devices/system/cpu/svm