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
143 What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/name
144 /sys/devices/system/cpu/cpuX/cpuidle/stateN/latency
145 /sys/devices/system/cpu/cpuX/cpuidle/stateN/power
146 /sys/devices/system/cpu/cpuX/cpuidle/stateN/time
147 /sys/devices/system/cpu/cpuX/cpuidle/stateN/usage
152 The directory /sys/devices/system/cpu/cpuX/cpuidle contains per
153 logical CPU specific cpuidle information for each online cpu X.
170 What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/desc
178 What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/disable
192 What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/residency
198 time (in microseconds) this cpu should spend in this idle state
201 What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/s2idle/
211 What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/s2idle/time
216 Total time spent by the CPU in suspend-to-idle (with scheduler
219 What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/s2idle/usage
224 Total number of times this state has been requested by the CPU
227 What: /sys/devices/system/cpu/cpu#/cpufreq/*
235 the CPU consumes.
239 See files in Documentation/cpu-freq/ for more information.
242 What: /sys/devices/system/cpu/cpu#/cpufreq/freqdomain_cpus
245 Description: Discover CPUs in the same CPU frequency coordination domain
257 What: /sys/devices/system/cpu/cpu*/cache/index3/cache_disable_{0,1}
263 These files exist in every CPU's cache/index3 directory. Each
277 What: /sys/devices/system/cpu/cpufreq/boost
283 Boosting allows the CPU and the firmware to run at a frequency
289 What: /sys/devices/system/cpu/cpu#/crash_notes
290 /sys/devices/system/cpu/cpu#/crash_notes_size
296 note of cpu#.
298 crash_notes_size: size of the note of cpu#.
301 What: /sys/devices/system/cpu/intel_pstate/max_perf_pct
302 /sys/devices/system/cpu/intel_pstate/min_perf_pct
303 /sys/devices/system/cpu/intel_pstate/no_turbo
325 What: /sys/devices/system/cpu/cpu*/cache/index*/<set_of_attributes_mentioned_below>
329 Description: Parameters for the CPU cache attributes
352 shared_cpu_map: logical cpu mask containing the list of cpus sharing
373 What: /sys/devices/system/cpu/cpu*/cache/index*/id
388 What: /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats
389 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/turbo_stat
390 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/sub_turbo_stat
391 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/unthrottle
392 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/powercap
393 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/overtemp
394 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/supply_fault
395 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/overcurrent
396 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/occ_reset
403 'cpuX/cpufreq/throttle_stats' directory contains the CPU frequency
404 throttle stat attributes for the chip. The throttle stats of a cpu
423 frequency is throttled due to 'CPU Over Temperature'.
438 What: /sys/devices/system/cpu/cpufreq/policyX/throttle_stats
439 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/turbo_stat
440 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/sub_turbo_stat
441 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/unthrottle
442 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/powercap
443 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/overtemp
444 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/supply_fault
445 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/overcurrent
446 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/occ_reset
454 the /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats directory and
457 What: /sys/devices/system/cpu/cpuX/regs/
458 /sys/devices/system/cpu/cpuX/regs/identification/
459 /sys/devices/system/cpu/cpuX/regs/identification/midr_el1
460 /sys/devices/system/cpu/cpuX/regs/identification/revidr_el1
463 Description: AArch64 CPU registers
464 'identification' directory exposes the CPU ID registers for
465 identifying model and revision of the CPU.
467 What: /sys/devices/system/cpu/cpu#/cpu_capacity
472 cpu_capacity: capacity of cpu#.
474 What: /sys/devices/system/cpu/vulnerabilities
475 /sys/devices/system/cpu/vulnerabilities/meltdown
476 /sys/devices/system/cpu/vulnerabilities/spectre_v1
477 /sys/devices/system/cpu/vulnerabilities/spectre_v2
478 /sys/devices/system/cpu/vulnerabilities/spec_store_bypass
479 /sys/devices/system/cpu/vulnerabilities/l1tf
480 /sys/devices/system/cpu/vulnerabilities/mds
481 /sys/devices/system/cpu/vulnerabilities/srbds
482 /sys/devices/system/cpu/vulnerabilities/tsx_async_abort
483 /sys/devices/system/cpu/vulnerabilities/itlb_multihit
486 Description: Information about CPU vulnerabilities
488 The files are named after the code names of CPU
492 "Not affected" CPU is not affected by the vulnerability
493 "Vulnerable" CPU is affected and no mitigation in effect
494 "Mitigation: $M" CPU is affected and mitigation $M is in effect
498 What: /sys/devices/system/cpu/smt
499 /sys/devices/system/cpu/smt/active
500 /sys/devices/system/cpu/smt/control
513 "notsupported" SMT is not supported by the CPU