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/cpuX/
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 written to the file to remove CPU's
56 What: /sys/devices/system/cpu/cpuX/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/cpuX/topology/core_siblings
71 /sys/devices/system/cpu/cpuX/topology/core_siblings_list
72 /sys/devices/system/cpu/cpuX/topology/physical_package_id
73 /sys/devices/system/cpu/cpuX/topology/thread_siblings
74 /sys/devices/system/cpu/cpuX/topology/thread_siblings_list
75 /sys/devices/system/cpu/cpuX/topology/ppin
78 Description: CPU topology files that describe a logical CPU's relationship
81 One cpuX directory is created per logical CPU in the system,
82 e.g. /sys/devices/system/cpu/cpu42/.
89 core_siblings_list: human-readable list of the logical CPU
103 Number of the socket the cpu# belongs to. There should be
110 What: /sys/devices/system/cpu/cpuidle/available_governors
111 /sys/devices/system/cpu/cpuidle/current_driver
112 /sys/devices/system/cpu/cpuidle/current_governor
113 /sys/devices/system/cpu/cpuidle/current_governer_ro
139 What: /sys/devices/system/cpu/cpuX/cpuidle/state<N>/name
140 /sys/devices/system/cpu/cpuX/cpuidle/stateN/latency
141 /sys/devices/system/cpu/cpuX/cpuidle/stateN/power
142 /sys/devices/system/cpu/cpuX/cpuidle/stateN/time
143 /sys/devices/system/cpu/cpuX/cpuidle/stateN/usage
144 /sys/devices/system/cpu/cpuX/cpuidle/stateN/above
145 /sys/devices/system/cpu/cpuX/cpuidle/stateN/below
150 The directory /sys/devices/system/cpu/cpuX/cpuidle contains per
151 logical CPU specific cpuidle information for each online cpu X.
170 observed CPU idle duration was too short for it
174 observed CPU idle duration was too long for it
178 What: /sys/devices/system/cpu/cpuX/cpuidle/state<N>/desc
186 What: /sys/devices/system/cpu/cpuX/cpuidle/state<N>/disable
199 What: /sys/devices/system/cpu/cpuX/cpuidle/state<N>/default_status
206 What: /sys/devices/system/cpu/cpuX/cpuidle/state<N>/residency
212 time (in microseconds) this cpu should spend in this idle state
215 What: /sys/devices/system/cpu/cpuX/cpuidle/state<N>/s2idle/
225 What: /sys/devices/system/cpu/cpuX/cpuidle/state<N>/s2idle/time
230 Total time spent by the CPU in suspend-to-idle (with scheduler
233 What: /sys/devices/system/cpu/cpuX/cpuidle/state<N>/s2idle/usage
238 Total number of times this state has been requested by the CPU
241 What: /sys/devices/system/cpu/cpuX/cpufreq/*
249 the CPU consumes.
253 See files in Documentation/cpu-freq/ for more information.
256 What: /sys/devices/system/cpu/cpuX/cpufreq/freqdomain_cpus
259 Description: Discover CPUs in the same CPU frequency coordination domain
272 What: /sys/devices/system/cpu/cpu*/cache/index3/cache_disable_{0,1}
278 These files exist in every CPU's cache/index3 directory. Each
292 What: /sys/devices/system/cpu/cpufreq/boost
298 Boosting allows the CPU and the firmware to run at a frequency
305 What: /sys/devices/system/cpu/cpuX/crash_notes
306 /sys/devices/system/cpu/cpuX/crash_notes_size
317 What: /sys/devices/system/cpu/intel_pstate/max_perf_pct
318 /sys/devices/system/cpu/intel_pstate/min_perf_pct
319 /sys/devices/system/cpu/intel_pstate/no_turbo
341 What: /sys/devices/system/cpu/cpu*/cache/index*/<set_of_attributes_mentioned_below>
345 Description: Parameters for the CPU cache attributes
375 logical cpu mask containing the list of cpus sharing
400 What: /sys/devices/system/cpu/cpu*/cache/index*/id
415 What: /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats
416 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/turbo_stat
417 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/sub_turbo_stat
418 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/unthrottle
419 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/powercap
420 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/overtemp
421 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/supply_fault
422 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/overcurrent
423 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/occ_reset
430 'cpuX/cpufreq/throttle_stats' directory contains the CPU frequency
431 throttle stat attributes for the chip. The throttle stats of a cpu
450 frequency is throttled due to 'CPU Over Temperature'.
465 What: /sys/devices/system/cpu/cpufreq/policyX/throttle_stats
466 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/turbo_stat
467 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/sub_turbo_stat
468 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/unthrottle
469 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/powercap
470 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/overtemp
471 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/supply_fault
472 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/overcurrent
473 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/occ_reset
481 the /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats directory and
484 What: /sys/devices/system/cpu/cpuX/regs/
485 /sys/devices/system/cpu/cpuX/regs/identification/
486 /sys/devices/system/cpu/cpuX/regs/identification/midr_el1
487 /sys/devices/system/cpu/cpuX/regs/identification/revidr_el1
488 /sys/devices/system/cpu/cpuX/regs/identification/smidr_el1
491 Description: AArch64 CPU registers
493 'identification' directory exposes the CPU ID registers for
494 identifying model and revision of the CPU and SMCU.
496 What: /sys/devices/system/cpu/aarch32_el0
501 /sys/devices/system/cpu/{offline,online,possible,present} is used.
505 What: /sys/devices/system/cpu/cpuX/cpu_capacity
512 What: /sys/devices/system/cpu/vulnerabilities
513 /sys/devices/system/cpu/vulnerabilities/gather_data_sampling
514 /sys/devices/system/cpu/vulnerabilities/itlb_multihit
515 /sys/devices/system/cpu/vulnerabilities/l1tf
516 /sys/devices/system/cpu/vulnerabilities/mds
517 /sys/devices/system/cpu/vulnerabilities/meltdown
518 /sys/devices/system/cpu/vulnerabilities/mmio_stale_data
519 /sys/devices/system/cpu/vulnerabilities/retbleed
520 /sys/devices/system/cpu/vulnerabilities/spec_store_bypass
521 /sys/devices/system/cpu/vulnerabilities/spectre_v1
522 /sys/devices/system/cpu/vulnerabilities/spectre_v2
523 /sys/devices/system/cpu/vulnerabilities/srbds
524 /sys/devices/system/cpu/vulnerabilities/tsx_async_abort
527 Description: Information about CPU vulnerabilities
529 The files are named after the code names of CPU
534 "Not affected" CPU is not affected by the vulnerability
535 "Vulnerable" CPU is affected and no mitigation in effect
536 "Mitigation: $M" CPU is affected and mitigation $M is in effect
541 What: /sys/devices/system/cpu/smt
542 /sys/devices/system/cpu/smt/active
543 /sys/devices/system/cpu/smt/control
558 "notsupported" SMT is not supported by the CPU
566 What: /sys/devices/system/cpu/cpuX/power/energy_perf_bias
571 EPB for the given CPU in a sliding scale 0 - 15, where a value
575 In order to change the EPB value for the CPU, write either
584 What: /sys/devices/system/cpu/umwait_control
585 /sys/devices/system/cpu/umwait_control/enable_c02
586 /sys/devices/system/cpu/umwait_control/max_time
602 in TSC-quanta that the CPU can reside in either C0.1
607 What: /sys/devices/system/cpu/svm
617 What: /sys/devices/system/cpu/cpuX/purr
620 Description: PURR ticks for this CPU since the system boot.
624 resources used by the CPU thread. The contents of this
628 What: /sys/devices/system/cpu/cpuX/spurr
631 Description: SPURR ticks for this CPU since the system boot.
635 invariant estimate of the resources used by the CPU
640 What: /sys/devices/system/cpu/cpuX/idle_purr
648 What: /sys/devices/system/cpu/cpuX/idle_spurr
656 What: /sys/devices/system/cpu/cpuX/mte_tcf_preferred
663 be preferred when scheduling a task on that CPU. Possible
674 What: /sys/devices/system/cpu/nohz_full
681 What: /sys/devices/system/cpu/isolated
689 What: /sys/devices/system/cpu/crash_hotplug
694 modifying the crash elfcorehdr for CPU hot un/plug and/or