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
114 /sys/devices/system/cpu/cpuidle/intel_c1_demotion
144 What: /sys/devices/system/cpu/cpuX/cpuidle/state<N>/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.
175 observed CPU idle duration was too short for it
179 observed CPU idle duration was too long for it
183 What: /sys/devices/system/cpu/cpuX/cpuidle/state<N>/desc
191 What: /sys/devices/system/cpu/cpuX/cpuidle/state<N>/disable
204 What: /sys/devices/system/cpu/cpuX/cpuidle/state<N>/default_status
211 What: /sys/devices/system/cpu/cpuX/cpuidle/state<N>/residency
217 time (in microseconds) this cpu should spend in this idle state
220 What: /sys/devices/system/cpu/cpuX/cpuidle/state<N>/s2idle/
230 What: /sys/devices/system/cpu/cpuX/cpuidle/state<N>/s2idle/time
235 Total time spent by the CPU in suspend-to-idle (with scheduler
238 What: /sys/devices/system/cpu/cpuX/cpuidle/state<N>/s2idle/usage
243 Total number of times this state has been requested by the CPU
246 What: /sys/devices/system/cpu/cpuX/cpufreq/*
254 the CPU consumes.
258 See files in Documentation/cpu-freq/ for more information.
261 What: /sys/devices/system/cpu/cpuX/cpufreq/freqdomain_cpus
264 Description: Discover CPUs in the same CPU frequency coordination domain
276 What: /sys/devices/system/cpu/cpuX/cpufreq/auto_select
291 What: /sys/devices/system/cpu/cpuX/cpufreq/auto_act_window
314 What: /sys/devices/system/cpu/cpuX/cpufreq/energy_performance_preference_val
331 What: /sys/devices/system/cpu/cpu*/cache/index3/cache_disable_{0,1}
337 These files exist in every CPU's cache/index3 directory. Each
351 What: /sys/devices/system/cpu/cpufreq/boost
357 Boosting allows the CPU and the firmware to run at a frequency
364 What: /sys/devices/system/cpu/cpuX/crash_notes
365 /sys/devices/system/cpu/cpuX/crash_notes_size
376 What: /sys/devices/system/cpu/intel_pstate/max_perf_pct
377 /sys/devices/system/cpu/intel_pstate/min_perf_pct
378 /sys/devices/system/cpu/intel_pstate/no_turbo
400 What: /sys/devices/system/cpu/cpu*/cache/index*/<set_of_attributes_mentioned_below>
404 Description: Parameters for the CPU cache attributes
434 logical cpu mask containing the list of cpus sharing
459 What: /sys/devices/system/cpu/cpu*/cache/index*/id
474 What: /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats
475 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/turbo_stat
476 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/sub_turbo_stat
477 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/unthrottle
478 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/powercap
479 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/overtemp
480 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/supply_fault
481 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/overcurrent
482 /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/occ_reset
489 'cpuX/cpufreq/throttle_stats' directory contains the CPU frequency
490 throttle stat attributes for the chip. The throttle stats of a cpu
509 frequency is throttled due to 'CPU Over Temperature'.
524 What: /sys/devices/system/cpu/cpufreq/policyX/throttle_stats
525 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/turbo_stat
526 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/sub_turbo_stat
527 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/unthrottle
528 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/powercap
529 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/overtemp
530 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/supply_fault
531 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/overcurrent
532 /sys/devices/system/cpu/cpufreq/policyX/throttle_stats/occ_reset
540 the /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats directory and
543 What: /sys/devices/system/cpu/cpuX/regs/
544 /sys/devices/system/cpu/cpuX/regs/identification/
545 /sys/devices/system/cpu/cpuX/regs/identification/midr_el1
546 /sys/devices/system/cpu/cpuX/regs/identification/revidr_el1
547 /sys/devices/system/cpu/cpuX/regs/identification/aidr_el1
548 /sys/devices/system/cpu/cpuX/regs/identification/smidr_el1
551 Description: AArch64 CPU registers
553 'identification' directory exposes the CPU ID registers for
554 identifying model and revision of the CPU and SMCU.
556 What: /sys/devices/system/cpu/aarch32_el0
561 /sys/devices/system/cpu/{offline,online,possible,present} is used.
565 What: /sys/devices/system/cpu/cpuX/cpu_capacity
572 What: /sys/devices/system/cpu/vulnerabilities
573 /sys/devices/system/cpu/vulnerabilities/gather_data_sampling
574 /sys/devices/system/cpu/vulnerabilities/indirect_target_selection
575 /sys/devices/system/cpu/vulnerabilities/itlb_multihit
576 /sys/devices/system/cpu/vulnerabilities/l1tf
577 /sys/devices/system/cpu/vulnerabilities/mds
578 /sys/devices/system/cpu/vulnerabilities/meltdown
579 /sys/devices/system/cpu/vulnerabilities/mmio_stale_data
580 /sys/devices/system/cpu/vulnerabilities/old_microcode
581 /sys/devices/system/cpu/vulnerabilities/reg_file_data_sampling
582 /sys/devices/system/cpu/vulnerabilities/retbleed
583 /sys/devices/system/cpu/vulnerabilities/spec_store_bypass
584 /sys/devices/system/cpu/vulnerabilities/spectre_v1
585 /sys/devices/system/cpu/vulnerabilities/spectre_v2
586 /sys/devices/system/cpu/vulnerabilities/srbds
587 /sys/devices/system/cpu/vulnerabilities/tsa
588 /sys/devices/system/cpu/vulnerabilities/tsx_async_abort
591 Description: Information about CPU vulnerabilities
593 The files are named after the code names of CPU
598 "Not affected" CPU is not affected by the vulnerability
599 "Vulnerable" CPU is affected and no mitigation in effect
600 "Mitigation: $M" CPU is affected and mitigation $M is in effect
605 What: /sys/devices/system/cpu/smt
606 /sys/devices/system/cpu/smt/active
607 /sys/devices/system/cpu/smt/control
622 "notsupported" SMT is not supported by the CPU
631 What: /sys/devices/system/cpu/cpuX/power/energy_perf_bias
636 EPB for the given CPU in a sliding scale 0 - 15, where a value
640 In order to change the EPB value for the CPU, write either
649 What: /sys/devices/system/cpu/umwait_control
650 /sys/devices/system/cpu/umwait_control/enable_c02
651 /sys/devices/system/cpu/umwait_control/max_time
667 in TSC-quanta that the CPU can reside in either C0.1
672 What: /sys/devices/system/cpu/sev
673 /sys/devices/system/cpu/sev/vmpl
684 What: /sys/devices/system/cpu/svm
694 What: /sys/devices/system/cpu/cpuX/purr
697 Description: PURR ticks for this CPU since the system boot.
701 resources used by the CPU thread. The contents of this
705 What: /sys/devices/system/cpu/cpuX/spurr
708 Description: SPURR ticks for this CPU since the system boot.
712 invariant estimate of the resources used by the CPU
717 What: /sys/devices/system/cpu/cpuX/idle_purr
725 What: /sys/devices/system/cpu/cpuX/idle_spurr
733 What: /sys/devices/system/cpu/cpuX/mte_tcf_preferred
740 be preferred when scheduling a task on that CPU. Possible
751 What: /sys/devices/system/cpu/nohz_full
758 What: /sys/devices/system/cpu/isolated
766 What: /sys/devices/system/cpu/crash_hotplug
774 What: /sys/devices/system/cpu/enabled