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/linux/drivers/power/supply/
H A Dsamsung-sdi-battery.c428 * so this represents the capacity ratio at different temperatures.
446 * Capacity tables for different Open Circuit Voltages (OCV).
451 { .ocv = 4330000, .capacity = 100},
452 { .ocv = 4320000, .capacity = 99},
453 { .ocv = 4283000, .capacity = 95},
454 { .ocv = 4246000, .capacity = 92},
455 { .ocv = 4211000, .capacity = 89},
456 { .ocv = 4167000, .capacity = 85},
457 { .ocv = 4146000, .capacity = 83},
458 { .ocv = 4124000, .capacity = 81},
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H A Dab8500_bmdata.c20 { .ocv = 4186000, .capacity = 100},
21 { .ocv = 4163000, .capacity = 99},
22 { .ocv = 4114000, .capacity = 95},
23 { .ocv = 4068000, .capacity = 90},
24 { .ocv = 3990000, .capacity = 80},
25 { .ocv = 3926000, .capacity = 70},
26 { .ocv = 3898000, .capacity = 65},
27 { .ocv = 3866000, .capacity = 60},
28 { .ocv = 3833000, .capacity = 55},
29 { .ocv = 3812000, .capacity = 50},
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/linux/Documentation/scheduler/
H A Dsched-capacity.rst2 Capacity Aware Scheduling
5 1. CPU Capacity
16 CPU capacity is a measure of the performance a CPU can reach, normalized against
18 asymmetric CPU capacity systems, as they contain CPUs of different capacities.
20 Disparity in maximum attainable performance (IOW in maximum CPU capacity) stems
36 capacity(cpu) = work_per_hz(cpu) * max_freq(cpu)
41 Two different capacity values are used within the scheduler. A CPU's
42 ``original capacity`` is its maximum attainable capacity, i.e. its maximum
43 attainable performance level. This original capacity is returned by
44 the function arch_scale_cpu_capacity(). A CPU's ``capacity`` is its ``original
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/linux/Documentation/translations/zh_CN/scheduler/
H A Dsched-capacity.rst4 :Original: Documentation/scheduler/sched-capacity.rst
27 我们引入CPU算力（capacity）的概念来测量每个CPU能达到的性能，它的值相对系统中性能最强的CPU
42 capacity(cpu) = work_per_hz(cpu) * max_freq(cpu)
48 CPU的 ``capacity`` 是 ``capacity_orig`` 扣除了一些性能损失（比如处理中断的耗时）的值。
50 注意CPU的 ``capacity`` 仅仅被设计用于CFS调度类，而 ``capacity_orig`` 是不感知调度类的。为
51 简洁起见，本文档的剩余部分将不加区分的使用术语 ``capacity`` 和 ``capacity_orig`` 。
67 - capacity(CPU0) = C
68 - capacity(CPU1) = C/2
98 - capacity(CPU0) = C
99 - capacity(CPU1) = C/3
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/linux/arch/arm/kernel/
H A Dtopology.c34 * cpu capacity scale management
38 * cpu capacity table
39 * This per cpu data structure describes the relative capacity of each core.
40 * On a heteregenous system, cores don't have the same computation capacity
61 * is used to compute the capacity of a CPU.
82 * 'average' CPU is of middle capacity. Also see the comments near
91 unsigned long capacity = 0; in parse_dt_topology() local
128 capacity = ((be32_to_cpup(rate)) >> 20) * cpu_eff->efficiency; in parse_dt_topology()
130 /* Save min capacity of the system */ in parse_dt_topology()
131 if (capacity < min_capacity) in parse_dt_topology()
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/linux/Documentation/devicetree/bindings/cpu/
H A Dcpu-capacity.txt2 CPU capacity bindings
15 2 - CPU capacity definition
18 CPU capacity is a number that provides the scheduler information about CPUs
27 final capacity should, however, be:
43 3 - capacity-dmips-mhz
46 capacity-dmips-mhz is an optional cpu node [1] property: u32 value
47 representing CPU capacity expressed in normalized DMIPS/MHz. At boot time, the
48 maximum frequency available to the cpu is then used to calculate the capacity
51 capacity-dmips-mhz property is all-or-nothing: if it is specified for a cpu
53 fall back to the default capacity value for every CPU. If cpufreq is not
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/linux/drivers/misc/vmw_vmci/
H A Dvmci_handle_array.c11 struct vmci_handle_arr *vmci_handle_arr_create(u32 capacity, u32 max_capacity) in vmci_handle_arr_create() argument
15 if (max_capacity == 0 || capacity > max_capacity) in vmci_handle_arr_create()
18 if (capacity == 0) in vmci_handle_arr_create()
19 capacity = min((u32)VMCI_HANDLE_ARRAY_DEFAULT_CAPACITY, in vmci_handle_arr_create()
22 array = kmalloc(struct_size(array, entries, capacity), GFP_ATOMIC); in vmci_handle_arr_create()
26 array->capacity = capacity; in vmci_handle_arr_create()
43 if (unlikely(array->size >= array->capacity)) { in vmci_handle_arr_append_entry()
46 u32 capacity_bump = min(array->max_capacity - array->capacity, in vmci_handle_arr_append_entry()
47 array->capacity); in vmci_handle_arr_append_entry()
49 size_add(array->capacity, capacity_bump)); in vmci_handle_arr_append_entry()
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/linux/Documentation/driver-api/cxl/allocation/
H A Dhugepages.rst10 as the NUMA node hosting that capacity will be `Online` at the time CMA
11 carves out contiguous capacity.
14 capacity allocated by CMA - as the NUMA node hosting the capacity is `Offline`
15 at :code:`__init` time - when CMA carves out contiguous capacity.
23 All CXL capacity regardless of configuration time or memory zone is eligible
28 CXL capacity onlined in :code:`ZONE_NORMAL` is eligible for 1GB Gigantic Page
31 CXL capacity onlined in :code:`ZONE_MOVABLE` is not eligible for 1GB Gigantic
H A Dpage-allocator.rst9 allocator based on the selected `Memory Zone` and `NUMA node` the capacity is
24 `local` capacity for that compute node.
29 CXL capacity may be onlined in :code:`ZONE_NORMAL` or :code:`ZONE_MOVABLE`.
46 Let's consider a configuration where the local DRAM capacity is largely onlined
47 into :code:`ZONE_NORMAL`, with no :code:`ZONE_MOVABLE` capacity present. The
48 CXL capacity has the opposite configuration - all onlined in
63 for CXL capacity to be used is via `demotion` in the reclaim path.
66 capacity - when that capacity is depleted, the page allocator will actually
/linux/Documentation/power/
H A Dpower_supply_class.rst61 | **Charge/Energy/Capacity - how to not confuse** |
63 | **Because both "charge" (µAh) and "energy" (µWh) represents "capacity" |
67 | attributes represents capacity in µAh only. |
69 | attributes represents capacity in µWh only. |
70 | - `CAPACITY` |
71 | attribute represents capacity in *percents*, from 0 to 100. |
108 between voltage and battery capacity, but some dumb
109 batteries use voltage for very approximated calculation of capacity.
146 (typically 20% of battery capacity).
151 this setting (typically 10% of battery capacity).
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/linux/Documentation/driver-api/cxl/linux/
H A Dmemory-hotplug.rst32 :code:`ZONE_NORMAL` implies this capacity may be used for almost any allocation,
33 while :code:`ZONE_MOVABLE` implies this capacity should only be used for
37 so that it the entire region may be hot-unplugged at a later time. Any capacity
45 capacity exceeds 64GB. As of v6.15, Linux does not take into account the
52 memory capacity are dictated by the following system settings:
58 capacity will be carved out of the memory block being onlined. This has
62 If either parameter is set to false, :code:`struct folio` for this capacity
64 procedure. This capacity will be allocated from :code:`ZONE_NORMAL` on
69 :code:`ZONE_NORMAL` capacity to host the memory map for the hotplugged capacity.
/linux/Documentation/devicetree/bindings/power/supply/
H A Dbattery.yaml64 description: battery design capacity
99 ocv-capacity-celsius:
102 for each of the battery capacity lookup table.
126 '^ocv-capacity-table-[0-9]+$':
130 of the battery and corresponding battery capacity percent, which is used
131 to look up battery capacity according to current OCV value. And the open
137 - description: battery capacity percent
162 ocv-capacity-celsius = <(-10) 0 10>;
164 ocv-capacity-table-0 = <4185000 100>, <4113000 95>, <4066000 90>;
166 ocv-capacity-table-1 = <4200000 100>, <4185000 95>, <4113000 90>;
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/linux/kernel/cgroup/
H A Dmisc.c37 * Miscellaneous resources capacity for the entire machine. 0 capacity means
40 * root_cg.max and capacity are independent of each other. root_cg.max can be
41 * more than the actual capacity. We are using Limits resource distribution
75 * misc_cg_set_capacity() - Set the capacity of the misc cgroup res.
77 * @capacity: Supported capacity of the misc res on the host.
79 * If capacity is 0 then the charging a misc cgroup fails for that type.
83 * * %0 - Successfully registered the capacity.
86 int misc_cg_set_capacity(enum misc_res_type type, u64 capacity) in misc_cg_set_capacity() argument
91 WRITE_ONCE(misc_res_capacity[type], capacity); in misc_cg_set_capacity()
148 * * -EINVAL - If @type is invalid or misc res has 0 capacity.
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/linux/drivers/scsi/
H A Dsd_zbc.c66 zone.capacity = logical_to_sectors(sdp, get_unaligned_be64(&buf[8])); in sd_zbc_parse_report()
67 zone.len = zone.capacity; in sd_zbc_parse_report()
72 "Invalid zone at LBA %llu with capacity %llu and length %llu; granularity = %llu\n", in sd_zbc_parse_report()
74 sectors_to_logical(sdp, zone.capacity), in sd_zbc_parse_report()
242 if (!sdkp->capacity) in sd_zbc_report_zones()
250 while (zone_idx < nr_zones && lba < sdkp->capacity) { in sd_zbc_report_zones()
462 * sd_zbc_check_capacity - Check the device capacity
467 * Get the device zone size and check that the device capacity as reported
468 * by READ CAPACITY matches the max_lba value (plus one) of the report zones
487 /* The max_lba field is the capacity of this device */ in sd_zbc_check_capacity()
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/linux/drivers/base/
H A Darch_topology.c161 * @cpus : The related CPUs for which capacity has been reduced
176 unsigned long max_capacity, capacity, pressure; in topology_update_hw_pressure() local
189 capacity = max_capacity; in topology_update_hw_pressure()
191 capacity = mult_frac(max_capacity, capped_freq, max_freq); in topology_update_hw_pressure()
193 pressure = max_capacity - capacity; in topology_update_hw_pressure()
236 u64 capacity; in topology_normalize_cpu_scale() local
245 capacity = raw_capacity[cpu] * in topology_normalize_cpu_scale()
247 capacity_scale = max(capacity, capacity_scale); in topology_normalize_cpu_scale()
252 capacity = raw_capacity[cpu] * in topology_normalize_cpu_scale()
254 capacity = div64_u64(capacity << SCHED_CAPACITY_SHIFT, in topology_normalize_cpu_scale()
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/linux/lib/
H A Dobjpool.c24 void *obj = (void *)&slot->entries[pool->capacity]; in objpool_init_percpu_slot()
28 slot->mask = pool->capacity - 1; in objpool_init_percpu_slot()
68 size = struct_size(slot, entries, pool->capacity) + in objpool_init_percpu_slots()
122 int rc, capacity, slot_size; in objpool_init() local
132 /* calculate capacity of percpu objpool_slot */ in objpool_init()
133 capacity = roundup_pow_of_two(nr_objs); in objpool_init()
134 if (!capacity) in objpool_init()
141 pool->capacity = capacity; in objpool_init()
/linux/rust/kernel/alloc/
H A Dkvec.rs79 /// capacity of the vector (the number of elements that currently fit into the vector), its length
97 /// without re-allocation. For ZSTs `self.layout`'s capacity is zero. However, it is legal for the
100 /// - `self.len()` is always less than or equal to `self.capacity()`.
108 /// Note: This isn't quite the same as `Self::capacity`, which in contrast returns the number of
181 pub const fn capacity(&self) -> usize { in capacity() function
199 /// - `additional` must be less than or equal to `self.capacity - self.len`.
204 debug_assert!(additional <= self.capacity() - self.len()); in inc_len()
288 // - `layout` is an empty `ArrayLayout` (zero capacity) in new()
299 /// Returns a slice of `MaybeUninit<T>` for the remaining spare capacity of the vector.
302 // - `self.len` is smaller than `self.capacity` by the type invariant and hence, the in spare_capacity_mut()
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/linux/arch/s390/kernel/
H A Dhiperdispatch.c11 * Dynamically calculates the optimum number of high capacity COREs
13 * that a capacity update is necessary, it schedules a topology update.
19 * determine high capacity CPU count.
33 * of them high capacity.
73 static int hd_high_capacity_cores; /* Current CORE count with high capacity */
78 static unsigned long hd_high_time; /* Total time spent while all cpus have high capacity */
79 static unsigned long hd_low_time; /* Total time spent while vl cpus have low capacity */
160 unsigned long capacity; in hd_update_capacities() local
163 capacity = upscaling_cores > 0 ? CPU_CAPACITY_HIGH : CPU_CAPACITY_LOW; in hd_update_capacities()
166 smp_set_core_capacity(cpu, capacity); in hd_update_capacities()
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/linux/arch/arm/boot/dts/samsung/
H A Dexynos5422-cpus.dtsi65 capacity-dmips-mhz = <539>;
78 capacity-dmips-mhz = <539>;
91 capacity-dmips-mhz = <539>;
104 capacity-dmips-mhz = <539>;
117 capacity-dmips-mhz = <1024>;
130 capacity-dmips-mhz = <1024>;
143 capacity-dmips-mhz = <1024>;
156 capacity-dmips-mhz = <1024>;
H A Dexynos5420-cpus.dtsi66 capacity-dmips-mhz = <1024>;
78 capacity-dmips-mhz = <1024>;
90 capacity-dmips-mhz = <1024>;
102 capacity-dmips-mhz = <1024>;
114 capacity-dmips-mhz = <539>;
126 capacity-dmips-mhz = <539>;
138 capacity-dmips-mhz = <539>;
150 capacity-dmips-mhz = <539>;
/linux/fs/xfs/libxfs/
H A Dxfs_zones.c143 * Check that the zone capacity matches the rtgroup size stored in the in xfs_zone_validate()
145 * uniform capacity. in xfs_zone_validate()
147 if (XFS_BB_TO_FSB(mp, zone->capacity) != g->blocks) { in xfs_zone_validate()
149 "zone %u capacity (0x%llx) does not match RT group size (0x%x).", in xfs_zone_validate()
150 rtg_rgno(rtg), XFS_BB_TO_FSB(mp, zone->capacity), in xfs_zone_validate()
158 if (zone->len != zone->capacity) { in xfs_zone_validate()
160 "zone %u has capacity != size ((0x%llx vs 0x%llx)", in xfs_zone_validate()
163 XFS_BB_TO_FSB(mp, zone->capacity)); in xfs_zone_validate()
/linux/kernel/sched/
H A Dpelt.h16 int update_hw_load_avg(u64 now, struct rq *rq, u64 capacity);
24 update_hw_load_avg(u64 now, struct rq *rq, u64 capacity) in update_hw_load_avg() argument
95 * @ max capacity ------******---------------******---------------
96 * @ half capacity ------************---------************---------
108 * When a rq runs at a lower compute capacity, it will need in update_rq_clock_pelt()
110 * capacity. In order to be invariant, we scale the delta to in update_rq_clock_pelt()
113 * disturb the load signal compared to max capacity. This in update_rq_clock_pelt()
147 * phase would be present at max capacity. As soon as the in update_idle_rq_clock_pelt()
/linux/arch/arm64/boot/dts/qcom/
H A Dsdm660.dtsi90 capacity-dmips-mhz = <1024>;
96 capacity-dmips-mhz = <1024>;
102 capacity-dmips-mhz = <1024>;
108 capacity-dmips-mhz = <1024>;
114 capacity-dmips-mhz = <640>;
120 capacity-dmips-mhz = <640>;
126 capacity-dmips-mhz = <640>;
132 capacity-dmips-mhz = <640>;
/linux/arch/arm64/boot/dts/apple/
H A Dt6002.dtsi78 capacity-dmips-mhz = <714>;
92 capacity-dmips-mhz = <714>;
106 capacity-dmips-mhz = <1024>;
120 capacity-dmips-mhz = <1024>;
134 capacity-dmips-mhz = <1024>;
148 capacity-dmips-mhz = <1024>;
162 capacity-dmips-mhz = <1024>;
176 capacity-dmips-mhz = <1024>;
190 capacity-dmips-mhz = <1024>;
204 capacity-dmips-mhz = <1024>;
/linux/drivers/md/dm-vdo/indexer/
H A Dsparse-cache.c138 u8 capacity; member
156 unsigned int capacity; member
243 (cache->capacity * sizeof(struct cached_chapter_index *))); in make_search_list()
248 list->capacity = cache->capacity; in make_search_list()
251 for (i = 0; i < list->capacity; i++) in make_search_list()
258 int uds_make_sparse_cache(const struct index_geometry *geometry, unsigned int capacity, in uds_make_sparse_cache() argument
266 bytes = (sizeof(struct sparse_cache) + (capacity * sizeof(struct cached_chapter_index))); in uds_make_sparse_cache()
272 cache->capacity = capacity; in uds_make_sparse_cache()
284 for (i = 0; i < capacity; i++) { in uds_make_sparse_cache()
297 result = vdo_allocate(capacity * 2, struct cached_chapter_index *, in uds_make_sparse_cache()
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