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/linux/Documentation/admin-guide/cgroup-v1/
H A Dblkio-controller.rst22 -----------------------------
33 mount -t cgroup -o blkio none /sys/fs/cgroup/blkio
98 --------------------------------
101 Specifies per cgroup weight. This is default weight of the group
102 on all the devices until and unless overridden by per device rule
106 see Documentation/block/bfq-iosched.rst.
109 Specifies per cgroup per device weights, overriding the default group
110 weight. For more details, see Documentation/block/bfq-iosched.rst.
139 Disk time allocated to cgroup per device in milliseconds. First
152 are further divided by the type of operation - read or write, sync
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/linux/tools/perf/pmu-events/arch/x86/broadwellx/
H A Dfloating-point.json3-bit packed double precision floating-point instructions retired; some instructions will count twi…
7-bit packed double precision floating-point instructions retired; some instructions will count twi…
12-bit packed single precision floating-point instructions retired; some instructions will count twi…
16-bit packed single precision floating-point instructions retired; some instructions will count twi…
21-bit packed double precision floating-point instructions retired; some instructions will count twi…
25-bit packed double precision floating-point instructions retired; some instructions will count twi…
30-bit packed single precision floating-point instructions retired; some instructions will count twi…
34-bit packed single precision floating-point instructions retired; some instructions will count twi…
39-bit packed single and 256-bit packed double precision FP instructions retired; some instructions …
43-bit packed single precision and 256-bit packed double precision floating-point instructions reti…
[all …]
/linux/tools/perf/pmu-events/arch/x86/broadwellde/
H A Dfloating-point.json3-bit packed double precision floating-point instructions retired; some instructions will count twi…
7-bit packed double precision floating-point instructions retired; some instructions will count twi…
12-bit packed single precision floating-point instructions retired; some instructions will count twi…
16-bit packed single precision floating-point instructions retired; some instructions will count twi…
21-bit packed double precision floating-point instructions retired; some instructions will count twi…
25-bit packed double precision floating-point instructions retired; some instructions will count twi…
30-bit packed single precision floating-point instructions retired; some instructions will count twi…
34-bit packed single precision floating-point instructions retired; some instructions will count twi…
39-bit packed single and 256-bit packed double precision FP instructions retired; some instructions …
43-bit packed single precision and 256-bit packed double precision floating-point instructions reti…
[all …]
/linux/tools/perf/pmu-events/arch/x86/broadwell/
H A Dfloating-point.json3-bit packed double precision floating-point instructions retired; some instructions will count twi…
7-bit packed double precision floating-point instructions retired; some instructions will count twi…
12-bit packed single precision floating-point instructions retired; some instructions will count twi…
16-bit packed single precision floating-point instructions retired; some instructions will count twi…
21-bit packed double precision floating-point instructions retired; some instructions will count twi…
25-bit packed double precision floating-point instructions retired; some instructions will count twi…
30-bit packed single precision floating-point instructions retired; some instructions will count twi…
34-bit packed single precision floating-point instructions retired; some instructions will count twi…
39-bit packed single and 256-bit packed double precision FP instructions retired; some instructions …
43-bit packed single precision and 256-bit packed double precision floating-point instructions reti…
[all …]
/linux/tools/perf/pmu-events/arch/x86/tigerlake/
H A Dfloating-point.json12-bit packed double precision floating-point instructions retired; some instructions will count twi…
16-bit packed double precision floating-point instructions retired; some instructions will count twi…
21-bit packed single precision floating-point instructions retired; some instructions will count twi…
25-bit packed single precision floating-point instructions retired; some instructions will count twi…
30-bit packed double precision floating-point instructions retired; some instructions will count twi…
34-bit packed double precision floating-point instructions retired; some instructions will count twi…
39-bit packed single precision floating-point instructions retired; some instructions will count twi…
43-bit packed single precision floating-point instructions retired; some instructions will count twi…
48-bit packed single and 256-bit packed double precision FP instructions retired; some instructions …
52-bit packed single precision and 256-bit packed double precision floating-point instructions reti…
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/linux/tools/perf/pmu-events/arch/x86/rocketlake/
H A Dfloating-point.json12-bit packed double precision floating-point instructions retired; some instructions will count twi…
16-bit packed double precision floating-point instructions retired; some instructions will count twi…
21-bit packed single precision floating-point instructions retired; some instructions will count twi…
25-bit packed single precision floating-point instructions retired; some instructions will count twi…
30-bit packed double precision floating-point instructions retired; some instructions will count twi…
34-bit packed double precision floating-point instructions retired; some instructions will count twi…
39-bit packed single precision floating-point instructions retired; some instructions will count twi…
43-bit packed single precision floating-point instructions retired; some instructions will count twi…
48-bit packed single and 256-bit packed double precision FP instructions retired; some instructions …
52-bit packed single precision and 256-bit packed double precision floating-point instructions reti…
[all …]
/linux/tools/perf/pmu-events/arch/x86/icelakex/
H A Dfloating-point.json12-bit packed double precision floating-point instructions retired; some instructions will count twi…
16-bit packed double precision floating-point instructions retired; some instructions will count twi…
21-bit packed single precision floating-point instructions retired; some instructions will count twi…
25-bit packed single precision floating-point instructions retired; some instructions will count twi…
30-bit packed double precision floating-point instructions retired; some instructions will count twi…
34-bit packed double precision floating-point instructions retired; some instructions will count twi…
39-bit packed single precision floating-point instructions retired; some instructions will count twi…
43-bit packed single precision floating-point instructions retired; some instructions will count twi…
48-bit packed single and 256-bit packed double precision FP instructions retired; some instructions …
52-bit packed single precision and 256-bit packed double precision floating-point instructions reti…
[all …]
/linux/tools/perf/pmu-events/arch/x86/icelake/
H A Dfloating-point.json12-bit packed double precision floating-point instructions retired; some instructions will count twi…
16-bit packed double precision floating-point instructions retired; some instructions will count twi…
21-bit packed single precision floating-point instructions retired; some instructions will count twi…
25-bit packed single precision floating-point instructions retired; some instructions will count twi…
30-bit packed double precision floating-point instructions retired; some instructions will count twi…
34-bit packed double precision floating-point instructions retired; some instructions will count twi…
39-bit packed single precision floating-point instructions retired; some instructions will count twi…
43-bit packed single precision floating-point instructions retired; some instructions will count twi…
48-bit packed single and 256-bit packed double precision FP instructions retired; some instructions …
52-bit packed single precision and 256-bit packed double precision floating-point instructions reti…
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/linux/drivers/net/wireless/intel/iwlwifi/fw/api/
H A Ddhc.h1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
11 * enum iwl_dhc_table_id - DHC table operations index
25 * enum iwl_dhc_umac_tools_table - tools operations
34 * enum iwl_dhc_umac_integration_table - integration operations
38 * @DHC_INT_UMAC_TWT_OPERATION: trigger a TWT operation
54 * struct iwl_dhc_cmd - debug host command
57 * @index_and_mask: bit 31 is 1 for data set operation else it's 0
58 * bits 28-30 is the index of the table of the operation -
64 * bits 0-25 is a specific entry index in the table specified in bits 28-30
75 * struct iwl_dhc_payload_hdr - DHC payload header
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/linux/include/uapi/linux/
H A Dsem.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
8 #define SEM_UNDO 0x1000 /* undo the operation on exit */
31 struct sem_queue **sem_pending_last; /* last pending operation */
42 short sem_op; /* semaphore operation */
43 short sem_flg; /* operation flags */
81 #define SEMMSL 32000 /* <= INT_MAX max num of semaphores per id */
83 #define SEMOPM 500 /* <= 1 000 max num of ops per semop call */
88 #define SEMUME SEMOPM /* max num of undo entries per process */
/linux/tools/perf/pmu-events/arch/arm64/arm/neoverse-n1/
H A Dl1d_cache.json4 …ns that missed in the level 1 data cache. This event only counts one event per cache line. This ev…
8 …fied memory structures, for example refill buffers, write buffers, and write-back buffers, are als…
12-backs of dirty data from the L1 data cache to the L2 cache. This occurs when either a dirty cache…
16 …"PublicDescription": "Counts level 1 data cache accesses from any load operation. Atomic load oper…
24 … instructions where the memory read operation misses in the level 1 data cache. This event only co…
28 …instructions where the memory write operation misses in the level 1 data cache. This event only co…
44 …"PublicDescription": "Counts write-backs from the level 1 data cache that are a result of a cohere…
48 …n the level 1 data cache caused by:\n\n- Cache Maintenance Operations (CMO) that operate by a virt…
/linux/tools/perf/pmu-events/arch/arm64/arm/neoverse-v1/
H A Dl1d_cache.json4 …ns that missed in the level 1 data cache. This event only counts one event per cache line. This ev…
8 …fied memory structures, for example refill buffers, write buffers, and write-back buffers, are als…
12-backs of dirty data from the L1 data cache to the L2 cache. This occurs when either a dirty cache…
20 …"PublicDescription": "Counts level 1 data cache accesses from any load operation. Atomic load oper…
28 … instructions where the memory read operation misses in the level 1 data cache. This event only co…
32 …instructions where the memory write operation misses in the level 1 data cache. This event only co…
48 …"PublicDescription": "Counts write-backs from the level 1 data cache that are a result of a cohere…
52 …n the level 1 data cache caused by:\n\n- Cache Maintenance Operations (CMO) that operate by a virt…
/linux/include/linux/
H A Dsrcutree.h1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Sleepable Read-Copy Update mechanism for mutual exclusion,
22 atomic_long_t srcu_locks; /* Locks per CPU. */
23 atomic_long_t srcu_unlocks; /* Unlocks per CPU. */
27 * Per-CPU structure feeding into leaf srcu_node, similar in function
31 /* Read-side state. */
32 struct srcu_ctr srcu_ctrs[2]; /* Locks and unlocks per CPU. */
36 /* Update-side state. */
47 /* ->srcu_data_have_cbs[]. */
58 /* if greater than ->srcu_gp_seq. */
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/linux/drivers/gpu/drm/xe/
H A Dxe_gt_sriov_pf_control_types.h1 /* SPDX-License-Identifier: MIT */
14 * enum xe_gt_sriov_control_bits - Various bits used by the PF to represent a VF state
26 * @XE_GT_SRIOV_STATE_PAUSE_WIP: indicates that a VF pause operation is in progress.
31 * @XE_GT_SRIOV_STATE_PAUSE_FAILED: indicates that a VF pause operation has failed.
33 * @XE_GT_SRIOV_STATE_RESUME_WIP: indicates the a VF resume operation is in progress.
35 * @XE_GT_SRIOV_STATE_RESUME_FAILED: indicates that a VF resume operation has failed.
37 * @XE_GT_SRIOV_STATE_STOP_WIP: indicates that a VF stop operation is in progress.
39 * @XE_GT_SRIOV_STATE_STOP_FAILED: indicates that the VF stop operation has failed
74 XE_GT_SRIOV_STATE_MISMATCH = BITS_PER_LONG - 1,
78 * struct xe_gt_sriov_control_state - GT-level per-VF control state.
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/linux/drivers/dma/ppc4xx/
H A Dadma.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * 2006-2009 (C) DENX Software Engineering.
46 * struct ppc440spe_adma_device - internal representation of an ADMA device
74 * struct ppc440spe_adma_chan - internal representation of an ADMA channel
85 * @pdest_page: P destination page for async validate operation
86 * @qdest_page: Q destination page for async validate operation
87 * @pdest: P dma addr for async validate operation
88 * @qdest: Q dma addr for async validate operation
119 * struct ppc440spe_adma_desc_slot - PPC440SPE-ADMA software descriptor
121 * @group_head: first operation in a transaction
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/linux/drivers/staging/greybus/
H A Dloopback.c1 // SPDX-License-Identifier: GPL-2.0
54 struct gb_operation *operation; member
71 /* Per connection stats */
128 return sprintf(buf, "%u\n", gb->field); \
139 if (!gb->requests_completed) \
141 return sprintf(buf, "%" #type "\n", gb->name.field); \
155 stats = &gb->name; \
156 count = stats->count ? stats->count : 1; \
157 avg = stats->sum + count / 2000000; /* round closest */ \
176 return sprintf(buf, "%" #type "\n", gb->field); \
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/linux/tools/perf/pmu-events/arch/x86/skylake/
H A Dfloating-point.json3 …"BriefDescription": "Counts once for most SIMD 128-bit packed computational double precision float…
7-bit packed computational double precision floating-point instructions retired; some instructions …
12 …"BriefDescription": "Counts once for most SIMD 128-bit packed computational single precision float…
16-bit packed computational single precision floating-point instructions retired; some instructions …
21 …"BriefDescription": "Counts once for most SIMD 256-bit packed double computational precision float…
25-bit packed double computational precision floating-point instructions retired; some instructions …
30 …"BriefDescription": "Counts once for most SIMD 256-bit packed single computational precision float…
34-bit packed single computational precision floating-point instructions retired; some instructions …
39-bit packed single and 256-bit packed double precision FP instructions retired; some instructions …
43-bit packed single precision and 256-bit packed double precision floating-point instructions reti…
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/linux/tools/perf/pmu-events/arch/arm64/fujitsu/a64fx/
H A Dother.json3 "PublicDescription": "This event counts the occurrence count of the micro-operation split.",
6 "BriefDescription": "This event counts the occurrence count of the micro-operation split."
9 …vent counts every cycle that no operation was committed because the oldest and uncommitted load/st…
12 …vent counts every cycle that no operation was committed because the oldest and uncommitted load/st…
15 …struction was committed because the oldest and uncommitted integer load operation waits for memory…
18 …struction was committed because the oldest and uncommitted integer load operation waits for memory…
21 …on was committed because the oldest and uncommitted load/store/prefetch operation waits for L2 cac…
24 …on was committed because the oldest and uncommitted load/store/prefetch operation waits for L2 cac…
27 …struction was committed because the oldest and uncommitted integer load operation waits for L2 cac…
30 …struction was committed because the oldest and uncommitted integer load operation waits for L2 cac…
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/linux/include/media/
H A Dvideobuf2-core.h2 * videobuf2-core.h - Video Buffer 2 Core Framework
18 #include <linux/dma-buf.h>
20 #include <media/media-request.h>
27 * enum vb2_memory - type of memory model used to make the buffers visible
52 * struct vb2_mem_ops - memory handling/memory allocator operations.
55 * per-buffer data on success; the returned private structure
62 * argument is the allocator private per-buffer structure
64 * @get_dmabuf: acquire userspace memory for a hardware operation; used for
66 * @get_userptr: acquire userspace memory for a hardware operation; used for
69 * should return an allocator private per-buffer structure
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/linux/Documentation/admin-guide/mm/damon/
H A Dusage.rst1 .. SPDX-License-Identifier: GPL-2.0
9 - *DAMON user space tool.*
11 system administrators who want a just-working human-friendly interface.
12 Using this, users can use the DAMON’s major features in a human-friendly way.
16 - *sysfs interface.*
23 - *Kernel Space Programming Interface.*
51 ---------------
54 figure, parents-children relations are represented with indentations, each
58 .. parsed-literal::
99 ----
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/linux/Documentation/w1/masters/
H A Dw1-uart.rst1 .. SPDX-License-Identifier: GPL-2.0-or-later
4 Kernel driver w1-uart
11 -----------
13 UART 1-Wire bus driver. The driver utilizes the UART interface via the
14 Serial Device Bus to create the 1-Wire timing patterns as described in
15 the document `"Using a UART to Implement a 1-Wire Bus Master"`_.
17 …g a UART to Implement a 1-Wire Bus Master": https://www.analog.com/en/technical-articles/using-a-u…
19 In short, the UART peripheral must support full-duplex and operate in
20 open-drain mode. The timing patterns are generated by a specific
21 combination of baud-rate and transmitted byte, which corresponds to a
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/linux/drivers/md/dm-vdo/
H A Daction-manager.h1 /* SPDX-License-Identifier: GPL-2.0-only */
9 #include "admin-state.h"
13 * An action_manager provides a generic mechanism for applying actions to multi-zone entities (such
28 * an optional method to be run on the initiator thread once the per-zone method has been
38 * @context: The object which holds the per-zone context for the action
48 * @context: The object which holds the per-zone context for the action
56 * @context: The object which holds the per-zone context for the action
64 * @context: The object which holds the per-zone context for the action
98 const struct admin_state_code *operation,
104 const struct admin_state_code *operation,
/linux/include/linux/sunrpc/
H A Dmetrics.h1 /* SPDX-License-Identifier: GPL-2.0 */
5 * Declarations for RPC client per-operation metrics
9 * RPC client per-operation statistics provide latency and retry
14 * These counters are not meant to be human-readable, but are meant to be
21 * The counters are maintained in a single array per RPC client, indexed
23 * arrays per-CPU because these counters are always modified behind locks.
/linux/Documentation/core-api/
H A Dnetlink.rst1 .. SPDX-License-Identifier: BSD-3-Clause
13 ---------------
21 -------------
31 ---------------
34 commands. User only gets information whether the operation succeeded or
44 ----------
51 ------------------------
54 them - make sure to report dump inconsistency with ``NLM_F_DUMP_INTR``.
65 -------
67 kernel-policy
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/linux/tools/perf/pmu-events/arch/x86/skylakex/
H A Dfloating-point.json3 …"BriefDescription": "Counts once for most SIMD 128-bit packed computational double precision float…
7-bit packed computational double precision floating-point instructions retired; some instructions …
12 …"BriefDescription": "Counts once for most SIMD 128-bit packed computational single precision float…
16-bit packed computational single precision floating-point instructions retired; some instructions …
21 …"BriefDescription": "Counts once for most SIMD 256-bit packed double computational precision float…
25-bit packed double computational precision floating-point instructions retired; some instructions …
30 …"BriefDescription": "Counts once for most SIMD 256-bit packed single computational precision float…
34-bit packed single computational precision floating-point instructions retired; some instructions …
39-bit packed single and 256-bit packed double precision FP instructions retired; some instructions …
43-bit packed single precision and 256-bit packed double precision floating-point instructions reti…
[all …]

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