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/openbmc/linux/Documentation/admin-guide/cgroup-v1/
H A Dblkio-controller.rst14 specify upper IO rate limits on devices. This policy is implemented in
22 -----------------------------
33 mount -t cgroup -o blkio none /sys/fs/cgroup/blkio
35 Specify a bandwidth rate on particular device for root group. The format
43 Run dd to read a file and see if rate is throttled to 1MB/s or not::
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
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/openbmc/linux/drivers/net/wireless/intel/iwlwifi/mvm/
H A Drs.h1 /* SPDX-License-Identifier: GPL-2.0-only */
6 * Copyright (C) 2003 - 2014, 2018 - 2022 Intel Corporation
14 #include "iwl-config.h"
16 #include "fw-api.h"
17 #include "iwl-trans.h"
19 #define RS_NAME "iwl-mvm-rs"
27 u8 prev_rs; /* previous rate used in rs algo */
28 u8 next_rs; /* next rate used in rs algo */
48 IWL_RATE_INVM_INDEX_TABLE = IWL_RATE_INVM_INDEX - 1,
115 #define IWL_RATES_MASK ((1 << IWL_RATE_COUNT) - 1)
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/openbmc/qemu/include/qemu/
H A Dthrottle.h4 * Copyright (C) Nodalink, EURL. 2013-2014
5 * Copyright (C) Igalia, S.L. 2015-2016
28 #include "qapi/qapi-types-block-core.h"
46 * currently used for bytes per second and operations per second.
50 * - avg: the desired I/O limits in units per second.
51 * - max: the limit during bursts, also in units per second.
52 * - burst_length: the maximum length of the burst period, in seconds.
56 * - The bucket level (number of performed I/O units) is kept in
57 * bkt.level and leaks at a rate of bkt.avg units per second.
59 * - The size of the bucket is bkt.max * bkt.burst_length. Once the
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/openbmc/linux/tools/perf/pmu-events/arch/powerpc/power9/
H A Dmetrics.json8 "BriefDescription": "Count cache branch misprediction per instruction",
56 …"BriefDescription": "Finish stall because the NTF instruction was a multi-cycle instruction issued…
63 "MetricExpr": "dfu_stall_cpi - dflong_stall_cpi",
75 "MetricExpr": "dmiss_non_local_stall_cpi - dmiss_remote_stall_cpi",
93 "MetricExpr": "dmiss_l2l3_stall_cpi - dmiss_l2l3_conflict_stall_cpi",
117 "MetricExpr": "dmiss_l3miss_stall_cpi - dmiss_l21_l31_stall_cpi - dmiss_lmem_stall_cpi",
129 "MetricExpr": "dp_stall_cpi - dplong_stall_cpi",
140 …"BriefDescription": "Finish stall because the NTF instruction was a scalar multi-cycle instruction…
176 "MetricExpr": "exec_unit_stall_cpi - scalar_stall_cpi - vector_stall_cpi",
200 "MetricExpr": "fxu_stall_cpi - fxlong_stall_cpi",
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/openbmc/linux/sound/pci/ca0106/
H A Dca0106.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
11 * Support interrupts per period.
40 * Implement 192000 sample rate.
50 * Implement support for Line-in capture on SB Live 24bit.
73 #define IPR_MIDI_RX_B 0x00020000 /* MIDI UART-B Receive buffer non-empty */
74 #define IPR_MIDI_TX_B 0x00010000 /* MIDI UART-B Transmit buffer empty */
87 #define IPR_MIDI_RX_A 0x00000004 /* MIDI UART-A Receive buffer non-empty */
88 #define IPR_MIDI_TX_A 0x00000002 /* MIDI UART-A Transmit buffer empty */
93 #define INTE_MIDI_RX_B 0x00020000 /* MIDI UART-B Receive buffer non-empty */
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/openbmc/linux/tools/perf/pmu-events/arch/powerpc/power8/
H A Dmetrics.json21 "BriefDescription": "% of Branch miss predictions per instruction",
27 "BriefDescription": "Count cache branch misprediction per instruction",
39 "BriefDescription": "CR MisPredictions per Instruction",
46 "MetricExpr": "(PM_BR_MPRED_TA - PM_BR_MPRED_CCACHE) / PM_RUN_INST_CMPL * 100",
52 …"MetricExpr": "(PM_BR_MPRED_TA - PM_BR_MPRED_CCACHE) / (PM_BR_PRED_LSTACK_BR0 + PM_BR_PRED_LSTACK_…
57 "BriefDescription": "TA MisPredictions per Instruction",
124 "MetricExpr": "(PM_CMPLU_STALL_BRU_CRU - PM_CMPLU_STALL_BRU) / PM_RUN_INST_CMPL",
135 "BriefDescription": "Cycles stalled by FXU Multi-Cycle Instructions",
148 …"MetricExpr": "(PM_CMPLU_STALL_FXU / PM_RUN_INST_CMPL) - (PM_CMPLU_STALL_FXLONG / PM_RUN_INST_CMPL…
208 "MetricExpr": "(PM_GCT_NOSLOT_IC_MISS - PM_GCT_NOSLOT_IC_L3MISS) / PM_RUN_INST_CMPL",
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/openbmc/linux/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/
H A Dmetrics.json4 …"MetricExpr": "(100 * ((STALL_SLOT_BACKEND / (CPU_CYCLES * #slots)) - ((BR_MIS_PRED * 3) / CPU_CYC…
15 …0 * (((1 - (OP_RETIRED / OP_SPEC)) * (1 - (((STALL_SLOT) if (strcmp_cpuid_str(0x410fd493) | strcmp…
22 "ScaleUnit": "1per branch"
27 …"BriefDescription": "This metric measures the number of branch mispredictions per thousand instruc…
48 …"BriefDescription": "This metric measures the number of data TLB Walks per thousand instructions e…
57 "ScaleUnit": "1per TLB access"
61 …mp_cpuid_str(0x410fd490) ^ 1) else (STALL_SLOT_FRONTEND - CPU_CYCLES)) / (CPU_CYCLES * #slots)) - …
80 "BriefDescription": "This metric measures the number of instructions retired per cycle.",
82 "ScaleUnit": "1per cycle"
87 …"BriefDescription": "This metric measures the number of instruction TLB Walks per thousand instruc…
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/openbmc/linux/net/dccp/ccids/
H A Dccid3.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright (c) 2005-7 The University of Waikato, Hamilton, New Zealand.
10 * or e-mail Ian McDonald - ian.mcdonald@jandi.co.nz
14 * Copyright (c) 2003 Nils-Erik Mattsson, Joacim Haggmark, Magnus Erixzon
32 /* Two seconds as per RFC 5348, 4.2 */
65 * struct ccid3_hc_tx_sock - CCID3 sender half-connection socket
66 * @tx_x: Current sending rate in 64 * bytes per second
67 * @tx_x_recv: Receive rate in 64 * bytes per second
68 * @tx_x_calc: Calculated rate in bytes per second
70 * @tx_p: Current loss event rate (0-1) scaled by 1000000
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/openbmc/linux/tools/perf/pmu-events/arch/arm64/ampere/ampereone/
H A Dmetrics.json5 …"BriefDescription": "Branch predictor misprediction rate. May not count branches that are never re…
12 "BriefDescription": "Core-to-uncore bus utilization",
21 "ScaleUnit": "1per cache access"
28 "ScaleUnit": "1per cache access"
33 "BriefDescription": "L1D cache read miss rate",
35 "ScaleUnit": "1per cache read access"
42 "ScaleUnit": "1per cache access"
47 "BriefDescription": "L1I cache read miss rate",
49 "ScaleUnit": "1per cache access"
54 "BriefDescription": "L2 cache read miss rate",
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/openbmc/linux/drivers/gpu/drm/tegra/
H A Ddp.h1 /* SPDX-License-Identifier: MIT */
3 * Copyright (C) 2013-2019 NVIDIA Corporation.
18 * struct drm_dp_link_caps - DP link capabilities
61 * struct drm_dp_link_ops - DP link operations
80 * struct drm_dp_link_train_set - link training settings
81 * @voltage_swing: per-lane voltage swing
82 * @pre_emphasis: per-lane pre-emphasis
83 * @post_cursor: per-lane post-cursor
92 * struct drm_dp_link_train - link training state information
110 * struct drm_dp_link - DP link capabilities and configuration
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/openbmc/linux/tools/perf/pmu-events/arch/x86/broadwellde/
H A Dbdwde-metrics.json3 "BriefDescription": "C2 residency percent per package",
4 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
10 "BriefDescription": "C3 residency percent per core",
11 "MetricExpr": "cstate_core@c3\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
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/openbmc/linux/tools/perf/pmu-events/arch/x86/broadwell/
H A Dbdw-metrics.json3 "BriefDescription": "C2 residency percent per package",
4 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
10 "BriefDescription": "C3 residency percent per core",
11 "MetricExpr": "cstate_core@c3\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
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/openbmc/linux/drivers/slimbus/
H A Dslimbus.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2011-2017, The Linux Foundation
14 /* Standard values per SLIMbus spec needed by controllers and devices */
64 /* Clock pause values per SLIMbus spec */
74 /* Standard values per SLIMbus spec needed by controllers and devices */
82 /* Standard values per SLIMbus spec needed by controllers and devices */
86 /* Manager's logical address is set to 0xFF per spec */
91 * struct slim_framer - Represents SLIMbus framer.
94 * Manager is responsible for framer hand-over.
99 * @superfreq: Superframes per root frequency. Every frame is 6144 bits.
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/openbmc/linux/net/mac80211/
H A Drc80211_minstrel_ht.h1 /* SPDX-License-Identifier: GPL-2.0-only */
27 * a1 = exp(-pi * sqrt(2) / period)
29 * coeff3 = -sqr(a1)
30 * coeff1 = 1 - coeff2 - coeff3
32 #define MINSTREL_AVG_COEFF1 (MINSTREL_FRAC(1, 1) - \
33 MINSTREL_AVG_COEFF2 - \
36 #define MINSTREL_AVG_COEFF3 -0x0000092e
72 #define MINSTREL_SAMPLE_RATES 5 /* rates per sample type */
88 * enable fixed rate processing per RC
89 * - write static index to debugfs:ieee80211/phyX/rc/fixed_rate_idx
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/openbmc/linux/Documentation/arch/x86/
H A Dbuslock.rst1 .. SPDX-License-Identifier: GPL-2.0
10 :Authors: - Fenghua Yu <fenghua.yu@intel.com>
11 - Tony Luck <tony.luck@intel.com>
21 memory or any locked access to non-WB memory. This is typically thousands of
32 --------------------------------------
38 ------------------------------------
50 +------------------+----------------------------+-----------------------+
52 +------------------+----------------------------+-----------------------+
54 +------------------+----------------------------+-----------------------+
55 |warn |Kernel OOPs |Warn once per task and |
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/openbmc/linux/tools/perf/pmu-events/arch/x86/rocketlake/
H A Drkl-metrics.json3 "BriefDescription": "C10 residency percent per package",
4 "MetricExpr": "cstate_pkg@c10\\-residency@ / TSC",
10 "BriefDescription": "C2 residency percent per package",
11 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
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/openbmc/linux/tools/perf/pmu-events/arch/x86/tigerlake/
H A Dtgl-metrics.json3 "BriefDescription": "C10 residency percent per package",
4 "MetricExpr": "cstate_pkg@c10\\-residency@ / TSC",
10 "BriefDescription": "C2 residency percent per package",
11 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
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/openbmc/linux/tools/perf/pmu-events/arch/x86/icelake/
H A Dicl-metrics.json3 "BriefDescription": "C10 residency percent per package",
4 "MetricExpr": "cstate_pkg@c10\\-residency@ / TSC",
10 "BriefDescription": "C2 residency percent per package",
11 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
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/openbmc/linux/Documentation/userspace-api/media/dvb/
H A Ddvb-frontend-parameters.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 per-system parameters. However, as newer delivery systems required more
24 DVB-S2, DVB-T2, DVB-C2, ISDB, etc.
30 .. code-block:: c
61 .. code-block:: c
64 uint32_t symbol_rate; /* symbol rate in Symbols per second */
77 .. code-block:: c
80 uint32_t symbol_rate; /* symbol rate in Symbols per second */
94 .. code-block:: c
106 DVB-T frontends are supported by the ``dvb_ofdm_parameters`` structure:
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/openbmc/linux/tools/perf/pmu-events/arch/x86/sapphirerapids/
H A Dspr-metrics.json3 "BriefDescription": "C1 residency percent per core",
4 "MetricExpr": "cstate_core@c1\\-residency@ / TSC",
10 "BriefDescription": "C2 residency percent per package",
11 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
17 "BriefDescription": "C6 residency percent per core",
18 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per package",
25 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
31 "BriefDescription": "Uncore frequency per die [GHZ]",
37 …"BriefDescription": "Cycles per instruction retired; indicating how much time each executed instru…
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/openbmc/u-boot/doc/device-tree-bindings/exynos/
H A Dsound.txt7 - compatible : Should be "samsung,exynos-sound" for sound
8 - samsung,i2s-epll-clock-frequency : epll clock output frequency in Hz
9 - samsung,i2s-sampling-rate : sampling rate, default is 48000
10 - samsung,i2s-bits-per-sample : sample width, defalut is 16 bit
11 - samsung,i2s-channels : nummber of channels, default is 2
12 - samsung,i2s-lr-clk-framesize : lr clock frame size
13 - samsung,i2s-bit-clk-framesize : bit clock frame size
14 - samsung,codec-type : sound codec type
19 compatible = "samsung,exynos-sound"
20 samsung,i2s-epll-clock-frequency = <192000000>;
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/openbmc/linux/drivers/net/wireless/intel/iwlwifi/fw/api/
H A Drs.h1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
3 * Copyright (C) 2012-2014, 2018-2022 Intel Corporation
12 * enum iwl_tlc_mng_cfg_flags_enum - options for TLC config flags
36 * enum iwl_tlc_mng_cfg_cw - channel width options
52 * enum iwl_tlc_mng_cfg_chains - possible chains
62 * enum iwl_tlc_mng_cfg_mode - supported modes
82 * enum iwl_tlc_mng_ht_rates - HT/VHT/HE rates
95 * @IWL_TLC_MNG_HT_RATE_MAX: maximal rate for HT/VHT
120 * enum IWL_TLC_MCS_PER_BW - mcs index per BW
121 * @IWL_TLC_MCS_PER_BW_80: mcs for bw - 20Hhz, 40Hhz, 80Hhz
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/openbmc/linux/arch/x86/include/uapi/asm/
H A Damd_hsmp.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
29 HSMP_SET_AUTO_DF_PSTATE, /* 0Eh Enable DF P-State Performance Boost algorithm */
37 HSMP_GET_DIMM_TEMP_RANGE, /* 16h Get per-DIMM temperature range and refresh rate */
38 HSMP_GET_DIMM_POWER, /* 17h Get per-DIMM power consumption */
39 HSMP_GET_DIMM_THERMAL, /* 18h Get per-DIMM thermal sensors */
40 HSMP_GET_SOCKET_FREQ_LIMIT, /* 19h Get current active frequency per socket */
41 HSMP_GET_CCLK_CORE_LIMIT, /* 1Ah Get CCLK frequency limit per core */
42 HSMP_GET_RAILS_SVI, /* 1Bh Get SVI-based Telemetry for all rails */
43 HSMP_GET_SOCKET_FMAX_FMIN, /* 1Ch Get Fmax and Fmin per socket */
47 HSMP_SET_PCI_RATE, /* 20h Control link rate on PCIe devices */
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/openbmc/linux/drivers/net/ethernet/microchip/lan966x/
H A Dlan966x_police.c1 // SPDX-License-Identifier: GPL-2.0+
5 /* 0-8 : 9 port policers */
8 /* Policer order: Serial (QoS -> Port -> VCAP) */
12 /* kilobit per second */
13 u32 rate; member
22 struct lan966x *lan966x = port->lan966x; in lan966x_police_add()
24 /* Rate unit is 33 1/3 kpps */ in lan966x_police_add()
25 pol->rate = DIV_ROUND_UP(pol->rate * 3, 100); in lan966x_police_add()
27 pol->burst = pol->burst ?: 1; in lan966x_police_add()
29 pol->burst = DIV_ROUND_UP(pol->burst, 4096); in lan966x_police_add()
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/openbmc/linux/tools/perf/pmu-events/arch/x86/skylake/
H A Dskl-metrics.json3 "BriefDescription": "C2 residency percent per package",
4 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
10 "BriefDescription": "C3 residency percent per core",
11 "MetricExpr": "cstate_core@c3\\-residency@ / TSC",
17 "BriefDescription": "C3 residency percent per package",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
24 "BriefDescription": "C6 residency percent per core",
25 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per package",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / TSC",
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