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/linux-6.14.4/Documentation/devicetree/bindings/power/supply/
Dcw2015_battery.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Tobias Schramm <[email protected]>
13 The driver can utilize information from a simple-battery linked via a
14 phandle in monitored-battery. If specified the driver uses the
15 charge-full-design-microamp-hours property of the battery.
18 - $ref: power-supply.yaml#
27 cellwise,battery-profile:
33 $ref: /schemas/types.yaml#/definitions/uint8-array
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/linux-6.14.4/Documentation/hwmon/
Dina2xx.rst10 Addresses: I2C 0x40 - 0x4f
20 Addresses: I2C 0x40 - 0x4f
30 Addresses: I2C 0x40 - 0x4f
40 Addresses: I2C 0x40 - 0x4f
50 Addresses: I2C 0x40 - 0x4f
60 Addresses: I2C 0x40 - 0x4f
70 Addresses: I2C 0x40 - 0x4f
80 -----------
82 The INA219 is a high-side current shunt and power monitor with an I2C
86 The INA220 is a high or low side current shunt and power monitor with an I2C
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Dlm93.rst10 Addresses scanned: I2C 0x2c-0x2e
18 Addresses scanned: I2C 0x2c-0x2e
24 - Mark M. Hoffman <[email protected]>
25 - Ported to 2.6 by Eric J. Bowersox <[email protected]>
26 - Adapted to 2.6.20 by Carsten Emde <[email protected]>
27 - Modified for mainline integration by Hans J. Koch <[email protected]>
30 -----------------
33 Set to non-zero to force some initializations (default is 0).
38 Configures in7 and in8 limit type, where 0 means absolute and non-zero
54 --------------------
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/linux-6.14.4/Documentation/accounting/
Dpsi.rst4 PSI - Pressure Stall Information
14 either play it safe and under-utilize their hardware resources, or
23 scarcity aids users in sizing workloads to hardware--or provisioning
38 respective file in /proc/pressure/ -- cpu, memory, and io.
48 The "full" line indicates the share of time in which all non-idle
74 time window, e.g. 100ms of total stall time within any 500ms window to
86 would add 150ms threshold for partial memory stall measured within
88 would add 50ms threshold for full io stall measured within 1sec time window.
102 The kernel accepts window sizes ranging from 500ms to 10s, therefore min
103 monitoring update interval is 50ms and max is 1s. Min limit is set to
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/linux-6.14.4/Documentation/ABI/stable/
Dsysfs-driver-firmware-zynqmp1 What: /sys/devices/platform/firmware\:zynqmp-firmware/ggs*
11 The register is reset during system or power-on
17 # cat /sys/devices/platform/firmware\:zynqmp-firmware/ggs0
18 # echo <value> > /sys/devices/platform/firmware\:zynqmp-firmware/ggs0
22 # cat /sys/devices/platform/firmware\:zynqmp-firmware/ggs0
23 # echo 0x1234ABCD > /sys/devices/platform/firmware\:zynqmp-firmware/ggs0
27 What: /sys/devices/platform/firmware\:zynqmp-firmware/pggs*
38 This register is only reset by the power-on reset
46 # cat /sys/devices/platform/firmware\:zynqmp-firmware/pggs0
47 # echo <value> > /sys/devices/platform/firmware\:zynqmp-firmware/pggs0
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/linux-6.14.4/Documentation/networking/
Dbonding.rst1 .. SPDX-License-Identifier: GPL-2.0
11 Corrections, HA extensions: 2000/10/03-15:
13 - Willy Tarreau <willy at meta-x.org>
14 - Constantine Gavrilov <const-g at xpert.com>
15 - Chad N. Tindel <ctindel at ieee dot org>
16 - Janice Girouard <girouard at us dot ibm dot com>
17 - Jay Vosburgh <fubar at us dot ibm dot com>
22 - Mitch Williams <mitch.a.williams at intel.com>
35 the original tools from extreme-linux and beowulf sites will not work
70 7.1 ARP Monitor Operation
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/linux-6.14.4/drivers/hwmon/
Dina2xx.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Driver for Texas Instruments INA219, INA226 power monitor chips
6 * Zero Drift Bi-Directional Current/Power Monitor with I2C Interface
10 * Bi-Directional Current/Power Monitor with I2C Interface
14 * Bi-Directional Current/Power Monitor with I2C Interface
18 * Bi-directional Current/Power Monitor with I2C Interface
59 /* settings - depend on use case */
68 /* worst case is 68.10 ms (~14.6Hz, ina219) */
70 #define INA2XX_MAX_DELAY 69 /* worst case delay in ms */
233 static u16 ina226_interval_to_reg(long interval) in ina226_interval_to_reg() argument
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Dfam15h_power.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * fam15h_power.c - AMD Family 15h processor power monitoring
5 * Copyright (c) 2011-2016 Advanced Micro Devices, Inc.
11 #include <linux/hwmon-sysfs.h>
24 MODULE_DESCRIPTION("AMD Family 15h CPU processor power monitor");
42 /* set maximum interval as 1 second */
78 struct pci_dev *f4 = data->pdev; in power1_input_show()
80 pci_bus_read_config_dword(f4->bus, PCI_DEVFN(PCI_SLOT(f4->devfn), 5), in power1_input_show()
97 pci_bus_read_config_dword(f4->bus, PCI_DEVFN(PCI_SLOT(f4->devfn), 5), in power1_input_show()
110 data->base_tdp)) << running_avg_range; in power1_input_show()
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/linux-6.14.4/Documentation/ABI/testing/
Dsysfs-class-led-trigger-netdev4 Contact: linux-[email protected]
6 Specifies the network device name to monitor.
8 What: /sys/class/leds/<led>/interval
11 Contact: linux-[email protected]
14 Defaults to 50 ms.
16 When offloaded is true, the interval value MUST be set to the
24 Contact: linux-[email protected]
38 Contact: linux-[email protected]
45 in interval to signal transmission.
47 When offloaded is true, the blink interval is controlled by
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Ddebugfs-driver-qat4 Contact: qat-[email protected]
15 Contact: qat-[email protected]
19 This period should reflect planned polling interval of device
27 4xxx has this value internally fixed to 200ms.
35 Contact: qat-[email protected]
44 Contact: qat-[email protected]
54 Contact: qat-[email protected]
57 Returns 0 when device is healthy or -1 when is unresponsive
60 The driver does not monitor for Heartbeat. It is left for a user
66 Contact: qat-[email protected]
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Dsysfs-class-devfreq56 this will return an -EFBIG error.
99 the requested polling interval of the corresponding devfreq
100 object. The values are represented in ms. If the value is
106 - simple_ondmenad
107 - tegra_actmon
118 - userspace
126 monitor the device status such as utilization. The user
134 - simple_ondemand
Dsysfs-bus-usb10 This allows to avoid side-effects with drivers
28 drivers, non-authorized one are not. By default, wired
33 Contact: linux-[email protected]
67 What: /sys/bus/usb-serial/drivers/.../new_id
69 Contact: linux-[email protected]
72 extra bus folder "usb-serial" in sysfs; apart from that
97 If CONFIG_PM is set and a USB 2.0 lpm-capable device is plugged
113 If CONFIG_PM is set and a USB 3.0 lpm-capable device is plugged
141 attribute allows user-space to know whether the device is
145 an on-screen keyboard if the only wireless keyboard is
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/linux-6.14.4/tools/perf/Documentation/
Dperf-stat.txt1 perf-stat(1)
5 ----
6 perf-stat - Run a command and gather performance counter statistics
9 --------
11 'perf stat' [-e <EVENT> | --event=EVENT] [-a] <command>
12 'perf stat' [-e <EVENT> | --event=EVENT] [-a] \-- <command> [<options>]
13 'perf stat' [-e <EVENT> | --event=EVENT] [-a] record [-o file] \-- <command> [<options>]
14 'perf stat' report [-i file]
17 -----------
23 -------
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/linux-6.14.4/Documentation/mm/damon/
Dmonitoring_intervals_tuning_example.rst1 .. SPDX-License-Identifier: GPL-2.0
4 DAMON Moniting Interval Parameters Tuning Example
16 <https://github.com/damonitor/damo>`_ (DAMON user-space tool) v2.5.9 was used to
17 monitor and visualize access patterns on the physical address space of a system
18 running a real-world server workload.
20 5ms/100ms intervals: Too Short Interval
24 space of the system using DAMON, with the default interval parameters (5
27 the capturing of the snapshot, to show a meaningful time-wise access patterns.
32 # damo record --snapshot 0 1
35 Then, list the DAMON-found regions of different access patterns, sorted by the
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Ddesign.rst1 .. SPDX-License-Identifier: GPL-2.0
13 The monitoring-related information including the monitoring request
14 specification and DAMON-based operation schemes are stored in a data structure
19 To know how user-space can do the configurations and start/stop DAMON, refer to
28 - :ref:`Operations Set <damon_operations_set>`: Implements fundamental
30 address-space and available set of software/hardware primitives,
31 - :ref:`Core <damon_core_logic>`: Implements core logics including monitoring
32 overhead/accuracy control and access-aware system operations on top of the
34 - :ref:`Modules <damon_modules>`: Implements kernel modules for various
49 monitoring are address-space dependent.
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/linux-6.14.4/tools/cgroup/
Diocost_monitor.py7 This is a drgn script to monitor the blk-iocost cgroup controller.
8 See the comment at the top of block/blk-iocost.c for more details.
28 parser.add_argument('--cgroup', action='append', metavar='REGEX',
30 parser.add_argument('--interval', '-i', metavar='SECONDS', type=float, default=1,
31 help='Monitoring interval in seconds (0 exits immediately '
33 parser.add_argument('--json', action='store_true',
70 return blkcg.css.cgroup.kn.name.string_().decode('utf-8')
130 f'per={self.period_ms}ms ' \
161 self.inflight_pct = (vtime - vdone) * 100 / period_vtime
167 self.wait_ms = (iocg.stat.wait_us.value_() -
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/linux-6.14.4/include/linux/
Ddamon.h1 /* SPDX-License-Identifier: GPL-2.0 */
19 /* Max priority score for DAMON-based operation schemes */
25 return l + get_random_u32_below(r - l); in damon_rand()
29 * struct damon_addr_range - Represents an address region of [@start, @end).
39 * struct damon_region - Represents a monitoring target region.
44 * each sampling interval.
48 * @nr_accesses is reset to zero for every &damon_attrs->aggr_interval and be
49 * increased for every &damon_attrs->sample_interval if an access to the region
50 * during the last sampling interval is found. The update of this field should
55 * (1 in 10,000) that updated for every &damon_attrs->sample_interval in a
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/linux-6.14.4/Documentation/admin-guide/mm/damon/
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.*
40 For a short example, users can monitor the virtual address space of a given
51 ---------------
54 figure, parents-children relations are represented with indentations, each
58 .. parsed-literal::
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/linux-6.14.4/tools/perf/
Dbuiltin-stat.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * builtin-stat.c
16 1708.761321 task-clock # 11.037 CPUs utilized
17 41,190 context-switches # 0.024 M/sec
18 6,735 CPU-migrations # 0.004 M/sec
19 17,318 page-faults # 0.010 M/sec
21 3,856,436,920 stalled-cycles-frontend # 74.09% frontend cycles idle
22 1,600,790,871 stalled-cycles-backend # 30.75% backend cycles idle
26 6,388,934 branch-misses # 1.32% of all branches
31 * Copyright (C) 2008-2011, Red Hat Inc, Ingo Molnar <[email protected]>
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/linux-6.14.4/kernel/time/
Dntp.c1 // SPDX-License-Identifier: GPL-2.0
26 * struct ntp_data - Structure holding all NTP related state
40 * @ntp_tick_adj: Constant boot-param configurable NTP tick adjustment (upscaled)
46 * @pps_fbase: PPS beginning of the last freq interval
47 * @pps_shift: PPS current interval duration in seconds (shift value)
48 * @pps_intcnt: PPS interval counter
51 * @pps_calcnt: PPS monitor: calibration intervals
52 * @pps_jitcnt: PPS monitor: jitter limit exceeded
53 * @pps_stbcnt: PPS monitor: stability limit exceeded
54 * @pps_errcnt: PPS monitor: calibration errors
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/linux-6.14.4/Documentation/input/devices/
Datarikbd.rst12 provides a convenient connection point for a mouse and switch-type joysticks.
13 The ikbd processor also maintains a time-of-day clock with one second
18 The ikbd communicates with the main processor over a high speed bi-directional
41 0xF8-0xFB relative mouse position records (lsbs determined by
43 0xFC time-of-day
67 ---------------------------
92 +127...-128 range, the motion is broken into multiple packets.
97 ---------------------------
104 ---------------------
120 ------------------------
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/linux-6.14.4/drivers/net/wireless/broadcom/brcm80211/brcmsmac/
Dmain.h38 /* uS: 83mS is max packet time (64KB ampdu @ 6Mbps) */
48 * Usage example, e.g. a three-bit field (bits 4-6):
52 * regval = R_REG(osh, &regs->regfoo);
55 * W_REG(osh, &regs->regfoo, regval);
58 (((unsigned)1 << (width)) - 1)
67 /* max # supported core revisions (0 .. MAXCOREREV - 1) */
76 #define BRCMS_SHORTSLOT_AUTO -1 /* Driver will manage Shortslot setting */
91 #define TXFID_QUEUE_MASK 0x0007 /* Bits 0-2 */
92 #define TXFID_SEQ_MASK 0x7FE0 /* Bits 5-15 */
136 /* hold pll for radio monitor register checking */
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/linux-6.14.4/drivers/scsi/lpfc/
Dlpfc.h4 * Copyright (C) 2017-2024 Broadcom. All Rights Reserved. The term *
6 * Copyright (C) 2004-2016 Emulex. All rights reserved. *
9 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
17 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
65 #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
66 #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
83 #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */
86 /* Error Attention event polling interval */
87 #define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */
101 /* Number of MSI-X vectors the driver uses */
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/linux-6.14.4/Documentation/power/
Dcharger-manager.rst7 Charger Manager provides in-kernel battery charger management that
8 requires temperature monitoring during suspend-to-RAM state
12 Charger Manager is a platform_driver with power-supply-class entries.
13 An instance of Charger Manager (a platform-device created with Charger-Manager)
26 own power-supply-class and each power-supply-class can provide
28 aggregates charger-related information from multiple sources and
29 shows combined information as a single power-supply-class.
31 * Support for in suspend-to-RAM polling (with suspend_again callback)
32 While the battery is being charged and the system is in suspend-to-RAM,
33 we may need to monitor the battery health by looking at the ambient or
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/linux-6.14.4/include/linux/usb/
Dr8a66597.h1 // SPDX-License-Identifier: GPL-2.0
124 #define XTAL 0xC000 /* b15-14: Crystal selection */
133 #define HSE 0x0080 /* b7: Hi-speed enable */
135 #define DRPD 0x0020 /* b5: D+/- pull down control */
140 #define OVCBIT 0x8000 /* b15-14: Over-current bit */
141 #define OVCMON 0xC000 /* b15-14: Over-current monitor */
142 #define SOFEA 0x0020 /* b5: SOF monitor */
143 #define IDMON 0x0004 /* b3: ID-pin monitor */
144 #define LNST 0x0003 /* b1-0: D+, D- line status */
146 #define FS_KSTS 0x0002 /* Full-Speed K State */
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