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/linux-6.14.4/Documentation/trace/
Dboottime-trace.rst1 .. SPDX-License-Identifier: GPL-2.0
4 Boot-time tracing
12 Boot-time tracing allows users to trace boot-time process including
13 device initialization with full features of ftrace including per-event
14 filter and actions, histograms, kprobe-events and synthetic-events,
19 Options in the Boot Config
22 Here is the list of available options list for boot time tracing in
23 boot config file [1]_. All options are under "ftrace." or "kernel."
27 .. [1] See :ref:`Documentation/admin-guide/bootconfig.rst <bootconfig>`
28 .. [2] See :ref:`Documentation/admin-guide/kernel-parameters.rst <kernelparameters>`
[all …]
/linux-6.14.4/kernel/rcu/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # RCU-related configuration options
11 # Dynticks-idle tracking
26 thousands of CPUs, but for which real-time response
37 designed for UP systems from which real-time response
42 bool "Make expert-level adjustments to RCU configuration"
46 expert-level adjustments to RCU configuration. By default,
47 no such adjustments can be made, which has the often-beneficial
48 side-effect of preventing "make oldconfig" from asking you all
52 Say Y if you need to make expert-level adjustments to RCU.
[all …]
/linux-6.14.4/include/linux/
Dtimekeeping.h1 /* SPDX-License-Identifier: GPL-2.0 */
25 * ktime_get() family - read the current time in a multitude of ways.
27 * The default time reference is CLOCK_MONOTONIC, starting at
28 * boot time but not counting the time spent in suspend.
32 * To get the time in a different format, use the ones with
35 * See Documentation/core-api/timekeeping.rst for more details.
81 * ktime_get_real - get the real (wall-) time in ktime_t format
83 * Returns: real (wall) time in ktime_t format
96 * ktime_get_boottime - Get monotonic time since boot in ktime_t format
99 * time spent in suspend.
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/linux-6.14.4/Documentation/firmware-guide/acpi/
Ddebug.rst1 .. SPDX-License-Identifier: GPL-2.0
10 Compile-time configuration
16 Boot- and run-time configuration
20 you're interested in. At boot-time, use the acpi.debug_layer and
21 acpi.debug_level kernel command line options. After boot, you can use the
32 You can set the debug_layer mask at boot-time using the acpi.debug_layer
33 command line argument, and you can change it after boot by writing values
66 You can set the debug_level mask at boot-time using the acpi.debug_level
67 command line argument, and you can change it after boot by writing values
118 AML) during boot::
[all …]
/linux-6.14.4/crypto/
Djitterentropy-testing.c1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
15 #define JENT_TEST_RINGBUFFER_MASK (JENT_TEST_RINGBUFFER_SIZE - 1)
31 * boot variable:
32 * 0 ==> No boot test, gathering of runtime data allowed
33 * 1 ==> Boot test enabled and ready for collecting data, gathering runtime
35 * 2 ==> Boot test completed and disabled, gathering of runtime data is
43 spin_lock_irqsave(&data->lock, flags); in jent_testing_reset()
44 data->rb_reader = 0; in jent_testing_reset()
45 atomic_set(&data->rb_writer, 0); in jent_testing_reset()
46 spin_unlock_irqrestore(&data->lock, flags); in jent_testing_reset()
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/linux-6.14.4/arch/arm64/boot/dts/rockchip/
Drk3399-roc-pc.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Copyright (c) 2017 T-Chip Intelligent Technology Co., Ltd
6 /dts-v1/;
7 #include <dt-bindings/input/linux-event-codes.h>
8 #include <dt-bindings/pwm/pwm.h>
12 model = "Firefly ROC-RK3399-PC Board";
13 compatible = "firefly,roc-rk3399-pc", "rockchip,rk3399";
22 stdout-path = "serial2:1500000n8";
26 compatible = "pwm-backlight";
30 clkin_gmac: external-gmac-clock {
[all …]
Drk3399pro-vmarc-som.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/pinctrl/rockchip.h>
10 #include <dt-bindings/pwm/pwm.h>
13 compatible = "vamrs,rk3399pro-vmarc-som", "rockchip,rk3399pro";
21 vcc3v3_pcie: regulator-vcc-pcie {
22 compatible = "regulator-fixed";
23 enable-active-high;
25 pinctrl-names = "default";
26 pinctrl-0 = <&pcie_pwr>;
[all …]
Drk3399-leez-p710.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
7 #include <dt-bindings/input/linux-event-codes.h>
8 #include <dt-bindings/interrupt-controller/irq.h>
9 #include <dt-bindings/pwm/pwm.h>
24 stdout-path = "serial2:1500000n8";
27 clkin_gmac: external-gmac-clock {
28 compatible = "fixed-clock";
29 clock-frequency = <125000000>;
30 clock-output-names = "clkin_gmac";
[all …]
Drk3399-rock-pi-4.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 #include <dt-bindings/input/linux-event-codes.h>
8 #include <dt-bindings/leds/common.h>
9 #include <dt-bindings/pwm/pwm.h>
19 stdout-path = "serial2:1500000n8";
22 clkin_gmac: external-gmac-clock {
23 compatible = "fixed-clock";
24 clock-frequency = <125000000>;
25 clock-output-names = "clkin_gmac";
26 #clock-cells = <0>;
[all …]
Drk3399-hugsun-x99.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /dts-v1/;
3 #include <dt-bindings/pwm/pwm.h>
4 #include <dt-bindings/input/input.h>
5 #include <dt-bindings/interrupt-controller/irq.h>
20 stdout-path = "serial2:1500000n8";
23 clkin_gmac: external-gmac-clock {
24 compatible = "fixed-clock";
25 clock-frequency = <125000000>;
26 clock-output-names = "clkin_gmac";
[all …]
Drk3399-orangepi.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
8 #include "dt-bindings/pwm/pwm.h"
9 #include "dt-bindings/input/input.h"
10 #include <dt-bindings/interrupt-controller/irq.h>
11 #include "dt-bindings/usb/pd.h"
16 compatible = "xunlong,rk3399-orangepi", "rockchip,rk3399";
26 stdout-path = "serial2:1500000n8";
29 clkin_gmac: external-gmac-clock {
30 compatible = "fixed-clock";
[all …]
Drk3399-rockpro64.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 #include <dt-bindings/input/linux-event-codes.h>
8 #include <dt-bindings/pwm/pwm.h>
20 stdout-path = "serial2:1500000n8";
25 compatible = "pwm-backlight";
26 brightness-levels = <0 4 8 16 32 64 128 255>;
27 default-brightness-level = <5>;
32 clkin_gmac: external-gmac-clock {
33 compatible = "fixed-clock";
34 clock-frequency = <125000000>;
[all …]
Drk3399-firefly.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
7 #include <dt-bindings/input/linux-event-codes.h>
8 #include <dt-bindings/interrupt-controller/irq.h>
9 #include <dt-bindings/pwm/pwm.h>
10 #include <dt-bindings/usb/pd.h>
14 model = "Firefly-RK3399 Board";
15 compatible = "firefly,firefly-rk3399", "rockchip,rk3399";
25 stdout-path = "serial2:1500000n8";
29 compatible = "pwm-backlight";
[all …]
Drk3399-nanopi4.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * RK3399-based FriendlyElec boards device tree source
14 /dts-v1/;
15 #include <dt-bindings/input/linux-event-codes.h>
27 stdout-path = "serial2:1500000n8";
30 clkin_gmac: external-gmac-clock {
31 compatible = "fixed-clock";
32 clock-frequency = <125000000>;
33 clock-output-names = "clkin_gmac";
34 #clock-cells = <0>;
[all …]
/linux-6.14.4/tools/testing/ktest/
Dsample.conf54 # MIN_CONFIG = /home/test/config-test1
57 # MIN_CONFIG = /home/test/config-default
62 # /home/test/config-test-1. Then 10 tests will be executed
63 # with MIN_CONFIG with /home/test/config-default.
68 # MIN_CONFIG = /home/test/config-use-sometimes
71 # MIN_CONFIG = /home/test/config-most-times
112 # BUILD_TYPE = useconfig:${CONFIG_DIR}/config-network
116 # BUILD_TYPE = useconfig:${CONFIG_DIR}/config-normal
124 # BUILD_TYPE = useconfig:${CONFIG_DIR}/config-network
127 # BUILD_TYPE = useconfig:${CONFIG_DIR}/config-tests
[all …]
/linux-6.14.4/drivers/net/
DSpace.c1 // SPDX-License-Identifier: GPL-2.0-or-later
17 * - get rid of pre-linked dev list, dynamic device allocation
19 * - struct init cleanup, enable multiple ISA autoprobes.
20 * Arnaldo Carvalho de Melo <[email protected]> - 09/1999
21 * - fix sbni: s/device/net_device/
23 * - sort probes in a sane way, make sure all (safe) probes
34 * This structure holds boot-time configured netdevice settings. They
46 * Device Boot-time Settings Routines
50 /* Boot time configuration table */
54 * netdev_boot_setup_add - add new setup entry
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/linux-6.14.4/tools/power/pm-graph/
Dbootgraph.83 bootgraph \- Kernel boot timing analysis
10 \fBbootgraph \fP reads the dmesg log from kernel boot and
24 Generates output files in subdirectory: boot-yymmdd-HHMMSS
30 \fB-h\fR
33 \fB-v\fR
36 \fB-addlogs\fR
40 \fB-result \fIfile\fR
43 \fB-o \fIname\fR
45 Use {date}, {time}, {hostname} for current values.
47 e.g. boot-{hostname}-{date}-{time}
[all …]
/linux-6.14.4/security/integrity/ima/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
36 bool "Enable carrying the IMA measurement list across a soft boot"
41 a TPM's quote after a soft boot, the IMA measurement list of the
42 running kernel must be saved and restored on boot.
71 limited to 255 characters. The 'ima-ng' measurement list
74 by specifying "ima_template=" on the boot command line.
77 bool "ima-ng (default)"
79 bool "ima-sig"
84 default "ima-ng" if IMA_NG_TEMPLATE
85 default "ima-sig" if IMA_SIG_TEMPLATE
[all …]
/linux-6.14.4/arch/arm/boot/dts/rockchip/
Drk3288-veyron.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 #include <dt-bindings/clock/rockchip,rk808.h>
9 #include <dt-bindings/input/input.h>
18 stdout-path = "serial2:115200n8";
31 power_button: power-button {
32 compatible = "gpio-keys";
33 pinctrl-names = "default";
34 pinctrl-0 = <&pwr_key_l>;
36 key-power {
40 debounce-interval = <100>;
[all …]
/linux-6.14.4/include/linux/platform_data/
Dmtd-nand-s3c2410.h1 /* SPDX-License-Identifier: GPL-2.0-only */
6 * S3C2410 - NAND device controller platform_device info
15 * struct s3c2410_nand_set - define a set of one or more nand chips
16 * @flash_bbt: Openmoko u-boot can create a Bad Block Table
18 * look for it at boot time and also skip the NAND
24 * @nr_map: Map for low-layer logical to physical chip numbers (option)
29 * a warning at boot time.
46 int tacls; /* time for active CLE/ALE to nWE/nOE */
47 int twrph0; /* active time for nWE/nOE */
48 int twrph1; /* time for release CLE/ALE from nWE/nOE inactive */
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/linux-6.14.4/include/linux/sunrpc/
Dcache.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Generic code for various authentication-related caches
22 * - A 'struct cache_detail' which contains information specific to the cache
24 * - An item structure that must contain a "struct cache_head"
25 * - A lookup function defined using DefineCacheLookup
26 * - A 'put' function that can release a cache item. It will only
29 * - A function to calculate a hash of an item's key.
49 time64_t expiry_time; /* After time expiry_time, don't use
54 * be *after* ->flush_time.
63 CACHE_NEGATIVE, /* Negative entry - there is no match for the key */
[all …]
/linux-6.14.4/Documentation/timers/
Dno_hz.rst2 NO_HZ: Reducing Scheduling-Clock Ticks
6 This document describes Kconfig options and boot parameters that can
7 reduce the number of scheduling-clock interrupts, thereby improving energy
9 some types of computationally intensive high-performance computing (HPC)
10 applications and for real-time applications.
12 There are three main ways of managing scheduling-clock interrupts
13 (also known as "scheduling-clock ticks" or simply "ticks"):
15 1. Never omit scheduling-clock ticks (CONFIG_HZ_PERIODIC=y or
16 CONFIG_NO_HZ=n for older kernels). You normally will -not-
19 2. Omit scheduling-clock ticks on idle CPUs (CONFIG_NO_HZ_IDLE=y or
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/linux-6.14.4/arch/arm64/include/asm/
Dfixmap.h2 * fixmap.h: compile-time virtual memory allocation
22 #include <asm/boot.h>
24 #include <asm/pgtable-prot.h>
27 * Here we define all the compile-time 'special' virtual
29 * compile time, but to set the physical address only
30 * in the boot process.
32 * Each enum increment in these 'compile-time allocated'
33 * memory buffers is page-sized. Use set_fixmap(idx,phys)
73 * Temporary boot-time mappings, used by early_ioremap(),
81 FIX_BTMAP_BEGIN = FIX_BTMAP_END + TOTAL_FIX_BTMAPS - 1,
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/linux-6.14.4/arch/x86/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
4 bool "64-bit kernel" if "$(ARCH)" = "x86"
7 Say yes to build a 64-bit kernel - formerly known as x86_64
8 Say no to build a 32-bit kernel - formerly known as i386
13 # Options that are inherently 32-bit kernel only:
27 # Options that are inherently 64-bit kernel only:
55 # ported to 32-bit as well. )
154 # Word-size accesses may read uninitialized data past the trailing \0
336 default "elf32-i386" if X86_32
337 default "elf64-x86-64" if X86_64
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/linux-6.14.4/arch/arm64/boot/dts/nvidia/
Dtegra210-p2180.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 #include <dt-bindings/mfd/max77620.h>
17 stdout-path = "serial0:115200n8";
26 vdd-supply = <&vdd_gpu>;
31 /delete-property/ dmas;
32 /delete-property/ dma-names;
37 /delete-property/ reg-shift;
39 compatible = "nvidia,tegra30-hsuart";
40 reset-names = "serial";
43 compatible = "brcm,bcm43540-bt";
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