| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/opp/ |
| D | qcom-nvmem-cpufreq.txt | 5 the CPU frequencies subset and voltage value of each OPP varies based on
8 defines the voltage and frequency value based on the msm-id in SMEM
10 The qcom-cpufreq-nvmem driver reads the msm-id and efuse value from the SoC
13 operating-points-v2 table when it is parsed by the OPP framework.
16 --------------------
17 In 'cpu' nodes:
18 - operating-points-v2: Phandle to the operating-points-v2 table to use.
20 In 'operating-points-v2' table:
21 - compatible: Should be
22 - 'operating-points-v2-kryo-cpu' for apq8096, msm8996, msm8974,
[all …]
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| D | opp.txt | 2 ----------------------------------------------------
4 Devices work at voltage-current-frequency combinations and some implementations
8 uses CPU as a device.
13 Binding 1: operating-points
16 This binding only supports voltage-frequency pairs.
19 - operating-points: An array of 2-tuples items, and each item consists
20 of frequency and voltage like <freq-kHz vol-uV>.
26 cpu@0 {
27 compatible = "arm,cortex-a9";
29 next-level-cache = <&L2>;
[all …]
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| /kernel/linux/linux-6.6/arch/arm/boot/dts/samsung/ |
| D | exynos4412.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
23 #address-cells = <1>;
24 #size-cells = <0>;
26 cpu-map {
29 cpu = <&cpu0>;
32 cpu = <&cpu1>;
35 cpu = <&cpu2>;
38 cpu = <&cpu3>;
43 cpu0: cpu@a00 {
44 device_type = "cpu";
[all …]
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| D | exynos4212.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
23 #address-cells = <1>;
24 #size-cells = <0>;
26 cpu-map {
29 cpu = <&cpu0>;
32 cpu = <&cpu1>;
37 cpu0: cpu@a00 {
38 device_type = "cpu";
39 compatible = "arm,cortex-a9";
42 clock-names = "cpu";
[all …]
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| /kernel/linux/linux-6.6/arch/arm64/boot/dts/apple/ |
| D | t600x-common.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
11 #address-cells = <2>;
12 #size-cells = <2>;
15 #address-cells = <2>;
16 #size-cells = <0>;
18 cpu-map {
21 cpu = <&cpu_e00>;
24 cpu = <&cpu_e01>;
30 cpu = <&cpu_p00>;
33 cpu = <&cpu_p01>;
[all …]
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| D | t8112.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/interrupt-controller/apple-aic.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
13 #include <dt-bindings/pinctrl/apple.h>
14 #include <dt-bindings/spmi/spmi.h>
17 compatible = "apple,t8112", "apple,arm-platform";
19 #address-cells = <2>;
20 #size-cells = <2>;
23 #address-cells = <2>;
[all …]
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| D | t8103.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/interrupt-controller/apple-aic.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
13 #include <dt-bindings/pinctrl/apple.h>
16 compatible = "apple,t8103", "apple,arm-platform";
18 #address-cells = <2>;
19 #size-cells = <2>;
22 #address-cells = <2>;
23 #size-cells = <0>;
[all …]
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| /kernel/linux/linux-6.6/Documentation/trace/ |
| D | timerlat-tracer.rst | 6 find sources of wakeup latencies of real-time threads. Like cyclictest,
13 -----
28 # _-----=> irqs-off
29 # / _----=> need-resched
30 # | / _---=> hardirq/softirq
31 # || / _--=> preempt-depth
34 # TASK-PID CPU# |||| TIMESTAMP ID CONTEXT LATENCY
36 <idle>-0 [000] d.h1 54.029328: #1 context irq timer_latency 932 ns
37 <...>-867 [000] .... 54.029339: #1 context thread timer_latency 11700 ns
38 <idle>-0 [001] dNh1 54.029346: #1 context irq timer_latency 2833 ns
[all …]
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/opp/ |
| D | opp-v2.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Viresh Kumar <viresh.kumar@linaro.org>
13 - $ref: opp-v2-base.yaml#
17 const: operating-points-v2
22 - |
24 * Example 1: Single cluster Dual-core ARM cortex A9, switch DVFS states
28 #address-cells = <1>;
[all …]
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| D | opp-v2-kryo-cpu.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/opp/opp-v2-kryo-cpu.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ilia Lin <ilia.lin@kernel.org>
13 - $ref: opp-v2-base.yaml#
17 the CPU frequencies subset and voltage value of each OPP varies based on
22 The qcom-cpufreq-nvmem driver reads the efuse value from the SoC to provide
25 operating-points-v2 table when it is parsed by the OPP framework.
29 const: operating-points-v2-kryo-cpu
[all …]
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| /kernel/linux/linux-6.6/arch/arm64/boot/dts/ti/ |
| D | k3-am625.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
7 * Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com/
10 /dts-v1/;
12 #include "k3-am62.dtsi"
16 #address-cells = <1>;
17 #size-cells = <0>;
19 cpu-map {
22 cpu = <&cpu0>;
26 cpu = <&cpu1>;
30 cpu = <&cpu2>;
[all …]
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| /kernel/linux/linux-6.6/arch/arm/boot/dts/allwinner/ |
| D | sun8i-a33.dtsi | 2 * Copyright 2014 Chen-Yu Tsai
4 * Chen-Yu Tsai <wens@csie.org>
6 * This file is dual-licensed: you can use it either under the terms
45 #include "sun8i-a23-a33.dtsi"
46 #include <dt-bindings/thermal/thermal.h>
49 cpu0_opp_table: opp-table-cpu {
50 compatible = "operating-points-v2";
51 opp-shared;
53 opp-120000000 {
54 opp-hz = /bits/ 64 <120000000>;
[all …]
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| /kernel/linux/linux-5.10/arch/arm/boot/dts/ |
| D | sun8i-a33.dtsi | 2 * Copyright 2014 Chen-Yu Tsai
4 * Chen-Yu Tsai <wens@csie.org>
6 * This file is dual-licensed: you can use it either under the terms
45 #include "sun8i-a23-a33.dtsi"
46 #include <dt-bindings/thermal/thermal.h>
49 cpu0_opp_table: opp-table-cpu {
50 compatible = "operating-points-v2";
51 opp-shared;
53 opp-120000000 {
54 opp-hz = /bits/ 64 <120000000>;
[all …]
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| D | exynos4412.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
19 #include "exynos4-cpu-thermal.dtsi"
29 fimc-lite0 = &fimc_lite_0;
30 fimc-lite1 = &fimc_lite_1;
35 #address-cells = <1>;
36 #size-cells = <0>;
38 cpu0: cpu@a00 {
39 device_type = "cpu";
40 compatible = "arm,cortex-a9";
43 clock-names = "cpu";
[all …]
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| /kernel/linux/linux-6.6/arch/arm64/boot/dts/freescale/ |
| D | imx8qm.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2018-2019 NXP
7 #include <dt-bindings/clock/imx8-lpcg.h>
8 #include <dt-bindings/firmware/imx/rsrc.h>
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 #include <dt-bindings/pinctrl/pads-imx8qm.h>
12 #include <dt-bindings/thermal/thermal.h>
15 interrupt-parent = <&gic>;
16 #address-cells = <2>;
[all …]
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/cpufreq/ |
| D | apple,cluster-cpufreq.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/cpufreq/apple,cluster-cpufreq.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Hector Martin <marcan@marcan.st>
13 Apple SoCs (e.g. M1) have a per-cpu-cluster DVFS controller that is part of
15 operating-points-v2 table to define the CPU performance states, with the
16 opp-level property specifying the hardware p-state index for that level.
21 - items:
22 - enum:
[all …]
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/powerpc/opal/ |
| D | power-mgt.txt | 1 IBM Power-Management Bindings
6 node @power-mgt in the device-tree by the firmware.
9 ----------------
12 - name: The name of the idle state as defined by the firmware.
14 - flags: indicating some aspects of this idle states such as the
15 extent of state-loss, whether timebase is stopped on this
18 - exit-latency: The latency involved in transitioning the state of the
19 CPU from idle to running.
21 - target-residency: The minimum time that the CPU needs to reside in
22 this idle state in order to accrue power-savings
[all …]
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/powerpc/opal/ |
| D | power-mgt.txt | 1 IBM Power-Management Bindings
6 node @power-mgt in the device-tree by the firmware.
9 ----------------
12 - name: The name of the idle state as defined by the firmware.
14 - flags: indicating some aspects of this idle states such as the
15 extent of state-loss, whether timebase is stopped on this
18 - exit-latency: The latency involved in transitioning the state of the
19 CPU from idle to running.
21 - target-residency: The minimum time that the CPU needs to reside in
22 this idle state in order to accrue power-savings
[all …]
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| /kernel/linux/linux-6.6/tools/perf/scripts/python/ |
| D | futex-contention.py | 18 '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
25 lock_waits = {} # long-lived stats on (tid,lock) blockage elapsed time
26 process_names = {} # long-lived pid-to-execname mapping
29 def syscalls__sys_enter_futex(event, ctxt, cpu, s, ns, tid, comm, callchain, argument
37 thread_blocktime[tid] = nsecs(s, ns)
40 def syscalls__sys_exit_futex(event, ctxt, cpu, s, ns, tid, comm, callchain, argument
43 elapsed = nsecs(s, ns) - thread_blocktime[tid]
56 print("%s[%d] lock %x contended %d times, %d avg ns [max: %d ns, min %d ns]" %
|
| /kernel/linux/linux-5.10/tools/perf/scripts/python/ |
| D | futex-contention.py | 18 '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
25 lock_waits = {} # long-lived stats on (tid,lock) blockage elapsed time
26 process_names = {} # long-lived pid-to-execname mapping
29 def syscalls__sys_enter_futex(event, ctxt, cpu, s, ns, tid, comm, callchain, argument
37 thread_blocktime[tid] = nsecs(s, ns)
40 def syscalls__sys_exit_futex(event, ctxt, cpu, s, ns, tid, comm, callchain, argument
43 elapsed = nsecs(s, ns) - thread_blocktime[tid]
56 print("%s[%d] lock %x contended %d times, %d avg ns [max: %d ns, min %d ns]" %
|
| /kernel/linux/linux-6.6/arch/riscv/boot/dts/starfive/ |
| D | jh7110-starfive-visionfive-2.dtsi | 1 // SPDX-License-Identifier: GPL-2.0 OR MIT
7 /dts-v1/;
9 #include "jh7110-pinfunc.h"
10 #include <dt-bindings/gpio/gpio.h>
26 stdout-path = "serial0:115200n8";
30 timebase-frequency = <4000000>;
38 gpio-restart {
39 compatible = "gpio-restart";
46 clock-frequency = <74250000>;
50 clock-frequency = <125000000>;
[all …]
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| /kernel/linux/linux-5.10/drivers/of/ |
| D | fdt_address.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * FDT Address translation based on u-boot fdt_support.c which in turn was
9 * Copyright 2010-2011 Freescale Semiconductor, Inc.
22 #define OF_CHECK_COUNTS(na, ns) ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \ argument
23 (ns) > 0)
30 while(na--) in of_dump_addr()
43 int na, int ns, int pna);
54 prop = fdt_getprop(blob, parentoffset, "#address-cells", NULL); in fdt_bus_default_count_cells()
62 prop = fdt_getprop(blob, parentoffset, "#size-cells", NULL); in fdt_bus_default_count_cells()
71 int na, int ns, int pna) in fdt_bus_default_map() argument
[all …]
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| /kernel/linux/linux-6.6/drivers/of/ |
| D | fdt_address.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * FDT Address translation based on u-boot fdt_support.c which in turn was
9 * Copyright 2010-2011 Freescale Semiconductor, Inc.
22 #define OF_CHECK_COUNTS(na, ns) ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \ argument
23 (ns) > 0)
30 while(na--) in of_dump_addr()
43 int na, int ns, int pna);
54 prop = fdt_getprop(blob, parentoffset, "#address-cells", NULL); in fdt_bus_default_count_cells()
62 prop = fdt_getprop(blob, parentoffset, "#size-cells", NULL); in fdt_bus_default_count_cells()
71 int na, int ns, int pna) in fdt_bus_default_map() argument
[all …]
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| /kernel/linux/linux-5.10/kernel/locking/ |
| D | qspinlock_stat.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
21 * PV specific per-cpu counter
30 * Average kick latency (ns) = pv_latency_kick/pv_kick_unlock
32 * Average wake latency (ns) = pv_latency_wake/pv_kick_wake
40 int cpu, id, len; in lockevent_read() local
44 * Get the counter ID stored in file->f_inode->i_private in lockevent_read()
46 id = (long)file_inode(file)->i_private; in lockevent_read()
49 return -EBADF; in lockevent_read()
51 for_each_possible_cpu(cpu) { in lockevent_read()
52 sum += per_cpu(lockevents[id], cpu); in lockevent_read()
[all …]
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| /kernel/linux/linux-6.6/kernel/locking/ |
| D | qspinlock_stat.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
21 * PV specific per-cpu counter
30 * Average kick latency (ns) = pv_latency_kick/pv_kick_unlock
32 * Average wake latency (ns) = pv_latency_wake/pv_kick_wake
40 int cpu, id, len; in lockevent_read() local
44 * Get the counter ID stored in file->f_inode->i_private in lockevent_read()
46 id = (long)file_inode(file)->i_private; in lockevent_read()
49 return -EBADF; in lockevent_read()
51 for_each_possible_cpu(cpu) { in lockevent_read()
52 sum += per_cpu(lockevents[id], cpu); in lockevent_read()
[all …]
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