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/kernel/linux/linux-6.6/Documentation/devicetree/bindings/cpu/
Didle-states.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/cpu/idle-states.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
11 - Anup Patel <anup@brainfault.org>
15 1 - Introduction
18 ARM and RISC-V systems contain HW capable of managing power consumption
19 dynamically, where cores can be put in different low-power states (ranging
22 run-time, can be specified through device tree bindings representing the
[all …]
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/arm/
Didle-states.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/arm/idle-states.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
14 1 - Introduction
18 where cores can be put in different low-power states (ranging from simple wfi
20 range of dynamic idle states that a processor can enter at run-time, can be
27 - Running
28 - Idle_standby
[all …]
Dpsci.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
15 processors") can be used by Linux to initiate various CPU-centric power
25 r0 => 32-bit Function ID / return value
26 {r1 - r3} => Parameters
40 - description:
44 - description:
46 const: arm,psci-0.2
[all …]
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/power/
Ddomain-idle-state.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/domain-idle-state.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ulf Hansson <ulf.hansson@linaro.org>
18 const: domain-idle-states
21 "^(cpu|cluster|domain)-":
28 const: domain-idle-state
30 entry-latency-us:
33 state. Note that, the exit-latency-us duration may be guaranteed only
[all …]
Dpower-domain.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/power-domain.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rafael J. Wysocki <rjw@rjwysocki.net>
11 - Kevin Hilman <khilman@kernel.org>
12 - Ulf Hansson <ulf.hansson@linaro.org>
24 \#power-domain-cells property in the PM domain provider node.
28 pattern: "^(power-controller|power-domain)([@-].*)?$"
30 domain-idle-states:
[all …]
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/power/
Ddomain-idle-state.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/domain-idle-state.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ulf Hansson <ulf.hansson@linaro.org>
18 const: domain-idle-states
21 "^(cpu|cluster|domain)-":
29 const: domain-idle-state
31 entry-latency-us:
34 state. Note that, the exit-latency-us duration may be guaranteed only
[all …]
Dpower-domain.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/power-domain.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rafael J. Wysocki <rjw@rjwysocki.net>
11 - Kevin Hilman <khilman@kernel.org>
12 - Ulf Hansson <ulf.hansson@linaro.org>
24 \#power-domain-cells property in the PM domain provider node.
28 pattern: "^(power-controller|power-domain)([@-].*)?$"
30 domain-idle-states:
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/kernel/linux/linux-5.10/tools/perf/pmu-events/arch/x86/broadwellde/
Dbdwde-metrics.json16 …"MetricExpr": "min( 1 , IDQ.MITE_UOPS / ( UOPS_RETIRED.RETIRE_SLOTS / INST_RETIRED.ANY * 16 * ( IC…
33 …"BriefDescription": "Per-thread actual clocks when the logical processor is active. This is called…
39 "BriefDescription": "Total issue-pipeline slots",
57 …"BriefDescription": "Instruction-Level-Parallelism (average number of uops executed when there is …
64 …"MetricExpr": "2* ( RS_EVENTS.EMPTY_CYCLES - ICACHE.IFDATA_STALL - ( 14 * ITLB_MISSES.STLB_HIT + …
75 "BriefDescription": "Actual Average Latency for L1 data-cache miss demand loads",
81 …"BriefDescription": "Memory-Level-Parallelism (average number of L1 miss demand load when there is…
112 …"MetricExpr": "1 - CPU_CLK_THREAD_UNHALTED.ONE_THREAD_ACTIVE / ( CPU_CLK_THREAD_UNHALTED.REF_XCLK_…
123 "BriefDescription": "C3 residency percent per core",
124 "MetricExpr": "(cstate_core@c3\\-residency@ / msr@tsc@) * 100",
[all …]
/kernel/linux/linux-6.6/tools/perf/pmu-events/arch/x86/jaketown/
Djkt-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",
[all …]
/kernel/linux/linux-6.6/tools/perf/pmu-events/arch/x86/sandybridge/
Dsnb-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",
[all …]
/kernel/linux/linux-5.10/arch/arm64/boot/dts/qcom/
Dsdm630.dtsi1 // SPDX-License-Identifier: BSD-3-Clause
6 #include <dt-bindings/clock/qcom,gcc-sdm660.h>
7 #include <dt-bindings/clock/qcom,rpmcc.h>
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
12 interrupt-parent = <&intc>;
14 #address-cells = <2>;
15 #size-cells = <2>;
20 xo_board: xo-board {
21 compatible = "fixed-clock";
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/kernel/linux/linux-6.6/Documentation/devicetree/bindings/arm/
Dpsci.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
15 processors") can be used by Linux to initiate various CPU-centric power
25 r0 => 32-bit Function ID / return value
26 {r1 - r3} => Parameters
40 - description:
44 - description:
52 - const: arm,psci-0.2
[all …]
/kernel/linux/linux-5.10/tools/perf/pmu-events/arch/x86/jaketown/
Djkt-metrics.json7 …-lines are fetched from the memory subsystem; parsed into instructions; and lastly decoded into mi…
14 …-lines are fetched from the memory subsystem; parsed into instructions; and lastly decoded into mi…
18 …"MetricExpr": "( UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 * INT_MISC.RECOVERY_CYCLES ) / (4…
21 …s for which the issue-pipeline was blocked due to recovery from earlier incorrect speculation. For…
25 …"MetricExpr": "( UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 * (( INT_MISC.RECOVERY_CYCLES_ANY…
28 …s for which the issue-pipeline was blocked due to recovery from earlier incorrect speculation. For…
32 …"MetricExpr": "1 - ( (IDQ_UOPS_NOT_DELIVERED.CORE / (4 * cycles)) + (( UOPS_ISSUED.ANY - UOPS_RETI…
35 …-of-order scheduler dispatches ready uops into their respective execution units; and once complete…
39 …- ( (IDQ_UOPS_NOT_DELIVERED.CORE / (4 * (( ( CPU_CLK_UNHALTED.THREAD / 2 ) * ( 1 + CPU_CLK_UNHALTE…
42 …-of-order scheduler dispatches ready uops into their respective execution units; and once complete…
[all …]
/kernel/linux/linux-5.10/tools/perf/pmu-events/arch/x86/sandybridge/
Dsnb-metrics.json7 …-lines are fetched from the memory subsystem; parsed into instructions; and lastly decoded into mi…
14 …-lines are fetched from the memory subsystem; parsed into instructions; and lastly decoded into mi…
18 …"MetricExpr": "( UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 * INT_MISC.RECOVERY_CYCLES ) / (4…
21 …s for which the issue-pipeline was blocked due to recovery from earlier incorrect speculation. For…
25 …"MetricExpr": "( UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 * (( INT_MISC.RECOVERY_CYCLES_ANY…
28 …s for which the issue-pipeline was blocked due to recovery from earlier incorrect speculation. For…
32 …"MetricExpr": "1 - ( (IDQ_UOPS_NOT_DELIVERED.CORE / (4 * cycles)) + (( UOPS_ISSUED.ANY - UOPS_RETI…
35 …-of-order scheduler dispatches ready uops into their respective execution units; and once complete…
39 …- ( (IDQ_UOPS_NOT_DELIVERED.CORE / (4 * (( ( CPU_CLK_UNHALTED.THREAD / 2 ) * ( 1 + CPU_CLK_UNHALTE…
42 …-of-order scheduler dispatches ready uops into their respective execution units; and once complete…
[all …]
/kernel/linux/linux-6.6/arch/arm64/boot/dts/qcom/
Dsm4450.dtsi1 // SPDX-License-Identifier: BSD-3-Clause
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/interrupt-controller/arm-gic.h>
10 interrupt-parent = <&intc>;
12 #address-cells = <2>;
13 #size-cells = <2>;
18 xo_board: xo-board {
19 compatible = "fixed-clock";
20 clock-frequency = <76800000>;
21 #clock-cells = <0>;
[all …]
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/arm/msm/
Dqcom,idle-state.txt3 ARM provides idle-state node to define the cpuidle states, as defined in [1].
4 cpuidle-qcom is the cpuidle driver for Qualcomm SoCs and uses these idle
5 states. Idle states have different enter/exit latency and residency values.
6 The idle states supported by the QCOM SoC are defined as -
44 code in the EL for the SoC. On SoCs with write-back L1 cache, the cache has to
50 be flushed, system bus, clocks - lowered, and SoC main XO clock gated and
52 power modes possible at this state is vast, the exit latency and the residency
58 The idle-state for QCOM SoCs are distinguished by the compatible property of
59 the idle-states device node.
61 The devicetree representation of the idle state should be -
[all …]
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/arm/msm/
Dqcom,idle-state.txt3 ARM provides idle-state node to define the cpuidle states, as defined in [1].
4 cpuidle-qcom is the cpuidle driver for Qualcomm SoCs and uses these idle
5 states. Idle states have different enter/exit latency and residency values.
6 The idle states supported by the QCOM SoC are defined as -
44 code in the EL for the SoC. On SoCs with write-back L1 cache, the cache has to
50 be flushed, system bus, clocks - lowered, and SoC main XO clock gated and
52 power modes possible at this state is vast, the exit latency and the residency
58 The idle-state for QCOM SoCs are distinguished by the compatible property of
59 the idle-states device node.
61 The devicetree representation of the idle state should be -
[all …]
/kernel/linux/linux-6.6/tools/perf/pmu-events/arch/x86/haswell/
Dhsw-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",
[all …]
/kernel/linux/linux-6.6/drivers/gpu/drm/i915/gt/
Dintel_gt_pm_debugfs.c1 // SPDX-License-Identifier: MIT
29 atomic_inc(&gt->user_wakeref); in intel_gt_pm_debugfs_forcewake_user_open()
31 if (GRAPHICS_VER(gt->i915) >= 6) in intel_gt_pm_debugfs_forcewake_user_open()
32 intel_uncore_forcewake_user_get(gt->uncore); in intel_gt_pm_debugfs_forcewake_user_open()
37 if (GRAPHICS_VER(gt->i915) >= 6) in intel_gt_pm_debugfs_forcewake_user_release()
38 intel_uncore_forcewake_user_put(gt->uncore); in intel_gt_pm_debugfs_forcewake_user_release()
40 atomic_dec(&gt->user_wakeref); in intel_gt_pm_debugfs_forcewake_user_release()
45 struct intel_gt *gt = inode->i_private; in forcewake_user_open()
54 struct intel_gt *gt = inode->i_private; in forcewake_user_release()
69 struct intel_gt *gt = m->private; in fw_domains_show()
[all …]
/kernel/linux/linux-5.10/tools/perf/pmu-events/arch/x86/haswell/
Dhsw-metrics.json7 …-lines are fetched from the memory subsystem; parsed into instructions; and lastly decoded into mi…
14 …-lines are fetched from the memory subsystem; parsed into instructions; and lastly decoded into mi…
18 …"MetricExpr": "( UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 * INT_MISC.RECOVERY_CYCLES ) / (4…
21 …s for which the issue-pipeline was blocked due to recovery from earlier incorrect speculation. For…
25 …"MetricExpr": "( UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 * (( INT_MISC.RECOVERY_CYCLES_ANY…
28 …s for which the issue-pipeline was blocked due to recovery from earlier incorrect speculation. For…
32 …"MetricExpr": "1 - ( (IDQ_UOPS_NOT_DELIVERED.CORE / (4 * cycles)) + (( UOPS_ISSUED.ANY - UOPS_RETI…
35 …-of-order scheduler dispatches ready uops into their respective execution units; and once complete…
39 …- ( (IDQ_UOPS_NOT_DELIVERED.CORE / (4 * (( ( CPU_CLK_UNHALTED.THREAD / 2 ) * ( 1 + CPU_CLK_UNHALTE…
42 …-of-order scheduler dispatches ready uops into their respective execution units; and once complete…
[all …]
/kernel/linux/linux-5.10/tools/perf/pmu-events/arch/x86/ivybridge/
Divb-metrics.json7 …-lines are fetched from the memory subsystem; parsed into instructions; and lastly decoded into mi…
14 …-lines are fetched from the memory subsystem; parsed into instructions; and lastly decoded into mi…
18 …"MetricExpr": "( UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 * INT_MISC.RECOVERY_CYCLES ) / (4…
21 …s for which the issue-pipeline was blocked due to recovery from earlier incorrect speculation. For…
25 …"MetricExpr": "( UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 * (( INT_MISC.RECOVERY_CYCLES_ANY…
28 …s for which the issue-pipeline was blocked due to recovery from earlier incorrect speculation. For…
32 …"MetricExpr": "1 - ( (IDQ_UOPS_NOT_DELIVERED.CORE / (4 * cycles)) + (( UOPS_ISSUED.ANY - UOPS_RETI…
35 …-of-order scheduler dispatches ready uops into their respective execution units; and once complete…
39 …- ( (IDQ_UOPS_NOT_DELIVERED.CORE / (4 * (( ( CPU_CLK_UNHALTED.THREAD / 2 ) * ( 1 + CPU_CLK_UNHALTE…
42 …-of-order scheduler dispatches ready uops into their respective execution units; and once complete…
[all …]
/kernel/linux/linux-5.10/tools/perf/pmu-events/arch/x86/ivytown/
Divt-metrics.json7 …-lines are fetched from the memory subsystem; parsed into instructions; and lastly decoded into mi…
14 …-lines are fetched from the memory subsystem; parsed into instructions; and lastly decoded into mi…
18 …"MetricExpr": "( UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 * INT_MISC.RECOVERY_CYCLES ) / (4…
21 …s for which the issue-pipeline was blocked due to recovery from earlier incorrect speculation. For…
25 …"MetricExpr": "( UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 * (( INT_MISC.RECOVERY_CYCLES_ANY…
28 …s for which the issue-pipeline was blocked due to recovery from earlier incorrect speculation. For…
32 …"MetricExpr": "1 - ( (IDQ_UOPS_NOT_DELIVERED.CORE / (4 * cycles)) + (( UOPS_ISSUED.ANY - UOPS_RETI…
35 …-of-order scheduler dispatches ready uops into their respective execution units; and once complete…
39 …- ( (IDQ_UOPS_NOT_DELIVERED.CORE / (4 * (( ( CPU_CLK_UNHALTED.THREAD / 2 ) * ( 1 + CPU_CLK_UNHALTE…
42 …-of-order scheduler dispatches ready uops into their respective execution units; and once complete…
[all …]
/kernel/linux/linux-5.10/tools/perf/pmu-events/arch/x86/haswellx/
Dhsx-metrics.json7 …-lines are fetched from the memory subsystem; parsed into instructions; and lastly decoded into mi…
14 …-lines are fetched from the memory subsystem; parsed into instructions; and lastly decoded into mi…
18 …"MetricExpr": "( UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 * INT_MISC.RECOVERY_CYCLES ) / (4…
21 …s for which the issue-pipeline was blocked due to recovery from earlier incorrect speculation. For…
25 …"MetricExpr": "( UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 * (( INT_MISC.RECOVERY_CYCLES_ANY…
28 …s for which the issue-pipeline was blocked due to recovery from earlier incorrect speculation. For…
32 …"MetricExpr": "1 - ( (IDQ_UOPS_NOT_DELIVERED.CORE / (4 * cycles)) + (( UOPS_ISSUED.ANY - UOPS_RETI…
35 …-of-order scheduler dispatches ready uops into their respective execution units; and once complete…
39 …- ( (IDQ_UOPS_NOT_DELIVERED.CORE / (4 * (( ( CPU_CLK_UNHALTED.THREAD / 2 ) * ( 1 + CPU_CLK_UNHALTE…
42 …-of-order scheduler dispatches ready uops into their respective execution units; and once complete…
[all …]
/kernel/linux/linux-6.6/tools/perf/pmu-events/arch/x86/alderlaken/
Dadln-metrics.json3 "BriefDescription": "C10 residency percent per package",
4 "MetricExpr": "cstate_pkg@c10\\-residency@ / TSC",
10 "BriefDescription": "C1 residency percent per core",
11 "MetricExpr": "cstate_core@c1\\-residency@ / TSC",
17 "BriefDescription": "C2 residency percent per package",
18 "MetricExpr": "cstate_pkg@c2\\-residency@ / TSC",
24 "BriefDescription": "C3 residency percent per package",
25 "MetricExpr": "cstate_pkg@c3\\-residency@ / TSC",
31 "BriefDescription": "C6 residency percent per core",
32 "MetricExpr": "cstate_core@c6\\-residency@ / TSC",
[all …]
/kernel/linux/linux-5.10/tools/perf/pmu-events/arch/x86/skylake/
Dskl-metrics.json7 …-lines are fetched from the memory subsystem; parsed into instructions; and lastly decoded into mi…
14 …-lines are fetched from the memory subsystem; parsed into instructions; and lastly decoded into mi…
18 …"MetricExpr": "( UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 * INT_MISC.RECOVERY_CYCLES ) / (4…
21 …s for which the issue-pipeline was blocked due to recovery from earlier incorrect speculation. For…
25 …"MetricExpr": "( UOPS_ISSUED.ANY - UOPS_RETIRED.RETIRE_SLOTS + 4 * (( INT_MISC.RECOVERY_CYCLES_ANY…
28 …s for which the issue-pipeline was blocked due to recovery from earlier incorrect speculation. For…
32 …"MetricExpr": "1 - ( (IDQ_UOPS_NOT_DELIVERED.CORE / (4 * cycles)) + (( UOPS_ISSUED.ANY - UOPS_RETI…
35 …-of-order scheduler dispatches ready uops into their respective execution units; and once complete…
39 …- ( (IDQ_UOPS_NOT_DELIVERED.CORE / (4 * (( ( CPU_CLK_UNHALTED.THREAD / 2 ) * ( 1 + CPU_CLK_UNHALTE…
42 …-of-order scheduler dispatches ready uops into their respective execution units; and once complete…
[all …]

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