| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-firmware-papr-energy-scale-info | 5 energy/frequency on Linux running as a PAPR guest.
9 energy-savings mode and processor frequency.
14 Description: Energy, frequency attributes directory for POWERVM servers
19 Description: String description of the energy attribute of <id>
24 Description: Numeric value of the energy attribute of <id>
29 Description: String value of the energy attribute of <id>
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| H A D | sysfs-driver-intel-i915-hwmon | 70 Description: RO. Energy input of device or gt in microjoules.
73 reflects energy input for the entire device. For gt level
74 hwmon devices (name "i915_gtN") this reflects energy input
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| /linux/arch/x86/events/ |
| H A D | rapl.c | 3 * Support Intel/AMD RAPL energy consumption counters
12 * RAPL provides more controls than just reporting energy consumption
13 * however here we only expose the 3 energy consumption free running
72 MODULE_DESCRIPTION("Support Intel/AMD RAPL energy consumption counters");
76 * RAPL energy status counters
118 * RAPL Package energy counter scope:
119 * 1. AMD/HYGON platforms have a per-PKG package energy counter
434 RAPL_EVENT_ATTR_STR(energy-cores, rapl_cores, "event=0x01");
435 RAPL_EVENT_ATTR_STR(energy-pkg , rapl_pkg, "event=0x02");
436 RAPL_EVENT_ATTR_STR(energy-ram , rapl_ram, "event=0x03");
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| /linux/Documentation/devicetree/bindings/net/ |
| H A D | smsc-lan87xx.txt | 12 - smsc,disable-energy-detect:
13 If set, do not enable energy detect mode for the SMSC phy.
14 default: enable energy detect mode
17 smsc phy with disabled energy detect mode on an am335x based board.
25 smsc,disable-energy-detect;
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| /linux/tools/power/x86/x86_energy_perf_policy/ |
| H A D | x86_energy_perf_policy.8 | 5 x86_energy_perf_policy \- Manage Energy vs. Performance Policy
23 displays and updates energy-performance policy settings specific to
27 While \fBx86_energy_perf_policy\fP can manage energy-performance policy
38 Further, it allows the OS to influence energy/performance trade-offs where there
89 Set a policy with a normal balance between performance and energy efficiency.
91 for potentially significant energy savings.
97 accepting no performance sacrifice for the benefit of energy efficiency.
101 but allowing some performance loss to benefit energy efficiency.
109 a measurable performance impact to maximize energy efficiency.
168 and higher values improve energy efficiency.
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| /linux/net/bluetooth/ |
| H A D | Kconfig | 31 SMP (Security Manager Protocol) on LE (Low Energy) links
63 bool "Bluetooth Low Energy (LE) features"
67 Bluetooth Low Energy includes support low-energy physical
75 Bluetooth Low Energy L2CAP Enhanced Credit Flow Control available with
85 IPv6 compression over Bluetooth Low Energy.
136 Bluetooth Low Energy Secure Connections feature.
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| /linux/Documentation/hwmon/ |
| H A D | ibmaem.rst | 4 This driver talks to the IBM Systems Director Active Energy Manager, known
26 This driver implements sensor reading support for the energy and power meters
31 The v1 AEM interface has a simple set of features to monitor energy use. There
32 is a register that displays an estimate of raw energy consumption since the
37 range of energy and power use registers, the power cap as set by the AEM
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| H A D | ltc2947.rst | 21 The LTC2947 is a high precision power and energy monitor that measures current,
22 voltage, power, temperature, charge and energy. The device supports both SPI
24 The device also measures accumulated quantities as energy. It has two banks of
25 register's to read/set energy related values. These banks can be configured
97 energy1_input Measured energy over time (in microJoule)
99 energy2_input Measured energy over time (in microJoule)
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| /linux/Documentation/admin-guide/perf/ |
| H A D | fujitsu_uncore_pmu.rst | 69 This event counts energy consumption of MAC.
71 This event counts energy consumption of memory.
75 This event counts energy consumption of HA.
77 'ea' is the abbreviation for 'Energy Analyzer'.
106 This event counts energy consumption of PCI.
108 'ea' is the abbreviation for 'Energy Analyzer'.
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| /linux/Documentation/translations/zh_CN/scheduler/ |
| H A D | sched-energy.rst | 4 :Original: Documentation/scheduler/sched-energy.rst
30 它提供的内容，请参考其文档（见Documentation/power/energy-model.rst）。
77 见Documentation/power/energy-model.rst）
139 1024 - - - - - - - Energy Model
166 Energy calculation:
184 Energy calculation:
201 Energy calculation:
287 Documentation/power/energy-model.rst中的独立EM框架部分。
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| /linux/Documentation/arch/x86/ |
| H A D | intel-hfi.rst | 14 The HFI gives the operating system a performance and energy efficiency
22 about the performance and energy efficiency of each CPU in the system. Each
24 indicate higher capability. Energy efficiency and performance are reported in
38 task placement decisions. For instance, if either the performance or energy
41 that processor for performance or energy efficiency reasons, respectively.
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| H A D | amd-hfi.rst | 37 The ``amd_hfi`` driver delivers the operating system a performance and energy
74 about the performance and energy efficiency of each CPU in the system. Each
77 efficiency value indicates more efficiency. Energy efficiency and performance
92 task placement decisions. For instance, if either the performance or energy
95 on that processor for performance or energy efficiency reasons, respectively.
119 performance and energy efficiency capabilities of each CPU in the system.
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| /linux/tools/testing/selftests/amd-pstate/ |
| H A D | gitsource.sh | 14 #8) Plot png images about time, energy and performance per watt for each test.
28 # $1: governor, $2: round, $3: des-perf, $4: freq, $5: load, $6: time $7: energy, $8: PPW
91 …$PERF stat -a --per-socket -I 1000 -e power/energy-pkg/ /usr/bin/time -o $BACKUP_DIR/$OUTFILE_GIT.…
120 grep Joules $OUTFILE_GIT-perf-$1-$2.log | awk '{print $4}' > $OUTFILE_GIT-energy-$1-$2.log
121 en_sum=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum}' $OUTFILE_GIT-energy-$1-$2.log)
125 …# seconds. It is well known that P=E/t, where P is power measured in watts(W), E is energy measure…
175 …$OUTFILE_GIT.result | grep "power consumption(J):" | awk '{print $NF}' > $OUTFILE_GIT-energy-$1.log
176 en_sum=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum}' $OUTFILE_GIT-energy-$1.log)
179 avg_en=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum/'$LOOP_TIMES'}' $OUTFILE_GIT-energy-$1.log)
183 …# seconds. It is well known that P=E/t, where P is power measured in watts(W), E is energy measure…
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| H A D | tbench.sh | 12 # 6) Plot png images about performance, energy and performance per watt for each test.
23 # $1: governor, $2: round, $3: des-perf, $4: freq, $5: load, $6: performance, $7: energy, $8: perfo…
71 …$PERF stat -a --per-socket -I 1000 -e power/energy-pkg/ tbench -t $TIME_LIMIT $PROCESS_NUM > $OUTF…
102 grep Joules $OUTFILE_TBENCH-perf-$1-$2.log | awk '{print $4}' > $OUTFILE_TBENCH-energy-$1-$2.log
103 en_sum=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum}' $OUTFILE_TBENCH-energy-$1-$2.log)
107 …# It is well known that P=E/t, where P is power measured in watts(W), E is energy measured in joul…
157 …LE_TBENCH.result | grep "power consumption(J):" | awk '{print $NF}' > $OUTFILE_TBENCH-energy-$1.log
158 en_sum=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum}' $OUTFILE_TBENCH-energy-$1.log)
161 …avg_en=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum/'$LOOP_TIMES'}' $OUTFILE_TBENCH-energy-$1.l…
165 …# It is well known that P=E/t, where P is power measured in watts(W), E is energy measured in joul…
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| /linux/include/linux/mfd/ |
| H A D | ac100.h | 112 #define AC100_DAC_DAP_L_H_E_A_C 0xa3 /* Left High Energy Avg Coef */
113 #define AC100_DAC_DAP_L_L_E_A_C 0xa4 /* Left Low Energy Avg Coef */
114 #define AC100_DAC_DAP_R_H_E_A_C 0xa5 /* Right High Energy Avg Coef */
115 #define AC100_DAC_DAP_R_L_E_A_C 0xa6 /* Right Low Energy Avg Coef */
120 #define AC100_DAC_DAP_H_E_TH 0xab /* High Energy Threshold */
121 #define AC100_DAC_DAP_L_E_TH 0xac /* Low Energy Threshold */
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| /linux/Documentation/admin-guide/pm/ |
| H A D | intel_epb.rst | 5 Intel Performance and Energy Bias Hint
16 Intel Performance and Energy Bias Attribute in ``sysfs``
19 The Intel Performance and Energy Bias Hint (EPB) value for a given (logical) CPU
27 and a value of 15 corresponds to the maximum energy savings.
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| /linux/tools/power/cpupower/man/ |
| H A D | cpupower-set.1 | 27 its policy for the relative importance of performance versus energy savings to
31 performance and 15 is maximum energy efficiency.
35 energy efficiency.
62 Sets the energy performance policy preference on supported Intel or AMD
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| /linux/Documentation/devicetree/bindings/hwmon/ |
| H A D | vexpress.txt | 10 "arm,vexpress-energy"
19 energy@0 {
20 compatible = "arm,vexpress-energy";
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| /linux/Documentation/devicetree/bindings/cpu/ |
| H A D | idle-states.yaml | 71 timing and energy related properties, that underline the HW behaviour
101 IDLE: This is the actual energy-saving idle period. This may last
144 expressed in time units but must factor in energy consumption coefficients.
146 The energy consumption of a cpu when it enters a power state can be roughly
169 Graph 1: Energy vs time example
173 and denotes the energy costs incurred while entering and leaving the idle
176 shallower slope and essentially represents the energy consumption of the idle
181 which choosing that state become the most energy efficient option. A good
183 states energy consumptions plots.
207 |IDLE1-energy < IDLE2-energy | IDLE2-energy < IDLE1-energy
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| /linux/arch/powerpc/platforms/pseries/ |
| H A D | papr_platform_attributes.c | 3 * Platform energy and frequency attributes driver
7 * energy and frequency configuration of the system.
73 * Energy modes can change dynamically hence making a new hcall each time the
140 * Extract and export the description of the energy scale attributes
159 * Extract and export the numeric value of the energy scale attributes
178 * Extract and export the value description in string format of the energy
252 * uint64 H_GET_ENERGY_SCALE_INFO, // Get energy scale info in papr_init()
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| /linux/Documentation/netlink/specs/ |
| H A D | dev-energymodel.yaml | 9 Energy model netlink interface to notify its changes.
37 Skip inefficient states when estimating energy consumption.
113 The cost coefficient associated with this level, used during energy
144 doc: Get the energy model table of a performance domain.
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| /linux/arch/sparc/include/asm/ |
| H A D | bbc.h | 27 #define BBC_ES_CTRL 0x0e /* [H] Energy Star Control */
167 /* Energy Star Control register. This register is used to generate the
182 /* Energy Star Assert Change Time register. This determines the number
189 /* Energy Star Assert Bypass Time register. This determines the number
196 /* Energy Star PLL Settle Time register. This determines the number of
203 /* Energy Star Frequency Switch Latency register. This is the number of
220 * is changed via Energy Star.
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| /linux/Documentation/driver-api/xilinx/ |
| H A D | eemi.rst | 12 Embedded Energy Management Interface (EEMI)
14 The embedded energy management interface is used to allow software
39 [0] Embedded Energy Management Interface (EEMI) API guide:
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| /linux/drivers/hwmon/ |
| H A D | ibmaem.c | 3 * A hwmon driver for the IBM System Director Active Energy Manager (AEM)
4 * temperature/power/energy sensors and capping functionality.
63 /* AEM 2.x has more energy registers */
145 * Energy meter
149 * Two energy meters
158 /* energy use in mJ */
159 u64 energy[AEM_NUM_ENERGY_REGS]; member
419 /* Update AEM energy registers */
423 &data->energy[which], 8); in update_aem_energy_one()
828 before = data->energy[attr->index]; in aem_show_power()
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| /linux/tools/perf/pmu-events/arch/arm64/fujitsu/a64fx/ |
| H A D | memory.json | 3 "PublicDescription": "This event counts energy consumption per cycle of CMG local memory.",
6 "BriefDescription": "This event counts energy consumption per cycle of CMG local memory."
|