CN107239133A - A kind of control method and device of smart machine - Google Patents
A kind of control method and device of smart machine Download PDFInfo
- Publication number
- CN107239133A CN107239133A CN201710404683.0A CN201710404683A CN107239133A CN 107239133 A CN107239133 A CN 107239133A CN 201710404683 A CN201710404683 A CN 201710404683A CN 107239133 A CN107239133 A CN 107239133A
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- smart machine
- power consumption
- system power
- cpu
- power dissipation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3212—Monitoring battery levels, e.g. power saving mode being initiated when battery voltage goes below a certain level
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/324—Power saving characterised by the action undertaken by lowering clock frequency
Abstract
The invention discloses a kind of control method and device of smart machine, this method includes：The system power dissipation of the smart machine is obtained by the embedded controller of the smart machine；When the system power dissipation exceedes power consumption preset value, frequency reducing step by step is carried out to the CPU of smart machine present operating frequency, so that the system power dissipation is in preset range.The present invention can gradually reduce CPU working frequency in the case where the system power dissipation of the smart machines such as notebook computer is excessive, most the smart machine such as notebook computer CPU working frequency is reasonably controlled in certain scope at last, and then the system power of the smart machines such as notebook computer is rationally accurately controlled again, the smart machines such as notebook computer are enabled to realize that performance is not reduced, and meets user's request on the basis of supply regular power.
Description
Technical field
The present invention relates to the control field of smart machine, more particularly to a kind of control method and device of smart machine.
Background technology
During the smart machines such as notebook computer are used, especially used or operation large program mistake in long-time
Cheng Zhong, the system power dissipation of notebook can constantly increase so that occur the battery of the smart machines such as notebook computer or other
The output of power supply can not meet system power dissipation, and the rated output power of such as battery is far smaller than system power dissipation, for this situation,
In the prior art, it is typically that the CPU of the smart machines such as notebook computer running frequency is directly dropped into a preset low value,
System power dissipation is forced to reduce.But it is due to that CPU need not drop to above-mentioned low value and just have been able to make the electricity such as battery in most cases
The power output of source device meets the system power dissipation that have dropped, therefore the above method is excessively simple and crude, and can make notebook
The hydraulic performance decline of the smart machines such as computer is violent, poor user experience.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of control method and device of smart machine, and this method can be reasonable
The system power of the smart machines such as the smart machine CPU such as notebook computer working frequency, and then control notebook computer is controlled,
The smart machines such as notebook computer are enabled to realize the maximization of performance on the basis of supply regular power.
In order to solve the above-mentioned technical problem, the embodiment of the present invention employs following technical scheme：A kind of control of smart machine
Method processed, including：
The system power dissipation of the smart machine is obtained by the embedded controller of the smart machine；
When the system power dissipation exceedes power consumption preset value, the CPU of smart machine present operating frequency is carried out
Frequency reducing step by step, so that the system power dissipation is in preset range.
Preferably, the embedded controller by the smart machine obtains the system power dissipation of the smart machine
Specially：The current system power consumption of the smart machine is obtained with predetermined time interval using the embedded controller.
Preferably, power supply output power consumption of the power consumption preset value for the smart machine.
Preferably, frequency reducing is specially step by step for the present operating frequency progress of the CPU to the smart machine：It is described
Embedded controller reduces the thermal design power consumption of the CPU by platform environment formula control interface step by step, to reduce institute step by step
State CPU present operating frequency.
Preferably, methods described also includes：When the system power dissipation is no more than power consumption preset value, pass through the insertion
Formula controller obtains the system power dissipation, and the system power dissipation is contrasted with the power consumption preset value.
The embodiment of the present invention additionally provides a kind of control device of smart machine, includes acquisition module and the place of interconnection
Manage module：
The acquisition module is configured to
System power consumption；
The processing module is configured to when the system power dissipation exceedes power consumption preset value, to the CPU of the smart machine
Present operating frequency carry out frequency reducing step by step so that the system power dissipation be in preset range in.
Preferably, the acquisition module be further configured to using the embedded controller with predetermined time interval come
Obtain the current system power consumption of the smart machine.
Preferably, power supply output power consumption of the power consumption preset value for the smart machine.
Preferably, the processing module is further configured to drive the embedded controller to pass through platform environment formula control
Interface processed reduces the thermal design power consumption of the CPU step by step, to reduce the present operating frequency of the CPU step by step.
Preferably, described device also includes judge module and contrast module；
The judge module is configured to, when judging that the system power dissipation is no more than power consumption preset value, drive described embedded
Controller obtains the system power dissipation, so that the contrast module carries out the system power dissipation and the power consumption preset value pair
Than.
The beneficial effect of the embodiment of the present invention is：Can the smart machines such as notebook computer system power dissipation it is excessive
In the case of gradually reduce CPU working frequency, most the smart machine such as notebook computer CPU working frequency is reasonably controlled at last
In certain scope, and then the system power of the smart machines such as notebook computer is rationally accurately controlled again so that notebook
The smart machines such as computer can realize that performance is not reduced on the basis of supply regular power, meet user's request.
Brief description of the drawings
Fig. 1 is the flow chart of the control method of the smart machine of the embodiment of the present invention；
Fig. 2 is the structured flowchart of the control device of the smart machine of the embodiment of the present invention；
Fig. 3 is another structured flowchart of the control device of the smart machine of the embodiment of the present invention.
Description of reference numerals
1- control device 2- acquisition module 3- processing modules
4- judge module 5- contrast module 6- embedded controllers
7-CPU
Embodiment
To make those skilled in the art more fully understand the present invention, embodiments of the invention are carried out with reference to the accompanying drawings detailed
Describe in detail bright but not as a limitation of the invention.
Fig. 1 for smart machine control method flow chart, a kind of control method of smart machine of the embodiment of the present invention,
Can be suitable so as to reasonably drop to the system power dissipation of the smart machines such as notebook computer by being accurately controlled CPU 7 frequency
Work as scope, as shown in figure 1, this method includes：
S1, the system power dissipation of smart machine is obtained by the embedded controller 6 of smart machine.Embedded controller 6
(EC：Embedded Controller) be smart machine (such as notebook computer) bottom control device, can intelligently set
Management role is played to whole system before standby start and in start process, and is also responsible for the charging to the battery of smart machine
With the management of electric discharge.Therefore, embedded controller 6 can be in smart machine running by the monitoring to miscellaneous part
The convenient system power dissipation for getting smart machine.For system power dissipation, when the working strength increase of smart machine, for example, transport
Row large program, or can system power dissipation be increased by being in the reasons such as running status for a long time, and when under the state such as standby
System power dissipation is less again, therefore system power dissipation is dynamic change, and in one embodiment of the application, embedded Control
Device 6 is the dynamic system power dissipation for obtaining smart machine so that the information of acquisition is more accurate.
S2, when system power dissipation exceedes power consumption preset value, is carried out step by step to the CPU 7 of smart machine present operating frequency
Frequency reducing, so that system power dissipation is in preset range.Can be with self-defined or according to each in smart machine for power consumption preset value
The hands-on background of individual hardware is set, and in one embodiment the power consumption preset value can be according to the battery of smart machine
Export power consumption (rated output power or peak power output of such as battery) to preset, the output power consumption of battery is determined
The power that smart machine can actually be used；In another embodiment, the power consumption preset value can be according to the electricity of smart machine
The output power consumption of source device is preset, the power-supply device can receive external power and while respectively smart machine it is each
Individual part is powered.When system power dissipation exceedes power consumption preset value, illustrate the current system power consumption of smart machine beyond intelligence
The power supply capacity of energy equipment in itself, may cause damage etc. in the state for a long time to hardware, adopt in the present embodiment
The mode for carrying out frequency reducing step by step with the present operating frequency of the CPU 7 to smart machine is tackled, and this causes system power dissipation also can be by
Step is decreased until in preset range, can now stop the frequency redution operation to CPU 7 present operating frequency to ensure
CPU 7 operational performance, and then ensure smart machine overall performance.Value in one embodiment to 7 frequency reducings of CPU is pre-
First set, each frequency reducing can reduce identical numerical value so that CPU 7 present operating frequency is stepped with each equivalent
Decline；In another embodiment, the frequency values that CPU 7 is reduced every time are differed, can used preceding once or preceding
During frequency reducing several times the range of decrease it is larger then once or after the less mode of the range of decrease several times gradually reduce CPU 7 current work
Working frequency；In yet another embodiment, to CPU 7 present operating frequency, can use it is preceding once or preceding frequency reducing several times
During the range of decrease it is larger, then CPU 7 present operating frequency is slightly increased again according to actual conditions.Above-described embodiment is final
System power dissipation is dropped in preset range so that smart machine ensures the property of hardware in the case where meeting power consumption
Can not reduce (particularly not continuous decrease arrive minimum), such as CPU 7 present operating frequency will not be lowered too much so that
Ensure the due arithmetic speeds of CPU 7.In addition the preset range can be power outputs of the CPU 7 in lowest operating frequency extremely
Scope or user-defined scope between the rated output power of battery, when system power dissipation is in preset range
The power output of battery can meet system power dissipation when middle.
In one embodiment of the invention, the system for smart machine being obtained by the embedded controller 6 of smart machine
Power consumption is specially：The current system power consumption of smart machine is obtained with predetermined time interval using embedded controller 6.Current system
Unite power consumption for obtain the moment system power dissipation, the shorter current system power consumption of time interval of acquisition closer to actual value, but this
Need to spend extra system resource, therefore the predetermined time interval of this in the present embodiment can be set according to actual needs
Fixed, the numerical value of the predetermined time interval can be set shorter, so that accurately by such as smart machine when running large program
Current system power consumption is obtained, and the numerical value of the predetermined time interval is set longer in the case where system power changes less.
In one embodiment of the invention, power consumption preset value exports power consumption for the power supply of smart machine.In an implementation
In example, power supply output power consumption can be rated output power or peak power output of the battery of smart machine etc..If system
The rated output power or peak power output that power consumption exceedes battery will not then meet the use demand of smart machine, and can be right
The equipment such as battery cause to damage.In another embodiment, power supply output power consumption can be the volume of the power-supply device of smart machine
Determine power output or peak power output etc..
Carrying out frequency reducing step by step to the CPU 7 of smart machine present operating frequency is specially：Embedded controller 6 passes through flat
Platform environment formula control interface (PECI) reduces CPU 7 thermal design power consumption (TDP) step by step, to reduce the current of CPU 7 step by step
Working frequency.Platform environment formula control interface (PECI, Platform Environment Control Interface) is to set
Put in the special single line type bus between CPU 7 and other chips or stability of a system monitoring device, the control of platform environment formula
Interface can use CRC bit group to carry out error checking, thus allow whole system thermal control more efficiently.
Thermal design power consumption (TDP, Thermal Design Power) is the index for reacting the release of the heats of CPU 7, is when processor reaches
The heat discharged to load when maximum, adjustment thermal design power consumption can with Indirect method CPU 7 present operating frequency,
And then adjust system power dissipation.Embedded controller 6 conveniently can quickly adjust heat by platform environment formula control interface
Power consumption is designed, the mode reduced step by step is used on regulative mode.Thermal design power consumption is once reduced in one embodiment
Value preset, identical numerical value can be reduced every time so that thermal design power consumption is with the stepped decline of each equivalent；
In another embodiment, the numerical value that thermal design power consumption is reduced every time is differed, can used preceding once or former
During secondary decline the range of decrease it is larger then once or after the less mode of the range of decrease several times gradually reduce；In another embodiment
In, it can use that the range of decrease is larger preceding once or during preceding reduction several times to thermal design power consumption, then according to actual feelings
Condition again slightly increases thermal design power consumption.CPU 7 present operating frequency is finally reduced step by step.
In one embodiment of the invention, the control method of smart machine also includes：When system power dissipation is no more than power consumption
During preset value, system power dissipation is obtained by embedded controller 6, and system power dissipation is contrasted with power consumption preset value.If
System power dissipation means that battery or other power supplys disclosure satisfy that the demand of smart machine no more than power consumption preset value, it is not necessary to being
Power consumption of uniting carries out reduction processing, so that ensureing the performance of smart machine does not reduce.Now can be by by system power dissipation and power consumption
The mode that preset value is contrasted continues monitoring system power consumption, prevents that subsequent time system power dissipation is excessive, it is ensured that smart machine
Control method preciseness.
Fig. 2 is the structured flowchart of the control device 1 of smart machine, a kind of control dress of smart machine of the embodiment of the present invention
1 is put, can be by being accurately controlled CPU 7 frequency so as to which the rational system power dissipation by smart machines such as notebook computers drops
To proper range, as shown in Fig. 2 the device includes acquisition module 2 and the processing module 3 being connected with each other：
Acquisition module 2 is configured to obtain intelligent set by the embedded controller 6 of smart machine (such as notebook computer)
Standby system power dissipation.Acquisition module 2 can be to miscellaneous part by embedded controller 6 in smart machine running
Monitoring and easily get the system power dissipation of smart machine.For system power dissipation, when the working strength of smart machine increases
When, large program is for example run, or can system power dissipation be increased by being in the reasons such as running status for a long time, and in standby etc.
System power dissipation is less again when under state, therefore system power dissipation is dynamic change, and in one embodiment of the application, is obtained
Modulus block 2 is the dynamic system power dissipation for obtaining smart machine so that the information of acquisition is more accurate.
Processing module 3 is configured to when system power dissipation exceedes power consumption preset value, the work at present to the CPU 7 of smart machine
Frequency carries out frequency reducing step by step, so that system power dissipation is in preset range.Can be with self-defined or according to intelligence for power consumption preset value
The hands-on background of each hardware it can set in equipment, the power consumption preset value can be according to intelligence in one embodiment
The output power consumption (rated output power or peak power output of such as battery) of the battery of equipment is preset, battery it is defeated
Go out power consumption and determine the power that smart machine can actually be used；In another embodiment, the power consumption preset value can basis
The output power consumption of the power-supply device of smart machine is preset, and the power-supply device can receive external power and respectively simultaneously
The all parts of smart machine are powered.When system power dissipation exceedes power consumption preset value, illustrate the current system power consumption of smart machine
The power supply capacity beyond smart machine in itself, may cause damage etc. in the state to hardware for a long time,
The CPU 7 of smart machine present operating frequency tackle by the way of frequency reducing step by step using processing module 3 in the present embodiment,
Processing module 3 can be such that system power dissipation progressively can be also decreased until in preset range, and now processing module 3 can stop pair
The frequency redution operation of CPU 7 present operating frequency ensures smart machine globality so as to ensure CPU 7 operational performance
Energy.Processing module 3 can be preset to the value of 7 frequency reducings of CPU in one embodiment, and each frequency reducing can be reduced
Identical numerical value so that CPU 7 present operating frequency is with the stepped decline of each equivalent；In another embodiment, locate
Reason module 3 is differed to the frequency values that CPU 7 is reduced every time, processing module 3 can use it is preceding once or it is preceding several times
During frequency reducing the range of decrease it is larger then once or after the less mode of the range of decrease several times gradually reduce CPU 7 work at present frequency
Rate；In yet another embodiment, to CPU 7 present operating frequency, processing module 3 can use it is preceding once or it is preceding several times
The range of decrease is larger during frequency reducing, is then again slightly increased CPU 7 present operating frequency according to actual conditions.Above-described embodiment
Most system power dissipation drops in preset range processing module 3 at last so that smart machine is meeting the situation of power consumption
The lower performance for ensureing hardware does not reduce (particularly not continuous decrease to minimum), and such as CPU 7 present operating frequency will not
It is lowered too much to ensure the due arithmetic speeds of CPU 7.In addition the preset range can be CPU 7 lowest operating frequency
To the scope between the rated output power of battery or user-defined scope, when system power dissipation is in default model
The power output of battery can meet system power dissipation when enclosing middle.
Acquisition module 2 is further configured to obtain smart machine using embedded controller 6 with predetermined time interval
Current system power consumption.Current system power consumption is obtains the system power dissipation at moment, and the time interval that acquisition module 2 obtains operation is shorter
Current system power consumption is closer to actual value, but this needs to spend extra system resource, therefore the pre- timing of this in the present embodiment
Between be spaced and can set according to actual needs, such as smart machine run large program when, can be by the pre- timing
Between the numerical value that is spaced set shorter so that acquisition module 2 accurately obtains current system power consumption, and in system power change
The numerical value of the predetermined time interval is set longer in the case of less.
In one embodiment of the invention, power consumption preset value exports power consumption for the power supply of smart machine.In an implementation
In example, power supply output power consumption can be rated output power or peak power output of the battery of smart machine etc..If system
The rated output power or peak power output that power consumption exceedes battery will not then meet the use demand of smart machine, and can be right
The equipment such as battery cause to damage.In another embodiment, power supply output power consumption can be the volume of the power-supply device of smart machine
Determine power output or peak power output etc..
Processing module 3 be further configured to driving embedded controller 6 by platform environment formula control interface (PECI) by
Level reduction CPU 7 thermal design power consumption (TDP), to reduce CPU 7 present operating frequency step by step.The control of platform environment formula connects
Mouth (PECI, Platform Environment Control Interface) is provided in CPU 7 and other chips or system
In special single line type bus between stability monitoring device, platform environment formula control interface can use CRC position
Tuple carries out error checking, thus allow whole system thermal control more efficiently.Thermal design power consumption (TDP, Thermal
Design Power) it is the index for reacting the release of the heats of CPU 7, it is the heat discharged when processor reaches that load is maximum
Amount, adjustment thermal design power consumption can be with Indirect method CPU 7 present operating frequency, and then adjusts system power dissipation.Embedded control
Device 6 processed conveniently can quickly adjust thermal design power consumption by platform environment formula control interface, be used on regulative mode
The mode reduced step by step.The value that can be once reduced to thermal design power consumption by processing module 3 in one embodiment is advance
Setting, can reduce identical numerical value so that thermal design power consumption is with the stepped decline of each equivalent every time；At another
In embodiment, processing module 3 is differed to the numerical value that thermal design power consumption is reduced every time, and processing module 3 can be used preceding
Once or during preceding decline several times the range of decrease it is larger then once or after the less mode of the range of decrease several times gradually reduce；Again
In one embodiment, processing module 3 can be used in the preceding range of decrease once or during preceding reduction several times to thermal design power consumption
It is larger, then thermal design power consumption is slightly increased again according to actual conditions.CPU 7 work at present frequency is finally reduced step by step
Rate.
In one embodiment of the invention, as shown in figure 3, control device 1 also includes judge module 4 and contrast module 5；
Judge module 4 is configured to when judging that system power dissipation is no more than power consumption preset value, and driving embedded controller 6 obtains system work(
Consumption, so that contrast module 5 is contrasted system power dissipation with power consumption preset value.If it is determined that module 4 judges that system power dissipation does not surpass
Crossing power consumption preset value means that battery or other power supplys disclosure satisfy that the demand of smart machine, it is not necessary to which processing module 3 drives embedding
Enter formula controller 6 and reduction processing is carried out to system power dissipation, so that ensureing the performance of smart machine does not reduce.Now can be by right
The mode that system power dissipation and power consumption preset value are contrasted is continued into monitoring system power consumption than module 5, subsequent time system is prevented
Power consumption is excessive, it is ensured that the preciseness of the control method of smart machine.
Above example is only the exemplary embodiment of the present invention, is not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can make respectively in the essence and protection domain of the present invention to the present invention
Modification or equivalent substitution are planted, this modification or equivalent substitution also should be regarded as being within the scope of the present invention.
Claims (10)
1. a kind of control method of smart machine, it is characterised in that including：
The system power dissipation of the smart machine is obtained by the embedded controller of the smart machine；
When the system power dissipation exceedes power consumption preset value, the CPU of smart machine present operating frequency is carried out step by step
Frequency reducing, so that the system power dissipation is in preset range.
2. according to the method described in claim 1, it is characterised in that the embedded controller by the smart machine is obtained
The system power dissipation for taking the smart machine is specially：The intelligence is obtained with predetermined time interval using the embedded controller
The current system power consumption of energy equipment.
3. according to the method described in claim 1, it is characterised in that the power consumption preset value is defeated for the power supply of the smart machine
Go out power consumption.
4. according to the method described in claim 1, it is characterised in that the work at present frequency of the CPU to the smart machine
Rate carries out frequency reducing step by step：The embedded controller reduces the CPU's step by step by platform environment formula control interface
Thermal design power consumption, to reduce the present operating frequency of the CPU step by step.
5. according to the method described in claim 1, it is characterised in that methods described also includes：When the system power dissipation is no more than
During power consumption preset value, the system power dissipation is obtained by the embedded controller, and by the system power dissipation and the power consumption
Preset value is contrasted.
6. a kind of control device of smart machine, it is characterised in that acquisition module and processing module including interconnection：
The acquisition module is configured to obtain the system work(of the smart machine by the embedded controller of the smart machine
Consumption；
The processing module is configured to when the system power dissipation exceedes power consumption preset value, to working as the CPU of the smart machine
Preceding working frequency carries out frequency reducing step by step, so that the system power dissipation is in preset range.
7. device according to claim 6, it is characterised in that the acquisition module is further configured to utilize the insertion
Formula controller obtains the current system power consumption of the smart machine with predetermined time interval.
8. device according to claim 6, it is characterised in that the power consumption preset value is defeated for the power supply of the smart machine
Go out power consumption.
9. device according to claim 6, it is characterised in that the processing module is further configured to drive the insertion
Formula controller reduces the thermal design power consumption of the CPU by platform environment formula control interface step by step, to reduce the CPU step by step
Present operating frequency.
10. device according to claim 6, it is characterised in that described device also includes judge module and contrast module；
The judge module is configured to, when judging that the system power dissipation is no more than power consumption preset value, drive the embedded Control
Device obtains the system power dissipation, so that the contrast module is contrasted the system power dissipation with the power consumption preset value.
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