CN105335233A - Dynamic frequency conversion method and apparatus for processor - Google Patents
Dynamic frequency conversion method and apparatus for processor Download PDFInfo
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- CN105335233A CN105335233A CN201510615376.8A CN201510615376A CN105335233A CN 105335233 A CN105335233 A CN 105335233A CN 201510615376 A CN201510615376 A CN 201510615376A CN 105335233 A CN105335233 A CN 105335233A
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- cpu
- frequency
- idle
- exponential quantity
- busy degree
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
- G06F9/5038—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals considering the execution order of a plurality of tasks, e.g. taking priority or time dependency constraints into consideration
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2209/00—Indexing scheme relating to G06F9/00
- G06F2209/50—Indexing scheme relating to G06F9/50
- G06F2209/5019—Workload prediction
Abstract
Embodiments of the invention disclose a dynamic frequency conversion method and apparatus for a processor, so that the burden of a CPU can be effectively reduced, the running speed of a terminal can be increased, and the service life of the terminal can be prolonged. The dynamic frequency conversion method for the processor comprises: obtaining an operation busy degree of an input device; calculating an occupation rate of the CPU; performing calculation on the operation busy degree and the occupation rate of the CPU by using a preset calculation rule to obtain an idle index value; and judging whether the idle index value is less than a critical value or not, and if so, adjusting a main frequency of the CPU according to the idle index value.
Description
Technical field
The present invention relates to software field, particularly relate to a kind of method and apparatus of processor dynamic frequency-conversion.
Background technology
Interactive process is by user's input command on the input, then receives this instruction by the processor (CPU, CentralProcessingUnit) of terminal, and then complete operation realization.And idle condition is in when processor does not receive instruction, if now processor still keeps frequency of operation, certainly will the wasting of resources be caused.
Summary of the invention
Embodiments provide a kind of method and apparatus of processor dynamic frequency-conversion, effectively can reduce the burden of CPU, improve terminal operating speed, extend terminal serviceable life.
A kind of method of processor dynamic frequency-conversion in the embodiment of the present invention, comprising:
Obtain the busy degree of operation of input equipment;
Calculate the occupancy of CPU;
Use preset operation rule to carry out computing to the busy degree of this operation and this CPU usage, obtain idle exponential quantity;
Judge whether described idle exponential quantity is less than critical value;
If so, then CPU frequency is regulated according to idle exponential quantity.
Optionally,
The busy degree of operation of step statistics input equipment comprises:
Set up timer;
Carry out user's number of operations on the input in the statistical unit time according to set up timer, be denoted as the busy degree of operation.
Optionally,
Use preset operation rule to carry out computing to the busy degree of operation and described CPU usage, obtain idle exponential quantity and comprise:
Additive operation is used to the busy degree of described operation and described CPU usage, obtain the busy degree of described operation and described CPU usage and, be denoted as idle exponential quantity.
Optionally,
Above-mentioned input equipment comprises one or combination in any in telepilot, keyboard, mouse and control panel.
Optionally,
The carrier of above-mentioned processor is that human-computer interaction terminal comprises: one of computing machine, air-conditioning, TV and host computer or combination in any.
Optionally,
The process of CPU frequency is regulated to comprise:
Obtain the most high workload dominant frequency of CPU and minimum work dominant frequency;
CPU frequency is regulated according to idle index, most high workload dominant frequency and minimum work dominant frequency.
Adopt following formula to regulate CPU frequency: f=(f1-f2) * n+f2, wherein, f is the CPU frequency after regulating, and f1 is most high workload dominant frequency, and f2 is minimum work dominant frequency, and n is idle numeric factors.
Present invention also offers a kind of device of processor dynamic frequency-conversion, comprising:
Acquiring unit, the busy degree of the operation for obtaining input equipment;
Computing unit, for calculating the occupancy of CPU;
Arithmetic element, for using preset operation rule to carry out computing to the busy degree of operation and described CPU usage, obtains idle exponential quantity;
Judging unit, for judging whether described idle exponential quantity is less than critical value;
Regulon, for when the judged result of judging unit is for being, regulates CPU frequency according to idle exponential quantity.
Optionally,
Acquiring unit also comprises:
Set up subelement, for setting up timer;
Statistics subelement, for carrying out user's number of operations on the input in the statistical unit time according to set up timer, is denoted as the busy degree of operation.
Optionally,
Described regulon comprises:
Dominant frequency acquiring unit, for obtaining the most high workload dominant frequency of CPU and minimum work dominant frequency;
CPU regulon, for regulating described CPU frequency according to described idle exponential quantity, most high workload dominant frequency and minimum work dominant frequency.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
In the embodiment of the present invention, obtain the busy degree of operation of input equipment in no particular order and calculate the occupancy of CPU, then using preset operation rule to carry out computing to the busy degree of this operation and this CPU usage, obtaining idle exponential quantity; Then judge whether idle exponential quantity is less than critical value, if so, then regulate CPU frequency according to idle exponential quantity.Thus its dominant frequency power consumption is reduced when cpu idle, effectively reduce the burden of CPU, improve terminal operating speed, extend terminal serviceable life.
Accompanying drawing explanation
Fig. 1 the invention provides a kind of method first embodiment process flow diagram of processor dynamic frequency-conversion;
Fig. 2 the invention provides a kind of method second embodiment process flow diagram of processor dynamic frequency-conversion;
Fig. 3 the invention provides a kind of device example structure schematic diagram of processor dynamic frequency-conversion.
Embodiment
The invention provides a kind of method and apparatus of processor dynamic frequency-conversion, effectively can reduce the burden of CPU, improve terminal operating speed, extend terminal serviceable life.
Refer to Fig. 1, in the present invention, a kind of first embodiment of method of processor dynamic frequency-conversion is specifically wrapped:
101, the busy degree of operation of input equipment is obtained;
In the present embodiment, input equipment is the medium of man-machine interaction, and user operates on the input, and input equipment is translated into instruction and sends to terminal.The busy degree of said operation is exactly be characterized on input equipment to operate parameter few often.Concrete acquisition methods describes in follow-up embodiment again.
102, the occupancy of CPU is calculated;
In the present embodiment, the method calculating CPU usage belongs to common practise, does not repeat.
103, use preset operation rule to carry out computing to the busy degree of this operation and this CPU usage, obtain idle exponential quantity;
In the present embodiment, busy for the operation of the input equipment obtained degree and CPU usage are denoted as idle exponential quantity through the numerical value that pre-defined rule computing obtains above, are used to characterize the whether idle parameter of CPU.
104, judge whether idle exponential quantity is less than critical value, if so, then perform step 105;
105, CPU frequency is regulated according to idle index.
In the embodiment of the present invention, obtain the busy degree of operation of input equipment in no particular order and calculate the occupancy of CPU, then using preset operation rule to carry out computing to the busy degree of this operation and this CPU usage, obtaining idle exponential quantity; Then judge whether idle exponential quantity is less than critical value, if so, then regulate CPU frequency according to idle index.Thus its dominant frequency power consumption is reduced when cpu idle, effectively reduce the burden of CPU, improve terminal operating speed, extend terminal serviceable life.
Refer to Fig. 2, in the present invention, a kind of second embodiment of method of processor dynamic frequency-conversion is specifically wrapped:
201, timer is set up;
In the present embodiment, setting up timer is the conveniently number of times that operates on the input of counting user.
202, according to set up timer, come in the statistical unit time, user's number of operations on the input, be denoted as operation busy;
In the present embodiment, the number of operations of user on equipment in the statistical unit time, such as: user is facing to televisor, and in M minute, pressed N remote controller key, so the busy degree of this operation is N/M, can represent by busy coefficient S.
203, the occupancy of computation processor (i.e. CPU);
In the present embodiment, the method calculating CPU usage belongs to common practise, can perform top order and mpstat order, obtain the occupancy c of current C PU, reflect the busy extent of present terminal intuitively by shell.
204, additive operation is used to the busy degree of described operation and described CPU usage, obtain the busy degree of described operation and described CPU usage and, be denoted as idle exponential quantity;
In the present embodiment, additive operation is used to the busy degree of described operation and described CPU usage, obtain the busy degree of described operation and described CPU usage and be denoted as idle exponential quantity, as just a kind of a kind of operational method characterizing the parameter of CPU idle degrees, all known operations methods all can use, and do not do concrete restriction at this.
205, judge whether idle exponential quantity is less than critical value, if then perform step 206; Otherwise do not need process;
206, CPU frequency is regulated according to idle exponential quantity.
In the present embodiment, the process of CPU frequency is regulated to comprise:
Obtain the most high workload dominant frequency of CPU and minimum work dominant frequency;
CPU frequency is regulated according to idle index, most high workload dominant frequency and minimum work dominant frequency.
Adopt following formula to regulate CPU frequency: f=(f1-f2) * n+f2, wherein, f is the CPU frequency after regulating, and f1 is most high workload dominant frequency, and f2 is minimum work dominant frequency, and n is idle numeric factors.
In the embodiment of the present invention, first timer is set up, in the statistical unit time, user's number of operations on the input, is denoted as operation busy, calculates the occupancy of CPU, again additive operation is used to the busy degree of described operation and described CPU usage, obtain the busy degree of described operation and described CPU usage and be denoted as idle exponential quantity and then judge whether idle exponential quantity is less than critical value, if so, then regulate CPU frequency according to idle exponential quantity.Thus its dominant frequency power consumption is reduced when cpu idle, effectively reduce the burden of CPU, improve terminal operating speed, extend terminal serviceable life.
It should be noted that, above-mentioned input equipment comprises one or combination in any in telepilot, keyboard, mouse and control panel, and the carrier of processor is that human-computer interaction terminal comprises: one or combination in any in computing machine, air-conditioning, TV and host computer.
Below for the example in a practical application: during the program that television for play Set Top Box exports, in playing process, during no user operation, now the occupancy of CPU can be very low, the busy degree of user operation is also 0, and now regulating device dynamically reduces the dominant frequency of CPU, reaches the object reducing power consumption.When user starts to use remote controller operation, then recover CPU frequency dynamically.In these processes, do not affect experience and operating experience that user watches TV.
Be illustrated a kind of processor dynamic frequency-conversion of the present invention embodiment of the method above, refer to Fig. 3 below, in the embodiment of the present invention, a kind of device embodiment of processor dynamic frequency-conversion specifically comprises:
Acquiring unit 301, the busy degree of the operation for obtaining input equipment;
Computing unit 302, for calculating the occupancy of CPU;
Arithmetic element 303, for using preset operation rule to the busy degree of operation and described CPU usage, obtains idle exponential quantity;
Judging unit 304, for judging whether described idle exponential quantity is less than critical value;
Regulon 305, for for when the judged result of judging unit is for being, regulates CPU frequency according to idle exponential quantity.
Wherein,
Acquiring unit comprises further:
Set up subelement 3011, for setting up timer;
Statistics subelement 3012, in the statistical unit time, user's number of operations on the input, is denoted as the busy degree of operation.
Wherein in an embodiment, described regulon can comprise:
Dominant frequency acquiring unit, for obtaining the most high workload dominant frequency of CPU and minimum work dominant frequency;
CPU regulon, for regulating described CPU frequency according to described idle exponential quantity, most high workload dominant frequency and minimum work dominant frequency.
Be described with the correspondence of example to the unit in the embodiment of the present invention in a reality now.
Set up subelement 3011 and set up timer, setting up timer is the conveniently number of times that operates on the input of counting user.
In statistics subelement 3012 unit interval, user's number of operations on the input, is denoted as the busy degree of operation;
In the present embodiment, the number of operations of user on equipment in the statistical unit time, such as: user is facing to televisor, and in M minute, pressed N remote controller key, so the busy degree of this operation is N/M, can represent by busy coefficient S.
The occupancy of computing unit 302 computation processor;
In the present embodiment, the method calculating CPU usage belongs to common practise, does not repeat.
Arithmetic element 303 uses additive operation to the busy degree of described operation and described CPU usage, obtain the busy degree of described operation and described CPU usage and, be denoted as idle exponential quantity;
In the present embodiment, additive operation is used to the busy degree of described operation and described CPU usage, obtain the busy degree of described operation and described CPU usage and be denoted as idle exponential quantity, as just a kind of a kind of operational method characterizing the parameter of CPU idle degrees, all known operations methods all can use, and do not do concrete restriction at this.
Judging unit 304 judges whether idle exponential quantity is less than critical value, if so, then reduces CPU frequency, if not, then improves CPU frequency to the dominant frequency that works.
In the present embodiment, idle exponential quantity and the critical value preset are compared, if idle exponential quantity is less than critical value, then illustrate that CPU is in idle condition, can reduce CPU frequency, otherwise, illustrate that CPU is in duty, then recover CPU frequency to the dominant frequency that works.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a method for processor dynamic frequency-conversion, is characterized in that, comprising:
Obtain the busy degree of operation of input equipment;
Calculate the occupancy of CPU;
Use preset operation rule to carry out computing to the busy degree of described operation and described CPU usage, obtain idle exponential quantity;
Judge whether described idle exponential quantity is less than critical value;
If so, then CPU frequency is regulated according to described idle exponential quantity.
2. the method for processor dynamic frequency-conversion according to claim 1, is characterized in that,
The busy degree of operation of described acquisition input equipment comprises:
Set up timer;
Carry out user's number of operations on the input in the statistical unit time according to set up timer, be denoted as the busy degree of operation.
3. the method for processor dynamic frequency-conversion according to claim 1 and 2, is characterized in that,
Use preset operation rule to carry out computing to the busy degree of described operation and described CPU usage, obtain idle exponential quantity and comprise:
Additive operation is used to the busy degree of described operation and described CPU usage, obtain the busy degree of described operation and described CPU usage and, be denoted as idle exponential quantity.
4. the method for processor dynamic frequency-conversion according to claim 1 and 2, is characterized in that,
Described input equipment comprises one or combination in any in telepilot, keyboard, mouse and control panel.
5. the method for processor dynamic frequency-conversion according to claim 1 and 2, is characterized in that,
The carrier of described processor is human-computer interaction terminal, comprising: one of computing machine, air-conditioning, TV and host computer or combination in any.
6. the method for processor dynamic frequency-conversion according to claim 1, is characterized in that,
The process of described adjustment CPU frequency comprises:
Obtain the most high workload dominant frequency of CPU and minimum work dominant frequency;
Described CPU frequency is regulated according to described idle exponential quantity, most high workload dominant frequency and minimum work dominant frequency.
7. the method for processor dynamic frequency-conversion according to claim 6, is characterized in that,
Adopt following formula to regulate CPU frequency: f=(f1-f2) * n+f2; Wherein, f is the CPU frequency after regulating, and f1 is most high workload dominant frequency, and f2 is minimum work dominant frequency, and n is idle exponential quantity.
8. a device for processor dynamic frequency-conversion, is characterized in that, comprising:
Acquiring unit, the busy degree of the operation for obtaining input equipment;
Computing unit, for calculating the occupancy of CPU;
Arithmetic element, for using preset operation rule to carry out computing to the busy degree of described operation and described CPU usage, obtains idle exponential quantity;
Judging unit, for judging whether described idle exponential quantity is less than critical value;
Regulon, for when the judged result of described judging unit is for being, regulates CPU frequency according to described idle exponential quantity.
9. the device of processor dynamic frequency-conversion according to claim 8, is characterized in that,
Described acquiring unit also comprises:
Set up subelement, for setting up timer;
Statistics subelement, for carrying out user's number of operations on the input in the statistical unit time according to set up timer, is denoted as the busy degree of operation.
10. the device of processor dynamic frequency-conversion according to claim 8, is characterized in that,
Described regulon comprises:
Dominant frequency acquiring unit, for obtaining the most high workload dominant frequency of CPU and minimum work dominant frequency;
CPU regulon, for regulating described CPU frequency according to described idle exponential quantity, most high workload dominant frequency and minimum work dominant frequency.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510615376.8A CN105335233B (en) | 2015-09-24 | 2015-09-24 | A kind of method and apparatus of processor dynamic frequency-conversion |
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| CN201510615376.8A CN105335233B (en) | 2015-09-24 | 2015-09-24 | A kind of method and apparatus of processor dynamic frequency-conversion |
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| CN105335233B CN105335233B (en) | 2019-04-16 |
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| CN113220108A (en) * | 2018-08-21 | 2021-08-06 | 慧荣科技股份有限公司 | Computer readable storage medium, operating frequency adjusting method and device |
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