CN105404575A - Energy consumption measurement method and apparatus for application in mobile terminal - Google Patents

Abstract

The present invention relates to a mobile terminal application energy consumption measurement method and device, including obtaining the power consumption value P of the mobile terminal hardware components in different states; running the mobile terminal application program, obtaining the application code analysis result Ca, and analyzing the analysis result Ca Description: Combined with the application code analysis result Ca and power consumption value P, the energy consumption E of the mobile terminal application is calculated, and the accurate measurement of the application energy consumption is realized. This method is used to guide developers to measure the energy consumption of mobile terminal applications, solve the problem of non-standard energy consumption measurement of existing mobile terminal applications, and realize the optimization and reduction of mobile terminal application energy consumption. Under the premise of limited power supply conditions , increasing the service duration.

Description

Method and device for measuring energy consumption of mobile terminal applications

technical field

The present invention relates to a measurement method and device, in particular to a mobile terminal application energy consumption measurement method and device.

Background technique

In recent years, the mobile terminal market is developing rapidly. However, with the long-term stagnation of the battery manufacturing process, energy has become a bottleneck in the development of mobile terminal equipment, and energy consumption also affects the reliability and service life of mobile terminals. Currently, a large number of mobile terminals are in a long-running state. Since mobile terminals are generally small in size, the increase in energy consumption will significantly increase the temperature of the terminal equipment. According to statistics, every 15 degrees Celsius increase in the temperature of mobile devices will double the failure rate of the device, and higher temperatures will also affect the service life of the device. Therefore, for many mobile terminal devices that are critical to the safety of production and life, it is particularly important to study the energy consumption measurement technology of mobile terminal applications.

The energy consumption measurement of the mobile terminal application refers to measuring the energy consumption of the mobile terminal application during actual operation. At present, both industrial and academic circles, development engineers and end users have begun to pay attention to the energy consumption of mobile terminals. However, the energy consumption measurement technology has the problems of coarse measurement granularity and low measurement efficiency. These limitations make a large number of mobile applications more or less energy-wasting.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides a method and device for measuring energy consumption of mobile terminal applications, which solves the disadvantages of coarse granularity and low efficiency existing in existing techniques for measuring energy consumption of mobile terminal applications.

The object of the present invention is to adopt following technical scheme to realize:

A method for measuring energy consumption of a mobile terminal application, the method comprising:

(1) Obtain the power consumption value P of the mobile terminal hardware components in different states;

(2) Run the mobile terminal application program, obtain the application code analysis result Ca, and describe the analysis result Ca;

(3) Combine the application code analysis result Ca and the power consumption value P to calculate the energy consumption E of the mobile terminal application.

Preferably, in the step (1), the hardware components of the mobile terminal include Display, WiFi and GPS; the states include an on state, a working state and an off state.

Preferably, in the step (1), a power measurer is used to obtain the power consumption value P of the mobile terminal components; when an application program is executed, the processor uses the dynamic voltage and frequency adjustment technology DVFS to dynamically Adjust the operating voltage and frequency; when no application program is executed, the processor is in the IDLE state, and its power consumption value P is the lowest.

Preferably, obtaining the application code analysis result Ca in the step (2) includes calling the hardware component type, component calling times, component calling probability and component calling time of the mobile terminal through the application code.

Further, the expression of the application code analysis result Ca is:

Ca = <S, N, C, t>;

Wherein, S is the component type called by the application code; wherein, S={S1, S2,...,Sm} represents the m-type hardware components contained in the mobile terminal; N is the number of times the application code calls the hardware components; C is The probability that the application code invokes the hardware component; t is the time when the application code invokes the hardware component.

Preferably, the method for calculating the application energy consumption E of the mobile terminal in the step (3) includes: obtaining the application energy consumption E according to the component power consumption value P and the application code analysis result C _a , the expression of which is:

$\mathrm{<span\; class="notranslate">\; E.</span>}<span\; class="notranslate">\; =</span>{\mathrm{<span\; class="notranslate">\; \&Sigma;</span>}}_{\mathrm{<span\; class="notranslate">\; i</span>}<span\; class="notranslate">\; =</span>\mathrm{<span\; class="notranslate">\; 1</span>}}^{\mathrm{<span\; class="notranslate">\; k</span>}}{\mathrm{<span\; class="notranslate">\; \&Sigma;</span>}}_{\mathrm{<span\; class="notranslate">\; j</span>}<span\; class="notranslate">\; =</span>\mathrm{<span\; class="notranslate">\; 1</span>}}^{\mathrm{<span\; class="notranslate">\; k</span>}}\mathrm{<span\; class="notranslate">\; P</span>}{<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; C</span>}\mathrm{<span\; class="notranslate">\; P</span>}\mathrm{<span\; class="notranslate">\; u</span>}<span\; class="notranslate">\; )</span>}^{\mathrm{<span\; class="notranslate">\; j</span>}}<span\; class="notranslate">\; *</span>\mathrm{<span\; class="notranslate">\; t</span>}{<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; C</span>}\mathrm{<span\; class="notranslate">\; P</span>}\mathrm{<span\; class="notranslate">\; u</span>}<span\; class="notranslate">\; )</span>}^{\mathrm{<span\; class="notranslate">\; j</span>}}<span\; class="notranslate">\; +</span>{{\mathrm{<span\; class="notranslate">\; N</span>}}_{\mathrm{<span\; class="notranslate">\; i</span>}}}^{\mathrm{<span\; class="notranslate">\; j</span>}}<span\; class="notranslate">\; *</span>{{\mathrm{<span\; class="notranslate">\; P</span>}}_{\mathrm{<span\; class="notranslate">\; i</span>}}}^{\mathrm{<span\; class="notranslate">\; j</span>}}<span\; class="notranslate">\; *</span>{{\mathrm{<span\; class="notranslate">\; C</span>}}_{\mathrm{<span\; class="notranslate">\; i</span>}}}^{\mathrm{<span\; class="notranslate">\; j</span>}}<span\; class="notranslate">\; *</span>{{\mathrm{<span\; class="notranslate">\; t</span>}}_{\mathrm{<span\; class="notranslate">\; i</span>}}}^{\mathrm{<span\; class="notranslate">\; j</span>}}$

In the formula, represents the i-th type of components, i∈S, S={S1,S2,...,Sm}, where S represents the set of hardware components contained in the mobile terminal; P(CPU) ^j means that the CPU is in the j-th state t ^j is the time when the CPU is in the jth state, N _i ^j is the number of invocations of the i-th type component in the j-th state, P _i ^j is the i-th hardware component in the j-th state The power consumption value in the state, C _i ^j is the invocation probability of the i-type hardware component in the j-state, and t _i ^j is the invocation time of the i-type hardware component in the j-state.

A mobile terminal application energy consumption measurement device, the device includes: a control unit, a power measurer, a time measurer, a code analysis unit, an execution unit and a mobile terminal hardware component; the code analysis unit connected to the control unit is connected to the mobile terminal respectively The hardware component and the execution unit are connected to each other; the mobile terminal hardware component is connected to the power measuring device and the time measuring device respectively. in,

The control unit is used to run the mobile terminal application program and call the application code;

The code analysis unit is used to obtain the application code analysis result Ca;

The power measuring device is used to obtain the power consumption value P of the mobile terminal components;

The time measurer is used to record the call time of the mobile terminal hardware components in different states;

The execution unit is configured to calculate the energy consumption E of the mobile terminal application.

Compared with prior art, the beneficial effect that the present invention reaches is:

The present invention obtains the energy consumption value of each component by analyzing the energy consumption of the hardware components of the mobile terminal, and then performs weighted calculation on the components involved in the application according to the analysis result of the application code, and obtains a method and device for measuring the energy consumption of the mobile terminal application , to guide developers and business personnel to measure the energy consumption of mobile terminal applications. The acquisition of component energy consumption values, application code analysis, and application energy consumption analysis are introduced, so as to optimize and reduce the energy consumption of mobile terminal applications, and increase the continuous service time under the premise of limited power conditions.

It solves the irregularity of energy consumption measurement of existing mobile terminal applications, and can guide more standardized and accurate application energy consumption measurement.

Description of drawings

FIG. 1 is a flowchart of a method for measuring energy consumption of mobile terminal applications provided by the present invention;

FIG. 2 is a schematic structural diagram of a mobile terminal application energy consumption measuring device provided by the present invention;

detailed description

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

As shown in Figure 1, a mobile terminal application energy consumption measurement method, the method includes:

(1) Obtain the power consumption value P (Componentspowerconsumptionvalues) of the mobile terminal hardware components in different states, the mobile terminal hardware components include Display, WiFi, GPS and NIC (network interface card) etc.; the different states include open state, working state and closed status etc.

In step (1), the power consumption value P of the mobile terminal component is obtained by using the power measuring device; for example, a certain component of the mobile terminal is controlled by the control unit to make the component in the ON state (ON), and the power measuring device is used to obtain the power consumption value P of the component. The power consumption value in the state; the mobile terminal application is controlled by the control unit, and the component is controlled to be in the working state (ACTIVE), and the power consumption value of the component in this state is obtained through the power measuring device. Referring to the above method, each component of the mobile terminal is controlled by the control unit, so that each component is in each working state, and the specific power consumption value is measured, so as to calculate the power consumption value P of the component in different states. (4) Establish a component power consumption value table according to the obtained power consumption values of each component in different states, as shown in Table 1.

Hardware component status and corresponding power consumption table

When there is an application program executing, the processor uses the dynamic voltage and frequency adjustment technology DVFS to dynamically adjust the operating voltage and frequency according to the predefined frequency voltmeter; when no application program is executing, the processor is in the IDLE state, and its power consumption value P lowest.

For example, the power consumption value P of each component of an Android mobile terminal can be obtained according to an energy profiler configuration file (PowerProfile.xml) provided by the application framework. When no application program is executing, the processor is in the IDLE state with minimum power consumption. When the application program is executed on the processor, the processor uses dynamic voltage and frequency scale (DVFS) technology to dynamically adjust the operating voltage and frequency according to a predefined frequency voltmeter to save battery power.

(2) Run the mobile terminal application program, obtain the application code analysis result Ca (Code analysis), and describe the analysis result Ca; obtain the application code analysis result Ca in the step (2) and include calling the hardware of the mobile terminal by the application code Component type, number of component calls, component call probability, and component call time.

The expression of the application code analysis result Ca is:

Ca = <S, N, C, t>;

Wherein, S is the component type called by the application code; wherein, S={S1, S2,...,Sm} represents the m-type hardware components contained in the mobile terminal; N is the number of times the application code calls the hardware components; C is The probability that the application code invokes the hardware component; t is the time when the application code invokes the hardware component.

(3) Combine the application code analysis result Ca and the power consumption value P to calculate the application energy consumption E (ApplicationEnergyConsumptionCalculation) of the mobile terminal. The method includes: according to the component power consumption value P and the application code analysis result C _a , the expression for obtaining the application energy consumption E is:

$\mathrm{<span\; class="notranslate">\; E.</span>}<span\; class="notranslate">\; =</span>{\mathrm{<span\; class="notranslate">\; \&Sigma;</span>}}_{\mathrm{<span\; class="notranslate">\; i</span>}<span\; class="notranslate">\; =</span>\mathrm{<span\; class="notranslate">\; 1</span>}}^{\mathrm{<span\; class="notranslate">\; k</span>}}{\mathrm{<span\; class="notranslate">\; \&Sigma;</span>}}_{\mathrm{<span\; class="notranslate">\; j</span>}<span\; class="notranslate">\; =</span>\mathrm{<span\; class="notranslate">\; 1</span>}}^{\mathrm{<span\; class="notranslate">\; k</span>}}\mathrm{<span\; class="notranslate">\; P</span>}{<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; C</span>}\mathrm{<span\; class="notranslate">\; P</span>}\mathrm{<span\; class="notranslate">\; u</span>}<span\; class="notranslate">\; )</span>}^{\mathrm{<span\; class="notranslate">\; j</span>}}<span\; class="notranslate">\; *</span>\mathrm{<span\; class="notranslate">\; t</span>}{<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; C</span>}\mathrm{<span\; class="notranslate">\; P</span>}\mathrm{<span\; class="notranslate">\; u</span>}<span\; class="notranslate">\; )</span>}^{\mathrm{<span\; class="notranslate">\; j</span>}}<span\; class="notranslate">\; +</span>{{\mathrm{<span\; class="notranslate">\; N</span>}}_{\mathrm{<span\; class="notranslate">\; i</span>}}}^{\mathrm{<span\; class="notranslate">\; j</span>}}<span\; class="notranslate">\; *</span>{{\mathrm{<span\; class="notranslate">\; P</span>}}_{\mathrm{<span\; class="notranslate">\; i</span>}}}^{\mathrm{<span\; class="notranslate">\; j</span>}}<span\; class="notranslate">\; *</span>{{\mathrm{<span\; class="notranslate">\; C</span>}}_{\mathrm{<span\; class="notranslate">\; i</span>}}}^{\mathrm{<span\; class="notranslate">\; j</span>}}<span\; class="notranslate">\; *</span>{{\mathrm{<span\; class="notranslate">\; t</span>}}_{\mathrm{<span\; class="notranslate">\; i</span>}}}^{\mathrm{<span\; class="notranslate">\; j</span>}}$

In the formula, represents the i-th type of components, i∈S, S={S1,S2,...,Sm}, where S represents the set of hardware components contained in the mobile terminal; P(CPU) ^j means that the CPU is in the j-th state t ^j is the time when the CPU is in the jth state, N _i ^j is the number of invocations of the i-type component in the j-th state, P _i ^j is the i-th hardware component in the j-th state The power consumption value in the state, C _i ^j is the calling probability of the i-type hardware component in the j-state, and t _i ^j is the calling time of the i-type hardware component in the j-state.

As shown in Figure 2, a mobile terminal application energy consumption measurement device, the device includes: a control unit, a power measurer, a time measurer, a code analysis unit, an execution unit and a mobile terminal hardware component; the code connected to the control unit The analysis unit is connected with the mobile terminal hardware component and the execution unit respectively; the mobile terminal hardware component is connected with the power measuring device and the time measuring device respectively. in,

The control unit is used to run the mobile terminal application program and call the application code;

The code analysis unit is used to obtain the application code analysis result Ca;

The power measuring device is used to obtain the power consumption value P of the mobile terminal components;

The time measurer is used to record the call time of the mobile terminal hardware components in different states;

The execution unit is configured to calculate the energy consumption E of the mobile terminal application.

For the convenience of description, we assume the following measurement instances of mobile terminal applications:

A company plans to measure various mobile applications on the GT-I9108 mobile terminal to measure the energy consumption of the terminal applications. According to the measurement method of the application energy consumption of the mobile terminal of this patent, the specific examples are as follows:

1. The following table is used to obtain the power consumption value of each component on the GT-I9108 mobile terminal.

2. Run the map software, game software, and music software of the GT-I9108 mobile terminal, and analyze the application codes of these three application software. The application code analysis result of map software can be represented by Ca _a , the application code analysis result of game software can be represented by Ca _b , the application code analysis result of music software can be represented by Ca _c , Ca _a =<S _i , N _i , C _i , t The components involved in _i > mainly include WiFi, GPS, etc., and each component corresponds to its own N _i , C _i , t _i in different states; the components involved in Ca _b = <S _i , N _i , C _i , t _i > It mainly includes WiFi, Display, etc., and the components involved in Ca _c =<S _i , N _i , C _i , t _i > mainly include WiFi, Bluetooth, etc.

3. According to the GT-I9108 mobile terminal component power consumption value table and the application code analysis results, determine the formal expression of the energy consumption of the GT-I9108 mobile terminal map software, game software, and music software applications:

E(t) _a ＝E(CPU)+E ₂ ^j +E ₃ ^j +E _i ^j (i, j are natural numbers)

E(t) _b ＝E(CPU)+E ₂ ^j +E ₄ ^j +E _i ^j (i, j are natural numbers)

E(t) _c ＝E(CPU)+E ₂ ^j +E ₅ ^j +E _i ^j (i, j are natural numbers)

E(CPU)＝P(CPU) ^j *t ^j ; E ₂ ^j ＝N ₂ ^j *P ₂ ^j *C ₂ ^j *t ₂ ^j ; E ₃ ^j ＝N ₃ ^j *P ₃ ^j *C ₃ ^j * t ₃ ^j ;

E ₄ ^j ＝N ₄ ^j *P ₄ ^j *C ₄ ^j *t ₄ ^j ; E ₅ ^j ＝N ₅ ^j *P ₅ ^j *C ₅ ^j *t ₅ ^j ;

E _i ^j ＝N _i ^j *P _i ^j *C _i ^j *t _i ^j (i, j are natural numbers)

Among them, P(CPU) represents the energy consumption of CPU in different states, E ₂ ^j represents the energy consumption of WiFi in different states, E ₃ ^j represents the energy consumption of GPS in different states, E ₄ ^j represents the energy consumption of Diaplay in different states E ₅ ^j represents the energy consumption of Bluetooth in different states, and E _i ^j represents the energy consumption of certain components in different states.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention can still be Any modification or equivalent replacement that does not depart from the spirit and scope of the present invention shall be covered by the scope of the claims of the present invention.

Claims (7)

1. A method for measuring energy consumption of mobile terminal application is characterized in that the method comprises the following steps:

(1) acquiring power consumption values P of mobile terminal hardware components in different states;

(2) running the application program of the mobile terminal, acquiring an application code analysis result Ca, and describing the analysis result Ca;

(3) and calculating the application energy consumption E of the mobile terminal by combining the application code analysis result Ca and the power consumption value P.

2. The method of claim 1, wherein in step (1), the mobile terminal hardware components include Display, WiFi and GPS; the states include an on state, and an off state.

3. The method of claim 1, wherein in the step (1), a power measurer is used to obtain the power consumption value P of the mobile terminal component; when an application program is executed, the processor dynamically adjusts the working voltage and frequency according to a predefined frequency voltmeter by utilizing a dynamic voltage and frequency adjusting technology DVFS; when no application is executing, the processor is in IDLE state with lowest power consumption value P.

4. The method of claim 1, wherein the obtaining of the application code analysis result Ca in step (2) comprises calling a hardware component type, a component calling number, a component calling probability, and a component calling time of the mobile terminal through the application code.

5. The method of claim 4, wherein the expression of the application code analysis result Ca is:

Ca＝<S，N，C，t>；

wherein S is the component type called by the application code; wherein, S { S1, S2., Sm } represents m types of hardware components included in the mobile terminal; n is the number of times of calling the hardware component by the application code; c is the probability of calling the hardware component by the application code; t is the time when the application code calls the hardware component.

6. The method of claim 1, wherein the step (3) of calculating the energy consumption E of the application of the mobile terminal comprises: analyzing the result C according to the component power consumption value P and the application code_aAcquiring application energy consumption E, wherein the expression is as follows:

$E={\&Sigma;}_{i=1}^k{\&Sigma;}_{j=1}^{k}P{\left(CPU\right)}^j*t{\left(CPU\right)}^j+{N_i}^j*{P_i}^j*{C_i}^j*{t_i}^j$

wherein, i ∈ S, S is the component of the i-th class, S1, S2, Sm, S is the hardware component set contained in the mobile terminal, P (CPU)^jIs the power consumption value, t, of the CPU in the jth state^jFor the time of the CPU in the j-th state, N_i ^jFor the number of calls, P, of the ith class component in the jth state_i ^jIs the power consumption value, C, of the ith hardware component in the jth state_i ^jFor invocation of class i hardware component in jth stateProbability, t_i ^jThe calling time of the ith type hardware component in the jth state is obtained.

7. An apparatus for measuring energy consumption of a mobile terminal application, the apparatus comprising: the device comprises a control unit, a power measurer, a time measurer, a code analysis unit, an execution unit and a mobile terminal hardware component; the code analysis unit connected with the control unit is respectively connected with the mobile terminal hardware component and the execution unit; and the mobile terminal hardware component is respectively connected with the power measurer and the time measurer. Wherein,

the control unit is used for running the application program of the mobile terminal and calling the application code;

the code analysis unit is used for acquiring an application code analysis result Ca;

the power measurer is used for acquiring a power consumption value P of the mobile terminal component;

the time measurer is used for recording the calling time of the mobile terminal hardware component in different states;

and the execution unit is used for calculating the application energy consumption E of the mobile terminal.