CN110851327A - Hardware state information acquisition method and device, terminal and readable storage medium - Google Patents
Hardware state information acquisition method and device, terminal and readable storage medium Download PDFInfo
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- CN110851327A CN110851327A CN201911093850.XA CN201911093850A CN110851327A CN 110851327 A CN110851327 A CN 110851327A CN 201911093850 A CN201911093850 A CN 201911093850A CN 110851327 A CN110851327 A CN 110851327A
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- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3055—Monitoring arrangements for monitoring the status of the computing system or of the computing system component, e.g. monitoring if the computing system is on, off, available, not available
Abstract
The application provides a method, a device, a terminal and a readable storage medium for acquiring hardware state information; the hardware state information acquisition method comprises the following steps: sending a request for acquiring system hardware state information to the android system through an application program; after receiving a request for acquiring system hardware state information, the android system calculates the system hardware state information through a file node and a function which are preset in the android system and used for acquiring the system hardware state information; and the application program reads the system hardware state information through a preset hardware state information calling interface in the android system. According to the method and the device, the hardware state information of the system is calculated through the file node and the function which are preset in the android system and used for acquiring the hardware state information of the system, the acquisition efficiency of the hardware state information of the system is improved, and therefore the consumption of system resources is reduced.
Description
Technical Field
The present application relates to the field of computer technologies, and in particular, to a method and an apparatus for acquiring hardware status information, a terminal, and a readable storage medium.
Background
For a game mobile phone, during a game, a user can check the real-time performance and load state information of a system in the current game, such as a real-time frame rate, a CPU/GPU load and the like, through a function menu, and then the user can adjust game configuration according to the information. The common method for acquiring the information is to embed a system level APP in the mobile phone, and the APP accesses a bottom layer designated interface in the system to acquire the information and displays the information to a user through a processed UI. However, in general, to acquire the information, bottom layer general or partial custom interfaces are respectively called, and calculation is performed according to the information returned by the interfaces, so as to obtain the information to be finally displayed. For example, to acquire frame rate information of a current interface, first, a layer name of the current interface needs to be acquired, then, a surfaceflag interface is called to acquire timestamp sequence information of each frame under the layer name, and then, current frame rate information of the layer is calculated according to the timestamp lists. On the other hand, different Selinux permissions are required for calling the bottom layer interfaces of the System, for example, the interface in the SurfaceFlinger needs to be accessed for obtaining frame rate information, only the shell process can be called under the default condition of the mobile phone mass production version System, and the System APP process has no right to access. Node information such as CPU and GPU access is generally that system APP has permission, and shell process has no permission. This requires adjustment of the Selinux authority corresponding to the inaccessible interface, and the call flow is complex.
Disclosure of Invention
The embodiment of the application provides a method, a device, a terminal and a readable storage medium for acquiring hardware state information, which can at least solve the problem of high system resource consumption caused by low acquisition efficiency when acquiring system hardware state information in the related technology.
In a first aspect, an embodiment of the present application provides a hardware status information obtaining method, including,
sending a request for acquiring system hardware state information to the android system through an application program;
after receiving a request for acquiring system hardware state information, the android system calculates the system hardware state information through a file node and a function which are preset in the android system and used for acquiring the system hardware state information;
and the application program reads the system hardware state information through a preset hardware state information calling interface in the android system.
In a second aspect, an embodiment of the present application further provides a hardware status information acquiring apparatus, where the hardware status information acquiring apparatus includes:
the system hardware state information request module is used for sending a request for acquiring system hardware state information to the android system through an application program;
the system hardware state information calculation module is used for calculating system hardware state information through a file node and a function which are preset in the android system and used for acquiring the system hardware state information after the android system receives a request for acquiring the system hardware state information;
and the hardware state information reading module is used for reading the system hardware state information by the application program through a preset hardware state information calling interface in the android system.
In a third aspect, an embodiment of the present application further provides a terminal, which includes a memory, a processor, and a computer program stored in the memory and running on the processor, where when the processor executes the computer program, each step of the hardware state information obtaining method provided in the first aspect of the embodiment of the present application is implemented.
In a fourth aspect, an embodiment of the present application further provides a readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps in the hardware state information obtaining method provided in the first aspect of the embodiment of the present application.
As can be seen from the above, according to the hardware state information obtaining method, device, terminal and readable storage medium provided in the present application, an application layer initiates a request for obtaining system hardware state information to an android system, reads a file node and a function that are preset in the android system and used for obtaining system hardware state information, calculates the system hardware state information, and an application program reads the system hardware state information through a hardware state information calling interface preset in the android system. Through the implementation of the scheme, the file nodes and the function functions which are preset in the android system and used for acquiring the system hardware state information are read to the hardware state information of the system, so that the acquisition efficiency of the system hardware state information is improved, and the consumption of system resources is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic basic flow chart of a hardware status information obtaining method in an embodiment of the present application;
FIG. 2 is a basic flowchart of a processor load calculation method according to an embodiment of the present application;
fig. 3 is a basic flowchart of a layer refresh frame rate calculation method in an embodiment of the present application;
FIG. 4 is a basic flowchart of a layer name query method in an embodiment of the present application;
fig. 5 is a schematic basic flow chart of a hardware status information obtaining method in another embodiment of the present application;
FIG. 6 is a block diagram of a hardware status information acquisition device according to another embodiment of the present application;
fig. 7 is a block diagram of a hardware status information obtaining apparatus according to still another embodiment of the present application.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the problem of high system resource consumption caused by low acquisition efficiency when acquiring system hardware state information in the related art, a first embodiment of the present application provides a hardware state information acquisition method, which is applied to terminals such as mobile phones, computers, wearable devices, and the like, and as shown in fig. 1, the hardware state information acquisition method provided in this embodiment includes the following steps:
specifically, the request for obtaining the system hardware state information includes a request for obtaining real-time load state information of a processor and/or a request for obtaining real-time frame rate information of a current display interface of an application program, and the processor includes a CPU and a GPU. The acquisition of the system hardware state information is generally applied to games, during the game, a user can check the real-time performance and load state information of the system in the current game through a function menu, such as a real-time frame rate, a CPU/GPU load and the like, and the user can correspondingly adjust game parameters according to game requirements so as to obtain better game experience.
200, after receiving a request for acquiring system hardware state information, the android system calculates the system hardware state information through a file node and a function which are preset in the android system and used for acquiring the system hardware state information;
specifically, the Android bottom layer is Linux and a Linux file system. Hardware state information counted by the CPU or the GPU can be written under a file node in real time; after a system service is customized, a function for reading file node information is preset in the system service, the function can read information in a file node in the execution process, an exclusive interface is arranged in an android system for calling by an APP on an upper layer, information such as the current frame rate of a game and CPU/GPU load required to be displayed for a user is obtained at one time, the difficulty of obtaining the information by upper layer application is reduced, meanwhile, due to the fact that statistics is carried out on the bottom layer of the android system, the calculation efficiency of obtaining the information is improved, occupation of system resources when the information is obtained is facilitated to be reduced, and the system smoothness is improved.
And step 300, reading system hardware state information by the application program through a preset hardware state information calling interface in the android system.
Specifically, a hardware state information calling interface is preset in the android system, and the application program can read the system hardware state information calculated in the android system through the interface, so that the acquisition process of the system hardware state information is more convenient and faster.
As shown in fig. 2, in a specific embodiment, after the android system receives the request for acquiring the system hardware state information, the system hardware state information is calculated by using a file node and a function preset in the android system for acquiring the system hardware state information,
and step 204, calling a function to read the real-time load of each core and the actual maximum computing capacity of each core of the processor in the file node, and calculating to obtain the load of the processor.
In this specific embodiment, since the Android system bottom layer is the Linux system, a file node and a function are newly added in the Android system bottom layer, and the load state information of the processor written in the file node can be acquired by calling the function, where the processor includes a CPU/GPU. The code for calling an application program interface at the bottom layer of the android system to calculate the current real-time load of each core of the CPU/GPU is as follows:
unsigned long util＝READ_ONCE(cpu_rq(cpu)->cfs.avg.util_avg)；
unsigned long capacity＝capacity_orig_of(cpu)；
return min(cpu_util,capacity)；
the codes for calling the application program interface at the bottom layer of the android system to calculate the actual maximum computing capacity of each core of the CPU/GPU are as follows: capacity _ orig _ of (cpu);
the calculation process of the processor load is as follows: calling a function to read the real-time load of each core of a processor in a file node and the actual maximum computing capacity of each core;
and multiplying the real-time load of each core of the processor by the actual maximum computing capacity, adding the multiplied real-time loads and the actual maximum computing capacity, and dividing the multiplied real-time loads by the sum of the actual maximum computing capacity of each core of the processor to obtain the processor load. For example, four cores are provided in one processor, and the actual maximum computing power of each core is a, B, C, and D; the real-time load of each core of the processor is a, b, c and d; the processor load F is calculated as:
f ═ a + B + C + D ═ D)/(a + B + C + D). Through the file nodes and the function functions, the CPU/GPU load can be directly calculated in the system bottom layer, the calculation efficiency for acquiring the information is improved, occupation of system resources when CPU/GPU hardware state information is acquired is reduced, and the system fluency is improved.
As shown in fig. 3, in a specific embodiment, after the android system receives the request for acquiring the system hardware state information, the system hardware state information is calculated by using a file node and a function preset in the android system for acquiring the system hardware state information,
and step 214, subtracting the counted total refreshing frame number of the display interface layer from the counted total refreshing frame number of the display interface layer at the current time, and then dividing the subtracted total refreshing frame number by the time interval counted at the last time to obtain the refreshing frame rate of the display interface.
In the scheme, a recording function is preset in the SurfaceFlinger service, when the display interface layer is refreshed, the refreshing frequency of each layer on the display interface can be recorded in a cache, and the total frame number of the refreshing of the display interface layer can be counted by transferring the layer name of the current display interface layer to the SurfaceFlinger service through a frame number counting interface preset in the SurfaceFlinger service.
As shown in fig. 4, the querying the layer name of the current display interface layer through a layer name query function preset in the surfefinger service includes,
In the embodiment, points are buried in a frame layer of an android system, each life cycle time point in the application starting process can be obtained, and when the application is switched, the application package name of the current display interface layer can be obtained; and meanwhile, the application package name of the current display interface layer is transmitted to the application package name reading function through an application package name reading function preset in the system service SurfaceFlinger, the application package name reading function can read all layer names of the current display interface layer, and the layer name containing the application package name of the display interface layer is the layer name of the current display interface layer.
In addition, the method is mainly used for games, and the games have the characteristic that the main interface of an application program is surfaceView, the corresponding layer generally starts from surfaceView-, and when one game application interface has a plurality of layers, the game application interface can be further filtered according to the characteristic.
In a specific embodiment, the method for acquiring hardware state information further includes displaying the system hardware state information on a current display interface of the application program after the application program reads the system hardware state information.
Specifically, the application program displays the read hardware state information on the use interface of the application program, and when the use interface of the application program is continuously refreshed, the hardware state information of the system presents a continuously changing process due to the extremely fast sending speed of the information and the continuous refreshing of the current system interface. For example, when a user opens an APP of a game, hardware state information of the system is displayed in real time in a game APP interface, and load state information of the current system running process and a refresh frame rate of a screen are directly fed back to the user on the game interface, so that the user can conveniently adjust game parameters correspondingly according to the hardware state information and game requirements, and better game experience can be obtained.
In another embodiment, as shown in fig. 5, a hardware status information obtaining method comprises the following steps,
500, after receiving a request for acquiring system hardware state information, the android system calculates the system hardware state information through a file node and a function which are preset in the android system and used for acquiring the system hardware state information;
In this embodiment, the system hardware state information includes CPU/GPU load state information and/or real-time frame rate information of the current display interface, before the application program reads the system hardware state information, the calculated system hardware state information needs to be encapsulated in a custom format, the encapsulated format may be a character string format, the CPU/GPU load state information and/or the real-time frame rate information of the system interface are encapsulated into a character string, and then the character string is placed into an array for further encapsulation, and after the application program reads the system hardware state information, the application program parses the system hardware state information into display data and displays the display data on the current use interface of the application program.
As shown in fig. 6, another embodiment provided by the present application is: a hardware status information acquisition apparatus, the hardware status information acquisition apparatus comprising:
the system hardware state information request module 601 is configured to send a request for acquiring system hardware state information to the android system through an application program;
the system hardware state information calculating module 602 is configured to calculate system hardware state information through a file node and a function, which are preset in the android system and used for acquiring system hardware state information, after the android system receives a request for acquiring the system hardware state information;
and the hardware state information reading module 603 is configured to read, by the application program, system hardware state information through a hardware state information call interface preset in the android system.
In this embodiment, the request for obtaining the system hardware status information includes,
the method comprises the steps of obtaining a request of real-time hardware state information of a processor and/or obtaining real-time frame rate information of a current system interface of an application program.
Further, the system hardware status information calculating module 602 is specifically configured to,
calling an application program interface at the bottom layer of the android system to calculate the real-time load of each core of the processor;
calling an application program interface at the bottom layer of the android system to calculate the actual maximum calculation capacity of each core of the processor;
writing the real-time load of each core of the processor and the actual maximum computing capacity of each core to a file node preset in the android system;
and calling a function to read the real-time load of each core and the actual maximum computing capacity of each core of the processor in the file node, and calculating to obtain the processor load.
Wherein the processor load calculation process comprises: and multiplying the real-time load of each core of the processor by the actual maximum computing capacity, adding the multiplied real-time loads and the actual maximum computing capacity, and dividing the multiplied real-time loads by the sum of the actual maximum computing capacity of each core of the processor to obtain the processor load.
Further, the system hardware status information calculation module 602 is further configured to,
inquiring the layer name of the current display interface layer through a layer name inquiry function preset in a SurfaceFlinger service;
calling a frame number counting interface preset in the SurfaceFlinger service to transmit the layer name of the current display interface layer to the SurfaceFlinger service, and counting the total refreshing frame number of the current display interface layer;
at a preset time interval, calling a frame number counting interface preset in the SurfaceFlinger service again to transmit the layer name of the current display interface layer to the SurfaceFlinger service, and counting the total refreshing frame number of the current display interface layer;
and subtracting the counted total refreshing frame number of the display interface layer from the counted total refreshing frame number of the display interface layer at the current time, and then dividing the obtained total refreshing frame number by the time interval of the two times of counting to obtain the refreshing frame rate of the display interface.
Further, the querying the layer name of the current display interface layer through a layer name query function preset in the surface flunger service includes,
reading the application package name of the current display interface layer through an application package name reading function preset in the SurfaceFlinger service;
and inquiring the layer names of all layers in the current display interface according to the application package name of the layer system interface of the current display interface.
As shown in fig. 7, the hardware status information obtaining apparatus further includes a hardware status information displaying module 604, configured to display the system hardware status information on a current display interface of the application program after the application program reads the system hardware status information.
It should be noted that, all the embodiments of the hardware state information obtaining method can be implemented based on the hardware state information obtaining device provided in this embodiment, and it can be clearly understood by those skilled in the art that, for convenience and simplicity of description, the specific working process of the hardware state information obtaining device described in this embodiment may refer to the corresponding process in the foregoing method embodiments, and details are not described here again.
The application also provides a terminal, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the computer program to realize each step of the hardware state information acquisition method provided by the embodiment of the method.
The present application also provides a storage medium on which a computer program is stored, where the computer program, when executed by a processor, implements the steps in the hardware state information acquisition method provided by the method embodiments.
Each functional module in the embodiments of the present invention may be integrated into one processing module, or each module may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It should be noted that, for the sake of simplicity, the above-mentioned method embodiments are described as a series of acts or combinations, but those skilled in the art should understand that the present invention is not limited by the described order of acts, as some steps may be performed in other orders or simultaneously according to the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no acts or modules are necessarily required of the invention.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the above description of the hardware status information obtaining method, apparatus, terminal and readable storage medium provided by the present invention, for those skilled in the art, according to the idea of the embodiment of the present application, there may be changes in the specific implementation and application scope, and in summary, the content of the present specification should not be construed as limiting the present invention.
Claims (10)
1. A hardware status information acquisition method is characterized by comprising the following steps,
sending a request for acquiring system hardware state information to the android system through an application program;
after receiving a request for acquiring system hardware state information, the android system calculates the system hardware state information through a file node and a function which are preset in the android system and used for acquiring the system hardware state information;
and the application program reads the system hardware state information through a preset hardware state information calling interface in the android system.
2. The hardware status information acquisition method according to claim 1, wherein said request for acquiring system hardware status information includes,
and acquiring a request of the real-time load state information of the processor and/or acquiring the real-time frame rate information of the current display interface of the application program.
3. The hardware state information acquiring method according to claim 2, wherein after the android system receives the request for acquiring the system hardware state information, the system hardware state information is calculated by a file node and a function which are preset in the android system and used for acquiring the system hardware state information, and the calculation includes,
calling an application program interface at the bottom layer of the android system to calculate the real-time load of each core of the processor;
calling an application program interface at the bottom layer of the android system to calculate the actual maximum calculation capacity of each core of the processor;
writing the real-time load of each core of the processor and the actual maximum computing capacity of each core to a file node preset in the android system;
and calling a function to read the real-time load of each core and the actual maximum computing capacity of each core of the processor in the file node, and calculating to obtain the processor load.
4. The hardware state information acquisition method of claim 3, wherein the calling function reads a real-time load of each core of the processor in the file node and an actual maximum computation capability of each core, and the calculating the processor load comprises,
calling a function to read the real-time load of each core of a processor in a file node and the actual maximum computing capacity of each core;
and multiplying the real-time load of each core of the processor by the actual maximum computing capacity, adding the multiplied real-time loads and the actual maximum computing capacity, and dividing the multiplied real-time loads by the sum of the actual maximum computing capacity of each core of the processor to obtain the processor load.
5. The hardware state information acquiring method according to claim 2, wherein after the android system receives the request for acquiring the system hardware state information, the system hardware state information is calculated by a file node and a function which are preset in the android system and used for acquiring the system hardware state information, and the calculation includes,
inquiring the layer name of the current display interface layer through a layer name inquiry function preset in a SurfaceFlinger service;
calling a frame number counting interface preset in the SurfaceFlinger service to transmit the layer name of the current display interface layer to the SurfaceFlinger service, and counting the total refreshing frame number of the current display interface layer;
at a preset time interval, calling a frame number counting interface preset in the SurfaceFlinger service again to transmit the layer name of the current display interface layer to the SurfaceFlinger service, and counting the total refreshing frame number of the current display interface layer;
and subtracting the counted total refreshing frame number of the display interface layer from the counted total refreshing frame number of the display interface layer at the current time, and then dividing the obtained total refreshing frame number by the time interval of the two times of counting to obtain the refreshing frame rate of the display interface.
6. The method according to claim 5, wherein said querying the layer name of the current display interface layer through a layer name query function preset in a SurfaceFlinger service includes,
reading the application package name of the current display interface layer through an application package name reading function preset in the SurfaceFlinger service;
and inquiring the layer names of all layers in the current display interface layer according to the application package name of the current display interface layer.
7. The hardware state information acquisition method according to claim 1, further comprising,
and after the application program reads the system hardware state information, displaying the system hardware state information on a current display interface of the application program.
8. A hardware status information acquisition apparatus, characterized by comprising:
the system hardware state information request module is used for sending a request for acquiring system hardware state information to the android system through an application program;
the system hardware state information calculation module is used for calculating system hardware state information through a file node and a function which are preset in the android system and used for acquiring the system hardware state information after the android system receives a request for acquiring the system hardware state information;
and the hardware state information reading module is used for reading the system hardware state information by the application program through a preset hardware state information calling interface in the android system.
9. A terminal comprising a memory, a processor and a computer program stored in the memory and running on the processor, wherein the processor implements the steps of the hardware status information acquisition method according to any one of claims 1 to 7 when executing the computer program.
10. A readable storage medium on which a computer program is stored, the computer program, when being executed by a processor, implementing the steps of the hardware status information acquisition method according to any one of claims 1 to 7.
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