CN107832191B - Black screen detection method, mobile terminal and computer readable storage medium - Google Patents
Black screen detection method, mobile terminal and computer readable storage medium Download PDFInfo
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- G06F11/3065—Monitoring arrangements determined by the means or processing involved in reporting the monitored data
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Abstract
The invention discloses a black screen detection method, a mobile terminal and a computer readable storage medium, wherein the black screen detection method comprises the following steps: acquiring a key process monitoring log output when monitoring a preset key process in the display service of the mobile terminal; judging whether a preset key process in the display service of the mobile terminal is abnormal or not according to the key process monitoring log; when the preset key flow is abnormal, acquiring a communication module monitoring log output when the preset flow of a communication module of the mobile terminal is monitored, and judging whether the communication module is abnormal or not according to the communication module monitoring log; and when the communication module is abnormal, extracting black screen fault information from the key process monitoring log and the communication module monitoring log, and outputting the black screen fault information to a characteristic log file. The invention can effectively reduce the labor cost and the time cost.
Description
Technical Field
The invention relates to the technical field of mobile terminals, in particular to a black screen detection method, a mobile terminal and a computer readable storage medium.
Background
With the development of mobile terminal technology, more and more Applications (APPs) are integrated in the mobile terminal, and at present, tens of thousands of applications are installed on the mobile terminal based on different scenes, and with more and more third-party applications and service software installed on the mobile terminal by a user, when people use the mobile terminal daily, the display service of the mobile terminal is easily affected, so that the mobile terminal has a black screen phenomenon due to the abnormal display service.
At present, when the black screen phenomenon appears in the mobile terminal, the user is required to manually force the mobile terminal to be restarted to enable the mobile terminal to recover to normal, the user experience is poor, in addition, the reasons for the black screen phenomenon appearing in the mobile terminal are various, the mobile terminal cannot be recovered to normal by restarting the mobile terminal, the mobile terminal needs to be returned to a manufacturer for maintenance, and more time is required for developers to detect and position the black screen reason for the mobile terminal. Therefore, how to quickly position the black screen, and reduce the labor cost and the time cost are problems to be solved urgently at present.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a black screen detection method, a mobile terminal and a computer readable storage medium, and aims to solve the technical problems of how to quickly locate the reason of the black screen and reduce the labor cost and the time cost.
In order to achieve the above object, the present invention provides a black screen detection method, which is applied to a mobile terminal, and comprises the following steps:
acquiring a key process monitoring log output when monitoring a preset key process in the display service of the mobile terminal;
judging whether a preset key process in the display service of the mobile terminal is abnormal or not according to the key process monitoring log;
when the preset key flow is abnormal, acquiring a communication module monitoring log output when the preset flow of a communication module of the mobile terminal is monitored, and judging whether the communication module is abnormal or not according to the communication module monitoring log;
and when the communication module is abnormal, extracting black screen fault information from the key process monitoring log and the communication module monitoring log, and outputting the black screen fault information to a characteristic log file.
Optionally, the step of determining whether a preset key process in the display service of the mobile terminal is abnormal according to the key process monitoring log includes:
extracting key process monitoring data of a preset key process from the key process monitoring log;
judging whether the key process monitoring data contains preset information or not;
if the key process monitoring data contains preset information, judging that a preset key process in the display service of the mobile terminal is abnormal;
and if the key process monitoring data does not contain preset information, judging that the preset key process in the display service of the mobile terminal is not abnormal.
Optionally, the step of determining whether the communication module is abnormal according to the communication module monitoring log includes:
reading communication module operation information recorded in a preset flow of the communication module from the communication module monitoring log, and judging whether an operation state value in the communication module operation information is a preset state value or not;
and when the running state value in the running information of the communication module is not the preset state value, judging that the communication module is abnormal.
Optionally, after the step of determining whether a preset key process in the display service of the mobile terminal is abnormal according to the key process monitoring log, the black screen detection method further includes:
when a preset key flow in the display service of the mobile terminal is not abnormal, detecting whether the mobile terminal is in a black screen state;
when the mobile terminal is detected to be in a black screen state, acquiring current black screen time, and calculating a time difference between the current black screen time and historical call time;
when the time difference is lower than a preset threshold value, acquiring a communication module monitoring log output when monitoring a preset flow of a communication module of the mobile terminal, and judging whether the communication module is abnormal or not according to the communication module monitoring log;
and when the communication module is abnormal, extracting black screen fault information from the communication module monitoring log, and outputting the black screen fault information to a characteristic log file.
Optionally, after the step of determining whether a preset key process in the display service of the mobile terminal is abnormal according to the key process monitoring log, the black screen detection method further includes:
when a preset key process in the display service of the mobile terminal is abnormal, storing the key process monitoring log into a preset storage partition;
and when the mobile terminal is detected to be in a screen-off standby state, performing redundancy removal processing on the key process monitoring logs in the preset storage partition.
Optionally, after the step of performing redundancy removal processing on the key process monitoring log in the preset storage partition, the black screen detection method further includes:
judging whether the storage data volume of the key process monitoring log in the preset storage partition exceeds a preset threshold value or not;
and when the storage data amount of the key process monitoring log exceeds a preset threshold value, selecting data to be deleted from the preset storage partition, and deleting the data to be deleted.
In addition, to achieve the above object, the present invention also provides a mobile terminal, including: the system comprises a memory, a processor and a black screen detection program stored on the memory and capable of running on the processor, wherein the black screen detection program realizes the steps of the black screen detection method when being executed by the processor.
The present invention also provides a computer-readable storage medium, wherein the computer-readable storage medium stores a black screen detection program, and the black screen detection program, when executed by a processor, implements the steps of the black screen detection method as described above.
The invention provides a black screen detection method, a mobile terminal and a computer readable storage medium, which are used for acquiring a key flow monitoring log output when monitoring a preset key flow in a display service of the mobile terminal, judging whether the preset key flow in the display service of the mobile terminal is abnormal or not according to the key flow monitoring log, then acquiring a communication module monitoring log output when monitoring the preset flow of a communication module of the mobile terminal when the preset key flow is abnormal, judging whether the communication module is abnormal or not according to the communication module monitoring log, finally extracting black screen fault information from the key flow monitoring log and the communication module monitoring log when the communication module is abnormal, and outputting the black screen fault information to a characteristic log file, wherein the scheme monitors the key flow in the display service of the mobile terminal, when the key process is monitored to be abnormal, a communication module monitoring log is obtained, then when the communication module of the mobile terminal is determined to be abnormal based on the communication module monitoring log, the mobile terminal is judged to have a black screen fault, and black screen fault information is output to a feature log file, so that developers can conveniently inquire the feature log file when detecting and positioning the black screen reason of the mobile terminal, the black screen reason can be quickly and accurately positioned, and the labor cost and the time cost are greatly reduced.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present invention;
FIG. 2 is a level diagram of an operating system of the mobile terminal according to the present invention;
FIG. 3 is a flowchart illustrating a blank screen detection method according to a first embodiment of the present invention;
FIG. 4 is a flowchart illustrating a second embodiment of a blank screen detection method according to the present invention;
fig. 5 is a flowchart illustrating a black screen detection method according to a third embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.
The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile terminal in detail with reference to fig. 1:
the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex Long Term Evolution), and TDD-LTE (Time Division duplex Long Term Evolution).
WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.
Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.
The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.
The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
Referring to fig. 2, which is a schematic hierarchical diagram of an operating system stored in a storage program area, as shown in fig. 2, the operating system includes a Loader layer, a Kernel layer, a Native layer, a Framework layer (including a C + + Framework layer and a Java Framework layer), and an App layer, where an HAL layer (hardware abstraction layer) also exists between the Kernel layer and the Native layer, a JNI layer also exists between the C + + Framework layer and the Java Framework layer, and a SysCall layer also exists between the HAL layer and the Kernel layer.
The Loader layer comprises a Boot ROM (Boot service) and a Boot Loader (Boot initialization program), wherein the Boot ROM is mainly used for booting by pressing a Power (Boot) key for a long time when the mobile terminal is in a Power-off state, and a Boot chip starts to execute from a preset code solidified in the ROM. The Boot Loader is a Boot program before starting the operating system, and mainly has the functions of checking the RAM, initializing hardware parameters and the like.
The Kernel layer is mainly used for performing related work such as initialization process management, memory management, Display loading, Camera Driver (Camera Driver), Binder Driver (Binder Driver) and the like, and is used for creating Kernel daemon processes such as Kernel worker threads kworkder, soft interrupt threads ksofirqd and soft interrupt threads thermal.
The Native layer mainly comprises a daemon process of a user space hatched by init, a HAL layer, startup animation and the like. User daemon processes, User Daemons, such as ueven, logd, health, installd, adbd, and lmkd, can hatch out from the Init process (a User-level process started by a kernel); the init process also starts important services such as servicemanager and bootanim; the init process hatches a Zygote process, the Zygote process is the first Java process of the operating system, the Zygote process is the parent process of all the Java processes, and the Zygote process is hatched from the init process.
The Framework layer comprises a Zygote process, a System Server (System service) process and a Media Server (multimedia service) process, wherein the Zygote process is generated by an init process through analysis of an init.rc file and then fork, and mainly comprises loading Zygote init classes, registering Zygote Socket service end sockets, loading virtual machines, preloadClasses, preloadResouces and the like; the System Server process is derived from a Zygote process fork, the System Server is the first process of Zygote incubation, and the System Server is responsible for starting and managing the whole Java Framework and comprises services such as an ActivitiManager (application program component), a PowerManager (power supply management component) and a WindowManagerServer (window management component); the Media Server process, which is derived from the init process fork, is responsible for starting and managing the whole C + + frame, and includes services such as audio pointer (afofinger), Camera Service (Camera Service), and MediaPlayServer (multimedia Service).
The APP layer comprises APP processes, each APP process is generated by a Zygote process fork, the first APP process hatched by the Zygote process is a Launcher (desktop Launcher), desktop APPs seen by a user are created by the Zygote process, the App processes such as a Browser, a Phone and an Email are also created by the Zygote process, and each App runs on at least one process.
The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.
Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.
Based on the above mobile terminal hardware structure, various embodiments of the mobile terminal of the present invention are provided.
Referring to fig. 1, in a first embodiment of the mobile terminal of the present invention, the mobile terminal includes: a memory, a processor, and a black screen detection program stored on the memory and executable on the processor, the black screen detection program when executed by the processor implementing the steps of:
acquiring a key process monitoring log output when monitoring a preset key process in the display service of the mobile terminal;
judging whether a preset key process in the display service of the mobile terminal is abnormal or not according to the key process monitoring log;
when the preset key flow is abnormal, acquiring a communication module monitoring log output when the preset flow of a communication module of the mobile terminal is monitored, and judging whether the communication module is abnormal or not according to the communication module monitoring log;
and when the communication module is abnormal, extracting black screen fault information from the key process monitoring log and the communication module monitoring log, and outputting the black screen fault information to a characteristic log file.
Further, the black screen detection program when executed by the processor further implements the steps of:
the step of judging whether a preset key process in the display service of the mobile terminal is abnormal or not according to the key process monitoring log comprises the following steps:
extracting key process monitoring data of a preset key process from the key process monitoring log;
judging whether the key process monitoring data contains preset information or not;
if the key process monitoring data contains preset information, judging that a preset key process in the display service of the mobile terminal is abnormal;
and if the key process monitoring data does not contain preset information, judging that the preset key process in the display service of the mobile terminal is not abnormal.
Further, the black screen detection program when executed by the processor further implements the steps of:
reading communication module operation information recorded in a preset flow of the communication module from the communication module monitoring log, and judging whether an operation state value in the communication module operation information is a preset state value or not;
and when the running state value in the running information of the communication module is not the preset state value, judging that the communication module is abnormal.
Further, the black screen detection program when executed by the processor further implements the steps of:
when a preset key flow in the display service of the mobile terminal is not abnormal, detecting whether the mobile terminal is in a black screen state;
when the mobile terminal is detected to be in a black screen state, acquiring current black screen time, and calculating a time difference between the current black screen time and historical call time;
when the time difference is lower than a preset threshold value, acquiring a communication module monitoring log output when monitoring a preset flow of a communication module of the mobile terminal, and judging whether the communication module is abnormal or not according to the communication module monitoring log;
and when the communication module is abnormal, extracting black screen fault information from the communication module monitoring log, and outputting the black screen fault information to a characteristic log file.
Further, the black screen detection program when executed by the processor further implements the steps of:
when a preset key process in the display service of the mobile terminal is abnormal, storing the key process monitoring log into a preset storage partition;
and when the mobile terminal is detected to be in a screen-off standby state, performing redundancy removal processing on the key process monitoring logs in the preset storage partition.
Further, the black screen detection program when executed by the processor further implements the steps of:
judging whether the storage data volume of the key process monitoring log in the preset storage partition exceeds a preset threshold value or not;
and when the storage data amount of the key process monitoring log exceeds a preset threshold value, selecting data to be deleted from the preset storage partition, and deleting the data to be deleted.
The specific embodiment of the mobile terminal of the present invention is substantially the same as the specific embodiments of the black screen detection method described below, and will not be described herein again.
Further, the present invention also provides a black screen detection method applied to the mobile terminal shown in fig. 1, referring to fig. 3, and fig. 3 is a flowchart illustrating a first embodiment of the black screen detection method according to the present invention.
In this embodiment, the black screen detection method includes:
step S101, obtaining a key process monitoring log output when monitoring a preset key process in the display service of the mobile terminal;
the black screen detection method is applied to the mobile terminal shown in fig. 1, and the mobile terminal comprises a smart phone, a tablet computer and the like. The display service in the mobile terminal operating system and the communication module of the mobile terminal are abnormal, which easily causes the phenomenon of the black screen of the mobile terminal, therefore, the invention divides the display flow of the display service in the Java frame layer into a key flow and a non-key flow by combing and standardizing the display service in the Java frame layer and according to the importance degree of the display flow in the display service, then monitors the key flow to realize the abnormal monitoring of the display service, and carries out log record on the initialization flow, the matching flow along with the card and the communication flow of the communication module, and then determines whether the communication module is abnormal or not based on the monitoring log of the communication module when the display service is abnormal, wherein the key flow comprises a bright and dark screen broadcasting receiving flow, a bright and dark screen event reporting flow, a display buffer area reading flow, a system UI display preparation flow and the like. Specifically, the method runs in the form of independent threads by deploying monitoring threads in a system _ server process of a Java framework layer, and adjusts the starting sequence to ensure that the monitoring threads are executed before the display service of the Java framework layer is formally started. In addition, the invention also establishes a daemon process on the Native layer for detecting whether the monitoring thread running on the Java framework layer is abnormal or not and recovering after the abnormality occurs, specifically, the daemon process actively initiates heartbeat communication with the monitoring thread at regular time to judge whether the monitoring thread normally runs or not, the heartbeat communication mainly comprises the steps of reading the state of the monitoring thread through the Native layer daemon process, judging whether the monitoring thread normally runs or not according to the read state, timing when the daemon process reads that the state is in a blocking state, forcibly closing the monitoring thread when the blocking state reaches a preset time, and reestablishing the monitoring thread to ensure that the monitoring thread is always in a normal working state.
When a mobile terminal is about to start a display service, acquiring a key process monitoring log output when monitoring a preset key process in the display service of the mobile terminal, namely executing a monitoring thread deployed in a system _ server process of a Java framework layer, monitoring the preset key process in the display service of the mobile terminal through the monitoring thread to acquire key process monitoring data, and outputting the key process monitoring data according to a preset log format to acquire the key process monitoring log. The preset key flows comprise a screen on-off broadcast receiving flow, a screen on-off event reporting flow, a display buffer area reading flow, a system UI display preparation flow and the like, and the key flow monitoring data comprise monitoring time, key flow identification, operation actions, execution time of the operation actions, operation action execution results, display states and the like. The preset log format comprises monitoring time, key process identification, operation action, execution time of the operation action, execution result of the operation action, display state and the like.
Specifically, the mobile terminal monitors a screen on/off broadcast receiving flow, a screen on/off event reporting flow, a display buffer area reading flow, a system UI display preparation flow and the like, namely, whether a screen on/off operation triggered by a user is successfully executed by the mobile terminal is monitored, namely, a state return value for executing the screen on/off operation is read from a register, whether the state return value is the same as a previous state return value is judged, if the state return value is the same as the previous state return value, it is indicated that the screen on/off broadcast receiving flow is in an abnormal state, and if the state return value is different from the previous state return value, it is indicated that the screen on/off broadcast receiving flow is in a normal state; monitoring whether a screen on-off event triggered by a power key by a user is reported successfully, if the screen on-off event is reported successfully, indicating that a screen on-off event reporting flow is in a normal state, and if the screen on-off event is reported unsuccessfully, indicating that a screen off-on-off event reporting flow is in an abnormal state; monitoring whether the similarity of the synthesized data and the data to be synthesized in the display cache region is greater than a preset threshold value, if the similarity of the synthesized data and the data to be synthesized in the display cache region is greater than or equal to the preset threshold value, indicating that the reading process of the display cache region is in a normal state, and if the similarity of the synthesized data and the data to be synthesized in the display cache region is less than the preset threshold value, indicating that the reading process of the display cache region is in an abnormal state; monitoring whether the state value of the system UI is a preset state value or not, if the state value of the system UI is the preset state value, indicating that the system UI display preparation process is in an abnormal state, and if the state value of the system UI is not the preset state value, indicating that the system UI display preparation process is in a normal state.
Step S102, judging whether a preset key process in the display service of the mobile terminal is abnormal or not according to the key process monitoring log;
the mobile terminal outputs the key process monitoring data based on a preset log format so as to obtain a key process monitoring log, and then judges whether a preset key process in the display service of the mobile terminal is abnormal or not according to the key process monitoring log, and when the preset key process is abnormal, the mobile terminal is judged to have a black screen fault.
Specifically, in this embodiment, the step of determining whether a preset key process in the display service of the mobile terminal is abnormal according to the key process monitoring log includes:
extracting key process monitoring data of a preset key process from the key process monitoring log;
judging whether the key process monitoring data contains preset information or not;
if the key process monitoring data contains preset information, judging that a preset key process in the display service of the mobile terminal is abnormal;
and if the key process monitoring data does not contain preset information, judging that the preset key process in the display service of the mobile terminal is not abnormal.
After the mobile terminal acquires the key process monitoring log, extracting key process monitoring data of a preset key process in the display service from the key process monitoring log, and judging whether the key process monitoring data contains preset information, if the key process monitoring data contains the preset information, judging that the preset key process in the display service of the mobile terminal is abnormal, and if the key process monitoring data does not contain the preset information, judging that the preset key process in the display service of the mobile terminal is not abnormal. The preset information comprises information indicating that a state return value of the on-off screen operation is the same as a previous state return value, information indicating that the on-off screen event report fails, information indicating that the similarity of the synthesized data and the data to be synthesized in the display buffer area is smaller than a preset threshold value, and information indicating that the state value of the system UI is the preset state value. It should be noted that the preset information can be set by a person skilled in the art based on actual situations, and this embodiment will not be specifically described here.
Step S103, when the preset key process is abnormal, acquiring a communication module monitoring log output when the preset process of the communication module of the mobile terminal is monitored, and judging whether the communication module is abnormal according to the communication module monitoring log;
when the preset key flow in the display service is abnormal, the mobile terminal acquires a communication module monitoring log output when monitoring the preset flow (an initialization flow, a card matching flow and a communication flow) of a communication module of the mobile terminal, and judges whether the split screen application of the mobile terminal is abnormal or not according to the communication module monitoring log. The initialization process is that the communication module acquires the basic information of an operator matched and associated with the SIM card or the USM card in the card slot, the card matching process is that the communication module matches a signal frequency band based on the basic information of the operator after acquiring the basic information of the operator matched and associated with the communication module, and the communication process is that the communication module carries out communication after the frequency band is successfully matched.
Specifically, in the present embodiment, the step S103 includes:
reading communication module operation information recorded in a preset flow of the communication module from the communication module monitoring log, and judging whether an operation state value in the communication module operation information is a preset state value or not;
and when the running state value in the running information of the communication module is not the preset state value, judging that the communication module is abnormal.
When the mobile terminal acquires the communication module monitoring log, reading communication module running information recorded in a preset flow of the communication module from the communication module monitoring log, namely communication module running information recorded in an initialization flow, a card matching flow and a communication flow of the communication module, then judging whether a running state value in the communication module running information is a preset state value, if the running state value in the communication module running information is the preset state value, judging that the communication module is abnormal, and if the running state value in the communication module running information is not the preset state value, judging that the communication module is not abnormal.
The operation state value includes 1 and 0, and the preset operation state value is 1, which indicates that the communication module is not abnormal, the operation state is 0, which indicates that the communication module is abnormal, and the preset state value is 0, specifically, in the initialization process, when it is detected that the communication module cannot acquire the operator basic information associated with the SIM card or the USM card in the card slot in a matching manner, the operation state value in the operation information of the communication module is set to 0, and when it is detected that the communication module acquires the operator basic information associated with the SIM card or the USM card in the card slot in a matching manner, the operation state value in the operation information of the communication module is set to 1; in the card matching process, when the communication module is detected to be matched with a signal frequency band based on the basic information of the operator, the operation state value in the operation information of the communication module is set to be 1, and when the communication module is detected not to be matched with the signal frequency band based on the basic information of the operator, the operation state value in the operation information of the communication module is set to be 0; in the communication flow, when communication is detected to be normal, the operation state value in the communication module operation information is set to 1, and when communication is detected to be abnormal, the operation state value in the communication module operation information is set to 0.
And step S104, when the communication module is abnormal, extracting black screen fault information from the key process monitoring log and the communication module monitoring log, and outputting the black screen fault information to a characteristic log file.
When the display service is abnormal and the running communication module is abnormal, the mobile terminal extracts black screen fault information from the key process monitoring log and the communication module monitoring log and outputs the black screen fault information to the characteristic log file, specifically, the mobile terminal independently creates a thread to output the black screen fault information to a Debugerd process, and the Debugerd process directionally outputs the black screen fault information to the characteristic log file with Debugerd authority processing. The black screen fault information comprises abnormal display flow and blocked thread information.
In specific implementation, the characteristic log file is stored in a preset storage area, the mobile terminal reads the characteristic log file from the preset storage area at regular time, whether the bit number of the characteristic log file is larger than or equal to a preset bit number is judged, then when the bit number of the characteristic log file is larger than or equal to the preset bit number, the characteristic log file in the preset storage area is uploaded to a preset cloud end to be stored, the characteristic log file which is uploaded successfully is deleted from the preset storage area, the characteristic log file can be uploaded to the cloud end to be stored when the characteristic log file exceeds a certain bit number, and the utilization rate of a disk is improved.
In this embodiment, the present invention obtains a key process monitoring log outputted when monitoring a preset key process in a display service of the mobile terminal, and determines whether the preset key process in the display service of the mobile terminal is abnormal according to the key process monitoring log, then obtains a communication module monitoring log outputted when monitoring the preset process of a communication module of the mobile terminal when the preset key process is abnormal, and determines whether the communication module is abnormal according to the communication module monitoring log, and finally extracts black screen failure information from the key process monitoring log and the communication module monitoring log when the communication module is abnormal, and outputs the black screen failure information to a feature log file, wherein the scheme monitors the key process in the display service of the mobile terminal, and when the key process is monitored to be abnormal, the method comprises the steps of obtaining a communication module monitoring log, judging that a black screen fault occurs in the mobile terminal when the communication module of the mobile terminal is determined to be abnormal based on the communication module monitoring log, outputting black screen fault information to a characteristic log file, and facilitating a developer to query the characteristic log file when detecting and positioning the black screen reason of the mobile terminal, so that the black screen reason can be quickly and accurately positioned, and the labor cost and the time cost are greatly reduced.
Further, referring to fig. 4, a second embodiment of the black screen detection method of the present invention is proposed based on the above first embodiment, and the difference from the foregoing embodiments is that after step S102, the black screen detection method further includes:
step S105, when the preset key flow in the display service of the mobile terminal is not abnormal, detecting whether the mobile terminal is in a black screen state;
step S106, when the mobile terminal is detected to be in a black screen state, acquiring current black screen time, and calculating a time difference between the current black screen time and historical call time;
step S107, when the time difference is lower than a preset threshold value, acquiring a communication module monitoring log output when monitoring a preset process of a communication module of the mobile terminal, and judging whether the communication module is abnormal or not according to the communication module monitoring log;
and S108, when the communication module is abnormal, extracting black screen fault information from the communication module monitoring log, and outputting the black screen fault information to a characteristic log file.
It should be noted that, based on the foregoing embodiments, the present invention proposes a black screen detection method when no abnormality occurs in the display service, and only this will be described below, and other embodiments can be referred to.
When the preset key flow of the mobile terminal in the display service is not abnormal, detecting whether the mobile terminal is in a black screen state, when the mobile terminal is detected to be in the black screen state, acquiring current black screen time, calculating a time difference between the current black screen time and historical call time, wherein the historical call time is the latest call time, when the time difference is lower than a preset threshold value, acquiring a communication module monitoring log output when the preset flow of a communication module of the mobile terminal is monitored, judging whether the communication module is abnormal according to the communication module monitoring log, and when the communication module is abnormal, extracting black screen fault information from the communication module monitoring log and outputting the black screen fault information to a feature log file.
In this embodiment, the method and the device can further perform abnormality judgment on the operating communication module when the display service of the mobile terminal is normal and the mobile terminal is in a black screen state, and judge that the black screen of the mobile terminal is caused by the abnormality of the communication module when the operating communication module is abnormal, thereby accurately determining the reason for the black screen.
Further, referring to fig. 5, a third embodiment of the black screen detection method of the present invention is proposed based on the first or second embodiment, and is different from the previous embodiment in that after step S102, the black screen detection method further includes:
step S109, when a preset key process in the display service of the mobile terminal is abnormal, storing the key process monitoring log into a preset storage partition;
and step S110, when the mobile terminal is detected to be in the screen-off standby state, performing redundancy removal processing on the key process monitoring logs in the preset storage partition.
It should be noted that the present invention provides a specific way of data redundancy elimination based on the foregoing embodiments, and only this is described below, and other embodiments can be referred to.
When a preset key process in the display service of the mobile terminal is abnormal, storing the key process monitoring log into a preset storage partition, and then when detecting that the mobile terminal is in a screen-off standby state, performing redundancy removal processing on the key process monitoring log in the preset storage partition and storing the key process monitoring log after redundancy removal. For example, the generation time of the key process monitoring logs is 10 to 11 points, 1000 pieces of data are stored in total, and if a preset key process in the display service of the mobile terminal is abnormal in the period from 10 to 11 points, the 1000 pieces of stored data are subjected to redundancy removal, that is, the 1000 pieces of data are integrated into one log output storage including the number of recorded data and the time point, so that the types and the time points of the 1000 logs are prevented from being output and stored respectively, and the storage space is saved.
In specific implementation, the mobile terminal may further perform redundancy elimination processing on the key process monitoring log in the preset storage partition within a preset time, where the preset time is a reasonable redundancy elimination interval time determined through an experiment, and in the interval time, data needing redundancy elimination may not be too much or too little, resulting in too long time spent or too frequent redundancy elimination. The redundancy removing process is to integrate the key process monitoring logs in the preset storage partition into one log for storage within a preset time.
In this embodiment, when the mobile terminal is in the screen-off standby state, the redundancy of the key process monitoring logs is removed, so that the data recorded in the storage can be effectively reduced, the occupation of the disk space is reduced, and the utilization rate of the disk is improved.
Further, based on the third embodiment, a fourth embodiment of the black screen detection method of the present invention is proposed, which is different from the previous embodiments in that after the step S110, the black screen detection method further includes:
judging whether the storage data volume of the key process monitoring log in the preset storage partition exceeds a preset threshold value or not;
and when the storage data amount of the key process monitoring log exceeds a preset threshold value, selecting data to be deleted from the preset storage partition, and deleting the data to be deleted.
It should be noted that the present invention proposes a data storage method based on the foregoing embodiments, and only this will be described below, and other embodiments can be referred to.
Specifically, a storage unit in the mobile terminal is divided into a plurality of storage partitions, each storage partition is used for storing different data, and the capacity of each storage interval is constant, that is, the amount of data that can be stored is constant. Correspondingly, the capacity of the storage partition for storing the key process monitoring log is also fixed, and when the key process monitoring log is stored in the storage interval within the preset time, the amount of data stored in the key process monitoring log is continuously increased and may exceed the capacity of the key process monitoring log. After the key process monitoring logs are subjected to redundancy removal processing and stored, whether the stored data volume of the stored key process monitoring logs exceeds a preset threshold value is judged, and the preset threshold value is the capacity of a storage area for storing the key process monitoring logs. When the storage data amount of the key process monitoring log exceeds a preset threshold, it indicates that the capacity of the storage partition is used up, data storage cannot be performed any more, and the stored key process monitoring log needs to be deleted. And selecting information to be deleted from the stored key process monitoring logs, and deleting the information to be deleted. The selection principle can be based on the time sequence, and the earlier the time sequence is, the longer the current time of the key process monitoring log is, the less the referential significance is, so that the key process monitoring log is selected as the information to be deleted for deletion.
In this embodiment, the method and the device can selectively delete the key process monitoring logs when the storage data volume of the key process monitoring logs exceeds a preset threshold value, so as to improve the utilization rate of the storage space.
In addition, an embodiment of the present invention further provides a computer-readable storage medium, where a black screen detection program is stored on the computer-readable storage medium, and when executed by a processor, the black screen detection program implements the following steps:
acquiring a key process monitoring log output when monitoring a preset key process in the display service of the mobile terminal;
judging whether a preset key process in the display service of the mobile terminal is abnormal or not according to the key process monitoring log;
when the preset key flow is abnormal, acquiring a communication module monitoring log output when the preset flow of a communication module of the mobile terminal is monitored, and judging whether the communication module is abnormal or not according to the communication module monitoring log;
and when the communication module is abnormal, extracting black screen fault information from the key process monitoring log and the communication module monitoring log, and outputting the black screen fault information to a characteristic log file.
Further, the black screen detection program when executed by the processor further implements the steps of:
the step of judging whether a preset key process in the display service of the mobile terminal is abnormal or not according to the key process monitoring log comprises the following steps:
extracting key process monitoring data of a preset key process from the key process monitoring log;
judging whether the key process monitoring data contains preset information or not;
if the key process monitoring data contains preset information, judging that a preset key process in the display service of the mobile terminal is abnormal;
and if the key process monitoring data does not contain preset information, judging that the preset key process in the display service of the mobile terminal is not abnormal.
Further, the black screen detection program when executed by the processor further implements the steps of:
reading communication module operation information recorded in a preset flow of the communication module from the communication module monitoring log, and judging whether an operation state value in the communication module operation information is a preset state value or not;
and when the running state value in the running information of the communication module is not the preset state value, judging that the communication module is abnormal.
Further, the black screen detection program when executed by the processor further implements the steps of:
when a preset key flow in the display service of the mobile terminal is not abnormal, detecting whether the mobile terminal is in a black screen state;
when the mobile terminal is detected to be in a black screen state, acquiring current black screen time, and calculating a time difference between the current black screen time and historical call time;
when the time difference is lower than a preset threshold value, acquiring a communication module monitoring log output when monitoring a preset flow of a communication module of the mobile terminal, and judging whether the communication module is abnormal or not according to the communication module monitoring log;
and when the communication module is abnormal, extracting black screen fault information from the communication module monitoring log, and outputting the black screen fault information to a characteristic log file.
Further, the black screen detection program when executed by the processor further implements the steps of:
when a preset key process in the display service of the mobile terminal is abnormal, storing the key process monitoring log into a preset storage partition;
and when the mobile terminal is detected to be in a screen-off standby state, performing redundancy removal processing on the key process monitoring logs in the preset storage partition.
Further, the black screen detection program when executed by the processor further implements the steps of:
judging whether the storage data volume of the key process monitoring log in the preset storage partition exceeds a preset threshold value or not;
and when the storage data amount of the key process monitoring log exceeds a preset threshold value, selecting data to be deleted from the preset storage partition, and deleting the data to be deleted.
The specific embodiment of the computer-readable storage medium of the present invention is substantially the same as the specific embodiments of the black screen detection method described above, and will not be described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. 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 computer storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A black screen detection method is applied to a mobile terminal, and is characterized by comprising the following steps:
acquiring a key flow monitoring log output when monitoring a preset key flow in the display service of the mobile terminal, wherein the preset key flow comprises a screen on/off broadcast receiving flow, a screen on/off event reporting flow, a display cache area reading flow and a system UI display preparation flow;
judging whether a preset key process in the display service of the mobile terminal is abnormal or not according to the key process monitoring log;
when the preset key flow is abnormal, acquiring a communication module monitoring log output when the preset flow of a communication module of the mobile terminal is monitored, and judging whether the communication module is abnormal or not according to the communication module monitoring log;
and when the communication module is abnormal, extracting black screen fault information from the key process monitoring log and the communication module monitoring log, and outputting the black screen fault information to a characteristic log file.
2. The black screen detection method of claim 1, wherein the step of determining whether a preset key process in the display service of the mobile terminal is abnormal according to the key process monitoring log comprises:
extracting key process monitoring data of a preset key process from the key process monitoring log;
judging whether the key process monitoring data contains preset information or not;
if the key process monitoring data contains preset information, judging that a preset key process in the display service of the mobile terminal is abnormal;
and if the key process monitoring data does not contain preset information, judging that the preset key process in the display service of the mobile terminal is not abnormal.
3. The method according to claim 1, wherein the step of determining whether the communication module is abnormal according to the communication module monitoring log comprises:
reading communication module operation information recorded in a preset flow of the communication module from the communication module monitoring log, and judging whether an operation state value in the communication module operation information is a preset state value or not;
and when the running state value in the running information of the communication module is not the preset state value, judging that the communication module is abnormal.
4. The method according to any one of claims 1 to 3, wherein after the step of determining whether the preset key process in the display service of the mobile terminal is abnormal according to the key process monitoring log, the method further comprises:
when a preset key flow in the display service of the mobile terminal is not abnormal, detecting whether the mobile terminal is in a black screen state;
when the mobile terminal is detected to be in a black screen state, acquiring current black screen time, and calculating a time difference between the current black screen time and historical call time;
when the time difference is lower than a preset threshold value, acquiring a communication module monitoring log output when monitoring a preset flow of a communication module of the mobile terminal, and judging whether the communication module is abnormal or not according to the communication module monitoring log;
and when the communication module is abnormal, extracting black screen fault information from the communication module monitoring log, and outputting the black screen fault information to a characteristic log file.
5. The method according to any one of claims 1 to 3, wherein after the step of determining whether the preset key process in the display service of the mobile terminal is abnormal according to the key process monitoring log, the method further comprises:
when a preset key process in the display service of the mobile terminal is abnormal, storing the key process monitoring log into a preset storage partition;
and when the mobile terminal is detected to be in a screen-off standby state, performing redundancy removal processing on the key process monitoring logs in the preset storage partition.
6. The blank-screen detection method of claim 5, wherein after the step of performing redundancy removal on the key process monitoring logs in the preset storage partition, the blank-screen detection method further comprises:
judging whether the storage data volume of the key process monitoring log in the preset storage partition exceeds a preset threshold value or not;
and when the storage data amount of the key process monitoring log exceeds a preset threshold value, selecting data to be deleted from the preset storage partition, and deleting the data to be deleted.
7. A mobile terminal, characterized in that the mobile terminal comprises: a memory, a processor, and a black screen detection program stored on the memory and executable on the processor, the black screen detection program when executed by the processor implementing the steps of:
acquiring a key flow monitoring log output when monitoring a preset key flow in the display service of the mobile terminal, wherein the preset key flow comprises a screen on/off broadcast receiving flow, a screen on/off event reporting flow, a display cache area reading flow and a system UI display preparation flow;
judging whether a preset key process in the display service of the mobile terminal is abnormal or not according to the key process monitoring log;
when the preset key flow is abnormal, acquiring a communication module monitoring log output when the preset flow of a communication module of the mobile terminal is monitored, and judging whether the communication module is abnormal or not according to the communication module monitoring log;
and when the communication module is abnormal, extracting black screen fault information from the key process monitoring log and the communication module monitoring log, and outputting the black screen fault information to a characteristic log file.
8. The mobile terminal of claim 7, wherein the blank screen detection program, when executed by the processor, further performs the steps of:
extracting key process monitoring data of a preset key process from the key process monitoring log;
judging whether the key process monitoring data contains preset information or not;
if the key process monitoring data contains preset information, judging that a preset key process in the display service of the mobile terminal is abnormal;
and if the key process monitoring data does not contain preset information, judging that the preset key process in the display service of the mobile terminal is not abnormal.
9. The mobile terminal according to claim 7, wherein the blank screen detection program, when executed by the processor, further implements the steps of the blank screen detection method according to any one of claims 3 to 6.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a black screen detection program, which when executed by a processor implements the steps of the black screen detection method according to any one of claims 1 to 6.
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| CN110413497B (en) * | 2019-07-30 | 2024-02-13 | Oppo广东移动通信有限公司 | Abnormality monitoring method, abnormality monitoring device, terminal device and computer-readable storage medium |
| CN115016665B (en) * | 2021-09-14 | 2023-04-21 | 北京荣耀终端有限公司 | Frozen screen fault detection method, electronic equipment and computer readable storage medium |
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