CN110543358A - Picture restoration method and device - Google Patents
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- CN110543358A CN110543358A CN201810529507.4A CN201810529507A CN110543358A CN 110543358 A CN110543358 A CN 110543358A CN 201810529507 A CN201810529507 A CN 201810529507A CN 110543358 A CN110543358 A CN 110543358A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3037—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a memory, e.g. virtual memory, cache
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5011—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals
- G06F9/5016—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals the resource being the memory
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Abstract
The disclosure provides a picture restoration method and device. The image restoration device monitors the life cycle of the monitored object, corresponding memory recovery processing is carried out after the life cycle of the monitored object is finished, a memory mirror image file is generated according to the heap memory under the condition that corresponding memory references are not recovered, the memory mirror image file is analyzed to obtain corresponding memory structure objects, corresponding data information is determined through reference relations among the memory structure objects, and the data information is converted into an image and displayed under the condition that the data information is the image information. According to the method and the device, all picture information causing memory leakage can be located and visually presented without other existing tools.
Description
Technical Field
The present disclosure relates to the field of computer technologies, and in particular, to a method and an apparatus for restoring an image.
Background
memory leaks are one of the main causes affecting the performance of devices and applications APP. To avoid memory leaks to improve code performance, technicians may utilize the Windows MAT tool and the Square open source detection tool, LeakCanary.
For example, the MAT tool generates a related file through an Android development tool and imports the file into Windows, analyzes and checks the file and locates the byte array with the memory leak, and exports the picture causing the memory leak to a disk through a picture export tool. The LeakCanary tool can display the file code class of the memory leakage in the notification bar in time when the memory leaks by a code embedding mode.
Disclosure of Invention
The inventor finds that the existing memory leak detection tool needs to export relevant documents through an Android development tool, then imports an analysis file through a Windows tool, and further exports problem pictures through a picture conversion tool according to found problem data. In the process, a great deal of work and time are needed, and the efficiency is low. In addition, some Android embedded plug-ins can only indicate the problem of a code level, cannot point to specific pictures which definitely cause memory leakage, and cannot view corresponding picture information.
Therefore, the scheme is provided for positioning and visually presenting all the picture information causing memory leakage without the help of the existing tools.
according to an aspect of one or more embodiments of the present disclosure, there is provided a picture restoration method including: monitoring the life cycle of the monitored object; after the life cycle of the monitored object is finished, performing corresponding memory recovery processing; under the condition that the corresponding memory reference is not recycled, generating a memory mirror image file according to the heap memory; analyzing the memory mirror image file to obtain a corresponding memory structure object; determining corresponding data information through the reference relationship between the memory structure objects; judging whether the data information is picture information or not; and under the condition that the data information is the picture information, converting the data information into a picture and presenting the picture.
optionally, under the condition that the corresponding memory reference is not recycled, generating the memory image file according to the heap memory includes: under the condition that the corresponding memory reference is not recycled, the memory reference is put into a reference queue; performing corresponding memory recovery processing again; judging whether the memory reference which is not recycled exists in the reference queue; and under the condition that the memory reference which is not recycled still exists in the reference queue, generating a memory image file according to the heap memory.
Optionally, the method further includes: and under the condition that all the memory references in the reference queue are recycled, repeatedly executing the step of monitoring the life cycle of the monitored object.
optionally, the determining whether the data information is picture information includes: and judging whether the data information is picture information or not according to the class name information of the data information.
Optionally, converting the data information into a picture comprises: and converting the data information into pictures with corresponding sizes according to the width information and the height information provided by the memory structure.
according to another aspect of one or more embodiments of the present disclosure, there is provided a picture restoring apparatus including: a monitoring module configured to monitor a life cycle of a monitored object; the recovery processing module is configured to perform corresponding memory recovery processing after the life cycle of the monitoring object is finished; the file generation module is configured to generate a memory mirror image file according to the heap memory under the condition that the corresponding memory reference is not recycled; the analysis module is configured to analyze the memory mirror image file to obtain a corresponding memory structure object; the data determining module is configured to determine corresponding data information through a reference relation between the memory structure objects; the first identification module is configured to judge whether the data information is picture information; and the picture restoration module is configured to convert the data information into a picture and present the picture under the condition that the data information is the picture information.
Optionally, the apparatus further comprises: a queue management module configured to place the memory reference in a reference queue if the corresponding memory reference is not recycled; the recovery processing module is configured to perform corresponding memory recovery processing again; the second identification module is configured to judge whether the memory reference which is not recycled exists in the reference queue; the file generation module is further configured to generate a memory image file according to the heap memory under the condition that the unrecycled memory references still exist in the reference queue.
Optionally, the apparatus further comprises: the monitoring module is further configured to repeatedly perform an operation of monitoring a lifecycle of the monitored object in a case where all memory references in the reference queue are reclaimed.
Optionally, the first identification module is further configured to determine whether the data information is picture information according to class name information of the data information.
Optionally, the image restoration module is further configured to convert the data information into an image with a corresponding size according to the width information and the height information provided by the memory structure.
According to another aspect of one or more embodiments of the present disclosure, there is provided a picture restoring apparatus including: a memory configured to store instructions; a processor coupled to the memory, the processor configured to perform a method according to any of the embodiments described above based on instructions stored in the memory.
according to another aspect of one or more embodiments of the present disclosure, there is provided a computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions, which when executed by a processor, implement a method as described above in relation to any one of the embodiments.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
fig. 1 is an exemplary flowchart of a picture restoration method according to an embodiment of the present disclosure.
Fig. 2 is an exemplary flowchart of a picture restoration method according to another embodiment of the present disclosure.
fig. 3 is an exemplary block diagram of a picture restoration apparatus according to an embodiment of the present disclosure.
Fig. 4 is an exemplary block diagram of a picture restoration apparatus according to another embodiment of the present disclosure.
Fig. 5 is an exemplary block diagram of a picture restoration apparatus according to still another embodiment of the present disclosure.
Detailed Description
the technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
in all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 is an exemplary flowchart of a picture restoration method according to an embodiment of the present disclosure. In some embodiments, the method steps of the present embodiment may be performed by a picture restoration device.
Step 101, monitoring the life cycle of the monitored object.
and 102, after the life cycle of the monitoring object is finished, performing corresponding memory recovery processing.
For example, the corresponding memory recovery processing is performed by a GC (Garbage Collection) operation.
In step 103, a memory image file is generated according to the heap memory under the condition that the corresponding memory reference is not recycled.
It should be noted that the heap is a container storing all reference objects in the entire virtual machine, and also includes objects to be monitored, and the monitored objects exist in a manner of being attached to the heap. For example, the corresponding hprof file may be generated from heap memory.
in step 104, the memory image file is parsed to obtain a corresponding memory structure object.
In step 105, the corresponding data information is determined through the reference relationship between the memory structure objects.
In step 106, it is determined whether the data information is picture information.
In some embodiments, whether the data information is the picture information is judged according to the class name information of the data information.
For example, if the class name information "class name" of the data information is a Bitmap type, it is determined that the data information is picture information.
In step 107, in the case that the data information is picture information, the data information is converted into a picture, and the picture is presented.
In some embodiments, the data information is converted into a picture having a corresponding size according to the width information and the height information provided by the memory structure.
For example, if a piece of data information is determined to be picture information, and the height provided by the memory structure is 2160 pixels and the width provided by the memory structure is 1080 pixels, the restored picture size is 2160 × 1080. If the picture is displayed by applying the APP, the picture is substantially restored in equal proportion.
In other embodiments, if the data information is not picture information, it indicates that the memory leak is not a picture. In this case, the user may be prompted that no pictures are present to cause memory leaks, or that no other processing is performed.
in the image restoration method provided by the above embodiment of the present disclosure, when the memory reference is not recovered, the corresponding data information is determined by using the reference relationship between the memory structure objects, and when the data information is the image information, the data information is converted into an image and is visually presented. Therefore, all picture information causing memory leakage can be positioned and visually presented without the help of the existing tools.
fig. 2 is an exemplary flowchart of a picture restoration method according to another embodiment of the present disclosure. In some embodiments, the method steps of the present embodiment may be performed by a picture restoration device.
Step 201, monitoring the life cycle of the monitored object.
Step 202, after the life cycle of the monitoring object is finished, corresponding memory recovery processing is performed.
For example, the corresponding memory recovery processing is performed through GC operation.
In step 203, it is determined whether the corresponding memory references are all recycled.
if the corresponding memory reference is not recycled, go to step 204; in case the corresponding memory reference is not recycled, step 201 is repeatedly performed.
At step 204, the memory reference is placed in the reference queue.
in step 205, the corresponding memory recovery process is performed again.
considering that a single GC process does not necessarily ensure that all unused memory references are recycled, a second GC is used to recycle as much unused memory references as possible.
At step 206, it is determined whether there are any memory references in the reference queue that have not been recycled.
if there is a memory reference in the reference queue that is not recycled, execute step 207; in the case where all memory references in the reference queue are recycled, step 201 is repeatedly performed.
Through the loop operation, the end of the next life cycle of the related object can be continuously monitored. Thereby ensuring continuous monitoring of memory leaks.
In step 207, a memory image file is generated according to the heap memory.
For example, the corresponding hprof file may be generated from heap memory.
in step 208, the memory image file is parsed to obtain the corresponding memory structure object.
In step 209, the corresponding data information is determined by the reference relationship between the memory structure objects.
In step 210, in the case that the data information is picture information, the data information is converted into a picture, and the picture is presented.
In some embodiments, whether the data information is the picture information is judged according to the class name information of the data information.
Fig. 3 is an exemplary block diagram of a picture restoration apparatus according to an embodiment of the present disclosure. As shown in fig. 3, the image restoration apparatus includes a monitoring module 31, a recycling processing module 32, a file generating module 33, a parsing module 34, a data determining module 35, a first identifying module 36, and an image restoration module 37.
The monitoring module 31 is configured to monitor a life cycle of a monitored object;
the recovery processing module 32 is configured to perform corresponding memory recovery processing after the life cycle of the monitoring object is ended;
For example, the corresponding memory recovery processing is performed through GC operation.
The file generation module 33 is configured to generate a memory image file from the heap memory if the corresponding memory reference is not recycled;
For example, the corresponding hprof file may be generated from heap memory.
The parsing module 34 is configured to parse the memory image file to obtain a corresponding memory structure object.
The data determination module 35 is configured to determine corresponding data information through reference relationships between the memory structure objects.
The first identification module 36 is configured to determine whether the data information is picture information;
In some embodiments, the first identification module 36 is further configured to determine whether the data information is picture information according to the class name information of the data information.
For example, if the class name information "class name" of the data information is a Bitmap type, it is determined that the data information is picture information.
the picture restoration module 37 is configured to convert the data information into a picture and present the picture, in a case where the data information is picture information.
optionally, the picture restoration module 37 is configured to convert the data information into a picture with a corresponding size according to the width information and the height information provided by the memory structure.
In other embodiments, if the data information is not picture information, it indicates that the memory leak is not a picture. In this case, the user may be prompted that no pictures are present to cause memory leaks, or that no other processing is performed.
In the image restoration device provided by the above embodiment of the present disclosure, when the memory reference is not recovered, the corresponding data information is determined by using the reference relationship between the memory structure objects, and when the data information is the image information, the data information is converted into an image and is visually presented. Therefore, all picture information causing memory leakage can be positioned and visually presented without the help of the existing tools.
Fig. 4 is an exemplary block diagram of a picture restoration apparatus according to an embodiment of the present disclosure. Fig. 4 is different from fig. 3 in that, in the embodiment shown in fig. 4, the picture restoration apparatus further includes a queue management module 38 and a second identification module 39.
Queue management module 38 is configured to place the memory references into the reference queue if the corresponding memory references are not evicted.
the recycling processing module 32 is configured to perform corresponding memory recycling processing again.
Considering that a single GC process does not necessarily ensure that all unused memory references are recycled, a second GC is used to recycle as much unused memory references as possible.
The second identification module 39 is configured to determine whether there are more memory references in the reference queue that have not been recycled.
The file generating module 33 is further configured to generate a memory image file from the heap memory if there are memory references in the reference queue that are not recycled.
Optionally, the monitoring module 31 is further configured to repeatedly perform the operation of monitoring the lifecycle of the monitoring object in the case that all the memory references in the reference queue are recycled.
Through the loop operation, the end of the next life cycle of the related object can be continuously monitored. Thereby ensuring continuous monitoring of memory leaks.
Fig. 5 is an exemplary block diagram of a picture restoration apparatus according to an embodiment of the present disclosure. As shown in fig. 5, the picture restoration apparatus includes a memory 51 and a processor 52.
The memory 51 is used for storing instructions, the processor 52 is coupled to the memory 51, and the processor 52 is configured to execute the method according to any one of the embodiments in fig. 1 to fig. 2 based on the instructions stored in the memory.
As shown in fig. 5, the image restoring apparatus further includes a communication interface 53 for performing information interaction with other devices. Meanwhile, the device also comprises a bus 54, and the processor 52, the communication interface 53 and the memory 51 are communicated with each other through the bus 54.
The memory 51 may comprise a high-speed RAM memory, and may also include a non-volatile memory (non-volatile memory), such as at least one disk memory. The memory 51 may also be a memory array. The storage 51 may also be partitioned and the blocks may be combined into virtual volumes according to certain rules.
Further, the processor 52 may be a central processing unit CPU, or may be an application specific integrated circuit ASIC, or one or more integrated circuits configured to implement embodiments of the present disclosure.
The present disclosure also relates to a computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions, and the instructions, when executed by a processor, implement a method according to any one of fig. 1 to 2.
In some embodiments, the functional unit modules described above can be implemented as a general purpose Processor, a Programmable Logic Controller (PLC), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable Logic device, discrete Gate or transistor Logic, discrete hardware components, or any suitable combination thereof for performing the functions described in this disclosure.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The description of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the disclosure in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the disclosure and the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (12)
1. A picture restoration method comprises the following steps:
Monitoring the life cycle of the monitored object;
after the life cycle of the monitoring object is finished, performing corresponding memory recovery processing;
Under the condition that the corresponding memory reference is not recycled, generating a memory mirror image file according to the heap memory;
Analyzing the memory mirror image file to obtain a corresponding memory structure object;
Determining corresponding data information through the reference relationship between the memory structure objects;
Judging whether the data information is picture information or not;
And converting the data information into a picture and presenting the picture under the condition that the data information is the picture information.
2. The method of claim 1, wherein generating the memory image file from the heap memory if the corresponding memory reference is not reclaimed comprises:
Placing the memory references into a reference queue under the condition that the corresponding memory references are not recycled;
Performing corresponding memory recovery processing again;
Judging whether the memory reference which is not recycled exists in the reference queue;
And under the condition that the memory reference which is not recycled still exists in the reference queue, generating a memory image file according to the heap memory.
3. The method of claim 2, further comprising:
And under the condition that all the memory references in the reference queue are recycled, repeatedly executing the step of monitoring the life cycle of the monitored object.
4. the method of claim 1, wherein determining whether the data information is picture information comprises:
And judging whether the data information is picture information or not according to the class name information of the data information.
5. The method of claim 1, converting the data information into a picture comprising:
and converting the data information into pictures with corresponding sizes according to the width information and the height information provided by the memory structure.
6. a picture restoration device, comprising:
A monitoring module configured to monitor a life cycle of a monitored object;
The recovery processing module is configured to perform corresponding memory recovery processing after the life cycle of the monitoring object is finished;
The file generation module is configured to generate a memory mirror image file according to the heap memory under the condition that the corresponding memory reference is not recycled;
the analysis module is configured to analyze the memory mirror image file to obtain a corresponding memory structure object;
The data determining module is configured to determine corresponding data information through the reference relation between the memory structure objects;
The first identification module is configured to judge whether the data information is picture information;
And the picture restoration module is configured to convert the data information into a picture and present the picture under the condition that the data information is the picture information.
7. the apparatus of claim 6, further comprising:
A queue management module configured to place a memory reference in a reference queue if the corresponding memory reference is not recycled;
The recovery processing module is configured to perform corresponding memory recovery processing again;
The second identification module is configured to judge whether the memory reference which is not recycled exists in the reference queue;
The file generation module is further configured to generate a memory image file according to the heap memory under the condition that the unreported memory references still exist in the reference queue.
8. The apparatus of claim 7, further comprising:
The monitoring module is further configured to repeatedly perform an operation of monitoring a lifecycle of a monitored object in a case where all memory references in the reference queue are recycled.
9. The apparatus of claim 6, wherein,
the first identification module is also configured to judge whether the data information is picture information according to the class name information of the data information.
10. The apparatus of claim 6, wherein,
The picture restoration module is further configured to convert the data information into a picture with a corresponding size according to the width information and the height information provided by the memory structure.
11. a picture restoration device, comprising:
A memory configured to store instructions;
A processor coupled to the memory, the processor configured to perform implementing the method of any of claims 1-5 based on instructions stored by the memory.
12. A computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions which, when executed by a processor, implement the method of any one of claims 1-5.
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| CN201810529507.4A CN110543358A (en) | 2018-05-29 | 2018-05-29 | Picture restoration method and device |
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