CN111858258A - A memory monitoring method, device, electronic device and storage medium - Google Patents

Abstract

The present application discloses a memory monitoring method, device, electronic device and computer-readable storage medium, the method comprising: when receiving a memory application for target data, identifying the data type of the target data; calling a memory application interface to allocate memory for the target data, and returning a memory allocation result to respond to the memory application; updating the requested memory size corresponding to the data type according to the requested memory amount corresponding to the memory application, and updating the total amount of all allocated memory. The memory monitoring method provided in the present application intercepts memory allocation, and counts the requested memory size and the total amount of all allocated memory by data type, so as to achieve dynamic tracking of process memory occupancy, provide a reference for memory optimization, and improve memory robustness and stability. It can be seen that the memory monitoring method provided in the present application performs memory occupancy statistics by data type, so as to achieve dynamic tracking of process memory occupancy.

Description

A memory monitoring method, device, electronic device and storage medium

technical field

The present application relates to the field of computer technology, and more particularly, to a memory monitoring method and apparatus, an electronic device, and a computer-readable storage medium.

Background technique

In the era of big data, in order to realize the memory monitoring function, the source code is modified in the related technology, the interface provided by the memory monitoring tool is called to realize the memory monitoring, and the memory occupancy display is performed through a specific tool. However, the above solutions intelligently provide the total memory usage, which cannot be refined to the memory usage of each data type, and cannot be precisely optimized for memory. Excessive memory usage will seriously affect the stability and robustness of the process.

Therefore, how to perform memory occupancy statistics by data type and realize dynamic tracking of process memory occupancy is a technical problem to be solved by those skilled in the art.

SUMMARY OF THE INVENTION

The purpose of the present application is to provide a memory monitoring method and device, an electronic device and a computer-readable storage medium, which can perform memory occupancy statistics by data type, and realize dynamic tracking of process memory occupancy.

To achieve the above purpose, the present application provides a memory monitoring method, including:

When receiving a memory application for target data, identifying the data type of the target data;

Call the memory application interface to allocate memory for the target data, and return the memory allocation result, so as to respond to the memory application;

The requested memory size corresponding to the data type is updated according to the requested memory amount corresponding to the memory request, and the total amount of all allocated memory is updated.

Wherein, the updating of the application memory size corresponding to the data type according to the application memory amount corresponding to the memory application includes:

Determine whether the data type exists in the target storage structure;

If so, update the requested memory size corresponding to the data type according to the requested memory amount corresponding to the memory request;

If not, the data type is stored in the target storage structure, and the application memory size corresponding to the data type is counted according to the application memory amount corresponding to the memory application.

Wherein, the target storage structure is a Map structure.

Wherein, the returned memory allocation result includes:

If the application is successful, the memory corresponding to the target data is returned.

Wherein, the returned memory allocation result includes:

If the application fails, the error code corresponding to the error type is returned.

Among them, it also includes:

When receiving the print command of the memory statistics, output the size of the requested memory and the total amount of all allocated memory corresponding to each of the data types.

Among them, it also includes:

After detecting the release action of the target memory, determine the target data type of the data stored in the target memory;

The size of the requested memory corresponding to the target data type and the total amount of all allocated memory are updated according to the size of the target memory.

To achieve the above purpose, the present application provides a memory monitoring device, including:

an identification module, configured to identify the data type of the target data when receiving the memory application of the target data;

an allocation module, configured to call a memory application interface to allocate memory for the target data, and return a memory allocation result so as to respond to the memory application;

The first update module is configured to update the requested memory size corresponding to the data type according to the requested memory amount corresponding to the memory application, and update the total amount of all allocated memory.

To achieve the above purpose, the present application provides an electronic device, including:

memory for storing computer programs;

The processor is configured to implement the steps of the above-mentioned memory monitoring method when executing the computer program.

To achieve the above object, the present application provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the above-mentioned memory monitoring method are implemented.

It can be seen from the above solutions that a memory monitoring method provided by the present application includes: when a memory application for target data is received, identifying the data type of the target data; calling a memory application interface to allocate memory for the target data, and returning memory allocation result in order to respond to the memory application; update the application memory size corresponding to the data type according to the application memory amount corresponding to the memory application, and update the total amount of all allocated memory.

The memory monitoring method provided by this application, by intercepting memory allocation, and classifying the application memory size and the total amount of all allocated memory by data type, realizes dynamic tracking of process memory usage, provides a reference for memory optimization, and improves memory robustness and stability. . It can be seen that, the memory monitoring method provided by the present application performs memory occupancy statistics according to data types, and realizes dynamic tracking of process memory occupancy. The present application also discloses a memory monitoring device, an electronic device, and a computer-readable storage medium, which can also achieve the above technical effects.

It is to be understood that the foregoing general description and the following detailed description are exemplary only and do not limit the application.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort. The accompanying drawings are used to provide a further understanding of the present disclosure, and constitute a part of the specification, and together with the following detailed description, are used to explain the present disclosure, but not to limit the present disclosure. In the attached image:

1 is a flowchart of a memory monitoring method according to an exemplary embodiment;

FIG. 2 is a structural diagram of a memory monitoring device according to an exemplary embodiment;

FIG. 3 is a structural diagram of an electronic device according to an exemplary embodiment.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

The embodiment of the present application discloses a memory monitoring method, which performs memory occupancy statistics according to data types, and realizes dynamic tracking of process memory occupancy.

Referring to FIG. 1, a flowchart of a memory monitoring method according to an exemplary embodiment, as shown in FIG. 1, includes:

S101: when a memory application for target data is received, identify the data type of the target data;

In this embodiment, the memory allocation function can be overloaded, and the data type can be renamed. The data type here can include byte, short, int, long, float, double, boolean, char, etc., which is not specifically limited here. In a specific implementation, the overloaded memory allocation function and the renaming of data types can be implemented by using the C++ language. Of course, other languages can also be used, which are not specifically limited in this embodiment.

In this step, when the client program applies for memory, it calls the overloaded memory allocation function, and parses out the data type of the requested memory through the type analysis interface.

S102: Invoke a memory application interface to allocate memory for the target data, and return a memory allocation result, so as to respond to the memory application;

In this step, the memory application interface provided by the system is called to perform memory application and the memory allocation result is returned to the client program. Specifically, if the application is successful, the memory corresponding to the target data is returned, and if the application fails, the error code corresponding to the error type is returned, so that the client program can perform corresponding processing, re-apply or report an error.

S103: Update the requested memory size corresponding to the data type according to the requested memory amount corresponding to the memory request, and update the total amount of all allocated memory.

In this step, the memory application size is counted according to the data type, stored in the target storage structure, and added to the total amount of allocated memory. The target storage structure here may be a Map structure, namely Alloc_Map. When receiving the print command of memory statistics, output the requested memory size corresponding to each data type and the total amount of all allocated memory.

As a feasible implementation manner, the step of updating the application memory size corresponding to the data type according to the application memory amount corresponding to the memory application may include: judging whether the data type exists in the target storage structure; if so, then Update the application memory size corresponding to the data type according to the application memory amount corresponding to the memory application; if not, store the data type in the target storage structure, and store the data type in the target storage structure according to the application memory amount corresponding to the memory application Statistics of the requested memory size corresponding to the data type. In the specific implementation, if memory is applied for data of a certain data type for the first time, the data type is stored in the value target storage structure, and the memory size of this application is counted, and the next time memory is applied for data of this data type, It can be accumulated.

As a preferred implementation manner, this embodiment further includes: after detecting the release action of the target memory, determining the target data type of the data stored in the target memory; updating the corresponding data type of the target memory according to the size of the target memory The requested memory size and the total amount of all allocated memory.

In the specific implementation, when the memory that has been applied for by the program is released after use, the data type is parsed, the size of the application memory corresponding to the data type is searched in the target storage structure, and the release is subtracted from the size of the application memory of the data type. The amount of memory that has been allocated is subtracted from the total amount of allocated memory, and the memory release function is called to release the memory to dynamically monitor the memory occupancy and provide a reference for program optimization.

The memory monitoring method provided by the embodiments of the present application implements dynamic tracking of process memory occupation by intercepting memory allocation, classifying and classifying the size of application memory and the total amount of all allocated memory by data type, providing a reference for memory optimization, and improving memory robustness and performance. stability. It can be seen that, in the memory monitoring method provided by the embodiments of the present application, memory occupancy statistics are performed according to data types, and dynamic tracking of process memory occupancy is realized.

An application embodiment provided by the present application is described below. Specifically, the implementation of the client program mainly includes the following steps:

Step 1: Run the distributed system and client program;

Step 2: When the program applies for memory to store data or initializes the data structure, wait for the C++ memory allocation interface to return the result; if the memory allocation is successful, use the memory to access the data; if the allocation fails, return the returned result to the client and press the return value deal with accordingly;

Step 3: When the data is no longer used or when the memory is to be destructed to release the memory, call the interface to release the memory or call the data structure custom interface to release the memory;

Step 4: After the memory release is completed, the program continues to run;

Step 5: Execute a specific command to view the memory usage of each type.

The memory allocation module handler mainly includes the following steps:

Step 1: Overload the C++ memory allocation function and rename the data type;

Step 2: After receiving the action of the program requesting memory, parse the data type;

Step 3: Store in the structure Alloc_Map by type, record the memory size applied for by this type, and add it to the total memory;

Step 4: Call the system memory application interface to apply for memory;

Step 5: Return the application result or the applied memory to the client program;

Step 6: After receiving the action of the program to release the memory, parse the data type;

Step 7: Find the corresponding total memory statistics by type in the data structure Alloc_Map;

Step 8: Subtract the amount of freed memory from the total amount of memory of the current data type, update it to Alloc_Map, and subtract the amount of freed memory from the total amount of memory;

Step 9: Call the system memory release interface to release memory;

Step 10: When receiving the printing memory statistics information of the client, call the printing interface to format and output the memory statistics value and total memory value corresponding to each type according to the type.

The following describes a memory monitoring apparatus provided by an embodiment of the present application, and a memory monitoring apparatus described below and a memory monitoring method described above can be referred to each other.

Referring to FIG. 2, a structural diagram of a memory monitoring device according to an exemplary embodiment, as shown in FIG. 2, includes:

The identification module 201 is used to identify the data type of the target data when receiving the memory application of the target data;

an allocation module 202, configured to call a memory application interface to allocate memory for the target data, and return a memory allocation result so as to respond to the memory application;

The first update module 203 is configured to update the requested memory size corresponding to the data type according to the requested memory amount corresponding to the memory application, and update the total amount of all allocated memory.

The memory monitoring device provided by the embodiment of the present application, by intercepting memory allocation, and classifying the size of the application memory and the total amount of all allocated memory by data type, realizes dynamic tracking of process memory occupation, provides a reference for memory optimization, and improves memory robustness and performance. stability. It can be seen that, the memory monitoring device provided by the embodiment of the present application performs memory occupancy statistics according to data types, and realizes dynamic tracking of process memory occupancy.

On the basis of the above embodiment, as a preferred implementation manner, the first update module 203 includes:

a judging unit for judging whether the data type exists in the target storage structure; if so, start the work flow of the first update unit; if not, start the work flow of the storage unit;

a first updating unit, configured to update the requested memory size corresponding to the data type according to the requested memory amount corresponding to the memory request;

a storage unit, configured to store the data type in the target storage structure, and count the application memory size corresponding to the data type according to the application memory amount corresponding to the memory application;

The second update unit is used to update the total amount of all allocated memory.

On the basis of the above embodiment, as a preferred implementation manner, the target storage structure is a Map structure.

On the basis of the above embodiment, as a preferred implementation manner, the allocation module 202 includes:

an allocation unit for invoking a memory application interface to allocate memory for the target data;

The first returning unit is used to return the memory corresponding to the target data when the application is successful;

The second return unit is used to return the error code corresponding to the error type when the application fails.

On the basis of the above embodiment, as a preferred implementation, it also includes:

The output module is configured to output the size of the applied memory and the total amount of all allocated memory corresponding to each data type respectively when receiving the print command of the memory statistics information.

On the basis of the above embodiment, as a preferred implementation, it also includes:

a determining module, configured to determine the target data type of the data stored in the target memory after detecting the release action of the target memory;

The second update module is configured to update the size of the applied memory corresponding to the target data type and the total amount of all allocated memory according to the size of the target memory.

Regarding the apparatus in the above-mentioned embodiment, the specific manner in which each module performs operations has been described in detail in the embodiment of the method, and will not be described in detail here.

The present application further provides an electronic device. Referring to FIG. 3 , a structural diagram of an electronic device 300 provided by an embodiment of the present application, as shown in FIG. 3 , may include a processor 11 and a memory 12 . The electronic device 300 may also include one or more of a multimedia component 13 , an input/output (I/O) interface 14 , and a communication component 15 .

Wherein, the processor 11 is used to control the overall operation of the electronic device 300 to complete all or part of the steps in the above-mentioned memory monitoring method. The memory 12 is used to store various types of data to support operation on the electronic device 300 , such data may include, for example, instructions for any application or method operating on the electronic device 300 , and application-related data. The memory 12 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (Static Random Access Memory, SRAM for short), electrically erasable programmable read-only memory ( Electrically Erasable Programmable Read-Only Memory (EEPROM for short), Erasable Programmable Read-Only Memory (EPROM), Programmable Read-Only Memory (PROM), read-only Memory (Read-Only Memory, ROM for short), magnetic memory, flash memory, magnetic disk or optical disk. The multimedia component 13 may comprise a screen, eg a touch screen. The I/O interface 14 provides an interface between the processor 11 and other interface modules, and the above-mentioned other interface modules may be a keyboard, a mouse, a button, and the like. These buttons can be virtual buttons or physical buttons. The communication component 15 is used for wired or wireless communication between the electronic device 300 and other devices. Wireless communication, such as Wi-Fi, Bluetooth, Near Field Communication (NFC for short), 2G, 3G or 4G, or one or a combination of them, so the corresponding communication component 15 may include: Wi-Fi module, Bluetooth module, NFC module.

In an exemplary embodiment, the electronic device 300 may be implemented by one or more application specific integrated circuits (Application Specific Integrated Circuit, ASIC for short), digital signal processors (Digital Signal Processor, DSP for short), digital signal processing devices (Digital Signal Processing) Processing Device (DSPD for short), Programmable Logic Device (PLD for short), Field Programmable Gate Array (FPGA for short), controller, microcontroller, microprocessor or other electronic components , which is used to perform the above memory monitoring method.

In another exemplary embodiment, there is also provided a computer-readable storage medium including program instructions, the program instructions implementing the steps of the above-mentioned memory monitoring method when executed by a processor. For example, the computer-readable storage medium can be the above-mentioned memory 12 including program instructions, and the above-mentioned program instructions can be executed by the processor 11 of the electronic device 300 to implement the above-mentioned memory monitoring method.

The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant part can be referred to the description of the method. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the present application, several improvements and modifications can also be made to the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

It should also be noted that, in this specification, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these entities or operations. There is no such actual relationship or sequence between operations. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Claims (10)

1. a memory monitoring method, is characterized in that, comprises: When receiving a memory application for target data, identifying the data type of the target data; Call the memory application interface to allocate memory for the target data, and return the memory allocation result, so as to respond to the memory application; The requested memory size corresponding to the data type is updated according to the requested memory amount corresponding to the memory request, and the total amount of all allocated memory is updated. 2. The memory monitoring method according to claim 1, wherein the updating the application memory size corresponding to the data type according to the application memory amount corresponding to the memory application comprises: Determine whether the data type exists in the target storage structure; If so, update the requested memory size corresponding to the data type according to the requested memory amount corresponding to the memory request; If not, the data type is stored in the target storage structure, and the application memory size corresponding to the data type is counted according to the application memory amount corresponding to the memory application. 3. The memory monitoring method according to claim 2, wherein the target storage structure is a Map structure. 4. The memory monitoring method according to claim 1, wherein the returned memory allocation result comprises: If the application is successful, the memory corresponding to the target data is returned. 5. The memory monitoring method according to claim 1, wherein the returned memory allocation result comprises: If the application fails, the error code corresponding to the error type is returned. 6. The memory monitoring method according to claim 1, further comprising: When receiving the print command of the memory statistics, output the size of the requested memory and the total amount of all allocated memory corresponding to each of the data types. 7. The memory monitoring method according to any one of claims 1 to 6, further comprising: After detecting the release action of the target memory, determine the target data type of the data stored in the target memory; The size of the requested memory corresponding to the target data type and the total amount of all allocated memory are updated according to the size of the target memory. 8. A memory monitoring device, comprising: an identification module, configured to identify the data type of the target data when receiving the memory application of the target data; an allocation module, configured to call a memory application interface to allocate memory for the target data, and return a memory allocation result so as to respond to the memory application; The first update module is configured to update the requested memory size corresponding to the data type according to the requested memory amount corresponding to the memory application, and update the total amount of all allocated memory. 9. An electronic device, characterized in that, comprising: memory for storing computer programs; The processor is configured to implement the steps of the memory monitoring method according to any one of claims 1 to 7 when executing the computer program. 10. A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the memory monitoring according to any one of claims 1 to 7 is implemented steps of the method.

Images