CN101178669A - Resource recovery method and apparatus - Google Patents
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- CN101178669A CN101178669A CNA2007101794785A CN200710179478A CN101178669A CN 101178669 A CN101178669 A CN 101178669A CN A2007101794785 A CNA2007101794785 A CN A2007101794785A CN 200710179478 A CN200710179478 A CN 200710179478A CN 101178669 A CN101178669 A CN 101178669A
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Abstract
The invention relates to a method for recycling the resource, which comprises that: the only mark of the process is informed to a resource recycling module. In the process of enforcing, the needing resource is applied by the resource recycling module which records the applying resource information in the process and the only mark of the process corresponding to the resource information. When the process of enforcing is finished, the resource recycling module is informed. The resource recycling module searches for the using resource information and releases all corresponding resources. Besides, the invention also relates to the resource recycling device, the memory leaking checking method and device. The method and the device can recycle the computer resource effectively, which resolve the problem of memory leakage and have simple utilization, high efficiency and good compatibility.
Description
Technical field
The present invention relates to computer realm, particularly a kind of its recovery method as resource and device and memory overflow inspection method and device.
Background technology
At present, in the computing machine and the communications industry, for the equipment that requires not shut down for a long time use, discharging unwanted resource in time, utilizing existing resource fully is the operational efficiency of assurance system and a key factor of running quality.
But, the recovery method of present various resources can not reclaim various resources fully, expeditiously, for example memory leak issue is exactly a more serious problem, memory overflow is meant that the system that does not discharge timely after the interior existence of dynamic assignment is used in program and cause can't reuse, and this situation is especially serious in the system that uses language developments such as C/C++.
At present, mainly find at memory overflow by following three kinds of modes:
1, utilizes specific purpose tool inspection, as PC-LINT, Purify etc.This method is mainly found the potential internal memory leakage problem that exists by the static scanning code or by supervisory control system running.
2, utilize the universal memory reclaim mechanism to check, at present, language such as Java provide the universal memory reclaim mechanism, and this method mainly is that the internal memory that is not cited is promptly thought the rubbish internal memory by the employed internal memory of scanning system, can reclaim and reuse.
3, avoid memory overflow by writing high-quality source code.
But, in realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: the first method inspection not comprehensively, can't use when system normally moves, because no matter be static tool or dynamic instrument, comprehensive various operating paths of code analysis all, so can not find all possible memory leak issue, and specific purpose tool generally is to use in the system testing process, system can't find and solve memory leak issue when operation; The second method organic efficiency is low, though various optimized Algorithm are arranged, but owing to need the system-wide internal memory operating position of scanning, so efficient can't satisfy the requirement (the general requirement is Millisecond) of the response time of real-time system, reclaim mechanism is uncontrollable, because real-time system requires and must respond to the time of message in appointment, and reclaim mechanism requires to hang up total system, simultaneously because recovery time is longer, this is that real-time system is unacceptable, too depend on the environment of system's operation, can only apply to the system of language developments such as Java, can't apply to the system of other Languages exploitation; Adopt the third method, because system complex, treatment scheme branch is many especially, the abnormal conditions that need to handle also vary, be easy to appear under some scene the developer and cause having applied for that because of inconsiderate internal memory does not but discharge, therefore this method has been brought very big burden to the developer, and problem also is difficult to be solved.
In sum, lack at present a kind of use simple, efficient is high, compatibility good, personnel and the development environment dependency degree is low, can better apply to its recovery method as resource and the memory overflow inspection method of real-time system.
Summary of the invention
The embodiment of the invention provides a kind of its recovery method as resource and device and memory overflow inspection method and device, to reclaim various computer resources efficiently, solves memory leak issue preferably, and use is simple, efficient is high, compatibility good.
The embodiment of the invention provides a kind of its recovery method as resource, and this method specifically comprises:
Unique identification notice resource recycling module with process;
When carrying out this process, by resource recycling module application resource requirement, this resource recycling module writes down the unique identification of resource information that this process applies for and the process corresponding with this resource information;
Carry out end in this process, notice resource recycling module;
Described resource recycling module is searched the employed resource information of this process, and discharges all corresponding resources.
This method adopts its recovery method as resource based on process, use simple, operational efficiency is high, compatibility good, and can avoid resource long-term not to be used preferably and does not have the situation of release, is suitable for having the various real-time systems of resource management.
The embodiment of the invention provides a kind of resource retracting device, and this device specifically comprises: resource management module, process management module and resource recycling module;
Wherein, the process management module comprises: notification module is used for carrying out end with the unique identification of process or in this process notice resource recycling module; The application module is used for carrying out this process, by the resource recycling module to the required resource of resource management module application;
Wherein, the resource recycling module comprises: logging modle is used to write down the unique identification of resource information that this process applies for and the process corresponding with this resource information; Release module is used for searching the employed resource information of this process, and discharges all corresponding resources.
This device adopts the machine for resource recovery system based on process, use simple, operational efficiency is high, compatibility good, and can avoid resource long-term not to be used preferably and does not have the situation of release, is suitable for having the various real-time systems of resource management.
The embodiment of the invention provides a kind of memory overflow inspection method, and this method specifically comprises:
Unique identification notice internal memory recycling module with process;
In this process of execution, by the internal memory recycling module to the required internal memory of memory management module application, this internal memory recycling module writes down the unique identification of memory information that this process applies for and the process corresponding with this memory information, and this process initiatively discharges the memory source that has used;
Carry out end in this process, notice internal memory recycling module;
Described internal memory recycling module finds out this process does not also have the internal memory that discharges, and the described internal memory that also not have release is the internal memory of leakage.
This method adopts and searches the internal memory of leakage based on the mechanism of process, can fully find memory leak issue, also can reclaim the internal memory of the leakage that finds preferably, and simultaneously, this method is used simply, operational efficiency is high, compatibility good, and suitable real-time system.
The embodiment of the invention provides a kind of memory overflow testing fixture, and this device specifically comprises: memory management module, process management module and internal memory recycling module;
Wherein, the process management module comprises: notification module is used for carrying out end with the unique identification of process or in this process notice internal memory recycling module; The application module is used for carrying out this process, by the resource recycling module to the required internal memory of memory management module application; Initiatively release module is used for initiatively discharging the memory source that has used;
Wherein, the internal memory recycling module comprises: logging modle is used to write down the unique identification of memory information that this process applies for and the process corresponding with this memory information and the memory information of release initiatively; Search module, be used to find out the internal memory that this process does not also have release.
This device adopts the internal memory reclaim mechanism based on process, when reclaiming resource, does not need to scan system-wide internal memory operating position, the operational efficiency height; Can compatible all Memory Allocation algorithms, compatible good; Memory leak issue can be fully solved, problem and other common memory problem of repetition releasing memory can be avoided simultaneously.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the process flow diagram of its recovery method as resource embodiment of the present invention;
Fig. 2 is the process flow diagram of another embodiment of its recovery method as resource of the present invention;
Fig. 3 is the structural representation of resource retracting device embodiment of the present invention;
Fig. 4 is the process flow diagram of memory overflow inspection method embodiment of the present invention;
Fig. 5 is the structural representation of memory overflow testing fixture embodiment of the present invention.
Embodiment
As shown in Figure 1, be the process flow diagram of its recovery method as resource embodiment of the present invention, this method specifically comprises:
Can also comprise before this step: when constructive process first, for this process is distributed unique sign, and by notifying the resource recycling module with the sign of this process to resource recycling module registration process sign, said process is a general notion, comprise the treatment scheme that all have beginning, finish, the for example once connection of call, link or data use, an issued transaction, a session or the like, above-mentioned unique identification can be information such as procedure name, as long as guarantee in total system unique;
Step 102, when carrying out this process, by resource recycling module application resource requirement, this resource recycling module writes down the unique identification of resource information that this process applies for and the process corresponding with this resource information;
When this process of execution, by the resource recycling module to resource management module application resource requirement, this resource recycling module writes down the resource information that this process applies for and the unique identification of this process, and the two is associated, above-mentioned resource information comprises the size of resource, the information such as type of resource;
When the resource recycling module knows that this process finishes, search the employed resource information of this process according to the unique identification of this process, and discharge corresponding resource.
In addition, the resource in the foregoing description can be various computer resources, as internal memory, hard disk, bandwidth or handle etc.
Said method adopts its recovery method as resource based on process, after each process finishes, the unified resource that discharges, can avoid discharging resource prematurely and cause the invalid problem of visit, also can avoid same resource to discharge repeatedly problem, all can discharge resource automatically after finishing because each process is carried out, be controlled recovery opportunity of all resources, be well suited for real-time system, simultaneously, this method is based on the resource management of process, the resource organic efficiency is very high, and uses simple.
As shown in Figure 2, the process flow diagram of another embodiment of its recovery method as resource of the present invention, this method specifically comprises:
Before step 201, can also comprise: when constructive process first, be that this process is distributed unique sign, and by notifying the internal memory recycling module to internal memory recycling module registration process sign with the sign of this process;
When this process of execution, by the internal memory recycling module to memory management module application resource requirement, this internal memory recycling module writes down the memory information that this process is applied for, above-mentioned memory information comprises the information such as process unique identification of memory address, memory size, correspondence, in addition, about the internal memory and the process uniquely identified corresponding relation of management application, can be according to the needs of system, adopt different data structures, to reduce memory capacity and to improve search efficiency;
When the internal memory recycling module knows that this process finishes, search the employed memory information of this process according to the unique identification of this process, and discharge corresponding internal memory.
This method is to be responsible for the management and the release of internal memory by system, can not occur that internal memory is not used for a long time and the situation that do not have to discharge, thereby can avoid the appearance of memory leak issue; Based on the memory management of process, do not need to scan system-wide internal memory, improved the efficient that internal memory reclaims greatly; Simultaneously, this method can compatible all Memory Allocation algorithms, and is compatible good; Can avoid problem and other common memory problem of repetition releasing memory, and use simple.
As shown in Figure 3, structural representation for resource retracting device embodiment of the present invention, this device specifically comprises: process management module 11, resource recycling module 12 and resource management module 13, wherein, said process administration module 11 comprises: notification module 111, be used for carrying out end notice resource recycling module with the unique identification of process or in this process; Application module 112 is used for carrying out this process, by the resource recycling module to the required resource of resource management module application.Above-mentioned resource recycling module 12 comprises: logging modle 121 is used to write down the unique identification of this process and the resource information that the process corresponding with this unique identification applied for; Release module 122 is used for searching the employed resource information of this process, and discharges all corresponding resources.
In addition, the said process administration module also comprises: distribution module is used for when constructive process, for this process is distributed unique sign; Above-mentioned resource can be various computer resources, as internal memory, hard disk, bandwidth or handle etc.
Said apparatus utilizes the notification module in the process management module unique identification of process to be sent to the logging modle of resource management module, utilize the application module in the process management module to pass through the resource recycling module then to the required resource of resource management module application, simultaneously, logging modle in the resource recycling module writes down the resource information of this process application, and the two is associated, when this process is carried out end, utilize the release module in the notification module notice resource management module in the process management module, release module is searched the employed resource information of this process according to the unique identification of this process from the information of logging modle record, and discharges all corresponding resources.
Said apparatus adopts the machine for resource recovery system based on process, use simple, operational efficiency is high, compatibility good, and can avoid resource long-term not to be used preferably and does not have the situation of release, is suitable for having the various real-time systems of resource management.
As shown in Figure 4, be the process flow diagram of memory overflow inspection method embodiment of the present invention, this method specifically comprises:
Step 201 among above-mentioned steps 301 and step 302 and the method for recovering internal storage embodiment is the same with the operation of step 202;
One of maximum difference of this method and method for recovering internal storage embodiment just is this method in the process of this process of execution, initiatively discharges the memory source that has used;
When the internal memory recycling module knew that this process finishes, finding out this process according to the unique identification of this process also not have the internal memory that discharges, and the above-mentioned internal memory that does not also have release is the internal memory of leakage; After finding the internal memory that leaks, can eliminate the internal memory leakage problem by initiatively revising this process, also can reclaim memory source by the internal memory that discharges above-mentioned leakage.
Said method adopts and searches the internal memory of leakage based on the mechanism of process, can fully find memory leak issue, also can reclaim the internal memory of the leakage that finds preferably, simultaneously, this method is used simply, operational efficiency is high, compatibility good, and suitable real-time system.
As shown in Figure 5, structural representation for memory overflow testing fixture embodiment of the present invention, this device specifically comprises: process management module 21, internal memory recycling module 22 and memory management module 23, wherein, said process administration module 21 comprises: notification module 111, be used for carrying out end notice internal memory recycling module with the unique identification of process or in this process; Application module 112 is used in this process of execution, to the required internal memory of memory management module application; Initiatively release module 211 is used for initiatively discharging the memory source that has used; Above-mentioned internal memory recycling module 22 comprises: logging modle 121 is used to write down the unique identification of this process and memory information that the process corresponding with this unique identification applied for and the memory information that initiatively discharges; Search module 221, be used to find out the internal memory that this process does not also have release.
The said process administration module also comprises: distribution module is used for when constructive process, for this process is distributed unique sign; In addition, when searching module searches when also not have the internal memory of release, when promptly finding memory overflow, can remodify this process to avoid memory leak issue, or discharge once more and also do not have the internal memory that discharged, therefore the said process administration module can also comprise: modified module is used to revise this process; Above-mentioned internal memory recycling module can also comprise: release module, the internal memory that is used for also not having to discharge has discharged.
Said apparatus utilizes the notification module in the process management module unique identification of process to be sent to the logging modle of memory management module, utilize the application module in the process management module to pass through the internal memory recycling module then to the required internal memory of memory management module application, simultaneously, logging modle in the internal memory recycling module writes down the memory information of this process application, and the two is associated, in this process of execution, can initiatively discharge the internal memory that has used, and with the memory information Notification Record module that discharges, when this process is carried out end, utilize the module of searching in the notification module notice memory management module in the process management module, search module and from the information of logging modle record, find out the internal memory that this process also not have release according to the unique identification of this process, the above-mentioned internal memory that does not also have to discharge is the internal memory of leakage, behind the internal memory that leaks, can revise this process when searching module searches by modified module, to eliminate memory leak issue, also can discharge the internal memory of leakage again, to reclaim these memory sources.
Said apparatus adopts and searches the internal memory of leakage based on the mechanism of process, can fully find memory leak issue, also can reclaim the internal memory of the leakage that finds preferably, simultaneously, this method is used simply, operational efficiency is high, compatibility good, and suitable real-time system.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (17)
1. its recovery method as resource is characterized in that comprising:
Unique identification notice resource recycling module with process;
When carrying out said process, by resource recycling module application resource requirement, this resource recycling module writes down the unique identification of resource information that this process applies for and the process corresponding with this resource information;
Carry out end in this process, notice resource recycling module;
Described resource recycling module is searched the employed resource information of this process, and discharges all corresponding resources.
2. its recovery method as resource according to claim 1 is characterized in that also comprising before the described unique identification notice resource recycling module with process: when constructive process, for this process is distributed unique sign.
3. its recovery method as resource according to claim 1 and 2, it is characterized in that described resource recycling module searches that employed resource information is specially in this process: described resource recycling module is searched the employed resource information of this process according to the unique identification of this process.
4. its recovery method as resource according to claim 1 and 2, it is characterized in that the described resource recycling module that passes through is to the required resource of resource management module application, the unique identification that this resource recycling module writes down resource information that this process applies for and the process corresponding with this resource information is specially: to the required internal memory of memory management module application, this internal memory recycling module writes down the unique identification that memory information that this process applies for reaches the process corresponding with this memory information by the internal memory recycling module.
5. its recovery method as resource according to claim 4 is characterized in that described at this process execution end, notice resource recycling module; Described resource recycling module is searched the employed resource information of this process, and discharges all corresponding resources and be specially: carry out in this process and finish, notice internal memory recycling module; Described internal memory recycling module is searched the employed memory information of this process, and discharges all corresponding internal memories.
6. a resource retracting device comprises resource management module, it is characterized in that also comprising process management module and resource recycling module, and described process management module comprises:
Notification module is used for carrying out end with the unique identification of process or in this process notice resource recycling module;
The application module is used for carrying out this process, by the resource recycling module to the required resource of resource management module application;
Described resource recycling module comprises:
Logging modle is used to write down the unique identification of this process and the resource information that the process corresponding with this unique identification applied for;
Release module is used for searching the employed resource information of this process, and discharges all corresponding resources.
7. resource retracting device according to claim 6 is characterized in that described process management module also comprises: distribution module is used for when constructive process, for this process is distributed unique sign.
8. according to claim 6 or 7 described resource retracting devices, it is characterized in that described resource recycling module is specially the internal memory recycling module, described resource is specially internal memory.
9. memory overflow inspection method is characterized in that comprising:
Unique identification notice internal memory recycling module with process;
In carrying out described process, by the required internal memory of internal memory recycling module application, this internal memory recycling module writes down the unique identification of memory information that this process applies for and the process corresponding with this memory information, and this process initiatively discharges the memory source that has used;
Carry out end in this process, notice internal memory recycling module;
Described internal memory recycling module finds out this process does not also have the internal memory that discharges, and the described internal memory that also not have release is the internal memory of leakage.
10. memory overflow inspection method according to claim 9 is characterized in that also comprising before the described unique identification notice resource recycling module with process: when constructive process, for this process is distributed unique sign.
11. according to claim 9 or 10 described memory overflow inspection methods, it is characterized in that described internal memory recycling module finds out this process and also do not have the internal memory of release to be specially: described internal memory recycling module finds out the internal memory that this process does not also have release according to the unique identification of this process.
12. memory overflow inspection method according to claim 11 is characterized in that described internal memory recycling module finds out this process and also do not have the internal memory of release also to comprise afterwards: revise this process.
13. memory overflow inspection method according to claim 11, it is characterized in that described internal memory recycling module finds out this process and also do not have the internal memory of release also to comprise afterwards: the internal memory that will also not have to discharge has discharged.
14. a memory overflow testing fixture comprises memory management module, it is characterized in that also comprising: process management module and internal memory recycling module, described process management module comprises:
Notification module is used for carrying out end with the unique identification of process or in this process notice internal memory recycling module;
The application module is used for carrying out this process, by the resource recycling module to the required internal memory of memory management module application;
Initiatively release module is used for initiatively discharging the memory source that has used;
Described internal memory recycling module comprises:
Logging modle is used to write down the unique identification of this process and memory information that the process corresponding with this unique identification applied for and the memory information that initiatively discharges;
Search module, be used to find out the internal memory that this process does not also have release.
15. memory overflow testing fixture according to claim 14 is characterized in that described process management module also comprises: distribution module is used for when constructive process, for this process is distributed unique sign.
16. according to claim 14 or 15 described memory overflow testing fixtures, it is characterized in that described process management module also comprises: modified module is used to revise this process.
17. according to claim 14 or 15 described memory overflow testing fixtures, it is characterized in that described internal memory recycling module also comprises: release module, the internal memory that is used for also not having to discharge has discharged.
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| CN200710179478A CN100590598C (en) | 2007-12-13 | 2007-12-13 | Memory leak detection method and apparatus |
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| CN200710179478A CN100590598C (en) | 2007-12-13 | 2007-12-13 | Memory leak detection method and apparatus |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101414272B (en) * | 2008-10-17 | 2011-06-08 | 上海华为技术有限公司 | Method and apparatus for detecting memory leakage |
| CN103942077A (en) * | 2014-04-15 | 2014-07-23 | 清华大学 | Drive resource recycle analyzing method |
| CN105224469A (en) * | 2014-06-16 | 2016-01-06 | 陈宏达 | Active Memory Storage |
| CN108536537A (en) * | 2018-03-29 | 2018-09-14 | 北京白山耘科技有限公司 | A kind of process resource recovery method and device |
| CN109144902A (en) * | 2018-07-10 | 2019-01-04 | 北京佳讯飞鸿电气股份有限公司 | The application application method and device of memory |
| CN110442404A (en) * | 2019-08-13 | 2019-11-12 | 武汉斗鱼鱼乐网络科技有限公司 | A kind of object method for releasing, device, equipment and storage medium |
| CN110688217A (en) * | 2019-09-04 | 2020-01-14 | 广东浪潮大数据研究有限公司 | Resource release method and device |
| CN113326120A (en) * | 2020-02-29 | 2021-08-31 | 杭州迪普科技股份有限公司 | Apparatus and method for managing memory |
| CN113626181A (en) * | 2021-06-30 | 2021-11-09 | 苏州浪潮智能科技有限公司 | Memory cleaning method, device, equipment and readable storage medium |
| CN114679393A (en) * | 2022-05-30 | 2022-06-28 | 凯睿星通信息科技(南京)股份有限公司 | Satellite internet bandwidth control method, system and device based on flow analysis |
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2007
- 2007-12-13 CN CN200710179478A patent/CN100590598C/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101414272B (en) * | 2008-10-17 | 2011-06-08 | 上海华为技术有限公司 | Method and apparatus for detecting memory leakage |
| CN103942077A (en) * | 2014-04-15 | 2014-07-23 | 清华大学 | Drive resource recycle analyzing method |
| CN103942077B (en) * | 2014-04-15 | 2018-06-15 | 清华大学 | A kind of driving resource reclaim analysis method |
| CN105224469A (en) * | 2014-06-16 | 2016-01-06 | 陈宏达 | Active Memory Storage |
| CN108536537A (en) * | 2018-03-29 | 2018-09-14 | 北京白山耘科技有限公司 | A kind of process resource recovery method and device |
| CN109144902A (en) * | 2018-07-10 | 2019-01-04 | 北京佳讯飞鸿电气股份有限公司 | The application application method and device of memory |
| CN110442404A (en) * | 2019-08-13 | 2019-11-12 | 武汉斗鱼鱼乐网络科技有限公司 | A kind of object method for releasing, device, equipment and storage medium |
| CN110442404B (en) * | 2019-08-13 | 2022-07-05 | 武汉斗鱼鱼乐网络科技有限公司 | Object release method, device, equipment and storage medium |
| CN110688217A (en) * | 2019-09-04 | 2020-01-14 | 广东浪潮大数据研究有限公司 | Resource release method and device |
| CN113326120A (en) * | 2020-02-29 | 2021-08-31 | 杭州迪普科技股份有限公司 | Apparatus and method for managing memory |
| CN113326120B (en) * | 2020-02-29 | 2023-12-26 | 杭州迪普科技股份有限公司 | Apparatus and method for managing memory |
| CN113626181A (en) * | 2021-06-30 | 2021-11-09 | 苏州浪潮智能科技有限公司 | Memory cleaning method, device, equipment and readable storage medium |
| CN113626181B (en) * | 2021-06-30 | 2023-07-25 | 苏州浪潮智能科技有限公司 | Memory cleaning method, device, equipment and readable storage medium |
| CN114679393A (en) * | 2022-05-30 | 2022-06-28 | 凯睿星通信息科技(南京)股份有限公司 | Satellite internet bandwidth control method, system and device based on flow analysis |
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| CN100590598C (en) | 2010-02-17 |
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