CN116155706A - Method, device, equipment and medium for managing table operation information of forwarding chip - Google Patents

Abstract

An embodiment of the present invention provides a method, device, device, and medium for managing entry operation information of a forwarding chip. The method includes: receiving entry operation information issued by a network operating system, and recording the entry operation information by an entry delivery thread To the currently active operation information container; wherein, the entry operation information is stored in a hierarchical manner, and includes the operation type, the number of entries, the forwarding chip ID, the entry ID, the operation result, the content of each entry, each Table item results, operation start time, operation end time, and operation efficiency, etc.; after the current operation information container is full, switch the currently active operation information container, and the consumer will output the contents of the full operation information container in the agreed format ; Clear the contents of the operation information container. The invention can efficiently manage the table item operation information of the forwarding chip, can be used for the positioning and analysis of the functional problems and performance problems of the network equipment, and has strong practical application significance.

Description

Table item operation information management method, device, equipment and medium of forwarding chip

technical field

The present invention relates to the field of computer technology, in particular, to a method, device, device and medium for managing information on table entry operation of a forwarding chip.

Background technique

With the evolution and development of innovative applications such as 5G, the Internet of Things, big data, cloud computing, and AI, the data traffic transmitted by the network is increasing rapidly, and the data center network is also facing increasing challenges. As shown in Figure 1, the data center network connects the general-purpose computing area, storage area, and high-performance computing area, which is an important guarantee for the continuous and stable output of data center computing power. Network equipment is the core component of the data center network, and its function and performance are directly related to the quality of the data center network. The data center network requires intelligent and efficient operation and maintenance capabilities, that is, after a network failure occurs, the network service transmission can be restored as soon as possible, and the root cause of the failure can be quickly located; when the network transmission performance declines, the cause of network performance degradation can be checked through convenient means , timely and accurately optimize network performance.

After a network failure occurs, development and maintenance personnel often get only a failure site, and many failure phenomena are secondary failures. Only by tracing the cause of the first failure can they locate and solve the problem. The operation process and operation results before the fault occurs are particularly important for the recurrence, location, and resolution of the problem. The operating efficiency of network equipment directly affects the function and performance of network transmission, and it is also an aspect that developers and maintainers focus on. When the network transmission performance is degraded, it is necessary to have a convenient means to analyze the reasons for the degradation of network equipment bearer performance, and then provide a solution to optimize the network transmission performance.

As shown in Figure 2, network devices usually include the following types of devices: a forwarding chip responsible for forwarding data, a CPU responsible for controlling the operation of the system, a network card providing CPU-side management functions, storage devices such as memory and hard disks, and peripheral hardware such as fans and power supplies . The forwarding chip is responsible for the exchange and forwarding of the underlying data packets of the network equipment, and is the core component of the network equipment. All business operations of network devices are converted into table entry operations of forwarding chips. The functions and performances of various table entry operations of the forwarding chip are closely related to the functions and performances of network devices.

The forwarding chip of the data center network equipment, ACL, MAC, and other table item resources have relatively large specifications. When locating functional problems or performance problems of network devices, it is necessary to record and analyze the operations of various entries of the forwarding chip. However, in the implementation of the current network equipment, there is a lack of a solution for recording and analyzing the table entry operations of the forwarding chip, which leads to insufficient fast and accurate positioning of the problem.

Contents of the invention

In view of this, the object of the present invention is to provide a method, device, equipment and medium for managing information on table entry operation of a forwarding chip, so as to improve the above problems.

An embodiment of the present invention provides a method for managing information on entry operation of a forwarding chip, which includes:

Receive entry operation information issued by the network operating system, and record the entry operation information into the currently active operation information container by the entry delivery thread; wherein, the entry operation information is stored in a hierarchical manner, and includes Operation type, number of entries, forwarding chip ID, entry ID, operation result, content of each entry, result of each entry, operation start time, operation end time, and operation efficiency;

After the current operation information container is full, switch the currently active operation information container, and the consumer will output the contents of the full operation information container in the agreed format;

Clear the contents of the operation information container.

Preferably, the consumer includes a file thread for writing entry operation information and a command line thread for viewing entry operation information.

Preferably, the storage architecture of entry operation information management includes four levels:

The first level includes TableOperLogSys, which is the entire table entry operation information system;

The second level includes SubSys1_OperLogBase, which is the entry operation information base of a specific functional subsystem of the forwarding chip;

The third level includes Table1_OperLogContainer, which is the operation information container of specific table items, and the third level also includes the table item operation attribute information of the subsystem;

The fourth level includes OperRecordArray, which is used to store specific entry operation information in a numerical manner. The size M of the array is set according to the specific entry specification of the forwarding chip, the actual definition entry specification of the network device, and the current available memory resources of the system. .

Preferably, in the third-level Route_OperLogContainer, two operational information containers, the active one and the standby one, are defined. After the records of the active operation information container are full, perform active-standby switchover;

If the standby operation information container has not finished writing the file, the master-standby switchover will not be performed, and the original current active container will be directly reused to continue recording; after the standby operation information container has finished writing the file, continue the switchover of the master-standby container.

Preferably, in the OperRecordPool of the fourth level, the entry content field of the memory pool entry operation information of N table entry content spaces is pre-created to point to the memory block allocated from the resource pool, so that the content of the forwarding chip entry corresponds to the memory block The application release is converted to the application release of the memory pool unit.

Preferably, the fourth level also includes the current index attribute information of the entry operation record.

Preferably, the enumeration definition format is used for the data recorded in the string records in the entry operation information; the conversion and output operation of the strings is implemented in the entry operation information output process that pays little attention to operation efficiency.

The embodiment of the present invention also provides an entry operation information management device of a forwarding chip, which includes:

The recording unit is configured to receive entry operation information issued by the network operating system, and the entry delivery thread records the entry operation information into the currently active operation information container; wherein, the entry operation information is in a hierarchical manner Store, and include operation type, number of entries, forwarding chip ID, entry ID, operation result, content of each entry, result of each entry, operation start time, operation end time, and operation efficiency;

The output unit is used to switch the currently active operation information container after the current operation information container is full, and the consumer outputs the contents of the full operation information container in the agreed format;

A clearing unit, configured to clear the content in the operation information container.

The embodiment of the present invention also provides a forwarding chip entry operation information management device, which is characterized in that it includes a memory and a processor, and a computer program is stored in the memory, and the computer program can be executed by the processor. In order to realize the above-mentioned method for managing table entry operation information of the forwarding chip.

The embodiment of the present invention also provides a computer-readable storage medium, which stores a computer program, and the computer program can be executed by the processor of the device where the computer-readable storage medium is located, so as to realize the expression of the above-mentioned forwarding chip Item operation information management method.

To sum up, this embodiment defines the record format of the table entry operation information of the forwarding chip, which is used to record the various table entry operation functions and performance information of the forwarding chip in the whole process; at the same time, a table entry operation is designed The information storage management solution is used to format and store the operation information of various chip table items, so that the table item operation sequence file in the specified format can be quickly obtained, which is convenient for process analysis and recurring positioning of network faults.

This embodiment can be used in a fault location analysis scenario, and can be used for direct fault analysis and location after capturing the forwarding chip entry operation information of the faulty device. This embodiment can also be used for the recurrence and location analysis of difficult faults, because the laboratory environment is usually different from the actual deployment environment of the network system, the accurate forwarding chip table item operation sequence, the convenient and accurate recurrence of difficult faults, and further The positioning solution is particularly important. The entry operation information of the forwarding chip includes operation efficiency information, which can quickly find performance bottlenecks. This embodiment can also be used in performance optimization scenarios of network devices.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and thus It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

FIG. 1 is an architecture diagram of an existing data center network.

FIG. 2 is a block diagram of an existing network device architecture.

Fig. 3 is a schematic flowchart of a method for managing operation information of an entry of a forwarding chip according to the first embodiment of the present invention.

Fig. 4 is an architecture diagram of table item operation information management of a forwarding chip provided by an embodiment of the present invention.

FIG. 5 is a specific management architecture diagram of routing entry operation information provided by an embodiment of the present invention.

FIG. 6 is a schematic structural diagram of an apparatus for managing entry operation information of a forwarding chip according to a second embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In order to better understand the technical solutions of the present invention, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

It should be clear that the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a", "said" and "the" are also intended to include the plural forms unless the context clearly indicates otherwise.

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

Please refer to FIG. 3 , the first embodiment of the present invention provides a method for managing table entry operation information of a forwarding chip, which can be executed by a table entry operation information management device (hereinafter referred to as the management device) of the forwarding chip, in particular, by the Executed by one or more processors in the management device, so as to at least implement the following steps:

S101. Receive entry operation information issued by the network operating system, and record the entry operation information into the currently active operation information container by the entry delivery thread; wherein, the entry operation information is stored in a hierarchical manner, And includes operation type, number of entries, forwarding chip ID, entry ID, operation result, content of each entry, result of each entry, operation start time, operation end time and operation efficiency.

In this embodiment, the management device may be a network device. Based on this, the method of this embodiment may be implemented at the driver platform layer of the network device, or at the forwarding chip SDK layer of the network device.

In this embodiment, the entry sending thread of the forwarding chip is the producer of operation information, which is used to receive the entry operation information issued by the network operating system, and record the entry operation information into the currently active operation information container .

Wherein, in this embodiment, in order to facilitate the organization and management of entry operation information, a hierarchical management structure is adopted, as shown in FIG. 4 .

In Fig. 4, the management structure of entry operation information mainly has four levels. The first-level TableOperLogSys is the entire table item operation information system. The second-level SubSys1_OperLogBase is an entry operation information base of a specific functional subsystem of the forwarding chip. The Table1_OperLogContainer of the third level is the operation information container of the specific table item, and the third level also has the table item operation attribute information of the subsystem. The fourth-level OperRecordArray is used to store specific entry operation information. The size M of the array is set according to the specific entry specification of the forwarding chip, the actual definition entry specification of the network device, and the current available memory resources of the system.

Among them, the OperRecordPool of the fourth level pre-creates a memory pool of N table item content spaces, and N refers to the size of the array M and the current available memory size of the system. The entry content field of the entry operation information points to the memory block allocated from the resource pool, and the application release of the corresponding memory of the forwarding chip entry content is converted into the application release of the memory pool unit, so as to reduce the consumption of frequent application release of the storage space of the entry content. , improve the efficiency of entry operation information recording.

In this embodiment, as shown in Table 1, the entry operation information specifically includes the operation type, the number of entries, the forwarding chip ID, the entry ID, the operation result, the content of each entry, the result of each entry, the operation start time, Operation end time, operation efficiency, etc., can be added or deleted according to the needs of the operation information field.

The interfaces provided by each entry of the forwarding chip include - create, remove, set, get, bulk_create, bulk_remove, bulk_set, bulk_get, etc., corresponding to various types of operations. The number of entries is used to indicate the number of forwarding chip entries managed by this operation. Forwarding chip ID is used in multi-chip solutions. The entry ID is used to specify the index of the entry. In the bulk operation of multiple entries, the entry ID points to the ID array. The operation result is generally defined as an enumeration type, indicating the result of the entire operation. The entry content is used to point to the forwarding chip entry array. The result of each table item is also an enumeration type, which is used to indicate the operation execution result of each specific table item. The start time, end time, and operation efficiency are the performance information fields of table item operations, which can be used to analyze the performance of specific operations, and some time points can be added to record time-consuming information of important operations.

Table 1 Table item operation information format definition

Among them, in order to improve the efficiency of data storage and reduce the impact of the record of table item operation information on the efficiency of table item operation, the record format of table item operation information should be in digital format as much as possible, and the records of character strings should be reduced or avoided as much as possible. The enumeration definition format can be considered for string records, and the conversion output operation of strings can be implemented in the entry operation information output process that pays less attention to operation efficiency.

In order to facilitate the understanding of the present invention, the following takes the operation information of the routing table entry as an example to expand and describe the storage structure of the operation information of the routing table entry of the forwarding chip.

As shown in Figure 5, the second-level structure associated with the routing table item is L3_OperLogBase, which manages the Layer 3 related table item operation information of the forwarding chip; the third-level structure associated with the routing table item is Route_OperLogContainer, which is used to manage the operation of the routing table item Container of information; routing entry operation management information is stored in Route_OperRecordArray, which is an array of Table 1 structure. The routing table entry operation information unit corresponds to the "content of each table entry" field in Table 1, specifically pointing to the routing table structure of the forwarding chip. In order to improve the efficiency of table entry operation information recording, a memory pool Route_OperRecordPool of N routing table entry units is pre-applied according to the routing table entry structure.

S102, after the current operation information container is full, switch the currently active operation information container, and the consumer outputs the content in the full operation information container in an agreed format.

S103. Clear the content in the operation information container.

In this embodiment, in particular, when recording, in order to ensure the data consistency of the routing entry operation information and improve the efficiency of the file writing thread, at the Route_OperLogContainer level, two operation information containers are defined: primary and backup. After the record of the active container is full, the active/standby switchover of the container is performed.

In addition, fault tolerance needs to be considered when switching between the active and standby containers. If the standby operation information container has not finished writing the file, the master-standby rotation will not be executed, and the original current active container will be directly reused to continue recording; the standby container will continue to switch after the file is written.

In this embodiment, the consumer includes a thread for writing table item operation information to a file, and a command line thread for viewing table item operation information. Taking the thread for writing table item operation information as an example, its normalization is in a blocked state, and execution is triggered after the current active operation information container is full, and the content of the full container is output to the file in the agreed format. The agreed format can be Common file formats such as RAW, XML, JSON, etc. After writing the file, the contents of the container that has been output to the file will be emptied at the same time.

Similarly, for the command line to view the entry operation information thread, it is also a consumer of the entry operation information, and supports outputting the entry operation information of the currently active operation information container to the command line or a file in a specified format.

In this embodiment, after the file is output, if the network device fails, the development and maintenance personnel can obtain the entry operation information of the forwarding chip of the network device through the output file, so as to timely and accurately locate the first place where the fault occurs. On-site, quickly analyze and locate problems.

If it is a difficult problem, the problem can be accurately reproduced according to the recorded operation process, which is convenient for developers to further collect information and achieve efficient problem location and resolution. If some difficult problems are related to the interaction of multiple systems, the current table item operation information file records the start time and end time of table item operations, and the operation sequence can be sorted based on this time to locate complex problems. now.

The operation efficiency of the forwarding entry is directly related to the performance of the network device. When optimizing the network function, it is particularly important to know the operation efficiency of the entry. In this embodiment, since the entry operation record records the time-consuming and performance of the entry operation, performance bottlenecks can be found very intuitively, and targeted analysis and optimization can be performed.

In addition, after obtaining the operation information files of each table item, a processing language such as Python can be used to convert the table item operation information into a format acceptable to the laboratory environment equipment, which can be used for rapid location and reproduction of problems. The CLING environment, THRIFT environment, PYTEST environment, etc. can be used, and a customized environment can also be used to realize automatic and rapid recurrence of problems.

To sum up, this embodiment defines the record format of the table entry operation information of the forwarding chip, which is used to record the various table entry operation functions and performance information of the forwarding chip in the whole process; at the same time, a table entry operation is designed The information storage management solution is used to format and store the operation information of various chip table items, so that the table item operation sequence file in the specified format can be quickly obtained, which is convenient for process analysis and recurring positioning of network faults.

This embodiment can be used in a fault location analysis scenario, and can be used for direct fault analysis and location after capturing the forwarding chip entry operation information of the faulty device. This embodiment can also be used for the recurrence and location analysis of difficult faults, because the laboratory environment is usually different from the actual deployment environment of the network system, the accurate forwarding chip table item operation sequence, the convenient and accurate recurrence of difficult faults, and further The positioning solution is particularly important. The entry operation information of the forwarding chip includes operation efficiency information, which can quickly find performance bottlenecks. This embodiment can also be used in performance optimization scenarios of network devices.

Please refer to FIG. 6 , the second embodiment of the present invention also provides a device for managing entry operation information of a forwarding chip, which includes:

The recording unit 210 is configured to receive entry operation information issued by the network operating system, and the entry delivery thread records the entry operation information into the currently active operation information container; wherein, the entry operation information is in a hierarchical format It is stored in a specific way, and includes operation type, number of entries, forwarding chip ID, entry ID, operation result, content of each entry, result of each entry, operation start time, operation end time, and operation efficiency;

The output unit 220 is configured to switch the currently active operation information container after the current operation information container is full, and the consumer outputs the contents of the full operation information container in an agreed format;

The clearing unit 230 is configured to clear the content in the operation information container.

The third embodiment of the present invention also provides a device for dynamically mapping register addresses, which includes a memory and a processor, and a computer program is stored in the memory, and the computer program can be executed by the processor to realize Such as the above-mentioned method for managing the operation information of the entry of the forwarding chip.

The fourth embodiment of the present invention also provides a computer-readable storage medium, which stores a computer program, and the computer program can be executed by the processor of the device where the computer-readable storage medium is located, so as to realize the above-mentioned forwarding chip The table entry operation information management method.

In the several embodiments provided by the embodiments of the present invention, it should be understood that the disclosed devices and methods may also be implemented in other ways. The device and method embodiments described above are only illustrative. For example, the flowcharts and block diagrams in the accompanying drawings show possible implementation architectures of devices, methods and computer program products according to multiple embodiments of the present invention, function and operation. In this regard, each block in a flowchart or block diagram may represent a module, program segment, or part of code that includes one or more Executable instructions. It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks in succession may, in fact, be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. It should also be noted that each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by a dedicated hardware-based system that performs the specified function or action , or may be implemented by a combination of dedicated hardware and computer instructions.

In addition, each functional module in each embodiment of the present invention can be integrated together to form an independent part, or each module can exist independently, or two or more modules can be integrated to form an independent part.

If the functions are implemented in the form of software function modules and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the essence of the technical solution of the present invention or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, an electronic device, or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk and other media that can store program codes. . It should be noted that, in this document, the terms "comprising", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A table item operation information management method of a forwarding chip, characterized in that, comprising: Receive entry operation information issued by the network operating system, and record the entry operation information into the currently active operation information container by the entry delivery thread; wherein, the entry operation information is stored in a hierarchical manner, and includes Operation type, number of entries, forwarding chip ID, entry ID, operation result, content of each entry, result of each entry, operation start time, operation end time, and operation efficiency; After the current operation information container is full, switch the currently active operation information container, and the consumer will output the contents of the full operation information container in the agreed format; Clear the contents of the operation information container. 2. The entry operation information management method of the forwarding chip according to claim 1, characterized in that, The consumer includes a thread for writing table item operation information to a file and a command line thread for viewing table item operation information. 3. The entry operation information management method of the forwarding chip according to claim 1, characterized in that, The storage architecture of entry operation information management includes four levels: The first level includes TableOperLogSys, which is the entire table entry operation information system; The second level includes SubSys1_OperLogBase, which is the entry operation information base of a specific functional subsystem of the forwarding chip; The third level includes Table1_OperLogContainer, which is the operation information container of specific table items, and the third level also includes the table item operation attribute information of the subsystem; The fourth level includes OperRecordArray, which is used to store specific entry operation information in the form of an array. The size M of the array is set according to the specific entry specification of the forwarding chip, the actual definition entry specification of the network device, and the current available memory resources of the system. . 4. The entry operation information management method of the forwarding chip according to claim 3, characterized in that, In the third-level Route_OperLogContainer, two operational information containers, the active one and the standby one, are defined. After the records of the active operation information container are full, perform active-standby switchover; If the standby operation information container has not finished writing the file, the master-standby switchover will not be performed, and the original current active container will be directly reused to continue recording; after the standby operation information container has finished writing the file, continue the switchover of the master-standby container. 5. The table item operation information management method of the forwarding chip according to claim 3, characterized in that, In the fourth-level OperRecordPool, the entry content field of the memory pool entry operation information of N entry content spaces is pre-created to point to the memory block allocated from the resource pool, so that the application for memory corresponding to the content of the forwarding chip entry is released and converted Released for the application of the memory pool unit. 6. The entry operation information management method of the forwarding chip according to claim 3, wherein the fourth level further includes current index attribute information of entry operation records. 7. the table item operation information management method of forwarding chip according to claim 3, it is characterized in that, for the data of character string record in table item operation information, adopt enumeration definition format; To the conversion output operation of character string, put It is implemented in the output process of table item operation information that pays little attention to operation efficiency. 8. An entry operation information management device of a forwarding chip, characterized in that it comprises: The recording unit is configured to receive entry operation information issued by the network operating system, and the entry delivery thread records the entry operation information into the currently active operation information container; wherein, the entry operation information is in a hierarchical manner Store, and include operation type, number of entries, forwarding chip ID, entry ID, operation result, content of each entry, result of each entry, operation start time, operation end time, and operation efficiency; The output unit is used to switch the currently active operation information container after the current operation information container is full, and the consumer outputs the contents of the full operation information container in the agreed format; A clearing unit, configured to clear the content in the operation information container. 9. An entry operation information management device of a forwarding chip, characterized in that it includes a memory and a processor, wherein a computer program is stored in the memory, and the computer program can be executed by the processor, so as to realize the The entry operation information management method of the forwarding chip described in any one of 1 to 7. 10. A computer-readable storage medium, characterized in that it stores a computer program, and the computer program can be executed by a processor of the device where the computer-readable storage medium is located, so as to implement any one of claims 1 to 7. The table item operation information management method of the forwarding chip.

Images