CN114968962A - Log management method and system based on multi-core communication and electronic equipment - Google Patents
Log management method and system based on multi-core communication and electronic equipment Download PDFInfo
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- CN114968962A CN114968962A CN202210914664.3A CN202210914664A CN114968962A CN 114968962 A CN114968962 A CN 114968962A CN 202210914664 A CN202210914664 A CN 202210914664A CN 114968962 A CN114968962 A CN 114968962A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/1805—Append-only file systems, e.g. using logs or journals to store data
- G06F16/1815—Journaling file systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/11—File system administration, e.g. details of archiving or snapshots
- G06F16/122—File system administration, e.g. details of archiving or snapshots using management policies
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/172—Caching, prefetching or hoarding of files
Abstract
The invention discloses a log management method, a log management system and electronic equipment based on multi-core communication, wherein the log management system comprises a main core and a plurality of secondary cores, and the method comprises the following steps: the primary core receives log information reported to the primary core by the secondary cores through an inter-core communication channel; and the main core stores the received log information into different files corresponding to different secondary cores according to different secondary cores. The log information of the secondary cores is uniformly managed and stored through the primary core, so that the technical problem that when the plurality of secondary cores write the log information into the shared memory area at the same time, the plurality of secondary cores participate in competition for the same shared memory operation lock, the frequency of waiting for the shared memory operation lock is high, and the log management efficiency is low is solved.
Description
Technical Field
The present invention relates to the field of information processing, and in particular, to a log management method and system based on multi-core communication, and an electronic device.
Background
At present, a common scheme of a log management system in a multi-core environment is as follows: each core packs the log information recorded by the core, adds identification information such as a timestamp, a file and core information, stores the log information in a shared memory area, and reads the log information stored by each secondary core from the shared memory area by the primary core.
When the multiple secondary cores write the log information into the shared memory area at the same time, the log information can be written into the shared memory area only after the shared memory operation lock is released by other secondary cores. Moreover, the more the number of secondary cores is, the higher the frequency of the occurrence of the lock waiting for the shared memory operation is, and the lower the log management efficiency is.
Disclosure of Invention
The invention aims to provide a log management method, a log management system and electronic equipment based on multi-core communication, which are used for solving the technical problem of low log management efficiency caused by high frequency of waiting for a shared memory operation lock when a plurality of cores write log information into a shared memory area simultaneously in the prior art.
In order to achieve the above object, a first aspect of the embodiments of the present invention provides a log management method based on multi-core communication, which is applied to a multi-core communication log system, where the system includes a primary core and a plurality of secondary cores, and the method includes:
the primary core receives log information reported to the primary core by the secondary cores through an inter-core communication channel;
and the main core stores the received log information into different files corresponding to different secondary cores according to different secondary cores.
Optionally, the method further includes:
the primary core performs log configuration on the designated secondary core according to a system instruction or a user instruction;
and the main core transmits the log configuration to the appointed secondary core by using the inter-core communication channel.
Optionally, the log configuration includes log level configuration, reporting period configuration, maximum reporting information length configuration, and reporting switch configuration; the configurable log level types in the log level configuration comprise one or more of debugging, tracing, information, warning, error and serious error; the reporting period configuration is used for configuring the designated secondary core to report the log information to the primary core according to a designated time period; the maximum reported information length configuration is used for configuring the appointed secondary core to report the log information to the primary core according to the data length not exceeding the appointed length; the reporting switch is configured to configure whether to report the log information of the designated secondary core to the primary core.
A second aspect of the embodiments of the present invention provides a log management method based on multi-core communication, which is applied to a multi-core communication log system, where the system includes a primary core and multiple secondary cores, and includes:
the secondary core acquires log information generated by each kernel program and stores the log information into a corresponding buffer area;
the secondary core regularly and quantitatively reads the log information of the buffer area and judges whether the reporting condition of the log information is met or not;
if yes, the secondary core reports the log information to the primary core by using an inter-core communication channel.
Optionally, the determining whether the condition for reporting the log information is met includes:
judging whether effective log information exists in the buffer area or not; if yes, judging whether the current time meets the time of periodic reporting;
if yes, reporting the effective log information to the main core by using the inter-core communication channel.
Optionally, after the secondary core reports the valid log information to the primary core by using the inter-core communication channel, the method further includes:
judging whether the effective log information is uploaded successfully or not;
if the log information is successful, updating the buffer area, and removing the effective log information which is successfully uploaded from the buffer area; and if the log information fails to be uploaded, the effective log information which fails to be uploaded is reserved in the buffer area.
Optionally, the method further includes:
and performing storage management on the buffer area according to a first-in first-out principle, and when the space of the buffer area is full, automatically deleting part of old log information to release the storage space of the buffer area for storing new log information.
Optionally, the method further includes:
the secondary core receives the log configuration transmitted by the primary core through the inter-core communication channel; the log configuration comprises log grade configuration, reporting period configuration, maximum reporting information length configuration and reporting switch configuration;
and the secondary core stores and reports the acquired log information according to the log configuration.
A third aspect of the embodiments of the present invention provides a multi-core communication log system, where the system includes a primary core and multiple secondary cores, and the system includes a primary core log management module and multiple secondary core log modules;
the secondary core log module is used for acquiring log information generated by a program on the secondary core and reporting the log information to the main core by utilizing an inter-core communication channel;
the primary core log management module is used for receiving the log information reported by the plurality of secondary core log modules and storing the received log information into a file corresponding to the secondary core.
A fourth aspect of an embodiment of the present invention provides an electronic device, including:
a memory having a computer program stored thereon;
a processor for executing the computer program in the memory to implement the steps of the method of the first or second aspect.
One or more technical solutions in the embodiments of the present invention at least have the following technical effects or advantages:
in the scheme of the embodiment of the invention, after the plurality of secondary cores generate the log information, the log information is reported to the primary core, and the primary core stores the received log information into a file corresponding to the secondary core according to different secondary cores. The log information of the secondary cores is uniformly managed and stored through the primary core, so that the technical problem that when the plurality of secondary cores write the log information into the shared memory area at the same time, the plurality of secondary cores participate in competition for the same shared memory operation lock, the frequency of waiting for the shared memory operation lock is high, and the log management efficiency is low is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise:
FIG. 1 is a schematic diagram of a multi-core communication log system shown in accordance with an exemplary embodiment;
FIG. 2 is a flowchart illustrating a method for multi-core communication based log management, according to an example embodiment;
FIG. 3 is a flowchart illustrating operation of a multi-core communication log system in accordance with an illustrative embodiment;
FIG. 4 is a flowchart illustrating master core log management in accordance with an illustrative embodiment;
FIG. 5 is a flowchart illustrating secondary core n log management in accordance with an illustrative embodiment;
FIG. 6 is a block diagram illustrating an electronic device in accordance with an example embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In this specification, first, a system configuration of the multi-core communication log system and functions of each component will be described.
Referring to fig. 1, fig. 1 is a schematic structural diagram illustrating a multi-core communication log system according to an exemplary embodiment. The system comprises a primary core log management module and secondary core 1, 2 and 3 … … n log modules.
The primary core log management module is responsible for analyzing and storing the log information uploaded by the secondary core, and in the step of analyzing and storing the log information, the log information is stored in different files according to the difference of the secondary core. In other embodiments, the primary core log management module may further add custom flag information, such as secondary core information and receiving time, according to the log information uploaded by the secondary core.
The main core log management module is also responsible for configuring a secondary core log module, in the main core, the log grade required to be reported by each secondary core can be configured, the reporting period of log information can be configured, the maximum data length reported by the log information can be configured, whether the log information reported by each secondary core is reported to the main core or not can be configured, and the like.
For the secondary core log module, each secondary core runs an independent log module and is mainly responsible for collecting, processing and reporting the log information in the current processor and executing the log configuration issued by the primary core to the secondary core.
Next, a log management method based on multi-core communication according to an embodiment of the present invention will be described with reference to the drawings.
Referring to fig. 2, a flowchart illustrating a log management method based on multi-core communication according to an exemplary embodiment is shown. The method comprises the following steps.
In the scheme, after the plurality of secondary cores generate the log information, the log information is reported to the main core, and the main core stores the received log information into different files corresponding to different secondary cores according to different secondary cores. The log information of the secondary cores is uniformly managed and stored through the primary core, so that the technical problem that the log management efficiency is low due to the fact that the frequency of waiting for the shared memory operation lock is high when the secondary cores write the log information into the shared memory area simultaneously is avoided, and the log management efficiency can be effectively improved.
Referring to fig. 3, fig. 3 is a flowchart illustrating an operation of a multi-core communication log system according to an exemplary embodiment, and two parts of the system are described in this specification, including a primary core log management module and a secondary core log module.
In the embodiment of the present invention, after the system is started, step 301 and step 302 are performed.
in step 302, the secondary core runs an inter-core communication and logging module program.
Referring then to FIG. 4, FIG. 4 is a flow diagram illustrating master core log management, according to an example embodiment. After the system is started, the method comprises the following steps.
in step 404, the master checks analyze and process the log information content.
According to different secondary cores, the primary core stores the received log information into different files, thereby avoiding log information confusion, reducing the use frequency of a read-write operation lock on the same file and improving the log management efficiency.
In step 405, the primary core waits for a system instruction or a user instruction to perform log configuration on the designated secondary core n.
And step 406, sending the log configuration to the secondary core through the inter-core communication channel.
In step 406, the log configuration includes log level configuration, reporting period configuration, maximum reporting information length configuration, and reporting switch configuration. The log level configuration can set the log information level according with the storage, and the configurable log level types comprise: debug (debug), info (info), trace (trace), warning (war), error (error), and critical error (false). In the embodiment of the present invention, the level classification of the log information may add and modify different levels, which is not limited in the present invention. The log reporting period configuration is used for configuring the secondary core to report log information to the primary core according to a specified time period; the configuration of the maximum reporting information length of the log is used for configuring the secondary core to report the log information to the primary core according to the length of data not exceeding the specified length; the reporting switch configuration can set a log reporting switch, and configure whether to report the log information of the secondary core to the primary core.
Generally, if each core adopts a method capable of independently managing log output level limits, that is, when log output level limits need to be modified, switching to the core for modifying the configuration file is required, and this method lacks flexibility in configuration modification. If all the level type log information is output and stored by default, the memory space is wasted. In the embodiment of the invention, under the multi-core heterogeneous processor, the main core can uniformly manage the log configuration of all the secondary cores, thereby increasing the flexibility of log management and effectively utilizing the memory space.
Referring to fig. 5, fig. 5 is a flowchart illustrating a secondary core n log management according to an embodiment of the present invention. After the system is started, the method comprises the following steps.
in step 503, the secondary core n waits for other modules to call the log module to generate log information. It is determined whether log information is generated, and if so, the process proceeds to step 504.
And 505, temporarily caching the log information, and storing the log information into a buffer area special for the log module.
In the embodiment of the invention, the buffer area is subjected to storage management according to a first-in first-out principle, and a mutual exclusion lock is added for the access of the buffer area, so that the resource safety of the buffer area is ensured. When the buffer space is full, a sufficient amount of old log information is automatically deleted to provide enough buffer space to store new log information. When the log information is deleted, the whole log information deleting principle is followed, and the problem that the single log information in the buffer area is incomplete is effectively avoided.
In the embodiment of the invention, under the multi-core heterogeneous processor, the log buffer management mechanism in the secondary core and the storage and the extraction of the buffer can both ensure the integrity of log information.
In step 506, the log module periodically and quantitatively reads the data in the buffer. Then, step 507 is entered. In the embodiment of the invention, under the multi-core heterogeneous processor, a log information reporting mechanism with fixed time and quantity can reduce the reading and writing frequency of the log storage file and optimize the efficiency of the processor. The method avoids the waste of processor resources caused by frequent reading and writing of the shared memory by adopting a mode of storing the log information one by one.
And step 507, judging whether the log information reporting condition is met. When no valid log information is available in the buffer, the process returns to step 503, and the log module continues to wait for the generation of log information. When there is valid log information in the buffer and the current time meets the time reported periodically, step 508 is entered.
And step 508, uploading the part of effective log information to a log management system of the main core by using an inter-core communication channel. After the upload operation is performed, step 509 is entered.
In step 509, it is determined whether the log information is uploaded successfully. If successful, go to step 510. If the log information is failed to be uploaded, the buffer area is not updated, the step 503 is directly returned, and the part of the log information which is failed to be uploaded still remains in the buffer area, so that the data is ensured not to be lost. The log information retained in the buffer may wait for the next upload.
And step 512, analyzing and executing the new log configuration, and after the setting of the log configuration is finished, storing and uploading the log information according to the log configuration.
Fig. 6 is a block diagram illustrating an electronic device 600 according to an example embodiment. As shown in fig. 6, the electronic device 600 may include: a processor 601 and a memory 602. The electronic device 600 may also include one or more of a multimedia component 603, an input/output (I/O) interface 604, and a communications component 605.
The processor 601 is a multi-core heterogeneous processor, and the processor 601 is configured to control the overall operation of the electronic device 600, so as to complete all or part of the steps in the log management method based on multi-core communication. The memory 602 is used to store various types of data to support operation at the electronic device 600, such as instructions for any application or method operating on the electronic device 600 and application-related data, such as contact data, transmitted and received messages, pictures, audio, video, and so forth. The Memory 602 may be implemented by any type of volatile or non-volatile Memory device or combination thereof, such as Static Random Access Memory (SRAM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Erasable Programmable Read-Only Memory (EPROM), Programmable Read-Only Memory (PROM), Read-Only Memory (ROM), magnetic Memory, flash Memory, magnetic disk or optical disk. The multimedia components 603 may include a screen and audio components. Wherein the screen may be, for example, a touch screen and the audio component is used for outputting and/or inputting audio signals. For example, the audio component may include a microphone for receiving external audio signals. The received audio signal may further be stored in the memory 602 or transmitted through the communication component 605. The audio assembly also includes at least one speaker for outputting audio signals. The I/O interface 604 provides an interface between the processor 601 and other interface modules, such as a keyboard, mouse, buttons, etc. These buttons may be virtual buttons or physical buttons. The communication component 605 is used for wired or wireless communication between the electronic device 600 and other devices. Wireless Communication, such as Wi-Fi, bluetooth, Near Field Communication (NFC for short), 2G, 3G, 4G, NB-IOT, eMTC, or other 5G, etc., or a combination of one or more of them, which is not limited herein. The corresponding communication component 605 may therefore include: Wi-Fi module, Bluetooth module, NFC module, etc.
In an exemplary embodiment, the electronic Device 600 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components for performing the above-described log management method based on multi-core communication.
In another exemplary embodiment, a computer readable storage medium including program instructions, which when executed by a processor, implement the steps of the above-mentioned multi-core communication-based log management method, is also provided. For example, the computer readable storage medium may be the memory 602 including the program instructions, which are executable by the processor 601 of the electronic device 600 to perform the log management method based on multi-core communication described above.
In another exemplary embodiment, a computer program product is also provided, which comprises a computer program executable by a programmable apparatus, the computer program having code portions for performing the above-mentioned multi-core communication based log management method when executed by the programmable apparatus.
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (10)
1. A log management method based on multi-core communication is applied to a multi-core communication log system, the system comprises a main core and a plurality of secondary cores, and the method is characterized by comprising the following steps:
the primary core receives log information reported to the primary core by the plurality of secondary cores through an inter-core communication channel;
and the main core stores the received log information into different files corresponding to different secondary cores according to different secondary cores.
2. The method of claim 1, wherein the method further comprises:
the primary core performs log configuration on the designated secondary core according to a system instruction or a user instruction;
and the main core transmits the log configuration to the appointed secondary core by using the inter-core communication channel.
3. The method of claim 2, wherein the log configuration comprises a log level configuration, a reporting period configuration, a maximum reporting information length configuration, and a reporting switch configuration; the configurable log level types in the log level configuration comprise one or more of debugging, tracing, information, warning, error and serious error; the reporting period configuration is used for configuring the designated secondary core to report the log information to the primary core according to a designated time period; the maximum reported information length configuration is used for configuring the appointed secondary core to report the log information to the primary core according to the data length not exceeding the appointed length; the reporting switch is configured to configure whether to report the log information of the designated secondary core to the primary core.
4. A log management method based on multi-core communication is applied to a multi-core communication log system, the system comprises a main core and a plurality of secondary cores, and the log management method is characterized by comprising the following steps:
the secondary core acquires log information generated by each kernel program and stores the log information into a corresponding buffer area;
the secondary core regularly and quantitatively reads the log information of the buffer area and judges whether the reporting condition of the log information is met or not;
if yes, the secondary core reports the log information to the primary core by using an inter-core communication channel.
5. The method of claim 4, wherein determining whether a condition for reporting log information is satisfied comprises:
judging whether effective log information exists in the buffer area or not; if yes, judging whether the current time meets the time of periodic reporting;
if yes, reporting the effective log information to the main core by using the inter-core communication channel.
6. The method of claim 4, wherein after the secondary core reports the valid log information to the primary core using the inter-core communication channel, the method further comprises:
judging whether the effective log information is uploaded successfully or not;
if the log information is successful, updating the buffer area, and removing the effective log information which is successfully uploaded from the buffer area; and if the log fails to be uploaded, the effective log information which fails to be uploaded is reserved in the buffer area.
7. The method of claim 5, wherein the method further comprises:
and performing storage management on the buffer area according to a first-in first-out principle, and when the space of the buffer area is full, automatically deleting part of old log information to release the storage space of the buffer area for storing new log information.
8. The method of claim 4, wherein the method further comprises:
the secondary core receives the log configuration transmitted by the primary core through the inter-core communication channel; the log configuration comprises log grade configuration, reporting period configuration, maximum reporting information length configuration and reporting switch configuration;
and the secondary core stores and reports the acquired log information according to the log configuration.
9. A multi-core communication log system comprises a main core and a plurality of secondary cores, and is characterized in that the system comprises a main core log management module and a plurality of secondary core log modules;
the secondary core log module is used for acquiring log information generated by a program on the secondary core and reporting the log information to the main core by utilizing an inter-core communication channel;
the primary core log management module is used for receiving the log information reported by the plurality of secondary core log modules and storing the received log information into different files corresponding to different secondary cores.
10. An electronic device, comprising:
a memory having a computer program stored thereon;
a processor for executing the computer program in the memory to carry out the steps of the method of any one of claims 1 to 8.
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