CN115220668A - Log printing method and device, electronic equipment and computer readable storage medium - Google Patents

Log printing method and device, electronic equipment and computer readable storage medium Download PDF

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Publication number
CN115220668A
CN115220668A CN202210881509.6A CN202210881509A CN115220668A CN 115220668 A CN115220668 A CN 115220668A CN 202210881509 A CN202210881509 A CN 202210881509A CN 115220668 A CN115220668 A CN 115220668A
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China
Prior art keywords
printing
establishing
name
log
function
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Inventor
葛未华
张英堂
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Beijing Zhanyue Xinzhi Technology Co ltd
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Beijing Zhanyue Xinzhi Technology Co ltd
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Priority to CN202210881509.6A priority Critical patent/CN115220668A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
    • G06F3/1211—Improving printing performance
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
    • G06F3/1237—Print job management
    • G06F3/1244—Job translation or job parsing, e.g. page banding
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1278—Dedicated interfaces to print systems specifically adapted to adopt a particular infrastructure
    • G06F3/1284—Local printer device

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Debugging And Monitoring (AREA)

Abstract

The disclosure provides a log printing method and printing apparatus, an electronic device, and a computer-readable storage medium. The method comprises the following steps: establishing a mapping table of the type of the printing log and the output character; responding to the existence of logs to be printed in other tasks, notifying the print tasks by calling an interface function of the print tasks, finding out corresponding actual output characters from the mapping table according to the actual types of the logs to be printed, and printing the actual output characters; and outputting the printed character content. The log printing method effectively reduces the number of printed characters, reduces the possibility that the log printing operation affects other tasks of the system, can greatly improve the log printing efficiency, reduces the time consumed by log printing, and avoids the problem caused by long time consumed by the printing operation.

Description

Log printing method and device, electronic equipment and computer readable storage medium
Technical Field
The disclosure belongs to the technical field of computers, and particularly relates to a log printing method and device, an electronic device and a computer-readable storage medium.
Background
In embedded software systems today, there are usually many tasks being executed in an order from high to low priority. Some of these tasks need to be printed to the outside through a hardware interface in the embedded system, and developers use these logs to know the operating state inside the system. However, the operation of printing the log takes a certain time, and if the printing operation is not planned effectively, the unordered log printing operation affects other tasks of the system, and if the printing operation is not planned effectively, the response is slow, and if the printing operation is heavy, the system cannot work normally.
Disclosure of Invention
The present disclosure is directed to at least one of the technical problems in the prior art, and provides a log printing method and apparatus, an electronic device, and a computer-readable storage medium.
In one aspect of the present disclosure, there is provided a log printing method, including:
establishing a mapping table of the type of the printing log and the output character;
responding to the existence of logs to be printed in other tasks, notifying the printing task by calling an interface function of the printing task, finding out corresponding actual output characters from the mapping table according to the actual type of the logs to be printed, and printing the actual output characters;
and outputting the printed character content.
In some embodiments, the type of the print log comprises a query register value; the establishing of the mapping table of the types of the printing logs and the output characters comprises the following steps:
and establishing a mapping relation according to the register name and the relative position of the register name in the register list.
In some embodiments, the type of the print log includes showing that the program runs to a certain function; the establishing of the mapping table of the types of the printing logs and the output characters comprises the following steps:
and establishing a mapping relation according to the function name and the relative position of the function name in the compiled function list.
In some embodiments, the type of the print log comprises a query variable value, wherein a variable comprises a global variable;
the establishing of the mapping table of the types of the printing logs and the output characters comprises the following steps:
and establishing a mapping relation according to the global variable name and the relative position of the global variable name in the global variable list.
In some embodiments, the variables further include local variables; the establishing of the mapping table of the types of the printing logs and the output characters comprises the following steps:
and establishing a mapping relation according to the function name corresponding to the local variable name and the sequence defined in the function.
In some embodiments, the type of the log includes a hint that some error occurred; the establishing of the mapping table of the types of the printing logs and the output characters comprises the following steps:
and establishing a mapping relation according to the error name and the corresponding error code.
In another aspect of the present disclosure, there is provided a log printing apparatus, the apparatus including:
the establishing module is used for establishing a mapping table of the type of the printing log and the output character;
the printing module is used for responding to the existence of logs to be printed in other tasks, notifying the printing task by calling an interface function of the printing task, finding out corresponding actual output characters from the mapping table according to the actual type of the logs to be printed, and printing the actual output characters;
and the output module is used for outputting the printed character content.
In some embodiments, the type of the print log comprises a query register value; the establishing module is specifically further configured to: and establishing a mapping relation according to the register name and the relative position of the register name in the register list.
In some embodiments, the type of print log includes a display program running to a function; the establishing module is specifically further configured to: and establishing a mapping relation according to the function name and the relative position of the function name in the compiled function list.
In some embodiments, the type of the print log comprises a query variable value, wherein a variable comprises a global variable and/or a local variable; the establishing module is specifically further configured to: and establishing a mapping relation according to the global variable name and the relative position of the global variable name in the global variable list.
In some embodiments, the variables further include local variables; the establishing module is specifically further configured to establish a mapping relationship according to the function name corresponding to the local variable name and the sequence defined in the function.
In some embodiments, the type of log includes a hint that some error occurred; the establishing module is specifically further configured to: and establishing a mapping relation according to the error name and the corresponding error code.
Another aspect of the present disclosure provides an electronic device, including:
one or more processors;
a storage unit for storing one or more programs which, when executed by the one or more processors, enable the one or more processors to implement the method according to the preceding description.
In another aspect of the present disclosure, a computer-readable storage medium is provided, on which a computer program is stored, which computer program, when being executed by a processor, is capable of carrying out the method according to the above-mentioned.
According to the log printing method and device, the electronic equipment and the computer readable storage medium, the mapping table of each type of the print log and the output character is established before printing, and then when the log to be printed exists, the corresponding actual output character can be found out from the mapping table according to the actual type of the log to be printed and output, so that the number of the printed characters is effectively reduced, the possibility that log printing operation affects other tasks of a system is reduced, the log printing efficiency can be greatly improved, the time consumed by log printing is reduced, and the problem caused by long time consumption of the printing operation is avoided.
Drawings
FIG. 1 is a block diagram schematically illustrating components of an electronic device according to an embodiment of the disclosure
FIG. 2 is a flow chart of a method of printing a log according to another embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a log printing apparatus according to another embodiment of the present disclosure.
Detailed Description
For a better understanding of the technical aspects of the present disclosure, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
First, an example electronic device for implementing the apparatus and methods of embodiments of the present disclosure is described with reference to fig. 1.
As shown in FIG. 1, electronic device 100 includes one or more processors 110, one or more memory devices 120, one or more input devices 130, one or more output devices 140, and the like, interconnected by a bus system 150 and/or other form of connection mechanism. It should be noted that the components and configuration of the electronic device shown in fig. 1 are exemplary only, and not limiting, and the electronic device may have other components and configurations as desired.
Processor 110 may be a Central Processing Unit (CPU), or other form of processing unit having data processing capabilities and/or instruction execution capabilities, and may control other components in electronic device 100 to perform desired functions.
Storage 120 may include one or more computer program products that may include various forms of computer-readable storage media, such as volatile memory and/or non-volatile memory. The volatile memory may include, for example, random Access Memory (RAM), cache memory (cache), and/or the like. The non-volatile memory may include, for example, read Only Memory (ROM), hard disk, flash memory, etc. On which one or more computer program instructions may be stored that a processor may execute to implement the client functionality (implemented by the processor) in the embodiments of the disclosure described below and/or other desired functionality. Various applications and various data, such as various data used and/or generated by the applications, may also be stored in the computer-readable storage medium.
The input device 130 may be a device used by a user to input instructions, and may include one or more of a keyboard, a mouse, a microphone, a touch screen, and the like.
The output device 140 may output various information (e.g., images or sounds) to the outside (e.g., a user), and may include one or more of a display, a speaker, and the like.
Next, a log printing method S200 according to an embodiment of the present disclosure, which may be applied to an embedded software system, will be described with reference to fig. 2.
Specifically, as shown in fig. 2, a method S200 for printing a log includes:
s210, establishing a mapping table of the type of the printing log and the output character.
Specifically, in this step, there are various types of print logs, and a mapping table between some types with high occurrence frequency and output characters may be established.
In one embodiment, the type of print log comprises a query register value; the establishing of the mapping table of the types of the printing logs and the output characters comprises the following steps: and establishing a mapping relation according to the register name and the relative position of the register name in the register list.
Specifically, in the present embodiment, in the embedded software system, the position of one register in all register lists in the whole system is fixed, and assuming that the position of the register XXX in the register list is a, when the log is printed, the register XXX can be uniquely represented by a.
In another embodiment, the type of the print log includes showing a program running to a function; the establishing of the mapping table of the types of the printing logs and the output characters comprises the following steps: and establishing a mapping relation according to the function name and the relative position of the function name in the compiled function list.
Specifically, in this embodiment, after the whole software is compiled, each function exists in the function list generated by compiling, and the position of a certain function in the function list is fixed and unchanged on the premise of not adding a new function or deleting an old function, and if the position of the function YYY in the function list is B, the function YYY can be uniquely represented by B when the log is printed.
In another embodiment, the type of the print log comprises a query variable value, wherein a variable comprises a global variable; the establishing of the mapping table of the types of the printing logs and the output characters comprises the following steps: and establishing a mapping relation according to the global variable name and the relative position of the global variable name in the global variable list.
Specifically, in this embodiment, after the program is compiled, the position of a global variable in the global variable list of the entire system is fixed, and if the position of the global variable ZZZ in the global variable list is C, the global variable ZZZ can be uniquely represented by C when the log is printed.
In another embodiment, the variables further include local variables; the establishing of the mapping table of the types of the printing logs and the output characters comprises the following steps: and establishing a mapping relation according to the function name corresponding to the local variable name and the sequence defined in the function.
Specifically, in this embodiment, after the program is compiled, a local variable can be uniquely determined by the function name and its defined sequence in this function, and assuming that the local variable PPP is defined by the nth function YYY, when the log is printed, the local variable PPP can be uniquely represented by the function map B corresponding to YYY and the defined sequence N, that is, the PPP can be represented by BN.
In another embodiment, the type of log includes a hint that some error occurred; the establishing of the mapping table of the types of the printing logs and the output characters comprises the following steps: and establishing a mapping relation according to the error name and the corresponding error code.
Specifically, in this embodiment, if the error code corresponding to the error EEE is Q, the error name EEE can be uniquely represented by Q when the log is printed.
In addition, in order to further reduce the number of printed characters, the present embodiment performs necessary deletion on the original characters of the print log, and combines the mapping relationship, so as to achieve the purpose of effectively reducing the printed characters.
S220, responding to the existence of logs to be printed in other tasks, notifying the print task by calling an interface function of the print task, finding out corresponding actual output characters from the mapping table according to the actual type of the logs to be printed, and printing the actual output characters.
Specifically, in this step, in one embodiment, when The register value needs to be queried through The log, the original character of The print information is "The value of register XXX is% x \ n", where XXX is The name of a register,% x is The value of a register, and \ n is The line feed character, and after mapping, the actual output character is "R% d% x \ n", where% d is The relative position of The register XXX in The entire system register list.
In another embodiment, when a function needs to be run through The log display program, the original character of The print information is "The function YYY is captured \ n", where YYY is The name of a function, \ n is The line feed, and after mapping, the actual output character is "F% d \ n", where% d is The relative position of The function YYY in The entire system function list.
In another embodiment, when a global variable value is required when it is executed by The log query program, the original character of The print information is "The value of global variable ZZZ is% x \ n", where ZZZ is The name of a global variable,% x is The value of this global variable, \ n is a line feed, and after mapping, the actual output character is "V% d% x \ n", where% d is The relative position of The global variable YYY in The entire system global variable list.
In another embodiment, when a value of a local variable is required to be executed by The log query program, the original character of The print information is "The value of local variable PPPis% x \ n", where PPP is The name of a local variable,% x is The value of The local variable, \\ n is a line feed, and after mapping, the actual output character is "VF% d% d% x \ n", where The first% d is The relative position of The function YYY where The local variable PPP is located in The entire system function list and The second% d is The order in which PPP is defined in YYY.
In another embodiment, when it is required to log that a certain error occurs, the original character of The print information is "The EEE error happens \ n", wherein EEE is The name of an error, and \ n is a line change character, and after mapping, the actually output character is "E% d \ n", wherein% d is The corresponding error code of The error EEE in The whole system.
And S230, outputting the printed character content.
According to the log printing method, the mapping table of each type of the print log and the output characters is established before printing, and then when the log to be printed exists, the corresponding actual output characters can be found from the mapping table according to the actual type of the log to be printed and output, so that the number of the printed characters is effectively reduced, the possibility that log printing operation affects other tasks of a system is reduced, the log printing efficiency can be greatly improved, the time consumed by log printing is reduced, and the problem caused by long time consumption of the printing operation is avoided.
In another aspect of the present disclosure, as shown in fig. 3, a log printing apparatus 300 is provided, where the apparatus 300 may be applied to the log printing method described above, and for details, reference may be made to the related description, which is not repeated herein. The apparatus 300 comprises:
the establishing module 310 is configured to establish a mapping table between the type of the print log and the output character;
the printing module 320 is configured to respond to the existence of a log to be printed in other tasks, notify the print task by calling an interface function of the print task, find out a corresponding actual output character from the mapping table according to an actual type of the log to be printed, and print the actual output character;
and an output module 330, configured to output the printed character content.
The log printing device of the embodiment of the disclosure establishes the mapping table of each type of the printing log and the output character before printing, and when the log to be printed exists subsequently, the corresponding actual output character can be found from the mapping table according to the actual type of the log to be printed and printed out, so that the number of the printed characters is effectively reduced, the possibility that other tasks of the system are affected by the log printing operation is reduced, the log printing efficiency can be greatly improved, the time consumed by log printing is reduced, and the problem caused by long time consumption of the printing operation is avoided.
In some embodiments, as shown in FIG. 3, the type of print log includes a query register value; the establishing module 310 is further specifically configured to: and establishing a mapping relation according to the register name and the relative position of the register name in the register list.
In some embodiments, as shown in FIG. 3, the type of print log includes showing a program running to a function; the establishing module 310 is further configured to: and establishing a mapping relation according to the function name and the relative position of the function name in the compiled function list.
In some embodiments, as shown in fig. 3, the type of the print log includes a query variable value, wherein a variable includes a global variable and/or a local variable; the establishing module 310 is further configured to: and establishing a mapping relation according to the global variable name and the relative position of the global variable name in the global variable list.
In some embodiments, as shown in fig. 3, the variables further include local variables; the establishing module 310 is further configured to establish a mapping relationship according to the function name corresponding to the local variable name and the sequence defined in the function.
In some embodiments, as shown in FIG. 3, the type of log includes a hint that some error occurred; the establishing module 310 is further specifically configured to: and establishing a mapping relation according to the error name and the corresponding error code.
In another aspect of the disclosure, an electronic device is provided that includes one or more processors; a storage unit for storing one or more programs which, when executed by the one or more processors, enable the one or more processors to implement the method according to the preceding description.
In another aspect of the disclosure, a computer-readable storage medium is provided, on which a computer program is stored, which, when being executed by a processor, is adapted to carry out the method according to the above.
The computer readable storage medium may be any tangible medium that can contain or store a program, and may be an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, device, more specific examples include but are not limited to: a portable computer diskette, a hard disk, an optical fiber, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination thereof.
The computer readable storage medium may also include a propagated data signal with computer readable program code embodied therein, for example, in a non-transitory form, such as in a carrier wave or in a carrier wave, wherein the carrier wave is any suitable carrier wave or carrier wave for carrying the program code.
It is to be understood that the above embodiments are merely exemplary embodiments that are employed to illustrate the principles of the present disclosure, and that the present disclosure is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the disclosure, and these are to be considered as the scope of the disclosure.

Claims (10)

1. A method of printing a log, the method comprising:
establishing a mapping table of the type of the printing log and the output character;
responding to the existence of logs to be printed in other tasks, notifying the printing task by calling an interface function of the printing task, finding out corresponding actual output characters from the mapping table according to the actual type of the logs to be printed, and printing the actual output characters;
and outputting the printed character content.
2. The method of claim 1, wherein the type of the print log comprises a query register value; the establishing of the mapping table of the types of the printing logs and the output characters comprises the following steps:
and establishing a mapping relation according to the register name and the relative position of the register name in the register list.
3. The method of claim 1, wherein the type of the print log comprises showing a program running to a function; the establishing of the mapping table of the types of the printing logs and the output characters comprises the following steps:
and establishing a mapping relation according to the function name and the relative position of the function name in the compiled function list.
4. The method of claim 1, wherein the type of the print log comprises a query variable value, wherein a variable comprises a global variable;
the establishing of the mapping table of the types of the printing logs and the output characters comprises the following steps:
and establishing a mapping relation according to the global variable name and the relative position of the global variable name in the global variable list.
5. The method of claim 4, wherein the variables further comprise local variables; the establishing of the mapping table of the types of the printing logs and the output characters comprises the following steps:
and establishing a mapping relation according to the function name corresponding to the local variable name and the sequence defined in the function.
6. The method of claim 1, wherein the type of the log comprises a hint that some error occurred; the establishing of the mapping table of the types of the printing logs and the output characters comprises the following steps:
and establishing a mapping relation according to the error name and the corresponding error code.
7. A log printing apparatus, characterized in that the apparatus comprises:
the establishing module is used for establishing a mapping table of the type of the printing log and the output character;
the printing module is used for responding to the existence of logs to be printed in other tasks, notifying the printing tasks by calling an interface function of the printing tasks, finding out corresponding actual output characters from the mapping table according to the actual types of the logs to be printed, and printing the actual output characters;
and the output module is used for outputting the printed character content.
8. The apparatus of claim 7,
the type of the print log comprises a query register value; the establishing module is specifically further configured to: establishing a mapping relation according to the register name and the relative position of the register name in the register list;
and/or the presence of a gas in the atmosphere,
the type of the printing log comprises that a display program runs to a certain function; the establishing module is specifically further configured to: establishing a mapping relation according to the function name and the relative position of the function name in the compiled function list;
and/or the presence of a gas in the gas,
the type of the printing log comprises a query variable value, wherein a variable comprises a global variable and/or a local variable; the establishing module is specifically further configured to: establishing a mapping relation according to the global variable name and the relative position of the global variable name in a global variable list, and/or establishing a mapping relation according to the function name corresponding to the local variable name and the sequence defined in the function;
and/or the presence of a gas in the atmosphere,
the type of the log comprises prompting that a certain error occurs; the establishing module is specifically further configured to: and establishing a mapping relation according to the error name and the corresponding error code.
9. An electronic device, comprising:
one or more processors;
a storage unit to store one or more programs that, when executed by the one or more processors, cause the one or more processors to implement the method of any of claims 1 to 6.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, is adapted to carry out the method according to any one of claims 1 to 6.
CN202210881509.6A 2022-07-26 2022-07-26 Log printing method and device, electronic equipment and computer readable storage medium Pending CN115220668A (en)

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CN202210881509.6A CN115220668A (en) 2022-07-26 2022-07-26 Log printing method and device, electronic equipment and computer readable storage medium

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Application Number Priority Date Filing Date Title
CN202210881509.6A CN115220668A (en) 2022-07-26 2022-07-26 Log printing method and device, electronic equipment and computer readable storage medium

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Publication Number Publication Date
CN115220668A true CN115220668A (en) 2022-10-21

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