CN111258664A - Method, system, terminal and storage medium for completely acquiring memory serial number - Google Patents
Method, system, terminal and storage medium for completely acquiring memory serial number Download PDFInfo
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- CN111258664A CN111258664A CN202010060597.4A CN202010060597A CN111258664A CN 111258664 A CN111258664 A CN 111258664A CN 202010060597 A CN202010060597 A CN 202010060597A CN 111258664 A CN111258664 A CN 111258664A
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- 238000012986 modification Methods 0.000 claims description 11
- 230000004048 modification Effects 0.000 claims description 11
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- 230000000694 effects Effects 0.000 claims description 5
- 238000004590 computer program Methods 0.000 claims description 3
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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Abstract
The invention provides a method, a system, a terminal and a storage medium for completely acquiring a memory serial number, wherein the method comprises the following steps: closing thermal thrattling service by modifying BIOS configuration; creating a mapping file of the memory sub-address; searching a corresponding memory serial number position according to a bus value in the PCI; and reading the memory serial number from the mapping file according to the memory serial number position and the memory serial number byte sequence. The invention can automatically read the complete memory serial number without manual scanning by an operator in the assembly stage, thereby improving the assembly efficiency and saving the labor cost; and complete memory serial number information can be obtained, and the functions of effectively recording, positioning and tracing the memory can be achieved.
Description
Technical Field
The invention relates to the technical field of servers, in particular to a method, a system, a terminal and a storage medium for completely acquiring a memory serial number.
Background
A Memory (Memory), also called an internal Memory and a main Memory, is used to temporarily store operation data in a CPU and data exchanged with an external Memory such as a hard disk, and is a bridge for communicating with the CPU through other components, and all programs in a computer are operated in the Memory. As long as the computer is in operation, the CPU transfers data to be operated into the memory for operation, and the CPU transmits the result after the operation is finished, so that the performance of the memory has great influence on the computer, the operation of the memory also determines the stable operation of the computer, the use and the control of the memory bank are very important in a server manufacturer, the memory slot position and the serial number of each server need to be recorded in detail, and the maintenance and the positioning of a factory, the tracing of a client and the like are facilitated. At present, there are two methods for recording the memory serial number, one is to manually scan in the assembly stage, that is, develop a corresponding function in a factory production field management system (SFCS), prompt an operator to manually scan a label attached to a memory bank to obtain the memory serial number, and establish a binding relationship with the serial number of the whole machine, and the other is to obtain the memory serial number by reading information in the SMBIOS, but the memory serial number displayed in the SMBIOS has only 8 bits, and normally has more than 15 or 18 bits, so that only 8 bits cannot completely locate the memory bank.
Therefore, the current method for acquiring the memory serial number has the problems of low efficiency of manual operation and incomplete acquisition of the memory serial number.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, the present invention provides a method, a system, a terminal and a storage medium for completely acquiring a memory serial number, so as to solve the above-mentioned technical problems.
In a first aspect, the present invention provides a method for completely acquiring a memory serial number, including:
closing thermal thrattling service by modifying BIOS configuration;
creating a mapping file of the memory sub-address;
searching a corresponding memory serial number position according to a bus value in the PCI;
and reading the memory serial number from the mapping file according to the memory serial number position and the memory serial number byte sequence.
Further, the closing of the thermal locking service by modifying the BIOS configuration includes:
exporting the BIOS setting items by using a tool SCELNX _64, and saving the BIOS setting items as a BIOS setting item file;
changing the Options state of the Throttling Mode item in the BIOS setting item file into a Disable state;
and importing the modified BIOS setting item file into the BIOS setting, and restarting the server to enable the BIOS setting to take effect.
Further, the finding a corresponding memory serial number position according to a bus value in the PCI includes:
acquiring first bus information and second bus information in the PCI;
reading configuration space data corresponding to the second bus and confirming that memory hardware exists;
and positioning the bus information in a read data area of the mapping file according to the first bus information.
Further, the reading the memory sequence number from the mapping file according to the memory sequence number position and the memory sequence number byte sequence includes:
circularly and progressively reading the data of the mapping file from the memory serial number position;
and storing and integrating the byte string value read each time.
Further, after reading the memory serial number, the method further includes:
the thermal throttling service is opened by restoring the configuration of the BIOS.
In a second aspect, the present invention provides a system for completely acquiring a memory serial number, including:
the option modification unit is configured to close the thermal thrattling service by modifying the BIOS configuration;
the mapping creation unit is used for configuring a mapping file for creating the memory sub-address;
the position searching unit is configured to search a corresponding memory serial number position according to a bus value in the PCI;
and the sequence reading unit is configured to read the memory serial number from the mapping file according to the memory serial number position and the memory serial number byte sequence.
Further, the option modification unit includes:
the file export module is configured for exporting the BIOS setting items by using a tool SCELNX _64 and saving the BIOS setting items as a BIOS setting item file;
the file modification module is configured to modify the Options state of the Throttling Mode item in the BIOS setting item file into a Disable state;
and the file import module is configured to import the modified BIOS setting item file into the BIOS setting, and restart the server to enable the BIOS setting to take effect.
Further, the location finding unit includes:
the bus obtaining module is configured to obtain first bus information and second bus information in the PCI;
the memory checking module is configured to read configuration space data corresponding to the second bus and confirm that memory hardware exists;
and the position generating module is configured to be positioned in the read data area of the mapping file according to the first bus information.
In a third aspect, a terminal is provided, including:
a processor, a memory, wherein,
the memory is used for storing a computer program which,
the processor is used for calling and running the computer program from the memory so as to make the terminal execute the method of the terminal.
In a fourth aspect, a computer storage medium is provided having stored therein instructions that, when executed on a computer, cause the computer to perform the method of the above aspects.
The beneficial effect of the invention is that,
according to the method, the system, the terminal and the storage medium for completely acquiring the memory serial number, provided by the invention, the thermal thratting service is closed by automatically modifying the BIOS option value, the mapping file of the memory sub-address is created to realize the quick reading of the memory information, the memory serial number is positioned according to the bus value read in the PCI, and the complete memory serial number can be read from the mapping file of the memory sub-address according to the positioning information and the special attribute of the memory serial number. The invention can automatically read the complete memory serial number without manual scanning by an operator in the assembly stage, thereby improving the assembly efficiency and saving the labor cost; and complete memory serial number information can be obtained, and the functions of effectively recording, positioning and tracing the memory can be achieved.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic flow diagram of a method of one embodiment of the invention.
FIG. 2 is a schematic block diagram of a system of one embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all 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.
The terms in which the invention appears are to be construed.
PCI is an abbreviation for Peripheral Component Interconnect (Peripheral Component Interconnect), which is currently the most widely used interface in personal computers.
FIG. 1 is a schematic flow diagram of a method of one embodiment of the invention. The execution subject in fig. 1 may be a system for completely acquiring a memory serial number.
As shown in fig. 1, the method 100 includes:
In order to facilitate understanding of the present invention, the method for completely acquiring the memory serial number according to the present invention is further described below with reference to the principle of the method for completely acquiring the memory serial number according to the present invention and the process of completely acquiring the memory serial number in the embodiment.
Specifically, the method for completely acquiring the memory serial number includes:
s1, closing the thermal thrattling service by modifying the BIOS configuration.
Starting up to enter an operating system, compiling a script to modify BIOS setting, closing thermal Throttling, firstly, exporting BIOS setting items by using a tool SCELNX _64, commanding to SCELNX _6/o/s bios.txt, opening bios.txt, modifying Throttling Mode fields, speaking Options to Disable, then speaking BIOS setting import by using a command SCELNX _6/i/s bios.txt, and then controlling the machine to restart.
And S2, creating a mapping file of the memory sub-address.
Firstly, mapping a file (memory sub-address file) of "/sys/firmware/acpi/tables/MCFG" under a linux directory into "/dev/mem", and then performing read-write operation through the/dev/mem.
And S3, searching the corresponding memory serial number position according to the bus value in the PCI.
Traversing 256 bus numbers, reading the types of the cpus according to the bus/dev/fun, reading the values of the bus/dev/fun and 0xCC with an offset in the pci, shifting the values to the right by 8 bits, and performing AND operation on the values and 0xFF to obtain bus1, wherein the bus1 points to the storage position of the memory serial number in the mapping file; and then moving the bus to the right by 16 bits, performing AND operation with 0xFF to obtain a bus2, performing traversal circularly according to the sequence imc- > channel- > dimm, reading data in a configuration space corresponding to imc/channel/dimm under the bus2, and if the highest bit is 1, the reading is successful, namely, a memory exists under imc/channel/dimm.
And S4, reading the memory serial number from the mapping file according to the memory serial number position and the byte sequence of the memory serial number.
The SN of the memory is 9 bytes string data, the byte string value appointed in the SN is read according to the bus1, the byte sequence of the SN and the data area of the memory sub-address in the mapping "/dev/mem", 9 times of circulation are carried out, 1 is added to each byte sequence, and all the byte string values of the SN are obtained.
S5, modifying the BIOS setting, opening thermal locking, exporting the BIOS setting item by a tool SCELNX _64, wherein the command is SCELNX _6/o/S bios.txt, opening bios.txt, modifying the thread Mode field, speaking Options to CLTT, then speaking the BIOS setting item by the command SCELNX _6/i/S bios.txt, and then controlling the machine to restart and restore the BIOS setting.
As shown in fig. 2, the system 200 includes:
an option modification unit 210 configured to close the thermal thrattling service by modifying the BIOS configuration;
a mapping creating unit 220 configured to create a mapping file of the memory sub-address;
a location searching unit 230 configured to search a corresponding memory serial number location according to a bus value in the PCI;
a sequence reading unit 240 configured to read the memory sequence number from the mapping file according to the memory sequence number position and the memory sequence number byte order.
Optionally, as an embodiment of the present invention, the option modification unit includes:
the file export module is configured for exporting the BIOS setting items by using a tool SCELNX _64 and saving the BIOS setting items as a BIOS setting item file;
the file modification module is configured to modify the Options state of the Throttling Mode item in the BIOS setting item file into a Disable state;
and the file import module is configured to import the modified BIOS setting item file into the BIOS setting, and restart the server to enable the BIOS setting to take effect.
Optionally, as an embodiment of the present invention, the location finding unit includes:
the bus obtaining module is configured to obtain first bus information and second bus information in the PCI;
the memory checking module is configured to read configuration space data corresponding to the second bus and confirm that memory hardware exists;
and the position generating module is configured to be positioned in the read data area of the mapping file according to the first bus information.
Fig. 3 is a schematic structural diagram of a terminal system 300 according to an embodiment of the present invention, where the terminal system 300 may be used to execute the method for completely acquiring the memory serial number according to the embodiment of the present invention.
The terminal system 300 may include: a processor 310, a memory 320, and a communication unit 330. The components communicate via one or more buses, and those skilled in the art will appreciate that the architecture of the servers shown in the figures is not intended to be limiting, and may be a bus architecture, a star architecture, a combination of more or less components than those shown, or a different arrangement of components.
The memory 320 may be used for storing instructions executed by the processor 310, and the memory 320 may be implemented by any type of volatile or non-volatile storage terminal 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 executable instructions in memory 320, when executed by processor 310, enable terminal 300 to perform some or all of the steps in the method embodiments described below.
The processor 310 is a control center of the storage terminal, connects various parts of the entire electronic terminal using various interfaces and lines, and performs various functions of the electronic terminal and/or processes data by operating or executing software programs and/or modules stored in the memory 320 and calling data stored in the memory. The processor may be composed of an Integrated Circuit (IC), for example, a single packaged IC, or a plurality of packaged ICs connected with the same or different functions. For example, the processor 310 may include only a Central Processing Unit (CPU). In the embodiment of the present invention, the CPU may be a single operation core, or may include multiple operation cores.
A communication unit 330, configured to establish a communication channel so that the storage terminal can communicate with other terminals. And receiving user data sent by other terminals or sending the user data to other terminals.
The present invention also provides a computer storage medium, wherein the computer storage medium may store a program, and the program may include some or all of the steps in the embodiments provided by the present invention when executed. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM) or a Random Access Memory (RAM).
Therefore, the invention closes the thermal thrattling service by automatically modifying the BIOS option value, creates the mapping file of the memory sub-address to realize the rapid reading of the memory information, simultaneously positions the memory serial number according to the bus value read in the PCI, and can read the complete memory serial number from the mapping file of the memory sub-address according to the positioning information and the special attribute of the memory serial number. The invention can automatically read the complete memory serial number without manual scanning by an operator in the assembly stage, thereby improving the assembly efficiency and saving the labor cost; the complete memory serial number information can also be obtained, and the functions of effectively recording, positioning and tracing the memory can be achieved.
Those skilled in the art will readily appreciate that the techniques of the embodiments of the present invention may be implemented as software plus a required general purpose hardware platform. Based on such understanding, the technical solutions in the embodiments of the present invention may be embodied in the form of a software product, where the computer software product is stored in a storage medium, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and the like, and the storage medium can store program codes, and includes instructions for enabling a computer terminal (which may be a personal computer, a server, or a second terminal, a network terminal, and the like) to perform all or part of the steps of the method in the embodiments of the present invention.
The same and similar parts in the various embodiments in this specification may be referred to each other. Especially, for the terminal embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant points can be referred to the description in the method embodiment.
In the embodiments provided in the present invention, it should be understood that the disclosed system and method can be implemented in other ways. For example, the above-described system embodiments are merely illustrative, and for example, the division of the units is only one logical functional division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, systems or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for completely acquiring a memory serial number is characterized by comprising the following steps:
closing thermal thrattling service by modifying BIOS configuration;
creating a mapping file of the memory sub-address;
searching a corresponding memory serial number position according to a bus value in the PCI;
and reading the memory serial number from the mapping file according to the memory serial number position and the memory serial number byte sequence.
2. The method of claim 1, wherein closing the thermal shutdown service by modifying the BIOS configuration comprises:
exporting the BIOS setting items by using a tool SCELNX _64, and saving the BIOS setting items as a BIOS setting item file;
changing the Options state of the Throttling Mode item in the BIOS setting item file into a Disable state;
and importing the modified BIOS setting item file into the BIOS setting, and restarting the server to enable the BIOS setting to take effect.
3. The method of claim 1, wherein the finding the corresponding memory serial number location according to the bus value in the PCI comprises:
acquiring first bus information and second bus information in the PCI;
reading configuration space data corresponding to the second bus and confirming that memory hardware exists;
and positioning the bus information in a read data area of the mapping file according to the first bus information.
4. The method of claim 1, wherein reading the memory sequence number from the mapping file according to the memory sequence number location and the memory sequence number byte order comprises:
circularly and progressively reading the data of the mapping file from the memory serial number position;
and storing and integrating the byte string value read each time.
5. The method of claim 1, wherein after reading the memory sequence number, the method further comprises:
the thermal throttling service is opened by restoring the configuration of the BIOS.
6. A system for completely acquiring a memory serial number is characterized by comprising:
the option modification unit is configured to close the thermal thrattling service by modifying the BIOS configuration;
the mapping creation unit is used for configuring a mapping file for creating the memory sub-address;
the position searching unit is configured to search a corresponding memory serial number position according to a bus value in the PCI;
and the sequence reading unit is configured to read the memory serial number from the mapping file according to the memory serial number position and the memory serial number byte sequence.
7. The system of claim 6, wherein the option modification unit comprises:
the file export module is configured for exporting the BIOS setting items by using a tool SCELNX _64 and saving the BIOS setting items as a BIOS setting item file;
the file modification module is configured to modify the Options state of the Throttling Mode item in the BIOS setting item file into a Disable state;
and the file import module is configured to import the modified BIOS setting item file into the BIOS setting, and restart the server to enable the BIOS setting to take effect.
8. The system of claim 6, wherein the location finding unit comprises:
the bus obtaining module is configured to obtain first bus information and second bus information in the PCI;
the memory checking module is configured to read configuration space data corresponding to the second bus and confirm that memory hardware exists;
and the position generating module is configured to be positioned in the read data area of the mapping file according to the first bus information.
9. A terminal, comprising:
a processor;
a memory for storing instructions for execution by the processor;
wherein the processor is configured to perform the method of any one of claims 1-5.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1-5.
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| CN111967223A (en) * | 2020-08-07 | 2020-11-20 | 苏州浪潮智能科技有限公司 | Method and device for generating BIOS option mapping number |
| CN114546942A (en) * | 2022-01-28 | 2022-05-27 | 苏州浪潮智能科技有限公司 | Database data reading method and device, terminal and storage medium |
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| CN105589699A (en) * | 2014-10-20 | 2016-05-18 | 中兴通讯股份有限公司 | Serial number information update method, device and terminal |
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| CN114546942A (en) * | 2022-01-28 | 2022-05-27 | 苏州浪潮智能科技有限公司 | Database data reading method and device, terminal and storage medium |
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