WO2017148271A1 - Procédé de traitement de réinitialisation de système linux et dispositif, ainsi que support d'informations d'ordinateur - Google Patents

Procédé de traitement de réinitialisation de système linux et dispositif, ainsi que support d'informations d'ordinateur Download PDF

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Publication number
WO2017148271A1
WO2017148271A1 PCT/CN2017/073826 CN2017073826W WO2017148271A1 WO 2017148271 A1 WO2017148271 A1 WO 2017148271A1 CN 2017073826 W CN2017073826 W CN 2017073826W WO 2017148271 A1 WO2017148271 A1 WO 2017148271A1
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Prior art keywords
reset
information
reset operation
kernel
reserved memory
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PCT/CN2017/073826
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English (en)
Chinese (zh)
Inventor
文洋
谈虎
田永江
隆春
史中兵
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中兴通讯股份有限公司
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Publication of WO2017148271A1 publication Critical patent/WO2017148271A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/24—Resetting means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1415—Saving, restoring, recovering or retrying at system level
    • G06F11/1417—Boot up procedures

Definitions

  • the present invention relates to the field of computer technologies, and in particular, to a Linux system reset processing method and apparatus, and a computer storage medium.
  • the Linux system often resets during the running process.
  • the reset scenario usually includes: reset caused by system call, reset caused by keyboard operation (keyboard combination key), reset caused by power button, and reset caused by kernel error.
  • the current technology usually stores the current memory image into the vmcore file through the kdump service, and the vmcore file can be parsed by a tool such as crash to obtain the corresponding reset information; however, tools such as kdump save the current system.
  • the entire memory image takes up a lot of storage space and takes a long time.
  • an embodiment of the present invention provides a Linux system reset processing method, apparatus, and computer storage medium.
  • An embodiment of the present invention provides a Linux system reset processing method, including:
  • the reset information of the reset operation is obtained, and the reset information is cached in a preset reserved memory, where the reset information includes scene information of the reset operation, initiator information, and status information of the current system;
  • Memory is the memory space in system memory;
  • the preset kernel is started, and the reset information is stored in the hard disk in the preset kernel that is started.
  • the step of acquiring reset information of the reset operation comprises:
  • Identifying scene information of the reset operation includes: one of a reset caused by a system call, a reset caused by a power key, and a reset caused by a keyboard combination key;
  • the initiator information includes at least: a process identifier of the current process of the initiator, a first user-level INIT process initiated by the kernel corresponding to the process identifier, a terminal, The user, startup time, and executed commands;
  • the current system status information includes at least the central processing unit (CPU) status, memory status, and input/output (I/O) status before the system performs the reset operation.
  • CPU central processing unit
  • I/O input/output
  • the step of identifying scene information of the reset operation comprises:
  • the step of acquiring initiator information of the reset operation comprises:
  • the process identifier of the parent process is obtained according to the INIT process corresponding to the process identifier of the current process and the process identifier, and the parent process is a process between the current process of the initiator and the INIT process.
  • the method further includes:
  • the flag reset operation is a kernel error
  • the reset operation and the tag information are correspondingly stored in the hard disk and a reset operation is performed.
  • the method further includes:
  • Establish reserved memory configure the capacity of the reserved memory, and the starting address and record.
  • the step of buffering the reset information in the preset reserved memory comprises:
  • the reserved memory is cached in the reserved memory according to the reserved memory capacity and the starting address.
  • the method further includes:
  • An embodiment of the present invention further provides a Linux system reset processing apparatus, including:
  • a detection module configured to monitor a reset scenario of the Linux system
  • the obtaining module is configured to: when the Linux system startup reset process is monitored, obtain reset information of the reset operation, and cache the reset information in a preset reserved memory, where the reset information includes scene information of the reset operation, initiator information, and current system. Status information; reserved memory is the memory space in system memory;
  • the execution module is configured to start the preset kernel when the Linux system is monitored to perform the reset operation, and store the reset information in the hard disk in the preset kernel that is started.
  • the obtaining module comprises:
  • the identification sub-module is configured to identify scene information of the reset operation; wherein the scene information of the reset operation includes: one of a reset caused by a system call, a reset caused by a power key, and a reset caused by a keyboard combination key;
  • the information acquisition submodule is configured to obtain the initiator information of the reset operation and the status information of the current system, and the initiator information includes at least: a process identifier of the current process of the initiator, and a first user initiated by the kernel corresponding to the process identifier.
  • Level INIT process its own terminal, its own users, Start time and executed commands; current system status information includes at least: CPU status, memory status, and I/O status before the system performs a reset operation.
  • the identification submodule comprises:
  • a first determining unit configured to: when detecting a user mode program calling the REBOOT command in a processing flow invoked by the system kernel, determining that the scene information of the reset operation is a reset caused by the system call;
  • a second determining unit configured to: when detecting that the ACPI reports a power key event corresponding to the system reset to the system, determining that the scenario information of the reset operation is a reset caused by the power button;
  • the third determining unit is configured to determine that the scene information of the reset operation is a reset caused by the keyboard combination key when the keyboard processing function corresponding to the system reset is detected in the keyboard processing function.
  • the information acquisition submodule comprises:
  • the first obtaining unit is configured to acquire a process identifier of the parent process according to the INIT process corresponding to the process identifier of the current process and the process identifier, where the parent process is a process between the current process of the initiator and the INIT process.
  • the method further comprises:
  • a kernel error handling module configured to acquire a reset information of a reset operation after the module acquires
  • the flag reset operation is a kernel error
  • the reset operation and the tag information are correspondingly stored in the hard disk and a reset operation is performed.
  • the device further comprises:
  • a memory creation module configured to be in the acquisition module before monitoring the Linux system startup reset process
  • Establish reserved memory configure the capacity of the reserved memory, and the starting address and record.
  • the obtaining module is further configured to:
  • the reserved memory is cached in the reserved memory according to the reserved memory capacity and the starting address.
  • the device further comprises:
  • the kernel build module is configured to execute the module before monitoring the Linux system to perform a reset operation.
  • Embodiments of the present invention also provide a computer storage medium comprising a set of instructions that, when executed, cause at least one processor to perform a Linux system reset processing method of an embodiment of the present invention.
  • the Linux system reset processing method and device and the computer storage medium provided by the embodiment of the present invention can collect reset information in time, trace the process call information, and find a reset by monitoring the reset information of the reset operation when the Linux system starts the reset process.
  • the original initiator of the operation; and writes the reset information to the hard disk in the preset kernel stores only the reset information, takes up less storage space, and takes less time to implement reset information, facilitates fault location or other Service to enhance the maintainability of the system.
  • the embodiment of the invention solves the problem that the reset information is difficult to collect when the system is reset in the Linux system, which brings trouble to the fault location.
  • FIG. 1 is a flow chart showing the basic steps of a Linux system reset processing method according to a first embodiment of the present invention
  • FIG. 2 is a schematic diagram of a scenario of a second embodiment of the present invention.
  • 3 is a flow chart showing the steps performed by the kernel mode control module of the second embodiment of the present invention.
  • FIG. 4 is a flowchart of steps performed by a user state reset information collecting module according to a second embodiment of the present invention.
  • FIG. 5 is a flowchart of steps performed by a reset information cache module according to a second embodiment of the present invention.
  • FIG. 6 is a flowchart of steps performed by a reset information persistence module according to a second embodiment of the present invention.
  • Figure 7 is a flow chart showing the steps performed by the quick start kernel module of the second embodiment of the present invention.
  • FIG. 8 is a block diagram of a Linux system reset processing apparatus according to a third embodiment of the present invention.
  • the embodiment of the present invention provides a Linux system reset processing method and apparatus for the existing problems.
  • monitoring a reset scenario of the Linux system when monitoring the Linux system startup reset process, acquiring reset information of the reset operation, and buffering the reset information in a preset reserved memory, where
  • the reset information includes scene information of the reset operation, initiator information, and status information of the current system;
  • the reserved memory is a memory space in the system memory;
  • the preset kernel is started, In the preset kernel that is started, the reset information is stored in the hard disk.
  • a first embodiment of the present invention provides a Linux system reset processing method, including:
  • Step 101 Monitor a reset scenario of the Linux system.
  • the reset scene usually includes: reset caused by system call, reset caused by keyboard operation (keyboard combination key, such as Ctrl+Alt+Delete key combination), reset caused by power button, and reset caused by kernel error.
  • Step 102 When the Linux system startup reset process is detected, the reset information of the reset operation is obtained, and the reset information is cached in the preset reserved memory.
  • the reset information includes scene information of the reset operation, initiator information, and status information of the current system; the reserved memory is a memory space in the system memory.
  • the reserved memory is the memory space in the preset system memory, and is configured to cache the reset information. Take the reset caused by the system call as an example. When the system reset process starts, the hard disk may be inaccessible. Therefore, a space area needs to be reserved in the memory and configured to cache the reset information.
  • the Linux system startup reset process is detected, that is, at the entry of the reset process, the corresponding processing logic is inserted, the reset information is obtained, the reset information is cached in the reserved memory, and the readout is provided. And the address of the interface written to facilitate writing to the hard disk.
  • Step 103 When it is detected that the Linux system performs a reset operation, the preset kernel is started, and in the preset kernel that is started, the reset information is stored in the hard disk.
  • the default kernel is a kernel outside the system kernel and configured to perform a system reset.
  • the process of writing reset information to the hard disk by an embodiment of the present invention is also performed in a preset kernel.
  • step 102 includes:
  • the scene information of the reset operation is identified; wherein the scene information of the reset operation includes: one of a reset caused by a system call, a reset caused by a power key, and a reset caused by a keyboard combination key;
  • the second step is to obtain the initiator information of the reset operation and the status information of the current system.
  • the initiator information includes at least: a process identifier of the current process of the initiator, and a first user-level INIT process initiated by the kernel corresponding to the process identifier.
  • the associated terminal, the user, the startup time, and the executed command; the current system state information includes at least the CPU state, memory state, and I/O state before the system performs the reset operation.
  • the first step mentioned above comprises:
  • the scene information of the reset operation is a reset caused by the system call; specifically, when the user kernel calls the processing flow, the user state program is detected.
  • the program language corresponding to the REBOOT command is used, the scene information of the reset operation can be confirmed as a system call.
  • the scene information of the reset operation is a reset caused by the power key; normally, when the system hardware reports the power key event to the system through the ACPI, for example, short press the power key Usually it is a restart (ie system reset), then when the user presses the power button shortly, ACPI will report to the system, then when receiving the short press of the power button reported by ACPI, it can be confirmed that the scene information of the reset operation is caused by the power button. Reset.
  • the keyboard processing function corresponding to the system reset When the keyboard processing function corresponding to the system reset is detected in the keyboard processing function, it is determined that the scene information of the reset operation is a reset caused by the keyboard combination key; specifically, when the user presses the "Ctrl+Alt+Del" key combination
  • the system responds to the interrupt event by calling the driver layer interrupt handler function, then enters the kernel input subsystem for subsystem classification, and finally calls the keyboard handler function corresponding to the system reset to start the reset process.
  • the first step mentioned above comprises:
  • the parent process is a process between the initiator's current process and the INIT process; wherein the INIT process is kernel-initiated
  • the first user-level process the parent process is the process between the current process and the INTI process.
  • each parent process can be obtained by backtracking forward by the current process. The above information is obtained in order to collect information related to the reset operation and enhance the maintainability of the system.
  • step 102 the method further includes:
  • the reset operation and the tag information are correspondingly stored in the hard disk and a reset operation is performed.
  • kernel panic refers to the fact that the operating system detects internal fatal errors and cannot handle this error safely; the kernel may not work properly when the kernel is wrong, so the reset scenario can only be done in the default kernel. Mark and perform the reset process.
  • the method further includes:
  • Establish reserved memory configure the capacity of the reserved memory, and the starting address and record.
  • step 102 the step of buffering the reset information in the preset reserved memory includes:
  • the reserved memory is cached in the reserved memory according to the reserved memory capacity and the starting address.
  • the reserved memory is configured to cache reset information; the reserved memory is established before the reset information is acquired, and the capacity and the start address are configured, so that the system caches the reset information in the reserved memory according to the start address.
  • the method further includes:
  • the preset kernel is created and the capacity and the starting address are configured, and the generated image file is stored in the hard disk for persistence.
  • the reset information of the reset operation when the reset information of the reset operation is acquired when the Linux system starts the reset process, the reset information can be collected in time, the process call information is traced, and the original initiator of the reset operation is found;
  • the reset information In the default kernel, the reset information is written to the hard disk, only the reset information is stored, the occupied storage space is small, and the time is short, the reset information is persistent, the fault location or other services are facilitated, and the maintainability of the system is enhanced.
  • the real-time example of the present invention solves the problem that the reset information is difficult to collect when the system is reset in the Linux system, which brings trouble to the fault location.
  • FIG. 2 is a schematic diagram of a scenario of a second embodiment of the present invention.
  • the Linux system shown in FIG. 2 includes: a kernel state control module 201, a user state reset information collection module 202, and a reset information cache module 203.
  • the kernel module 205 and the reset information persistence module 204 are included in the Linux system shown in FIG. 2 in FIG. 2 .
  • the kernel state control module 201 is configured to provide a general mechanism for collecting system reset information: when the reset operation starts, the user state reset information collection module 202 is started;
  • the fast boot kernel module 205 is started prior to executing the processor architecture related code and performing a system reset operation.
  • the user state reset information collection module 202 is configured to provide various policies for collecting system reset information, so that the system can write the collected information into the reset information cache module 203.
  • the reset information cache module 203 is configured to provide a read and write interface, and is called by the user state reset information collection module 202 to cache the reset information in the reset information cache module 203, which is called by the reset information persistence module 204.
  • the reset information buffered in the information buffer module 203 is reset.
  • the fast boot kernel module 205 is configured to quickly launch a tailored, usable kernel, and in the context of the kernel, execute a reset information persistence module 204.
  • the reset information persistence module 204 reads the reset information from the reset information cache module 203 and saves it to the specified file on the hard disk.
  • the kernel mode control module 201 performs the following steps:
  • Step 301 at the entry of the system reset, insert processing logic: call the user state reset information collection module 202. Among them, the reset caused by the reboot system call:
  • the user state reset information collection module 202 is started (can be by a method such as call_usermodehelper).
  • the user state reset information collection module 202 is started (can be by a method such as call_usermodehelper).
  • the user state reset information collection module 202 is started (can be by a method such as call_usermodehelper).
  • step 302 is directly executed.
  • Step 302 insert logic before calling the processor architecture related code to actually perform the system reset operation: invoke the fast boot kernel module 205.
  • the user state reset information collecting module 202 performs the following steps:
  • Step 401 Write description information of the current reset scenario to the reset information cache module 203.
  • the description information such as "reset caused by reboot system call”, “reset by pressing the power button”, and “reset by pressing the keyboard combination key” are respectively written into the reset information buffer.
  • the description information such as "reset caused by reboot system call”, “reset by pressing the power button”, and “reset by pressing the keyboard combination key” are respectively written into the reset information buffer.
  • step 402 it is determined whether the process traceback information needs to be recorded, if necessary, step 403 is performed, otherwise step 404 is performed.
  • the process traces back information processing.
  • the process backtracking process includes: acquiring information such as the ID number of the current process; recording the collected information into the reset information cache module; determining the parent process information of the current process, and if it is already an INIT process, it is not required to continue upward. The first level is backtracked. Otherwise, the current process identifier (ID) is assigned to the parent process ID of the current process, and the loopback is continued;
  • step 404 it is determined whether the system status statistics need to be recorded. If necessary, step 405 is executed to obtain statistics of CPU, memory, I/O, etc., otherwise the process ends.
  • the reset information cache module 203 performs the following steps:
  • Step 501 Write the reset information buffered in the user state reset information collection module 202 into the reserved memory.
  • Step 502 Record related information (capacity and address range, etc.) of the reserved memory.
  • the reset information persistence module 204 performs the following steps:
  • Step 601 Determine whether the reset scenario is a kernel error (whether or not a kernel error flag is transmitted). If not, execute step 602 to persist the data in the reset information cache module to the hard disk; otherwise, execute step 603 to mark the kernel error. Persist to the hard disk.
  • the kernel module 205 is quickly started, and the following steps are performed:
  • Step 701 When it is detected that the kernel control module initiates a quick start, step 702 is executed to start quickly.
  • Step 703 the reset information persistence module 204 is started, and the reset information persistence module 204 persists the data in the reset information cache module to the hard disk or persists the kernel error flag to the hard disk.
  • the processing logic when the Linux system startup reset process is monitored by the kernel mode control module 201, at the entry of the system reset, the processing logic is inserted: the user state reset information collection module 202 is called to obtain the reset information of the reset operation and trace back. Process call information, find reset The original initiator of the operation; and the reset information is written to the hard disk by the reset information persistence module 204, so that the reset information is persistent, facilitating fault location or other services, and enhancing the maintainability of the system.
  • the embodiment of the invention solves the problem that the reset information is difficult to collect when the system is reset in the Linux system, which brings trouble to the fault location.
  • a third embodiment of the present invention provides a Linux system reset processing apparatus, including:
  • the detecting module 801 is configured to monitor a reset scenario of the Linux system
  • the obtaining module 802 is configured to: when the Linux system startup reset process is monitored, obtain reset information of the reset operation, and cache the reset information in a preset reserved memory, where the reset information includes scene information of the reset operation, initiator information, and current State information of the system; reserved memory is the memory space in the system memory;
  • the execution module 803 is configured to start the preset kernel when the Linux system is monitored to perform the reset operation, and store the reset information in the hard disk in the preset kernel that is started.
  • the obtaining module 802 includes:
  • the identification sub-module is configured to identify scene information of the reset operation; wherein the scene information of the reset operation includes: one of a reset caused by a system call, a reset caused by a power key, and a reset caused by a keyboard combination key;
  • the information acquisition submodule is configured to obtain the initiator information of the reset operation and the status information of the current system, and the initiator information includes at least: a process identifier of the current process of the initiator, and a first user initiated by the kernel corresponding to the process identifier.
  • the level of the INIT process, the associated terminal, the user, the startup time, and the executed command; the current system state information includes at least the CPU state, memory state, and I/O state before the system performs the reset operation.
  • the identification submodule comprises:
  • a first determining unit configured to: when detecting a user mode program calling the REBOOT command in a processing flow invoked by the system kernel, determining that the scene information of the reset operation is a reset caused by the system call;
  • a second determining unit configured to detect, when the ACPI detects the power supply corresponding to the system reset to the system When the key event occurs, it is determined that the scene information of the reset operation is a reset caused by the power key;
  • the third determining unit is configured to determine that the scene information of the reset operation is a reset caused by the keyboard combination key when the keyboard processing function corresponding to the system reset is detected in the keyboard processing function.
  • the information acquisition submodule comprises:
  • a first acquiring unit configured to acquire a process identifier of a current process of the initiator, a terminal to which the terminal belongs, a user to belong, a startup time, and an executed command;
  • the process identifier of the parent process is obtained according to the INIT process corresponding to the process identifier of the current process and the process identifier, and the parent process is a process between the current process of the initiator and the INIT process.
  • the device further comprises:
  • a kernel error processing module configured to, after the obtaining module 802 obtains reset information of the reset operation
  • the flag reset operation is a kernel error
  • the reset operation and the tag information are correspondingly stored in the hard disk and a reset operation is performed.
  • the device further comprises:
  • a memory creation module configured to be in the acquisition module 802 before monitoring the Linux system startup reset process
  • Establish reserved memory configure the capacity of the reserved memory, and the starting address and record.
  • the obtaining module 802 is further configured to:
  • the reserved memory is cached in the reserved memory according to the reserved memory capacity and the starting address.
  • the device further comprises:
  • a kernel setup module configured to execute the module 803 before monitoring the Linux system to perform a reset operation
  • the reset information of the reset operation when the reset information of the reset operation is acquired when the Linux system starts the reset process, the reset information can be collected in time, the process call information is traced, and the original initiator of the reset operation is found;
  • the reset information In the default kernel, the reset information is written to the hard disk, only the reset information is stored, the occupied storage space is small, and the time is short, the reset information is persistent, the fault location or other services are facilitated, and the maintainability of the system is enhanced.
  • the embodiment of the invention solves the problem that the reset information is difficult to collect when the system is reset in the Linux system, which brings trouble to the fault location.
  • the Linux system reset processing device provided by the embodiment of the present invention is a device applying the foregoing method, that is, all the embodiments of the foregoing method are applicable to the device, and all of the same or similar beneficial effects can be achieved.
  • the kernel error processing module, the memory creation module, and the kernel creation module may be implemented by a processor in a Linux system reset processing device.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.
  • These computer program instructions can also be stored in a bootable computer or other programmable data processing
  • the apparatus is readable in a computer readable memory in a particular manner such that instructions stored in the computer readable memory produce an article of manufacture comprising instruction means implemented in one or more flows and/or block diagrams of the flowchart The function specified in the box or in multiple boxes.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.
  • an embodiment of the present invention further provides a computer storage medium, where the computer storage medium includes a set of instructions, when executed, causing at least one processor to execute the Linux system reset processing method of the embodiment of the present invention.
  • the solution provided by the embodiment of the present invention can obtain the reset information of the reset operation when the Linux system starts the reset process, and can collect the reset information in time, trace the process call information, and find the original initiator of the reset operation;
  • the reset information is written to the hard disk, only the reset information is stored, the occupied storage space is small, and the time is short, the reset information is persistent, the fault location or other services are facilitated, and the maintainability of the system is enhanced.

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Abstract

La présente invention concerne un procédé de traitement de réinitialisation d'un système Linux, et un support d'informations d'ordinateur. Le procédé consiste : à observer un scénario de réinitialisation d'un système Linux (101) ; lorsqu'il est observé que le système Linux démarre un flux de réinitialisation, à acquérir des informations de réinitialisation sur une opération de réinitialisation, et à mettre en cache les informations de réinitialisation dans une mémoire réservée prédéfinie (102), les informations prédéfinies comprenant des informations de scénario et des informations d'initiateur sur l'opération de réinitialisation, et les informations d'état sur un système courant, et la mémoire réservée étant un espace de mémoire dans une mémoire de système ; et quand il est observé que le système Linux réalise une opération de réinitialisation, à démarrer un noyau prédéfini, et à stocker, dans le noyau prédéfini démarré, les informations de réinitialisation dans le disque dur (103).
PCT/CN2017/073826 2016-03-04 2017-02-16 Procédé de traitement de réinitialisation de système linux et dispositif, ainsi que support d'informations d'ordinateur WO2017148271A1 (fr)

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CN116796308A (zh) * 2023-02-03 2023-09-22 安芯网盾(北京)科技有限公司 一种基于Linux内核的伪装进程可执行程序检测方法及装置

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