WO2016131383A1 - Procédé et dispositif d'exécution d'un processus de maintenance d'un système - Google Patents

Procédé et dispositif d'exécution d'un processus de maintenance d'un système Download PDF

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Publication number
WO2016131383A1
WO2016131383A1 PCT/CN2016/073314 CN2016073314W WO2016131383A1 WO 2016131383 A1 WO2016131383 A1 WO 2016131383A1 CN 2016073314 W CN2016073314 W CN 2016073314W WO 2016131383 A1 WO2016131383 A1 WO 2016131383A1
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Prior art keywords
cpu core
dedicated cpu
maintenance process
operating system
original operating
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PCT/CN2016/073314
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English (en)
Chinese (zh)
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蒋彪
王亮
谢宝友
蔡衢
谈虎
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中兴通讯股份有限公司
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Publication of WO2016131383A1 publication Critical patent/WO2016131383A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
    • G06F21/52—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity ; Preventing unwanted data erasure; Buffer overflow
    • G06F21/53—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity ; Preventing unwanted data erasure; Buffer overflow by executing in a restricted environment, e.g. sandbox or secure virtual machine

Definitions

  • This document relates to, but is not limited to, the field of computer operating system technology, and in particular, to a system maintenance process running method and device.
  • the maintenance process of the system plays a crucial role in judging the failure of the system and the analysis of the system failure.
  • the system log is recorded by the logging process.
  • the logging process records the log by writing to the disk.
  • the log cannot be reliably written to the disk.
  • the main reasons include: 1)
  • the logging process requires a fairly complicated process for writing disk operations. Taking the Linux operating system as an example, it may involve caching, block device layers in the kernel, and IO (input and output, referred to as IO) scheduling layer.
  • IO input and output
  • the log record process write disk operation depends on the process schedule in the system. If the process schedule is abnormal, the user process responsible for logging may not be scheduled at this time, and thus the log cannot be recorded. There are many exceptions that cause the process to be dispatched. For example, when the CPU load of the system is too heavy, or when a process with a higher priority on the current CPU continues to occupy the CPU, the log record process responsible for logging may not be scheduled.
  • the embodiment of the invention provides a method and a device for running a maintenance process of a system, which solves the technical problem that the maintenance process of the system in the related art cannot be reliably operated, and the system failure cannot be correctly analyzed when a system failure occurs.
  • the embodiment of the invention provides a method for running a maintenance process of a system, including:
  • allocating corresponding hardware resources to the maintenance process of the system includes:
  • the isolating the allocated hardware resources from the original operating system includes:
  • the allocated dedicated CPU core is removed from the process scheduling module of the original operating system
  • loading the corresponding operating environment for the dedicated CPU core includes:
  • the maintenance process of the system includes: a logging process of the system and/or a monitoring process of the system;
  • Allocating corresponding hardware resources for the maintenance process of the system includes: allocating corresponding hardware resources to the logging process and/or the monitoring process;
  • the controlling the maintenance process to run within the hardware resource comprises: controlling the logging process and/or the monitoring process to run within the corresponding hardware resource.
  • controlling the logging process to run in the corresponding hardware resource includes:
  • the original operating system records the log information in a dedicated data hardware resource
  • the original operating system writes the log information in the data hardware resource in a fixed format to a corresponding position in the data hardware resource reserved by the communication between the original operating system and the corresponding dedicated CPU core;
  • the disk operation interface is called to directly write the log information in the corresponding data hardware resource to the specified disk sector range.
  • controlling the monitoring process to run in the corresponding hardware resource includes:
  • the monitoring information should be read at a location
  • Whether the original operating system is operating normally is determined according to the update status of the monitoring information.
  • the embodiment of the invention further provides a maintenance process running device of the system, comprising:
  • the resource management module is configured to allocate corresponding hardware resources to the maintenance process of the system
  • a resource isolation module configured to isolate the allocated hardware resources from the original operating system
  • control module configured to control the maintenance process to run within the hardware resource.
  • the resource management module includes:
  • a dedicated CPU allocation sub-module is set to allocate a corresponding dedicated CPU core for the maintenance process of the system
  • a memory resource allocation submodule configured to allocate a dedicated CPU memory resource to the dedicated CPU core
  • a hardware resource allocation sub-module configured to allocate dedicated data hardware resources for communication and data interaction between the dedicated CPU core and the original operating system
  • the operating environment loads the submodule, and is set to load the corresponding running environment for the dedicated CPU core.
  • the resource isolation module includes:
  • the process culling submodule is set to remove the allocated dedicated CPU core from the process scheduling module of the original operating system
  • Interrupting the culling submodule configured to remove the dedicated CPU core from the interrupt routing module
  • the time interrupt cancel submodule is set to cancel the periodic clock interrupt on the dedicated CPU core
  • the maintenance process of the system includes: a logging process of the system and/or a monitoring process of the system;
  • the resource management module is configured to allocate corresponding hardware resources to the logging process and/or the monitoring process;
  • the control module is configured to control the logging process and/or the monitoring process to run within the corresponding hardware resource.
  • control module when the maintenance process of the system is a logging process of the system, the control module includes:
  • the information recording sub-module is set to record the log information in the dedicated data hardware resource by the original operating system
  • the first information is written into the sub-module, and the original operating system is configured to write the log information in the data hardware resource in a fixed format into the data hardware resources reserved for communication between the original operating system and the corresponding dedicated CPU core. Corresponding position
  • a first information reading submodule configured to read log information of a corresponding data hardware resource from a corresponding position in a data hardware resource reserved for communication between the original operating system and the dedicated CPU core;
  • the control submodule is configured to call the disk operation interface to write the log information in the corresponding data hardware resource into the specified disk sector range.
  • control module when the maintenance process of the system is a monitoring process of the system, the control module includes:
  • a second information writing submodule configured to write monitoring information to a corresponding location in a data hardware resource reserved for communication between the original operating system and the dedicated CPU core;
  • a second information reading submodule configured to read the monitoring information from a corresponding location in a data hardware resource reserved for communication between the original operating system and the dedicated CPU core;
  • the management submodule is configured to determine whether the original operating system is operating normally according to the update status of the monitoring information.
  • the embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the above method.
  • the maintenance process running method and device of the system provided by the embodiment of the present invention allocates corresponding hardware resources to the maintenance process of the system, and isolates the allocated hardware resources from the original operating system; and then controls the maintenance process to run in the allocated hardware resources. .
  • the solution specifically allocates corresponding hardware resources for the maintenance process of the system, and closes the task of performing the maintenance process, and can provide a highly reliable system without requiring additional hardware devices and being affected by other running processes in the system.
  • the maintenance process runs.
  • FIG. 1 is a schematic flowchart of a method for running a maintenance process of a system according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic flowchart of allocating corresponding hardware resources in a maintenance process of a system according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic flowchart of a specific method for loading a corresponding operating environment by a dedicated CPU core according to Embodiment 1 of the present invention
  • FIG. 4 is a schematic flowchart of a method for isolating the allocated hardware resources from an original operating system according to Embodiment 1 of the present invention
  • FIG. 5 is a schematic flowchart of a method for controlling the log recording process to run in the corresponding hardware resource according to Embodiment 1 of the present invention
  • FIG. 6 is a schematic flowchart of a method for controlling the monitoring process to run in the corresponding hardware resource according to Embodiment 1 of the present invention
  • FIG. 7 is a schematic block diagram of a system maintenance process running device according to Embodiment 1 of the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the maintenance process running method of the system includes:
  • S102 Isolate the allocated hardware resource from the original operating system
  • the step S101 allocates corresponding hardware resources to the maintenance process of the system, including:
  • S201 Allocating a corresponding dedicated CPU core for the maintenance process of the system, and isolating the dedicated CPU core from the original operating system, so that the task on the original operating system does not occupy the dedicated CPU core and does not interact with the same (for example: inter-core interrupts), thereby isolating the effects;
  • S202 Allocating a dedicated CPU memory resource to the dedicated CPU core, and similarly, isolating the allocated CPU memory resources from the original operating system to ensure that the original operating system does not manage and use the allocated physical memory, thereby preventing the original operating system.
  • Memory exceptions affect the tasks running on the dedicated CPU core;
  • S203 Allocating dedicated data hardware resources for communication and data interaction between the dedicated CPU core and the original operating system; to implement monitoring of the original operating system or logging of the original operating system on the dedicated CPU core, it is necessary to understand The running state of the original operating system can be realized by means of shared memory. This requires a dedicated memory resource to be allocated for this purpose. The memory resources of the original operating system are visible to the original operating system and the dedicated CPU core. For the sake of reliability, Control the access rights of the part of the memory, such as: the original operating system has only writeable rights to the part, so that the dedicated CPU has only readable rights to the part of the memory;
  • S204 Load a corresponding running environment for the dedicated CPU core.
  • loading the corresponding operating environment for the dedicated CPU core includes the following steps:
  • S301 Write a program corresponding to the running environment module in the original operating system to a specified storage medium in advance, for example, in a specified sector range of the disk device;
  • the corresponding functions that the running environment module needs to complete include: initializing Using the hardware environment related to the CPU core; loading the maintenance process of the corresponding system; reading the program corresponding to the maintenance process of the system from the specified storage medium, loading it into the memory allocated for the dedicated CPU core; jumping to the system The program entry corresponding to the maintenance process starts execution.
  • the hardware environment related to initializing the dedicated CPU core includes: initializing the CPU-related registers, causing the dedicated CPU core to run in real mode; initializing the CPU's IDTR register to point to the BIOS-initiated interrupt descriptor table; thus, the CPU can be passed
  • the way of interrupting directly utilizes the functions provided by the BIOS (because the interrupt service routine is implemented in the BIOS), such as the function of disk access; complete memory-related initialization. For example, initialization of a physical memory area reserved for a dedicated CPU core.
  • step S102 isolates the allocated hardware resources from the original operating system, including the following steps:
  • S401 The allocated dedicated CPU core is removed from the process scheduling module of the original operating system; ensuring that processes in the original operating system are not scheduled to the dedicated CPU core.
  • S402 The dedicated CPU core is removed from the interrupt routing module; ensuring that external peripheral interrupts are not routed to the dedicated CPU.
  • S403 Set an inter-core interrupt mask bit corresponding to the dedicated CPU core; prevent an inter-core interrupt from another CPU from being sent to the CPU.
  • S405 Cancel the CPU task of all the original operating systems on the dedicated CPU core. It is forbidden to run similar tasks on this dedicated CPU.
  • the maintenance process of the system includes: a logging process of the system and/or a monitoring process of the system; and the step S101 is to allocate corresponding hardware resources to the maintenance process of the system, including: The recording process and/or the monitoring process allocate corresponding hardware resources; the step S103 controlling the maintenance process to run in the hardware resource comprises: controlling the logging process and/or monitoring process in the corresponding hardware resource run.
  • the logging process running within the corresponding hardware resource includes:
  • the original operating system writes the log information in the data hardware resource in a fixed format into a corresponding position in a data hardware resource reserved by communication between the original operating system and the corresponding dedicated CPU core;
  • S503 Read log information of a corresponding data hardware resource from a corresponding position in a data hardware resource reserved for communication between the original operating system and the dedicated CPU core;
  • S504 Calling the disk operation interface to directly write the log information in the corresponding data hardware resource to the specified disk sector range.
  • the disk operation interface provided by the BIOS is called to directly write information in the corresponding data hardware resource into the specified disk sector range.
  • the interface provided by the BIOS is usually an interrupt interface, such as the INT 13H.
  • controlling the monitoring process to run in the corresponding hardware resource includes:
  • S601 Write monitoring information to a corresponding location in a data hardware resource reserved for communication between the original operating system and the dedicated CPU core; the monitoring information may be heartbeat information;
  • S602 Read the monitoring information from a corresponding position in a data hardware resource reserved for communication between the original operating system and the dedicated CPU core;
  • S603 Determine whether the original operating system runs normally according to the update status of the monitoring information. For example, when the monitoring information is heartbeat information, the system monitoring program determines whether the heartbeat information is updated. If the heartbeat information is not updated within the specified period, it indicates that the original operating system has an abnormality; if the heartbeat information exists within the specified period Update, the original operating system is normal. When the system monitor monitors the abnormality of the original operating system, it initiates corresponding operations, such as: directly resetting the hardware; or collecting the current memory mirror information for subsequent fault analysis and positioning, and then resetting.
  • the system monitor monitors the abnormality of the original operating system, it initiates corresponding operations, such as: directly resetting the hardware; or collecting the current memory mirror information for subsequent fault analysis and positioning, and then resetting.
  • the operating environment module needs to provide a running environment for the maintenance process of the system
  • the corresponding running environment is provided for the foregoing logging process and the system monitoring process, and needs to be run in the real mode, so as to use the BIOS interface.
  • the implementation needs to be independent of the original operating system. There are many options for the specific implementation, including but not limited to the following:
  • DOS operating system disk operating system
  • the embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the above method.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • This embodiment provides a maintenance process running device of the system, as shown in FIG. 7, including:
  • the resource management module is configured to allocate corresponding hardware resources to the maintenance process of the system
  • a resource isolation module configured to isolate the allocated hardware resources from the original operating system
  • control module configured to control the maintenance process to run within the hardware resource.
  • the resource management module includes:
  • a dedicated CPU allocation sub-module is set to allocate a corresponding dedicated CPU core for the maintenance process of the system
  • a memory resource allocation submodule configured to allocate a dedicated CPU memory resource to the dedicated CPU core
  • a hardware resource allocation sub-module configured to allocate dedicated data hardware resources for communication and data interaction between the dedicated CPU core and the original operating system
  • the operating environment loads the submodule, and is set to load the corresponding running environment for the dedicated CPU core.
  • the resource isolation module includes:
  • the process culling submodule is set to remove the allocated dedicated CPU core from the process scheduling module of the original operating system
  • Interrupting the culling submodule configured to remove the dedicated CPU core from the interrupt routing module
  • the time interrupt cancel submodule is set to cancel the periodic clock interrupt on the dedicated CPU core
  • the maintenance process of the system can be truly operated independently of the operation of the original operating system, so that the operation of the corresponding maintenance process can be prevented from being interfered by the operation of the original operating system, ensuring
  • the normal and reliable operation of the maintenance process provides convenience for system maintenance personnel and users to find system faults and detect the system.
  • the maintenance process of the foregoing system includes: a logging process of the system and/or a monitoring process of the system;
  • the resource management module is configured to allocate corresponding hardware resources to the logging process and/or the monitoring process;
  • the control module is configured to control the logging process and/or the monitoring process to run within the corresponding hardware resource.
  • a dedicated CPU core is allocated to the operation of the logging process and the monitoring process, and the dedicated CPU core is isolated from the operation of the original operating system.
  • control module When the maintenance process of the system is a logging process of the system, the control module includes:
  • the first information is written into the sub-module, and the original operating system is configured to write the log information in the data hardware resource in a fixed format into the data hardware resources reserved for communication between the original operating system and the corresponding dedicated CPU core. Corresponding position
  • a first information reading submodule configured to read log information of a corresponding data hardware resource from a corresponding position in a data hardware resource reserved for communication between the original operating system and the dedicated CPU core;
  • the control submodule is configured to call the disk operation interface to write the log information in the corresponding data hardware resource into the specified disk sector range.
  • control module When the maintenance process of the system is a monitoring process of the system, the control module includes:
  • a second information writing submodule configured to write monitoring information to a corresponding location in a data hardware resource reserved for communication between the original operating system and the dedicated CPU core;
  • a second information reading submodule configured to read the monitoring information from a corresponding location in a data hardware resource reserved for communication between the original operating system and the dedicated CPU core;
  • the management submodule is configured to determine whether the original operating system is operating normally according to the update status of the monitoring information.
  • the solution specifically allocates corresponding hardware resources for the maintenance process of the system, and closes the task of performing the maintenance process, and can provide a highly reliable system without requiring additional hardware devices and being affected by other running processes in the system. Maintenance process operation;
  • the maintenance process of the system is a logging process
  • reliable logging of the system log and monitoring of the running state of the system can be implemented, which can greatly improve the maintainability of the system
  • all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
  • the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • each device/function module/functional unit in the above embodiment When each device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the above technical solution can provide a maintenance process of a highly reliable system without requiring additional hardware devices and being affected by other running processes in the system.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Debugging And Monitoring (AREA)

Abstract

Procédé et dispositif d'exécution d'un processus de maintenance d'un système. Le procédé d'exécution d'un processus de maintenance d'un système comporte les étapes suivantes: attribuer une ressource matérielle correspondante au processus de maintenance du système; séparer la ressource matérielle attribuée d'un système d'exploitation d'origine; et commander le processus de maintenance pour qu'il s'exécute à l'intérieur de la ressource matérielle. La solution technique susmentionnée résout le problème rencontré dans la technique apparentée, où une défaillance d'un système ne peut pas être analysée correctement lorsque la défaillance du système survient, ce qui résulte d'une situation où un processus de maintenance d'un système ne peut pas s'exécuter de manière fiable. La solution technique susmentionnée fait en sorte que l'exécution d'un processus de maintenance d'un système à haute fiabilité puisse être assurée sans nécessiter un dispositif matériel supplémentaire et sans être influencée par d'autres processus en cours d'exécution dans le système.
PCT/CN2016/073314 2015-07-16 2016-02-03 Procédé et dispositif d'exécution d'un processus de maintenance d'un système WO2016131383A1 (fr)

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