CN115412514A - Restart information recording method, apparatus, system, device and medium - Google Patents
Restart information recording method, apparatus, system, device and medium Download PDFInfo
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- CN115412514A CN115412514A CN202211153010.XA CN202211153010A CN115412514A CN 115412514 A CN115412514 A CN 115412514A CN 202211153010 A CN202211153010 A CN 202211153010A CN 115412514 A CN115412514 A CN 115412514A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/55—Prevention, detection or correction of errors
- H04L49/552—Prevention, detection or correction of errors by ensuring the integrity of packets received through redundant connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/90—Buffering arrangements
- H04L49/9063—Intermediate storage in different physical parts of a node or terminal
Abstract
The invention discloses a restart information recording method, a restart information recording device, a restart information recording system, a restart information recording device and a restart information recording medium. The method comprises the following steps: monitoring at least one restart trigger event related to the central processing unit in the running process of the central processing unit through an anomaly monitoring process; and if the target restart trigger event is monitored, sending an event recording signal corresponding to the target restart trigger event to the programmable logic device by using a general input/output interface corresponding to the target restart trigger event through an exception monitoring process, so that the programmable logic device receives the event recording signal, stores event recording data corresponding to the target restart trigger event to an event register, and stores storage time information of the event recording data to a time register. The embodiment of the invention can reliably record the information related to the restarting of the central processing unit through the programmable logic device, and is convenient for quickly determining the specific reason for triggering the restarting according to the information related to the restarting of the central processing unit.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, a system, a device, and a medium for restarting information recording.
Background
More and more switches are used. Some application occasions have high requirements on the stability and reliability of the switch, and a Central Processing Unit (CPU) of the switch is required to operate stably. Once the CPU of the switch is abnormally restarted, the information of the CPU needs to be searched, and the specific reason for triggering the restart is determined.
In the related art, after the CPU is restarted due to an exception, information related to the restart is searched for in information stored in the CPU, so as to determine a specific reason for triggering the restart. However, the CPU cannot record the information related to the restart in the running process, so that the information stored in the CPU does not include the information related to the restart, and the specific reason for triggering the restart cannot be determined.
Disclosure of Invention
The invention provides a restart information recording method, a restart information recording device, a restart information recording system, a restart information recording device and a restart information recording medium, which aim to solve the problems that information related to restart cannot be recorded in a restart information recording scheme of the related technology, information stored in a CPU does not contain the information related to restart, and the specific reason for triggering the restart cannot be determined.
According to an aspect of the present invention, there is provided a restart information recording method applied to a central processing unit of a switch, the central processing unit being connected to a programmable logic device, the restart information recording method including:
monitoring, by an anomaly monitoring process, at least one restart trigger event associated with the central processor during operation of the central processor;
if a target restart trigger event is monitored, sending an event record signal corresponding to the target restart trigger event to a programmable logic device through an exception monitoring process by using a general input/output interface corresponding to the target restart trigger event, so that the programmable logic device receives the event record signal, stores event record data corresponding to the target restart trigger event to an event register, and stores storage time information of the event record data to a time register.
According to another aspect of the present invention, there is provided a restart information recording method applied to a programmable logic device, the programmable logic device being connected to a central processing unit of a switch, the restart information recording method including:
receiving an event recording signal which is sent by a central processing unit and corresponds to a target restart trigger event;
storing event record data corresponding to the target restart trigger event to an event register;
and storing the storage time information of the event record data into a time register.
According to another aspect of the present invention, there is provided a restart information recording apparatus, configured in a central processing unit of a switch, the central processing unit being connected to a programmable logic device, including:
the event monitoring module is used for monitoring at least one restart triggering event related to the central processing unit in the running process of the central processing unit through an abnormal monitoring process;
and the signal sending module is used for sending an event recording signal corresponding to the target restart trigger event to a programmable logic device through an exception monitoring process by using a general input/output interface corresponding to the target restart trigger event so that the programmable logic device receives the event recording signal, stores event recording data corresponding to the target restart trigger event to an event register, and stores storage time information of the event recording data to a time register.
According to another aspect of the present invention, there is provided a restart information recording apparatus configured in a programmable logic device connected to a central processing unit of a switch, comprising:
the signal receiving module is used for receiving an event recording signal which is sent by the central processing unit and corresponds to a target restart trigger event;
the data storage module is used for storing event record data corresponding to the target restart trigger event to an event register;
and the time storage module is used for storing the storage time information of the event record data to a time register.
According to another aspect of the present invention, there is provided a restart information recording system characterized by comprising: a central processing unit and a programmable logic device of the switch;
the central processing unit is used for monitoring at least one restart triggering event related to the central processing unit in the running process of the central processing unit through an abnormity monitoring process; if a target restart trigger event is monitored, sending an event record signal corresponding to the target restart trigger event to a programmable logic device through an exception monitoring process by using a general input/output interface corresponding to the target restart trigger event, so that the programmable logic device receives the event record signal, stores event record data corresponding to the target restart trigger event to an event register, and stores storage time information of the event record data to a time register;
the programmable logic device is used for receiving an event recording signal which is sent by the central processing unit and corresponds to a target restart trigger event; storing event record data corresponding to the target restart trigger event to an event register; and storing the storage time information of the event record data into a time register.
According to another aspect of the present invention, there is provided an electronic apparatus including:
at least one processor;
and a memory communicatively coupled to the at least one processor;
wherein the memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor to enable the at least one processor to execute the restart information recording method according to any of the embodiments of the present invention.
According to another aspect of the present invention, there is provided a computer-readable storage medium storing computer instructions for causing a processor to implement the restart information recording method according to any one of the embodiments of the present invention when executed.
According to the technical scheme of the embodiment of the invention, at least one restart trigger event related to a central processing unit is monitored in the running process of the central processing unit through an abnormal monitoring process; under the condition that a target restart trigger event is monitored, an event recording signal corresponding to the target restart trigger event is sent to a programmable logic device through an abnormality monitoring process by using a general input/output interface corresponding to the target restart trigger event, so that the programmable logic device receives the event recording signal, stores event recording data corresponding to the target restart trigger event into an event register, and stores storage time information of the event recording data into a time register.
It should be understood that the statements in this section are not intended to identify key or critical features of the embodiments of the present invention, nor are they intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a restart information recording method according to an embodiment of the present invention.
Fig. 2 is a flowchart of a restart information recording method according to a second embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a restart information recording apparatus according to a third embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a restart information recording apparatus according to a fourth embodiment of the present invention.
Fig. 5A is a schematic structural diagram of a restart information recording system according to a fifth embodiment of the present invention.
Fig. 5B is a schematic structural diagram of a restart information recording system according to a fifth embodiment of the present invention.
Fig. 6 is a schematic structural diagram of an electronic device implementing a restart information recording method according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "object," "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in other sequences than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example one
Fig. 1 is a flowchart of a restart information recording method according to an embodiment of the present invention. The embodiment can be applied to the condition of recording the information related to the restarting of the central processing unit in the running process of the central processing unit of the switch. The method may be performed by a restart information recording apparatus, which may be implemented in the form of hardware and/or software, and which may be configured in a central processing unit of the switch. The central processing unit is connected with the programmable logic device. As shown in fig. 1, the method includes:
Optionally, the at least one restart trigger event associated with the central processing unit may be an event that occurs in the central processing unit and may trigger the central processing unit to restart.
Optionally, the at least one restart trigger event associated with the central processor includes, but is not limited to: the method comprises the following steps that deadlock occurs to software in the central processing unit, software abnormal events or memory abnormal events in the central processing unit, the central processing unit is started abnormally, the central processing unit is in a dead cycle state, the central processing unit receives a reset instruction input by a user, the operation to be executed by the central processing unit is judged to be reset operation in the process that the central processing unit executes business logic, the user presses a reset key of the central processing unit, and the central processing unit receives a reset signal sent by a watchdog.
Optionally, the software exception event in the central processing unit includes but is not limited to: software exception interrupt in the central processing unit and software reset in the central processing unit. The memory exception event in the central processing unit is not limited to: and the memory of the central processing unit is insufficient.
Optionally, the anomaly monitoring process is a process that is written by a developer and set in the central processing unit and used for monitoring at least one restart trigger event related to the central processing unit during the running process of the central processing unit, and when the restart trigger event is monitored, sending an event record signal corresponding to the restart trigger event to the programmable logic device by using a corresponding general input/output interface. The central processor may invoke an anomaly monitoring process in the central processor.
Optionally, the Programmable logic device is a Field Programmable Gate Array (FPGA). The programmable logic device is used for storing information related to the restarting of the central processing unit. And a General Purpose Input/Output (GPIO) interface of the central processing unit is connected with a GPIO interface of the programmable logic device. The Serial Peripheral Interface (SPI) of the central processing unit is connected to the SPI of the programmable logic device.
Optionally, the central processing unit includes a plurality of general input/output interfaces. Each restart trigger event has a unique corresponding general input/output interface. The anomaly monitoring process may send event record signals corresponding to each of the restart trigger events to the programmable logic device using the general input output interface corresponding to each of the restart trigger events.
Optionally, the event record signal is a signal for instructing the programmable logic device to record event record data corresponding to the restart trigger event. The event recording signal corresponding to each restart trigger event may be a high-level signal or a low-level signal output by the general-purpose input/output interface corresponding to each restart trigger event.
Optionally, sending the event record signal corresponding to each restart trigger event to a programmable logic device by using a general input/output interface corresponding to each restart trigger event, where the method includes: and controlling the universal input and output interface corresponding to each restart trigger event to output a low-level signal.
In one embodiment, the general input/output interface of the central processing unit includes but is not limited to: the first universal input/output interface, the second universal input/output interface, the third universal input/output interface, the fourth universal input/output interface, the fifth universal input/output interface, the sixth universal input/output interface, the seventh universal input/output interface and the eighth universal input/output interface.
The first general input/output interface is a general input/output interface corresponding to the deadlock of the software in the central processing unit. The second general input/output interface is a general input/output interface corresponding to the software abnormal event or the memory abnormal event in the central processing unit. The third general input/output interface is a general input/output interface corresponding to the abnormal starting of the central processing unit. The fourth universal input/output interface is a universal input/output interface corresponding to the central processing unit in a dead cycle state. And the fifth universal input/output interface is a universal input/output interface corresponding to the reset instruction received by the central processing unit. And the sixth universal input/output interface is a universal input/output interface corresponding to the judgment that the operation to be executed by the central processing unit is the reset operation in the process of executing the business logic by the central processing unit. The seventh general input/output interface is a general input/output interface corresponding to the reset key of the central processing unit pressed by the user. The eighth general input/output interface is a general input/output interface corresponding to the reset signal sent by the watchdog received by the central processing unit.
And the event recording signal corresponding to the deadlock of the software in the central processing unit is a low-level signal output by the first general input/output interface. If the situation that the software in the central processing unit is deadlock is monitored, controlling a first general input/output interface to output a low level signal through an abnormality monitoring process so that the programmable logic device receives the low level signal, storing event record data corresponding to the deadlock of the software in the central processing unit into an event register, and storing storage time information of the event record data into a time register.
And the event record signal corresponding to the software abnormal event or the memory abnormal event in the central processing unit is a low-level signal output by the second general input/output interface. If the software abnormal event or the memory abnormal event in the central processing unit is monitored, controlling a second general input/output interface to output a low level signal through an abnormal monitoring process, so that the programmable logic device receives the low level signal, storing event record data corresponding to the software abnormal event or the memory abnormal event in the central processing unit into an event register, and storing storage time information of the event record data into a time register.
And the event recording signal corresponding to the abnormal starting of the central processing unit is a low level signal output by the third general input/output interface. If the central processing unit is monitored to be abnormally started, controlling a third general input/output interface to output a low level signal through an abnormality monitoring process so that the programmable logic device receives the low level signal, storing event record data corresponding to the abnormal starting of the central processing unit into an event register, and storing storage time information of the event record data into a time register.
Optionally, the event record data corresponding to each restart trigger event is data for characterizing that each restart trigger event occurs in the central processing unit. The event record data corresponding to each restart trigger event may be a preset character string uniquely corresponding to each restart trigger event, and is used to characterize each restart trigger event occurring in the central processing unit.
In a specific example, the event record data corresponding to the event may be a preset 8-bit string uniquely corresponding to the event, and used for characterizing that the event occurs in the central processing unit. The string "000xxxxx" is the event log data corresponding to the central processor power-on initiation. The character string "001xxxxx" is event log data corresponding to the reset signal transmitted from the watchdog received by the central processor. The character string "01000000" is event record data corresponding to a reset instruction that the central processor receives from a user. The character string "01000001" is event record data corresponding to the operation to be executed by the central processing unit, which is determined to be a reset operation in the process of executing the business logic by the central processing unit. The character string "01100000" is event record data corresponding to the user pressing the reset key of the central processor. The character string "01100001" is event record data corresponding to the first main control board controlling the reset of the central processing unit. The character string "01100010" is event log data corresponding to the second main control board controlling the resetting of the central processing unit. The character string "01100100" is event record data corresponding to the cpu startup exception. The character string "01101000" is event record data corresponding to a software exception or a memory exception in the central processing unit. The character string "01110000" is event record data corresponding to deadlock of software in the central processing unit.
The upper 3 bits of the 8-bit string are used to characterize the type of central processor startup process associated with the event. "000" is used to characterize the type of central processor startup process associated with an event as a central processor cold start. "001" is used to characterize the type of central processor startup process associated with an event as a watchdog controlled central processor restart. "010" is used to characterize the type of the central processor startup process associated with an event as a reset command controlling the central processor restart. "011" is used to characterize the type of event-related central processor boot process as an external source controlled central processor reboot.
Step 102, if a target restart trigger event is monitored, sending an event recording signal corresponding to the target restart trigger event to a programmable logic device through an exception monitoring process by using a general input/output interface corresponding to the target restart trigger event, so that the programmable logic device receives the event recording signal, stores event recording data corresponding to the target restart trigger event to an event register, and stores storage time information of the event recording data to a time register.
Optionally, the target restart triggering event is an event that occurs in the central processing unit at the current time and can trigger the central processing unit to restart. And if the target restart trigger event is monitored, sending an event recording signal corresponding to the target restart trigger event to a programmable logic device by using a general input/output interface corresponding to the target restart trigger event through an abnormal monitoring process. And the programmable logic device receives the event recording signal, stores event recording data corresponding to the target restart trigger event into an event register, and stores storage time information of the event recording data into a time register.
Therefore, the data used for representing the occurrence of the target restart trigger event in the central processing unit and the storage time information of the data are stored through the programmable logic device, the target restart trigger event occurring in the central processing unit is recorded, and the time information used for assisting in judging the occurrence time of the target restart trigger event is recorded.
Optionally, the event register is a register in the programmable logic device, and is used to store event record data corresponding to the restart trigger event.
In one specific example, the event register is N registers in the programmable logic device for storing event record data corresponding to the restart trigger event. Wherein N is more than or equal to 3 and less than or equal to 255. The register addresses of the N registers are arranged from high to low. The programmable logic device stores the data of each event record to N registers in a cyclic stack pressing mode. When storing the event record data for the first time, storing the event record data in the register with the lowest register address. And when the event record data is stored for the second time, pushing the first event record data to the address high order. In the case where the N registers are full, the oldest stored event record data will be dropped by the push stack. The register with the lowest register address stores the event record data which needs to be stored last time.
Optionally, the programmable logic device controls the event register to be cleared when detecting that the central processing unit is cold-started. And after the programmable logic device receives a reset signal sent by the watchdog, the event register is controlled to be cleared.
Optionally, the time register is a register for storing time information of the event record data in the programmable logic device.
In one specific example, the time register is N registers for storing time information of the event record data in the programmable logic device. Wherein N is more than or equal to 3 and less than or equal to 255. The register addresses of the N registers are arranged from high to low. The programmable logic device stores each storage time information to N registers in a cyclic stack pressing mode. When storing the storage time information for the first time, the storage time information is stored in the register with the lowest register address. And when the storage time information is stored for the second time, pushing the storage time information for the first time to the address high order. In the case where the N registers are full, the oldest stored storage time information will be dropped by the push stack. The register with the lowest register address stores the storage time information of the event record data which needs to be stored last time.
Optionally, the storage time information of the event record data is information for characterizing the time when the programmable logic device stores the event record data.
Optionally, the storage time information of the event record data may be a count value of a timer in the programmable logic device when the programmable logic device stores the event record data. The time for the programmable logic device to store the event record data can be determined according to the time for the programmable logic device to start timing and the count value of the timer in the programmable logic device when the programmable logic device stores the event record data. The time for storing the event record data by the programmable logic device can assist in judging the occurrence time of the restart trigger event.
Optionally, the method further includes: the temperature data of the central processing unit is collected at regular time, and the temperature data is sent to the programmable logic device through a serial peripheral interface, so that the programmable logic device receives the temperature data and stores the temperature data to a temperature register.
Optionally, the temperature data of the central processing unit is an operating temperature of the central processing unit. The central processing unit regularly acquires the temperature data of the central processing unit according to a preset time interval. And the central processing unit sends the acquired temperature data to the programmable logic device through a serial peripheral interface. And the programmable logic device receives the temperature data and stores the temperature data to a temperature register. The temperature register is a register in the programmable logic device for storing temperature data of the central processing unit.
Optionally, the programmable logic device stores the storage time information of the last stored temperature data to the temperature time register. The storage time information of the temperature data is information for characterizing the time at which the programmable logic device stores the temperature data. The storage time information of the temperature data may be a count value of a timer in the programmable logic device when the programmable logic device stores the temperature data. The time for the programmable logic device to store the temperature data can be determined according to the time for the programmable logic device to start timing and the count value of the timer in the programmable logic device when the programmable logic device stores the temperature data. The temperature time register is a register for storing storage time information of temperature data stored last time in the programmable logic device.
Therefore, the temperature data of the central processing unit is stored through the programmable logic device, the working temperature of the central processing unit at different moments is recorded, and whether the working temperature of the central processing unit is too high or not is judged in an auxiliary mode to trigger the restarting of the central processing unit.
Optionally, the method further includes: and determining the interrupt time length of the central processing unit at regular time, and sending the interrupt time length to the programmable logic device through a serial peripheral interface so that the programmable logic device receives the interrupt time length and stores the interrupt time length to an interrupt time length register.
Optionally, the interrupt duration of the central processing unit is a total duration of the central processing unit processing the interrupt event. And the central processing unit counts the interruption time of the central processing unit according to a preset time interval and the start time and the end time of each interruption event processed by the central processing unit. And the central processing unit sends the counted interrupt time length of the central processing unit to the programmable logic device through a serial peripheral interface. And the programmable logic device receives the interrupt duration and stores the interrupt duration to an interrupt duration register. The interrupt duration register is a register in the programmable logic device for storing the interrupt duration of the central processing unit.
Therefore, the total duration of the central processing unit for processing the interrupt events is stored through the programmable logic device, the total duration of the central processing unit for processing the interrupt events at different moments is recorded, and whether the central processing unit is triggered to restart excessively by the interrupt events processed by the central processing unit or not is judged in an auxiliary manner.
According to the technical scheme of the embodiment of the invention, at least one restart trigger event related to a central processing unit is monitored in the running process of the central processing unit through an abnormal monitoring process; under the condition that a target restart trigger event is monitored, an event recording signal corresponding to the target restart trigger event is sent to a programmable logic device through an abnormality monitoring process by using a general input/output interface corresponding to the target restart trigger event, so that the programmable logic device receives the event recording signal, stores event recording data corresponding to the target restart trigger event into an event register, and stores storage time information of the event recording data into a time register.
Example two
Fig. 2 is a flowchart of a restart information recording method according to a second embodiment of the present invention. The embodiment can be applied to the condition of recording the information related to the restarting of the central processing unit in the running process of the central processing unit of the switch. The method may be performed by a reboot information recording apparatus, which may be implemented in hardware and/or software, and which may be configured in a programmable logic device. The programmable logic device is connected with the central processing unit of the switch. As shown in fig. 2, the method includes:
Optionally, the target restart triggering event is an event that occurs in the central processing unit at the current time and can trigger the central processing unit to restart. And if the central processing unit monitors a target restart trigger event, sending an event recording signal corresponding to the target restart trigger event to a programmable logic device by using a general input/output interface corresponding to the target restart trigger event through an exception monitoring process.
Optionally, the event record signal is a signal for instructing the programmable logic device to record event record data corresponding to the restart trigger event. The event recording signal corresponding to each restart trigger event may be a high-level signal or a low-level signal output by the general-purpose input/output interface corresponding to each restart trigger event.
In one embodiment, the general input/output interface of the central processing unit includes but is not limited to: the first universal input/output interface, the second universal input/output interface, the third universal input/output interface, the fourth universal input/output interface, the fifth universal input/output interface, the sixth universal input/output interface, the seventh universal input/output interface and the eighth universal input/output interface.
The first general input/output interface is a general input/output interface corresponding to the deadlock of the software in the central processing unit. The second general input/output interface is a general input/output interface corresponding to the software abnormal event or the memory abnormal event in the central processing unit. The third general input/output interface is a general input/output interface corresponding to the abnormal starting of the central processing unit. The fourth universal input/output interface is a universal input/output interface corresponding to the central processing unit in a dead cycle state. And the fifth universal input/output interface is a universal input/output interface corresponding to the reset instruction received by the central processing unit from the user. And the sixth universal input/output interface is a universal input/output interface corresponding to the operation to be executed by the central processing unit which is judged to be reset operation in the process of executing the business logic by the central processing unit. The seventh general input/output interface is a general input/output interface corresponding to the reset key of the central processing unit pressed by the user. The eighth general input/output interface is a general input/output interface corresponding to the reset signal sent by the watchdog received by the central processing unit.
And the event recording signal corresponding to the deadlock of the software in the central processing unit is a low-level signal output by the first general input/output interface. If the situation that the software in the central processing unit is deadlock is monitored, controlling a first general input and output interface to output a low level signal through an exception monitoring process so that the programmable logic device receives the low level signal, storing event record data corresponding to the deadlock of the software in the central processing unit into an event register, and storing storage time information of the event record data into a time register.
And the event record signal corresponding to the software abnormal event or the memory abnormal event in the central processing unit is a low-level signal output by the second general input/output interface. If the central processing unit monitors a software abnormal event or a memory abnormal event in the central processing unit, the central processing unit controls a second general input/output interface to output a low level signal through an abnormal monitoring process, so that the programmable logic device receives the low level signal, stores event record data corresponding to the software abnormal event or the memory abnormal event in the central processing unit into an event register, and stores storage time information of the event record data into a time register.
And the event recording signal corresponding to the abnormal starting of the central processing unit is a low level signal output by the third general input/output interface. If the central processing unit monitors that the central processing unit is abnormally started, the central processing unit controls a third general input/output interface to output a low level signal through an abnormality monitoring process, so that the programmable logic device receives the low level signal, event recording data corresponding to the abnormal starting of the central processing unit is stored in an event register, and storage time information of the event recording data is stored in a time register.
Optionally, the event record data corresponding to each restart trigger event is data for characterizing that each restart trigger event occurs in the central processing unit. The event record data corresponding to each restart trigger event may be a preset character string uniquely corresponding to each restart trigger event, and is used to characterize each restart trigger event occurring in the central processing unit.
In one embodiment, the event record data corresponding to the event may be a preset 8-bit string uniquely corresponding to the event, and is used for characterizing the event occurring in the central processing unit. The string "000xxxxx" is the event log data corresponding to the central processor power-on initiation. The character string "001xxxxx" is event record data corresponding to a reset signal transmitted from the watchdog received by the central processing unit. The character string "01000000" is event record data corresponding to a reset instruction that the central processor receives from a user. The character string "01000001" is event record data corresponding to the operation to be executed by the central processing unit, which is determined to be a reset operation in the process of executing the business logic by the central processing unit. The character string "01100000" is event log data corresponding to the user pressing the reset key of the central processing unit. The character string "01100001" is the event record data corresponding to the first main control board controlling the reset of the central processing unit. The character string "01100010" is event log data corresponding to the second main control board controlling the resetting of the central processing unit. The character string "01100100" is event record data corresponding to the cpu boot exception. The character string "01101000" is event record data corresponding to a software exception or a memory exception in the central processing unit. The character string "01110000" is event record data corresponding to deadlock of software in the central processing unit.
Optionally, the programmable logic device receives the event recording signal, stores event recording data corresponding to the target restart trigger event to an event register, and stores storage time information of the event recording data to a time register.
Therefore, the data used for representing the occurrence of the target restart trigger event in the central processing unit and the storage time information of the data are stored through the programmable logic device, the target restart trigger event occurring in the central processing unit is recorded, and the time information used for assisting in judging the occurrence time of the target restart trigger event is recorded.
Optionally, the event register is a register in the programmable logic device, and is used to store event record data corresponding to the restart trigger event.
In one specific example, the event register is N registers in the programmable logic device for storing event record data corresponding to the restart trigger event. Wherein N is more than or equal to 3 and less than or equal to 255. The register addresses of the N registers are arranged from high to low. The programmable logic device stores the data of each event record to N registers in a cyclic stack pressing mode. When the event record data is stored for the first time, the event record data is stored in the register with the lowest register address. And when the event record data is stored for the second time, pushing the event record data for the first time to the address high bit. In the case where the N registers are full, the oldest stored event record data will be dropped by the push stack. The register with the lowest register address stores the event record data which needs to be stored last time.
Optionally, the programmable logic device controls the event register to be cleared when detecting that the central processing unit is cold-started. And after the programmable logic device receives a reset signal sent by the watchdog, the event register is controlled to be cleared.
And step 203, storing the storage time information of the event record data into a time register.
Optionally, the time register is a register for storing time information of the event record data in the programmable logic device.
In one specific example, the time register is N registers for storing time information of the event record data in the programmable logic device. Wherein N is more than or equal to 3 and less than or equal to 255. The register addresses of the N registers are arranged from high to low. The programmable logic device stores each storage time information to N registers in a cyclic stack pressing mode. When storing the storage time information for the first time, the storage time information is stored in the register with the lowest register address. And when the storage time information is stored for the second time, pushing the storage time information for the first time to the address high order. In the case where the N registers are full, the oldest stored storage time information will be dropped by the push stack. The register with the lowest register address stores the storage time information of the event record data which needs to be stored last time.
Optionally, the storage time information of the event record data is information for characterizing the time when the programmable logic device stores the event record data.
Optionally, the storage time information of the event record data may be a count value of a timer in the programmable logic device when the programmable logic device stores the event record data. The time for the programmable logic device to store the event record data can be determined according to the time for the programmable logic device to start timing and the count value of the timer in the programmable logic device when the programmable logic device stores the event record data. The time for storing the event record data by the programmable logic device can assist in judging the occurrence time of the restart trigger event.
Optionally, the method further includes: and receiving the temperature data sent by the central processing unit, and storing the temperature data to a temperature register.
Optionally, the temperature data of the central processing unit is an operating temperature of the central processing unit. And the central processing unit regularly acquires the temperature data of the central processing unit according to a preset time interval. And the central processing unit sends the acquired temperature data to the programmable logic device through the serial peripheral interface. And the programmable logic device receives the temperature data and stores the temperature data to a temperature register. The temperature register is a register in the programmable logic device for storing temperature data of the central processing unit.
Therefore, the temperature data of the central processing unit is stored through the programmable logic device, the working temperature of the central processing unit at different moments is recorded, and whether the working temperature of the central processing unit is too high or not is judged in an auxiliary mode to trigger the restarting of the central processing unit.
Optionally, the method further includes: and receiving the interrupt time length sent by the central processing unit, and storing the interrupt time length to an interrupt time length register.
Optionally, the interrupt duration of the central processing unit is a total duration of the central processing unit processing the interrupt event. And the central processing unit counts the interruption time of the central processing unit according to a preset time interval and the start time and the end time of each interruption event processed by the central processing unit. And the central processing unit sends the counted interrupt time length of the central processing unit to the programmable logic device through a serial peripheral interface. And the programmable logic device receives the interrupt duration and stores the interrupt duration to an interrupt duration register. The interrupt duration register is a register in the programmable logic device for storing the interrupt duration of the central processing unit.
Therefore, the total duration of the central processing unit for processing the interrupt events is stored through the programmable logic device, the total duration of the central processing unit for processing the interrupt events at different moments is recorded, and whether the central processing unit is triggered to restart excessively by the interrupt events processed by the central processing unit or not is judged in an auxiliary manner.
According to the technical scheme of the embodiment of the invention, an event recording signal which is sent by a central processing unit and corresponds to a target restart trigger event is received; then storing event record data corresponding to the target restart trigger event to an event register; the method has the advantages that the specific reason for triggering the restart can be rapidly determined according to the information related to the restart in the programmable logic device after the CPU is abnormally restarted.
EXAMPLE III
Fig. 3 is a schematic structural diagram of a restart information recording apparatus according to a third embodiment of the present invention. The apparatus may be configured in a central processing unit of a switch, the central processing unit being connected to a programmable logic device. As shown in fig. 3, the apparatus includes: an event monitoring module 301 and a signal sending module 302.
The event monitoring module 301 is configured to monitor, through an exception monitoring process, at least one restart trigger event related to the central processing unit during an operation of the central processing unit; the signal sending module 302 is configured to, if a target restart trigger event is monitored, send an event record signal corresponding to the target restart trigger event to a programmable logic device through an exception monitoring process by using a general input/output interface corresponding to the target restart trigger event, so that the programmable logic device receives the event record signal, stores event record data corresponding to the target restart trigger event to an event register, and stores storage time information of the event record data to a time register.
According to the technical scheme of the embodiment of the invention, at least one restart trigger event related to a central processing unit is monitored in the running process of the central processing unit through an abnormal monitoring process; under the condition that a target restart trigger event is monitored, an event recording signal corresponding to the target restart trigger event is sent to a programmable logic device through an abnormality monitoring process by using a general input/output interface corresponding to the target restart trigger event, so that the programmable logic device receives the event recording signal, stores event recording data corresponding to the target restart trigger event into an event register, and stores storage time information of the event recording data into a time register.
In an optional implementation manner of the embodiment of the present invention, optionally, the restarting information recording apparatus further includes: and the temperature data sending module is used for collecting the temperature data of the central processing unit at regular time and sending the temperature data to the programmable logic device through a serial peripheral interface so that the programmable logic device receives the temperature data and stores the temperature data to the temperature register.
In an optional implementation manner of the embodiment of the present invention, optionally, the restart information recording apparatus further includes: and the interrupt duration sending module is used for determining the interrupt duration of the central processing unit at regular time and sending the interrupt duration to the programmable logic device through a serial peripheral interface so that the programmable logic device receives the interrupt duration and stores the interrupt duration to an interrupt duration register.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
Example four
Fig. 4 is a schematic structural diagram of a restart information recording apparatus according to a fourth embodiment of the present invention. The apparatus may be configured in a programmable logic device that is connected to a central processing unit of a switch. As shown in fig. 4, the apparatus includes: a signal receiving module 401, a data storage module 402 and a time storage module 403.
The signal receiving module 401 is configured to receive an event record signal, which is sent by the central processing unit and corresponds to a target restart trigger event; a data storage module 402, configured to store event record data corresponding to the target restart trigger event into an event register; a time storage module 403, configured to store the storage time information of the event record data in a time register.
According to the technical scheme of the embodiment of the invention, an event recording signal which is sent by a central processing unit and corresponds to a target restart trigger event is received; then storing event record data corresponding to the target restart trigger event to an event register; the method has the advantages that the specific reason for triggering the restart can be rapidly determined according to the information related to the restart in the programmable logic device after the CPU is abnormally restarted.
In an optional implementation manner of the embodiment of the present invention, optionally, the restart information recording apparatus further includes: and the temperature data storage module is used for receiving the temperature data sent by the central processing unit and storing the temperature data to the temperature register.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
EXAMPLE five
Fig. 5A is a schematic structural diagram of a restart information recording system according to a fifth embodiment of the present invention. As shown in fig. 5A, the system includes: a central processor 501 of the switch and a programmable logic device 502.
The central processing unit 501 is configured to monitor, through an exception monitoring process, at least one restart trigger event related to the central processing unit 501 during an operation process of the central processing unit 501; if a target restart trigger event is monitored, an event recording signal corresponding to the target restart trigger event is sent to a programmable logic device 502 through an exception monitoring process by using a general input/output interface corresponding to the target restart trigger event, so that the programmable logic device 502 receives the event recording signal, stores event recording data corresponding to the target restart trigger event into an event register, and stores storage time information of the event recording data into a time register.
The programmable logic device 502 is configured to receive an event record signal corresponding to a target restart trigger event sent by the central processing unit 501; storing event record data corresponding to the target restart trigger event to an event register; and storing the storage time information of the event record data into a time register.
In the technical scheme of the embodiment of the invention, the central processing unit monitors at least one restart trigger event related to the central processing unit in the running process of the central processing unit through an abnormal monitoring process; under the condition that a target restart trigger event is monitored, a central processing unit sends an event recording signal corresponding to the target restart trigger event to a programmable logic device by using a general input/output interface corresponding to the target restart trigger event through an abnormity monitoring process, so that the programmable logic device receives the event recording signal, stores event recording data corresponding to the target restart trigger event into an event register, and stores storage time information of the event recording data into a time register.
In an optional implementation manner of the embodiment of the present invention, optionally, as shown in fig. 5B, the system includes: a central processor 511 of the switch, a programmable logic device 512, a driver 513, and a watchdog 514. Programmable logic device 512 is an FPGA. The programmable logic device 512 is used to store information related to the restart of the central processor 511. The GPIO interface of the central processing unit 511 is connected to the GPIO interface of the programmable logic device 512. The SPI of the cpu 511 is connected to the SPI of the programmable logic device. The watchdog 514 sends a reset signal to the driver 513 according to a preset period. The driver 513 is configured to drive and amplify the reset signal and output the reset signal to the central processing unit 511 and the programmable logic device 512, so as to instruct the central processing unit 511 and the programmable logic device 512 to reset.
EXAMPLE six
Fig. 6 shows a schematic structural diagram of an electronic device 10 that can be used to implement the restart information recording method of the embodiment of the present invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. The electronic device may also represent various forms of mobile devices, such as personal digital assistants, cellular phones, smart phones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 6, the electronic device 10 includes at least one processor 11, and a memory communicatively connected to the at least one processor 11, such as a Read Only Memory (ROM) 12, a Random Access Memory (RAM) 13, and the like, wherein the memory stores a computer program executable by the at least one processor, and the processor 11 may perform various suitable actions and processes according to the computer program stored in the Read Only Memory (ROM) 12 or the computer program built from the storage unit 18 into the Random Access Memory (RAM) 13. In the RAM 13, various programs and data necessary for the operation of the electronic apparatus 10 may also be stored. The processor 11, the ROM 12, and the RAM 13 are connected to each other via a bus 14. An input/output (I/O) interface 15 is also connected to bus 14.
A number of components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16 such as a keyboard, a mouse, or the like; an output unit 17 such as various types of displays, speakers, and the like; a storage unit 18 such as a magnetic disk, optical disk, or the like; and a communication unit 19 such as a network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication networks.
The processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various dedicated Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, a Digital Signal Processor (DSP), and any suitable processor, controller, microcontroller, and so forth. The processor 11 executes the respective methods and processes described above, such as the restart information recording method.
In some embodiments, the restart information recording method may be implemented as a computer program that is tangibly embodied in a computer-readable storage medium, such as the storage unit 18. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19. When the computer program is built into the RAM 13 and executed by the processor 11, one or more steps of the restart information recording method described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to perform the restart information recording method by any other suitable means (e.g., by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuitry, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), system on a chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs that are executable and/or interpretable on a programmable system including at least one programmable processor, which may be special or general purpose, receiving data and instructions from, and transmitting data and instructions to, a storage system, at least one input device, and at least one output device.
The computer program for implementing the restart information recording method of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be performed. A computer program can execute entirely on a machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. A computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) by which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic, speech, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a back-end component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such back-end, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. A client and server are generally remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical host and VPS service are overcome.
It should be understood that various forms of the flows shown above, reordering, adding or deleting steps, may be used. For example, the steps described in the present invention may be executed in parallel, sequentially, or in different orders, and are not limited herein as long as the desired result of the technical solution of the present invention can be achieved.
The above-described embodiments should not be construed as limiting the scope of the invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A restart information recording method, applied to a central processing unit of a switch, the central processing unit being connected to a programmable logic device, comprising:
monitoring at least one restart trigger event related to the central processing unit in the running process of the central processing unit through an abnormality monitoring process;
if a target restart trigger event is monitored, sending an event record signal corresponding to the target restart trigger event to a programmable logic device through an exception monitoring process by using a general input/output interface corresponding to the target restart trigger event, so that the programmable logic device receives the event record signal, stores event record data corresponding to the target restart trigger event to an event register, and stores storage time information of the event record data to a time register.
2. The method of claim 1, further comprising:
the temperature data of the central processing unit is collected at regular time, and the temperature data is sent to the programmable logic device through a serial peripheral interface, so that the programmable logic device receives the temperature data and stores the temperature data to a temperature register.
3. The method of claim 1, further comprising:
and determining the interrupt time length of the central processing unit at regular time, and sending the interrupt time length to the programmable logic device through a serial peripheral interface so that the programmable logic device receives the interrupt time length and stores the interrupt time length to an interrupt time length register.
4. A restart information recording method applied to a programmable logic device connected to a central processing unit of a switch, comprising:
receiving an event record signal which is sent by a central processing unit and corresponds to a target restart trigger event;
storing event record data corresponding to the target restart trigger event to an event register;
and storing the storage time information of the event record data into a time register.
5. The method of claim 4, further comprising:
and receiving the temperature data sent by the central processing unit, and storing the temperature data to a temperature register.
6. A restart information recording apparatus, which is provided in a central processing unit of a switch, the central processing unit being connected to a programmable logic device, comprising:
the event monitoring module is used for monitoring at least one restart triggering event related to the central processing unit in the running process of the central processing unit through an abnormal monitoring process;
and the signal sending module is used for sending an event recording signal corresponding to the target restart trigger event to a programmable logic device through an exception monitoring process by using a general input/output interface corresponding to the target restart trigger event so that the programmable logic device receives the event recording signal, stores event recording data corresponding to the target restart trigger event to an event register, and stores storage time information of the event recording data to a time register.
7. A restart information recording apparatus, provided in a programmable logic device connected to a central processing unit of a switch, comprising:
the signal receiving module is used for receiving an event recording signal which is sent by the central processing unit and corresponds to a target restart trigger event;
the data storage module is used for storing event record data corresponding to the target restart trigger event to an event register;
and the time storage module is used for storing the storage time information of the event record data to a time register.
8. A restart information recording system, comprising: a central processing unit and a programmable logic device of the switch;
wherein the central processor is configured to execute the restart information recording method of any one of claims 1 to 3;
the programmable logic device is configured to perform the restart information recording method of any one of claims 4 to 5.
9. An electronic device, characterized in that the electronic device comprises:
at least one processor;
and a memory communicatively coupled to the at least one processor;
wherein the memory stores a computer program executable by the at least one processor, the computer program being executable by the at least one processor to enable the at least one processor to perform the restart information recording method of any one of claims 1 to 3, or the restart information recording method of any one of claims 4 to 5.
10. A computer-readable storage medium, characterized in that it stores computer instructions for causing a processor, when executed, to implement the restart information recording method of any one of claims 1 to 3, or the restart information recording method of any one of claims 4 to 5.
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