Signal monitoring method, system and device and storage medium

Abstract

The invention provides a signal monitoring method, system and device and a storage medium, and the method comprises the steps: setting a register in a processor for storing an abnormal signal, and setting a data reading address pointer and a data writing address pointer; setting a timer in a processor, reading a count value of the timer in response to the detected abnormal signal, and storing the count value in the register; storing the state of the abnormal signal to a data write-in address, and moving a data write-in address pointer towards a first direction; and in response to the fact that the communication interval time between the processor and the BMC exceeds a threshold value, using the time for triggering interruption as the time for occurrence of the abnormal data received next time. According to the invention, a CPLD and BMC bidirectional timing mechanism is adopted to record the triggering time of the abnormal signal, so that subsequent maintenance personnel can conveniently locate the cause of the abnormality according to the occurrence time of the abnormality.

Description

technical field [0001] The present invention relates to the field of servers, and more particularly, to a method, system, device and storage medium for signal monitoring. Background technique [0002] In the server, the main board CPLD (Complex Programmable Logic Device, complex programmable logic device) is mainly used to realize the power-on and power-off sequence control and signal monitoring functions of the board. During the operation of the server, the server may be powered off abnormally due to circuit problems or improper operation. In the follow-up maintenance, it is necessary to analyze the cause of the power failure according to the abnormal power failure point. Therefore, the CPLD needs to record the status of all sequence signals and alarm signals at the time of the power failure. [0003] Existing technical method is mainly CPLD real-time monitoring timing signal and alarm signal, when abnormal power failure or alarm occurs, latch the state of current signal i...

AI Technical Summary

Problems solved by technology

However, existing technical methods cannot simultaneously detect two abnormal signals with short intervals

Since the register storing the signal state is in a latched state during abnormal data transmission, if an abnormality occurs again, the signal state will not be recorded this time, resulting in loss of abnormal data

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