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98results about How to "Reduce hardware overhead" patented technology

Monitoring method and device of JAVA application system in running

The invention discloses a monitoring method and device of a JAVA application system in running. The JAVA application system monitoring method mainly comprises the steps of: describing a monitored class or method and a monitor control index through a configuration file; (2) modifying starting parameters of an application program, and loading Agent when a JVM (Java Virtual Machine) is started; (3) reading the configuration file by the Agent, and registering an event to be noticed according to a monitoring requirement; (4) obtaining a notice by the Agent when the application program runs and a specified class is loaded; (5) modifying a bytecode of a corresponding class by the Agent, and adding a logic required in monitoring; (6) initializing relevant index variable by the Agent; (7) automatically executing the monitoring logic when the monitored method is called, and obtaining the original data of the relevant index; and (8) computing the value of the relevant index by the Agent according to the description of the configuration file. By applying the JAVA application system monitoring method disclosed by the invention, the ability of an IT (Information Technology) operation and maintenance staff for diagnosing, analyzing, positioning and solving faults of an IT system can be improved remarkably.
Owner:勤智数码科技股份有限公司

Double 2-vote-2 redundant system and method

The invention provides a double 2-vote-2 redundant system and method. The system comprises a first part, a second part and a switching mechanism, wherein the first part comprises a first subsystem, a second subsystem and a first gate circuit, the first subsystem and the second subsystem are connected through a first main serial communication circuit and a first auxiliary serial communication circuit, the second part comprises a third subsystem, a fourth subsystem and a second gate circuit, and the third subsystem and the fourth subsystem are connected through a second main serial communication circuit and a second auxiliary serial communication circuit; all the subsystems receive the same input signal at the same time and conduct the same processing, each subsystem receives opposite-end data information from the corresponding subsystem at the opposite end through the corresponding main serial communication circuit and auxiliary serial communication circuit, sends local-end data information to the subsystem at the opposite end, and compares the opposite-end data information with the local-end data information and generates a comparison result signal, each gate circuit generates processing result signals according to the comparison result signals generated by the subsystems, and the switching mechanism generates switching control signals according to the processing result signals generated by the gate circuits. According to the double 2-vote-2 redundant system and method, more advanced double 2-vote-2 redundant system design is realized.
Owner:SIEMENS SIGNALLING

Efficient fetch production line supporting synchronous EDAC inspection

The invention discloses an efficient fetch production line supporting synchronous EDAC inspection. The procedure comprises the steps: (1) program address generate (AG), (2) program address send (AS), wherein the AS is used for receiving returned data from a Tag body, conducting hitting judgment, conducting Tag body accompany computation, judging whether errors occur in the Tag body and correcting the first stage errors, the production line is stopped when errors occur in the Tag body information which is received by the AS, the AS corrects the errors, then conducts the hitting judgment and judges whether to read a next stage memorizer or not, (3) program access ready wait (WT), wherein the WT is used for waiting for an instruction packet returned from a data body or the next memorizer, making judgment, conducting data body accompany computation, judging whether errors occur in the data body, correcting the first stage error and writing in the EDAC codes of the Tag body and the data body, and (4) program fetch packet receive (RE). The efficient fetch production line supporting synchronous EDAC inspection has the advantages of being efficient, strong in error correcting capability, little in hardware cost, transparent to a programmer and the like.
Owner:NAT UNIV OF DEFENSE TECH
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