Patent ID: 7302614
Filing Date: 2007-11-27
Classification: G06F,H04L

Abstract:
1. A bus analyzer which traces data flowing on a bus connecting a host computer to a peripheral device, said bus analyzer being connected between the host computer and the peripheral device on the bus, said bus analyzer comprising: an initialization information memory in which device information transferred by the peripheral device to the host computer in response to a request from the host computer at the time of initialization when connecting the peripheral device to the host computer, is recorded correspondently to an address assigned to the peripheral device; and a trace data memory in which the data transferred on the bus is recorded correspondently to the address; and a trace controller which monitors data transferred on the bus, identifies whether or not the transferred data matches with a predetermined trace condition by referring to the device information stored in the initialization information memory, acquires the transferred data of the peripheral device which matches with the trace condition, and stores the acquired data into the trace data memory.