You would have to provide us with at Exec trace of it happening to be sure, but the only reason that comes to mind is if the instruction takes a fault or is a syscall, the atomic cpu might execute the faulting instruction and the first instruction of the fault handler in the same cycle.
Ali On Nov 14, 2010, at 12:24 AM, Veydan Wu wrote: > Hi, I am using the atomic CPU in alpha FS mode. Because I need to do some > statistics based on instruction count, two instructions in the same "tick" > makes some instruction count be 0. Could someone tell me why it occurs given > that the "width" parameter is "1" by default? thanks. > > -- > weidan > _______________________________________________ > m5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users _______________________________________________ m5-users mailing list [email protected] http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
