Steve Reinhardt <stever <at> gmail.com> writes: > > I don't know all the ins and outs of how stats are accumulated > (they're not always counting what you think they are), but do realize > that in FS mode cores that aren't running user code are in the kernel > idle loop (just like on a real machine). So total ticks should > normally be consistent across all the cores since the cores don't > magically vanish and reappear based on whether they have something to > do. (Though there may be differences if you're simulating from boot > and the OS actually enables the extra cores later in the boot > process.) > > As for 2 vs 4 cores, that's more mysterious, but if your benchmark is > too small then you could be getting eaten up by overheads. > > Steve >
I am reposting this reply since I never heard a response on it... How can I tell how many of the kernel mode ticks are being used to handle the pthreads management and how much is being spent in kernel mode idle loop? Is that what the two percentages are to the immediate right of the number of ticks in the output file? What are these percentages if not? Thanks! Aaron _______________________________________________ m5-users mailing list [email protected] http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
