On Mon, 8 Jan 2007, H. Peter Anvin wrote: > I *definitely* support the concept that RDPMC 0 should could CPU cycles by > convention in Linux.
unfortunately that'd be very limiting and annoying on core2 processors which have dedicated perf counters for clocks unhalted (actual vs. nominal), but only 2 configurable perf counters. i forget what ecx value gets you the dedicated counters... but a solution which might work would be a syscall to return the perf counter number... or we could just merge perfmon ;) -dean - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
