> What other purposes do you see the performance counters useful for? Export one to user space as a cycle counter for benchmarking. RDTSC doesn't do this job anymore.
> To collect information on process characteristics so they can be scheduled > more efficiently? That might happen at some point in the future, but i would expect us to wait for CPUs with more performance counters first. > Is this going to require sharing the nmi interrupt and knowing which > perfcounter > register triggered the interrupt to get the correct action? Currently the > oprofile interrupt handler assumes any performance monitoring counter it sees > overflowing is something it should count. Yes. That needs to be fixed. -Andi ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
