> I've not calibrated to verify but that seems to be what the picture is > showing so there is some chance the time base is off. All the instruction > trace is there to walk it if necessary. There have been some comments > about NO_HZ adding some overhead from those who measure MHz around here > for things like MP3 load models. I hadn't looked very closely. One question might be is if the timekeeping could be deferred until after you have serviced the IRQ. Is there a reason to make the ISR wait for housekeeping? Regards, Richard W. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
