On 18.04.2012, at 18:01, Bharat Bhushan wrote: > Time for which the hrtimer is started for decrementer emulation is calculated > using tb_ticks_per_usec. While hrtimer uses the clockevent for DEC > reprogramming (if needed) and which calculate timebase ticks using the > multiplier and shifter mechanism implemented within clockevent layer. It was > observed that this conversion (timebase->time->timebase) are not correct > because the mechanism are not consistent. In our setup it adds 2% jitter. > > With this patch clockevent multiplier and shifter mechanism are used when > starting hrtimer for decrementer emulation. Now the jitter is < 0.5%. > > Signed-off-by: Bharat Bhushan <[email protected]>
Thanks, applied to kvm-ppc-next with fixed commit message and fixed trailing whitespace :). Alex -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
