From: Patrick G. Bridges Date: Thu, 12 Jan 2012 18:52:35 +0000 (-0700) Subject: Minor comment changes to documentation in vmm_time.c X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=commitdiff_plain;h=8e158e5f8b789a55de714b6c888270389126c5b6;p=palacios.releases.git Minor comment changes to documentation in vmm_time.c --- diff --git a/palacios/src/palacios/vmm_time.c b/palacios/src/palacios/vmm_time.c index 2295b3f..7661832 100644 --- a/palacios/src/palacios/vmm_time.c +++ b/palacios/src/palacios/vmm_time.c @@ -58,7 +58,7 @@ * (1) Add support for temporarily skewing guest time off of where it should * be to support slack simulation of guests. The idea is that simulators * set this skew to be the difference between how much time passed for a - * simulated feature and a real implementation of that feature, making + * simulated feature and a real implementation of that feature, making time * pass at a different rate from real time on this core. The VMM will then * attempt to move this skew back towards 0 subject to resolution/accuracy * constraints from various system timers. @@ -66,6 +66,12 @@ * The main effort in doing this will be to get accuracy/resolution * information from each local timer and to use this to bound how much skew * is removed on each exit. + * + * (2) Look more into sychronizing the offsets *across* virtual and physical + * cores so that multicore guests stay mostly in sync. + * + * (3) Look into using the AMD TSC multiplier feature and adding explicit time + * dilation support to time handling. */