From: Keir Fraser Date: Fri, 16 Oct 2009 07:34:49 +0000 (+0100) Subject: x86: document tsc_native configuration option in xmexample.hvm. X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~13214 X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks://%22Dat/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22Dat?a=commitdiff_plain;h=81a8a749f5e1f770933eb3889c069eff23cdf143;p=xen.git x86: document tsc_native configuration option in xmexample.hvm. Set the default value to 1 Signed-off-by: Xiantao Zhang --- diff --git a/tools/examples/xmexample.hvm b/tools/examples/xmexample.hvm index 5f43337007..e5ae97f966 100644 --- a/tools/examples/xmexample.hvm +++ b/tools/examples/xmexample.hvm @@ -177,6 +177,12 @@ stdvga=0 # then xm console or minicom can connect serial='pty' +#---------------------------------------------------------------------------- +# tsc_native : TSC mode (0=emulate TSC, 1=native TSC) +# emulate TSC provides synced TSC for all vcpus, but lose perfomrance. +# native TSC leverages hardware's TSC(no perf loss), but vcpu's TSC may lose +# sync due to hardware's unreliable/unsynced TSC between CPUs. +tsc_native=1 #----------------------------------------------------------------------------- # Qemu Monitor, default is disable