perf kvm stat: Properly show submicrosecond times
For lots of exits the min time (and sometimes max) is 0 or 1. Lets increase the accurancy similar to what the average field alread does. Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com> Acked-by: NDavid Ahern <dsahern@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: kvm@vger.kernel.org Link: http://lkml.kernel.org/r/1406805231-10675-2-git-send-email-borntraeger@de.ibm.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
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