Whilst looking up what profile=sleep did, I noticed that we missed
adding docs for the most recent addition to the profiler.
Signed-off-by: Dave Jones <davej@redhat.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
                        Param: <number> - step/bucket size as a power of 2 for
                                statistical time based profiling.
                        Param: "sleep" - profile D-state sleeping (millisecs)
+                       Param: "kvm" - profile VM exits.
 
        processor.max_cstate=   [HW,ACPI]
                        Limit processor to maximum C-state