diff --git a/profiles/realtime-virtual-host/tuned.conf b/profiles/realtime-virtual-host/tuned.conf

--- a/profiles/realtime-virtual-host/tuned.conf

+++ b/profiles/realtime-virtual-host/tuned.conf

@@ -38,10 +38,13 @@ assert=${f:assertion:isolated_cores contains present CPU(s):${isolated_cores_exp

 group.ksoftirqd=0:f:2:*:ksoftirqd.*

 # for i in `pgrep rcuc` ; do grep Cpus_allowed_list /proc/$i/status ; done

-group.rcuc=0:f:3:*:rcuc.*

+group.rcuc=0:f:4:*:rcuc.*

 # for i in `pgrep rcub` ; do grep Cpus_allowed_list /proc/$i/status ; done

-group.rcub=0:f:3:*:rcub.*

+group.rcub=0:f:4:*:rcub.*

+

+# for i in `pgrep ktimersoftd` ; do grep Cpus_allowed_list /proc/$i/status ; done

+group.ktimersoftd=0:f:3:*:ktimersoftd.*

 [script]

 script=script.sh