#
# tuned configuration
#

[main]
summary=Optimize for realtime workloads running within a KVM guest
include=realtime

[variables]
# User is responsible for adding isolated_cores=X-Y to realtime-virtual-guest-variables.conf
include=/etc/tuned/realtime-virtual-guest-variables.conf

isolated_cores_assert_check = \\${isolated_cores}
# Fail if isolated_cores are not set
assert1=${f:assertion_non_equal:isolated_cores are set:${isolated_cores}:${isolated_cores_assert_check}}

isolated_cores_expanded=${f:cpulist_unpack:${isolated_cores}}
isolated_cores_online_expanded=${f:cpulist_online:${isolated_cores}}
non_isolated_cores=${f:cpulist_invert:${isolated_cores}}

# Fail if isolated_cores contains CPUs which are not online
assert2=${f:assertion:isolated_cores contains online CPU(s):${isolated_cores_expanded}:${isolated_cores_online_expanded}}

[scheduler]
# group.group_name=rule_priority:scheduler_policy:scheduler_priority:core_affinity_in_hex:process_name_regex[:thread_name_regex]
# for i in `pgrep ksoftirqd` ; do grep Cpus_allowed_list /proc/$i/status ; done
group.ksoftirqd=0:f:2:*:^\[ksoftirqd
group.ktimers=0:f:2:*:^\[ktimers

# for i in `pgrep rcuc` ; do grep Cpus_allowed_list /proc/$i/status ; done
group.rcuc=0:f:4:*:^\[rcuc

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

ps_blacklist=^\[ksoftirqd;^\[ktimers;^\[rcuc;^\[rcub;^\[ktimersoftd

[sysfs]
# Perform lockless check for timer softirq on isolated CPUs.
#
/sys/kernel/ktimer_lockless_check = 1

[script]
script=${i:PROFILE_DIR}/script.sh

[bootloader]
cmdline_rvg=+nohz=on nohz_full=${isolated_cores} rcu_nocbs=${isolated_cores} irqaffinity=${non_isolated_cores}