bac2055e4b
Like the cpu-partitioning profile, exclude all 'pmd' threads to avoid repinning ovs-vswitchd pmds. Resolves: rhbz#1861767 Signed-off-by: Christophe Fontaine <cfontain@redhat.com>
48 lines
1.6 KiB
Text
48 lines
1.6 KiB
Text
#
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# tuned configuration
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#
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# Dependencies:
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#
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# - tuna
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# - awk
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# - wc
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[main]
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summary=Optimize for KVM guests running realtime workloads
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include=realtime
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[variables]
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# User is responsible for adding isolated_cores=X-Y to realtime-virtual-host-variables.conf
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include=/etc/tuned/realtime-virtual-host-variables.conf
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isolated_cores_assert_check = \\${isolated_cores}
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# Fail if isolated_cores are not set
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assert1=${f:assertion_non_equal:isolated_cores are set:${isolated_cores}:${isolated_cores_assert_check}}
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isolated_cores_expanded=${f:cpulist_unpack:${isolated_cores}}
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isolated_cores_online_expanded=${f:cpulist_online:${isolated_cores}}
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# Fail if isolated_cores contains CPUs which are not online
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assert2=${f:assertion:isolated_cores contains online CPU(s):${isolated_cores_expanded}:${isolated_cores_online_expanded}}
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[scheduler]
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# group.group_name=rule_priority:scheduler_policy:scheduler_priority:core_affinity_in_hex:process_name_regex
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# for i in `pgrep ksoftirqd` ; do grep Cpus_allowed_list /proc/$i/status ; done
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group.ksoftirqd=0:f:2:*:ksoftirqd.*
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# for i in `pgrep rcuc` ; do grep Cpus_allowed_list /proc/$i/status ; done
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group.rcuc=0:f:4:*:rcuc.*
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# for i in `pgrep rcub` ; do grep Cpus_allowed_list /proc/$i/status ; done
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group.rcub=0:f:4:*:rcub.*
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# for i in `pgrep ktimersoftd` ; do grep Cpus_allowed_list /proc/$i/status ; done
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group.ktimersoftd=0:f:3:*:ktimersoftd.*
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ps_blacklist=ksoftirqd.*;rcuc.*;rcub.*;ktimersoftd.*;.*pmd.*;.*PMD.*;^DPDK;.*qemu-kvm.*
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[script]
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script=${i:PROFILE_DIR}/script.sh
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[bootloader]
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cmdline_rvh=+nohz=on nohz_full=${isolated_cores} rcu_nocbs=${isolated_cores}
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