925898b522
The ktimer_lockless_check interface was removed from Red Hat kernels. Drop the tuned configuration as well. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
58 lines
1.9 KiB
Text
58 lines
1.9 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:${isolated_cores}}
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non_isolated_cores=${f:cpulist_invert:${isolated_cores}}
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# Fail if isolated_cores contains CPUs which are not online
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assert2=${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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group.ktimers=0:f:2:*:^\[ktimers
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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;^\[ktimers;^\[rcuc;^\[rcub;^\[ktimersoftd;pmd;PMD;^DPDK;qemu-kvm
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[sysfs]
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# Stop kernel same page merge (KSM) daemon, it may introduce latencies.
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#
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# 0: stop ksmd, keep merged pages
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# 1: run ksmd
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# 2: stop ksmd, unmerge all pages
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/sys/kernel/mm/ksm/run = 2
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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=${isolated_cores} irqaffinity=${non_isolated_cores}
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