e40b50a498
For sap-hana and virtual-host profiles used state3 (i.e. usually C3) C-state in latency specification instead of the hardcoded value 70 us, i.e.: force_latency=cstate.id:3|70 Also dropped obsoleted TODO note from the plugin_cpu. Related: rhbz#1737628 Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>
21 lines
524 B
Text
21 lines
524 B
Text
#
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# tuned configuration
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#
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[main]
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summary=Optimize for running KVM guests
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include=throughput-performance
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[sysctl]
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# Start background writeback (via writeback threads) at this percentage (system
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# default is 10%)
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vm.dirty_background_ratio = 5
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# The total time the scheduler will consider a migrated process
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# "cache hot" and thus less likely to be re-migrated
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# (system default is 500000, i.e. 0.5 ms)
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kernel.sched_migration_cost_ns = 5000000
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[cpu]
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# Setting C3 state sleep mode/power savings
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force_latency=cstate.id:3|70
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