48 lines
2.4 KiB
YAML
48 lines
2.4 KiB
YAML
---
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# note: 'gpu_*' vars only apply with the 'custom' suffixed profiles created by this tooling
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# profiles based on the 'default' amdgpu power profile mode use default clocks
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#
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# the connected AMD GPU is automatically discovered - assumes one
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# on swap to other AMD cards to avoid instability:
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# 'rm -rfv /etc/tuned/*amdgpu*'
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#
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# default 500, for best performance: near maximum. applies with 'overclock' tuned profile
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gpu_clock_min: "500"
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# gpu_clock_max: "2675" # default 2524 for my card
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gpu_clock_max: "2715"
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gpumem_clock_static: "1075"
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gpu_power_multi_def: 0.869969040247678 # 281W - real default
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gpu_power_multi_oc: 1.0 # full board power capability
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# other multipliers for 323W boards like mine:
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# 300W: 0.928792569659443
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# 310: 0.959752321981424
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# sample worksheet in 'power_max multi tab calculator.ods'
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gpu_mv_offset: "+60" # add 60mV or 0.06V
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# gpu_mv_offset: "+150" # add 150mV or 0.15V
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# gpu_mv_offset: "+133" # add 133mV or 0.133V
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# gpu_mv_offset: "+75" # add 75mV or 0.075V
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# gpu_mv_offset: "+125" # add 125mV or 0.125V
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# '-50' undervolts GPU core voltage 50mV or 0.05V; untested - here be dragons/instability
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# 'tuned' plugins - used to set the kernel cmdline via bootloader... and sysctl tunables
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plugins: # ref: https://github.com/redhat-performance/tuned/tree/master/tuned/plugins
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bootloader: # 'cmdline' allows entries w/ a suffix, names should be unique across *all* profiles. values accept +/- operators
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cmdline_amdgpu_general: "delayacct nowatchdog kvm.ignore_msrs=1 kvm_amd.npt=1 amdgpu.ppfeaturemask=0xfff7ffff"
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cmdline_amdgpu_hugepages: "default_hugepagesz=1G hugepagesz=1G hugepages=16"
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cmdline_amdgpu_iommu: "amd_iommu=on iommu=pt"
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cmdline_amdgpu_devs: "nvme_core.default_ps_max_latency_us=0 pci=realloc=off"
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sysctl: # quote ints/cast to string to avoid surprises
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kernel.dmesg_restrict: '0' # allow regular users to see the kernel ring buffer
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# net.core.default_qdisc: fq # congestion control
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# net.ipv4.tcp_congestion_control: bbr2 # cong. control part 2
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# net.core.rmem_max: '33554432'
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# net.core.wmem_max: '33554432'
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dev.raid.speed_limit_min: '65000000'
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dev.raid.speed_limit_max: '99999999'
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vm.compaction_proactiveness: '30' # improve THP allocation latency, compact in background
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vm.page_lock_unfairness: '1' # make page lock theft slightly more fair
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vm.max_map_count: '1048576' # allow some games to run (eg: DayZ)
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