2024-03-24 23:28:38 +00:00
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---
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2024-08-10 18:18:20 +00:00
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# the profile tries to find the card with displays attached to apply these settings.
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# configuration of many GPUs not yet supported, one is assumed
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2024-08-27 11:54:55 +00:00
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tuned_amdgpu_clock_min: "500"
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tuned_amdgpu_clock_max: "2715"
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tuned_amdgpu_memclock_static: "1075"
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tuned_amdgpu_power_multi_def: 0.869969040247678 # 281W - real default
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tuned_amdgpu_power_multi_oc: 1.0 # full board power capability
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2024-08-05 13:12:02 +00:00
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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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2024-03-24 23:28:38 +00:00
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2024-08-27 11:54:55 +00:00
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tuned_amdgpu_mv_offset: "+45" # add 45mV / 0.045V
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# '-50' undervolts GPU core voltage 50mV / 0.05V; warning: here be dragons/instability
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2024-03-24 23:55:50 +00:00
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2024-08-04 19:02:27 +00:00
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# 'tuned' plugins - used to set the kernel cmdline via bootloader... and sysctl tunables
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2024-08-27 11:54:55 +00:00
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tuned_amdgpu_plugins: # ref: https://github.com/redhat-performance/tuned/tree/master/tuned/plugins
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2024-08-04 19:02:27 +00:00
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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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