From e377269c674df35fedf5c4611225fdd6ed09668f Mon Sep 17 00:00:00 2001 From: Josh Lay Date: Wed, 3 Aug 2022 01:05:49 -0500 Subject: [PATCH] README: add new voltage var and profile breakdown --- README.md | 57 +++++++++++++++++++++---------------------------------- 1 file changed, 22 insertions(+), 35 deletions(-) diff --git a/README.md b/README.md index 3847d0e..1ac4c91 100644 --- a/README.md +++ b/README.md @@ -1,12 +1,25 @@ # tuned-amdgpu -hacky solution to integrate AMDGPU power profile control in `tuned` with Ansible +Hacky solution to integrate AMDGPU power profile control in `tuned` with Ansible + +Takes a list of existing `tuned` profiles and creates new ones based on them. These new profiles include AMDGPU power/clock parameters + +## Profiles + +An example of the output/provided profiles follow + +| Output profile | Description | +|---|---| +| `balanced-amdgpu-default` | Includes the existing `balanced` tuned profile. Only adjusts the GPU power limit (typically lower), clocks/voltage curve remain the default. | +| `desktop-amdgpu-VR` | Includes the existing `desktop` tuned profile. Adjusts the GPU power limit, clocks, and the voltage curve -- using the predefined `VR` profile in the driver | +| `latency-performance-amdgpu-custom` | Includes the existing `latency-performance` tuned profile. Adjusts the GPU power limit, clocks, and the voltage curve -- using the `custom` profile in the driver. This opens up further tweaking through the driver (currently manual). see: [pp-dpm](https://docs.kernel.org/gpu/amdgpu/thermal.html#pp-dpm) | ## Notable variables - Power control: (float) multipliers to determine power _limits_ from board power _capability_ - `power_max_default_multi`: Controls power for the generated `default` GPU profile. Provided: `0.75` for 75% board power capability. - `power_max_custom_multi`: Controls power for the generated `custom` GPU profile. Provided: `1.0` for 100% board power capability. - `card`: Sets the `card#` to use in the qualified `sysfs` path `/sys/class/drm/{{ card }}/device/pp_power_profile_mode`. Default: `card0` + - `gpu_mv_offset`: optional, applies offset to GPU voltage, eg: `+100` = to boost GPU core voltage `100mV` or `0.1V`. Can undervolt. - `base_profiles`: List of base tuned profiles to clone in the new AMDGPU profiles. Defaults (based on `Fedora`): - `balanced` - `desktop` @@ -15,40 +28,14 @@ hacky solution to integrate AMDGPU power profile control in `tuned` with Ansible - `network-throughput` - `powersave` - `virtual-host` - - `amdgpu_profiles`: Mapping of AMDGPU power profiles (`name`/`value`) defined in the `sysfs` path above. Varies, sample is with a 6900XT. Defaults: - - `{ name: 'default', value: 0 }` - - `{ name: 'custom', value: 6 }` -## Example profiles/output +`amdgpu_profiles`: Mapping of AMDGPU power profiles (`name`/`value`) defined in the `sysfs` path above. Varies, sample is with a 6900XT. Defaults below ``` -$ tuned-adm profile -Available profiles: -- accelerator-performance - Throughput performance based tuning with disabled higher latency STOP states -- balanced - General non-specialized tuned profile -- balanced-amdgpu-custom - balanced + TCP/RAID tweaks + AMDGPU pp_power_profile_mode = 6 (custom) -- balanced-amdgpu-default - balanced + TCP/RAID tweaks + AMDGPU pp_power_profile_mode = 0 (default) -- desktop - Optimize for the desktop use-case -- desktop-amdgpu-custom - desktop + TCP/RAID tweaks + AMDGPU pp_power_profile_mode = 6 (custom) -- desktop-amdgpu-default - desktop + TCP/RAID tweaks + AMDGPU pp_power_profile_mode = 0 (default) -- hpc-compute - Optimize for HPC compute workloads -- intel-sst - Configure for Intel Speed Select Base Frequency -- latency-performance - Optimize for deterministic performance at the cost of increased power consumption -- latency-performance-amdgpu-custom- latency-performance + TCP/RAID tweaks + AMDGPU pp_power_profile_mode = 6 (custom) -- latency-performance-amdgpu-default- latency-performance + TCP/RAID tweaks + AMDGPU pp_power_profile_mode = 0 (default) -- network-latency - Optimize for deterministic performance at the cost of increased power consumption, focused on low latency network performance -- network-latency-amdgpu-custom- network-latency + TCP/RAID tweaks + AMDGPU pp_power_profile_mode = 6 (custom) -- network-latency-amdgpu-default- network-latency + TCP/RAID tweaks + AMDGPU pp_power_profile_mode = 0 (default) -- network-throughput - Optimize for streaming network throughput, generally only necessary on older CPUs or 40G+ networks -- network-throughput-amdgpu-custom- network-throughput + TCP/RAID tweaks + AMDGPU pp_power_profile_mode = 6 (custom) -- network-throughput-amdgpu-default- network-throughput + TCP/RAID tweaks + AMDGPU pp_power_profile_mode = 0 (default) -- optimize-serial-console - Optimize for serial console use. -- powersave - Optimize for low power consumption -- powersave-amdgpu-custom - powersave + TCP/RAID tweaks + AMDGPU pp_power_profile_mode = 6 (custom) -- powersave-amdgpu-default - powersave + TCP/RAID tweaks + AMDGPU pp_power_profile_mode = 0 (default) -- throughput-performance - Broadly applicable tuning that provides excellent performance across a variety of common server workloads -- virtual-guest - Optimize for running inside a virtual guest -- virtual-host - Optimize for running KVM guests -- virtual-host-amdgpu-custom - virtual-host + TCP/RAID tweaks + AMDGPU pp_power_profile_mode = 6 (custom) -- virtual-host-amdgpu-default - virtual-host + TCP/RAID tweaks + AMDGPU pp_power_profile_mode = 0 (default) -Current active profile: network-latency-amdgpu-default +amdgpu_profiles: # statically defined mapping of the contents in /sys/class/drm/card*/device/pp_power_profile_mode + default: # more may be added, but do not remove default/custom. new profiles require a script template, see 'templates' + pwrmode: 0 + VR: + pwrmode: 4 + custom: + pwrmode: 6 ```