use (one source template) script for *all* GPU control
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4 changed files with 50 additions and 60 deletions
26
playbook.yml
26
playbook.yml
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@ -60,6 +60,15 @@
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patterns:
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- '^power1_cap_max$'
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register: hwmon
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- name: find hwmon/current power limit file for {{ card }}
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find:
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paths: /sys/class/drm/{{ card }}/device/hwmon
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file_type: file
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recurse: yes
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use_regex: yes
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patterns:
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- '^power1_cap$'
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register: powercap_set
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- name: get max power capability for {{ card }}
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slurp:
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src: "{{ hwmon.files.0.path }}"
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@ -72,26 +81,15 @@
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with_nested:
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- "{{ amdgpu_profiles }}"
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- "{{ base_profiles }}"
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- name: template AMDGPU clock control scripts (tuned profile dependency)
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- name: template AMDGPU clock control scripts (default/GPU profile dependency)
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template:
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src: templates/amdgpu-clock.sh.j2
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dest: /etc/tuned/{{ item.1 }}-amdgpu-{{ item.0 }}/amdgpu-clock.sh
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dest: /etc/tuned/{{ item.1 }}-amdgpu-{{ item.0.name }}/amdgpu-clock.sh
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owner: root
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group: root
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mode: "0755"
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with_nested:
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- 'custom'
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- "{{ base_profiles }}"
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notify: restart tuned
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- name: template AMDGPU clock control *reset* script (tuned profile dependency)
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template:
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src: templates/amdgpu-clock-reset.sh.j2
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dest: /etc/tuned/{{ item.1 }}-amdgpu-{{ item.0 }}/amdgpu-clock-reset.sh
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owner: root
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group: root
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mode: "0755"
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with_nested:
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- 'default'
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- "{{ amdgpu_profiles }}"
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- "{{ base_profiles }}"
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notify: restart tuned
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- name: template custom tuned profiles
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@ -1,12 +0,0 @@
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#!/bin/bash
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# script to reset tuned's AMDGPU clock control to default
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#
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# rendered by Ansible with environment-appropriate values:
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# card #, eg: card0
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# min/max GPU clocks
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# set control mode back to auto
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echo 'auto' | tee /sys/class/drm/{{ card }}/device/power_dpm_force_performance_level
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# reset any existing profile clock changes
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echo 'r' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage
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@ -1,19 +1,46 @@
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#!/bin/bash
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# script for tuned AMDGPU clock control
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# clocks in 3D usage are dynamic based on need/usage
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#
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# this sets the minimums / maximums
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# configures GPU power/clock characteristics
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# clocks/power in 3D are dynamic based on need/usage
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#
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# rendered by Ansible with environment-appropriate values:
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# card #, eg: card0
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# min/max GPU clocks
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# path to discovered sysfs device files (power/clock/voltage control)
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#
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# this sets the minimums / maximums for a specific generation of GPU
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# settings may need adjusted
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#
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# AMDGPU driver/sysfs references:
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# https://01.org/linuxgraphics/gfx-docs/drm/gpu/amdgpu.html
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# https://docs.kernel.org/gpu/amdgpu/thermal.html
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# send a reset for a clean slate
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# echo 'r' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage
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{% if 'default' in item.0.name %}
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# set power state transition heuristics to default
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echo '{{ item.0.value }}' | tee /sys/class/drm/{{ card }}/device/pp_power_profile_mode
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# set control mode back to auto
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# attempts to dynamically set optimal power profile for conditions
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echo 'auto' | tee /sys/class/drm/{{ card }}/device/power_dpm_force_performance_level
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# reset any existing profile clock changes
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echo 'r' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage
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# give default profile {{ power_max_default_multi * 100.0 |int }}% of the max power capability
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# {{ power_cap_default|int/1000000 }} Watts of {{ power_max|int/1000000 }} total
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echo '{{ power_cap_default }}' | tee {{ powercap_set.files.0.path }}
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{% elif 'custom' in item.0.name %}
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# set manual control mode
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# allow control via 'pp_dpm_mclk', 'pp_dpm_sclk', 'pp_dpm_pcie', and 'pp_power_profile_mode' files
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echo 'manual' | tee /sys/class/drm/{{ card }}/device/power_dpm_force_performance_level
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# set power state transition heuristics to custom/manual
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# looked up from amdgpu_profiles variable using 'with_nested' loop in task
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echo '{{ item.0.value }}' | tee /sys/class/drm/{{ card }}/device/pp_power_profile_mode
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# give this profile {{ power_max_custom_multi * 100.0 |int }}% of the max power capability
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# {{ power_cap_custom|int/1000000 }} Watts of {{ power_max|int/1000000 }} total
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echo '{{ power_cap_custom }}' | tee {{ powercap_set.files.0.path }}
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# set the minimum GPU clock
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echo 's 0 {{ gpu_clock_min }}' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage
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@ -22,8 +49,8 @@ echo 's 1 {{ gpu_clock_max }}' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_
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# set the maximum GPU *memory* clock
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echo 'm 1 {{ gpumem_clock_max }}' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage
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{% if gpu_mv_offset is defined %}
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# offset GPU voltage {{ gpu_mv_offset }}mV
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echo 'vo {{ gpu_mv_offset }}' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage
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{% endif %}
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@ -33,3 +60,4 @@ echo 'c' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage
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# force GPU memory into highest profile
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echo '3' | tee /sys/class/drm/{{ card }}/device/pp_dpm_mclk
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{% endif %}
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@ -14,33 +14,9 @@ dev.raid.speed_limit_max=9000000
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# allow some games to run (eg: DayZ)
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vm.max_map_count=1048576
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{% if 'default' in item.0.name %}
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# reference/execute AMDGPU clock control *reset* script
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[gpuresetscript]
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type=script
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script=${i:PROFILE_DIR}/amdgpu-clock-reset.sh
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[sysfs]
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# configure GPU power/clock characteristics
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# ref: https://docs.kernel.org/gpu/amdgpu/thermal.html
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/sys/class/drm/{{ card }}/device/pp_power_profile_mode = {{ item.0.value }}
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/sys/class/drm/{{ card }}/device/power_dpm_force_performance_level = auto
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{# # give default profile {{ power_max_default_multi * 100.0 |int }}% of the max power capability -- {{ power_max_float * power_max_default_multi / 1000000.0 |int }} Watts of {{ power_max / 1000000 |int }} total #}
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# give default profile {{ power_max_default_multi * 100.0 |int }}% of the max power capability
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# {{ power_cap_default|int/1000000 }} Watts of {{ power_max|int/1000000 }} total
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/sys/class/drm/{{ card }}/device/hwmon/hwmon9/power1_cap = {{ power_cap_default }}
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{% endif %}
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{% if 'custom' in item.0.name %}
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[sysfs]
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# configure GPU power/clock characteristics
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# ref: https://docs.kernel.org/gpu/amdgpu/thermal.html
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/sys/class/drm/{{ card }}/device/pp_power_profile_mode = {{ item.0.value }}
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# give this custom oriented profile {{ power_max_custom_multi * 100.0 |int }}% of the max power capability
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# {{ power_cap_custom|int/1000000 }} Watts of {{ power_max|int/1000000 }} total
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/sys/class/drm/{{ card }}/device/hwmon/hwmon9/power1_cap = {{ power_cap_custom }}
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# reference/execute AMDGPU clock control script
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# reference/execute AMDGPU control script
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# used because some sysfs interfaces are transactional
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# cannot be set by a single param in 'tuned'/[sysfs]
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[gpuclockscript]
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type=script
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script=${i:PROFILE_DIR}/amdgpu-clock.sh
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{% endif %}
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