jlay/tuned-amdgpu
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cleanup, add introductory AMDGPU clock control

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This commit is contained in:
Josh Lay 2022-05-30 01:50:56 -05:00
parent 1da046a92c
commit b22c8f5d9b
Signed by: jlay
GPG key ID: B265E45CACAD108A
2 changed files with 23 additions and 8 deletions
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8
playbook.yml
View file

@ -2,10 +2,12 @@
- hosts: localhost
become: yes
vars:
power_max_multi: 0.90 # should not exceed 1.0, must be a float. note: driver seems to do its own rounding
power_max_multi: 1.0 # should not exceed 1.0, must be a float. note: driver seems to do its own rounding
power_max: "{{ power_max_b64['content'] | b64decode }}"
power_cap_float: "{{ power_max |float * power_max_multi }}"
power_cap_half_float: "{{ power_max |float * 0.5 }}"
power_cap: "{{ power_cap_float |int }}"
power_cap_half: "{{ power_cap_half_float |int }}" # used to limit GPU power to 50% on 'low' perf modes
card: card0 # default to card0
base_profiles: # standard tuned profiles available on Fedora, should dynamically discover?
- balanced
@ -17,12 +19,12 @@
- virtual-host
amdgpu_profiles: # statically defined mapping of the contents in /sys/class/drm/{{ card }}/device/pp_power_profile_mode
# - { name: 'bootup_default', value: 0 }
# - { name: '3D_fullscreen', value: 1 }
- { name: '3D', value: 1 }
- { name: 'powersaving', value: 2 }
- { name: 'video', value: 3 }
- { name: 'VR', value: 4 }
# - { name: 'compute', value: 5 }
# - { name: 'custom', value: 6 }
- { name: 'custom', value: 6 }
handlers:
- name: restart tuned
ansible.builtin.service:

23
templates/tuned.conf.j2
View file

@ -3,18 +3,31 @@ include={{ item.1 }}
summary={{ item.1 }} + TCP/RAID tweaks + AMDGPU pp_power_profile_mode = {{ item.0.value }} ({{ item.0.name }})
[sysfs]
/sys/class/drm/{{ card }}/device/power_dpm_force_performance_level = manual
/sys/class/drm/{{ card }}/device/pp_power_profile_mode = {{ item.0.value }}
# limit to {{ power_max_multi * 100.0 |int }}% of the max power capability
{% if 'VR' in item.0.name or '3D' in item.0.name or 'compute' in item.0.name or 'custom' in item.0.name %}
{# TODO: if 'custom' profile: #}
{# set 'power_dpm_force_performance_level' to manual #}
{# set individual clocks (eg: pp_dpm_mclk/pp_dpm_sclk/pp_dpm_pcie) #}
{# with user-provided values for those clocks #}
# configure GPU power/clock characteristics
# ref: https://docs.kernel.org/gpu/amdgpu/thermal.html
/sys/class/drm/{{ card }}/device/power_dpm_force_performance_level = high
# limit perf profiles to {{ power_max_multi * 100.0 |int }}% of the max power capability
/sys/class/drm/{{ card }}/device/hwmon/hwmon9/power1_cap = {{ power_cap }}
{% else %}
# choose power saving dpm clock options
/sys/class/drm/{{ card }}/device/power_dpm_force_performance_level = low
# limit lower power modes to 50% of the max power capability
/sys/class/drm/{{ card }}/device/hwmon/hwmon9/power1_cap = {{ power_cap_half }}
{% endif %}
[sysctl]
net.core.default_qdisc=fq
net.ipv4.tcp_congestion_control=bbr
# 'bbr2' requires a [modified] supporting kernel - stock Fedora kernels do *not* support it (currently)
# eg: 'kernel-xanmode-edge' from COPR 'rmnscnce/kernel-xanmod'
net.ipv4.tcp_congestion_control=bbr2
net.core.rmem_max=33554432
net.core.wmem_max=33554432
{# net.core.rmem_max=4194304 #}
{# net.core.wmem_max=1048576 #}
dev.raid.speed_limit_min=600000
dev.raid.speed_limit_max=9000000
# allow some games to run (eg: DayZ)