refactor, two profiles
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6 changed files with 82 additions and 106 deletions
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@ -1,27 +1,11 @@
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---
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# defaults file for tuned_amdgpu
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#
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# vars handling unit conversion RE: power capabilities/limits
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# the discovered board limit for power capability; in microWatts, then converted
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power_max: "{{ power_max_b64['content'] | b64decode }}"
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board_watts: "{{ power_max | int / 1000000 }}"
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# internals for profile power calculations
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# item in the context of the with_nested loops in the play
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profile_name: "{{ item.0 }}"
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# determine percentage for human-friendly comments
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power_default_pct: "{{ (gpu_power_multi.default * 100.0) | round(2) }}"
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power_oc_pct: "{{ (gpu_power_multi.overclock * 100.0) | round(2) }}"
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# in microWatts, actually written to sysfs
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power_default_mw: "{{ (power_max | float) * (gpu_power_multi.default | float) }}"
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power_oc_mw: "{{ (power_max | float) * (gpu_power_multi.overclock | float) }}"
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# wattages - more human-friendly comments
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power_default_watts: "{{ (power_default_mw | int) / 1000000 }}"
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power_oc_watts: "{{ (power_oc_mw | int) / 1000000 }}"
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amdgpu_profiles:
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- default
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- overclock
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@ -28,38 +28,6 @@
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when: (fed_ppdtuned_swap is not defined) or ('tuned' not in ansible_facts.packages)
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become: true
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- name: Determine GPU device in drm subsystem
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ansible.builtin.shell:
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cmd: grep -ls ^connected /sys/class/drm/*/status | grep -o card[0-9] | sort | uniq | sort -h | tail -1
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executable: /bin/bash
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changed_when: false
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register: card
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- name: Find hwmon/max power capability file for {{ card.stdout }}
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ansible.builtin.find:
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paths: /sys/class/drm/{{ card.stdout }}/device/hwmon
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file_type: file
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recurse: true
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use_regex: true
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patterns:
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- '^power1_cap_max$'
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register: hwmon
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- name: Find hwmon/current power limit file for {{ card.stdout }}
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ansible.builtin.find:
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paths: /sys/class/drm/{{ card.stdout }}/device/hwmon
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file_type: file
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recurse: true
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use_regex: true
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patterns:
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- '^power1_cap$'
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register: powercap_set
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- name: Get max power capability for {{ card.stdout }}
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ansible.builtin.slurp:
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src: "{{ hwmon.files.0.path }}"
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register: power_max_b64
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- name: Create custom profile directories
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ansible.builtin.file:
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state: directory
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@ -18,6 +18,29 @@
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# dynamically determine the connected GPU using the DRM subsystem
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CARD=$(/usr/bin/grep -ls ^connected /sys/class/drm/*/status | /usr/bin/grep -o 'card[0-9]' | /usr/bin/sort | /usr/bin/uniq | /usr/bin/sort -h | /usr/bin/tail -1)
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function get_hwmon_dir() {
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CARD_DIR="/sys/class/drm/${1}/device/"
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for CANDIDATE in "${CARD_DIR}"/hwmon/hwmon*; do
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if [[ -f "${CANDIDATE}"/power1_cap ]]; then
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# found a valid hwmon dir
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echo "${CANDIDATE}"
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fi
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done
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}
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# determine the hwmon directory
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HWMON_DIR=$(get_hwmon_dir "${CARD}")
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# read all of the power profiles, used to get the IDs for assignment later
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PROFILE_MODES=$(< /sys/class/drm/"${CARD}"/device/pp_power_profile_mode)
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# get power capability; later used determine limits
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read -r -d '' POWER_CAP < "$HWMON_DIR"/power1_cap_max
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# enable THP; profile enables the 'vm.compaction_proactiveness' sysctl
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# improves allocation latency
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echo 'always' | tee /sys/kernel/mm/transparent_hugepage/enabled
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{# begin the templated script for 'default' profiles to reset state #}
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{% if 'default' in profile_name %}
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# set control mode back to auto
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@ -27,29 +50,27 @@ echo 'auto' | tee /sys/class/drm/"${CARD}"/device/power_dpm_force_performance_le
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# reset any existing profile clock changes
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echo 'r' | tee /sys/class/drm/"${CARD}"/device/pp_od_clk_voltage
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# give '{{ profile_name }}' profile ~{{ power_default_pct }}% (rounded) of the max power capability
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# {{ power_default_watts }} Watts of {{ board_watts }} total
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echo '{{ power_default_mw | int }}' | tee '{{ powercap_set.files.0.path }}'
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# adjust power limit using multiplier against board capability
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POWER_LIM_DEFAULT=$(/usr/bin/awk -v m="$POWER_CAP" -v n={{ gpu_power_multi.default }} 'BEGIN {printf "%.0f", (m*n)}')
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echo "$POWER_LIM_DEFAULT" | tee "${HWMON_DIR}/power1_cap"
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# extract the power-saving profile ID number
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PROF_POWER_SAVING_NUM=$(/usr/bin/awk '$0 ~ /POWER_SAVING.*:/ {print $1}' <<< "$PROFILE_MODES")
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# reset power/clock heuristics to power-saving
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echo "${PROF_POWER_SAVING_NUM}" | tee /sys/class/drm/"${CARD}"/device/pp_power_profile_mode
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{% else %}
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{# begin the templated script for non-default AMD GPU profiles, eg: 'VR' or '3D_FULL_SCREEN' #}
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# set manual control mode
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# allows control via 'pp_dpm_mclk', 'pp_dpm_sclk', 'pp_dpm_pcie', 'pp_dpm_fclk', and 'pp_power_profile_mode' files
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# only interested in 'pp_power_profile_mode' for power and 'pp_dpm_mclk' for memory clock (flickering).
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# GPU clocks are dynamic based on (load) condition
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#echo 'manual' | tee /sys/class/drm/"${CARD}"/device/power_dpm_force_performance_level
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# give '{{ profile_name }}' profile ~{{ power_oc_pct }}% (rounded) of the max power capability
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# {{ power_oc_watts }} Watts of {{ board_watts }} total
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echo '{{ power_oc_mw | int }}' | tee '{{ powercap_set.files.0.path }}'
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# set the minimum GPU clock
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{# begin the templated script for 'overclocked' AMD GPU profiles based on the existing tuned profiles #}
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# set the minimum GPU clock - for best performance, this should be near the maximum
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# RX6000 series power management *sucks*
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echo 's 0 {{ gpu_clock_min }}' | tee /sys/class/drm/"${CARD}"/device/pp_od_clk_voltage
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# set the maximum GPU clock
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echo 's 1 {{ gpu_clock_max }}' | tee /sys/class/drm/"${CARD}"/device/pp_od_clk_voltage
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# set the minimum / maximum GPU *memory* clock - force it high
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echo 'm 0 {{ gpumem_clock_static }}' | tee /sys/class/drm/"${CARD}"/device/pp_od_clk_voltage
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# set the GPU *memory* clock
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# normally this would appear disregarded, memory clocked at the minimum allowed by the overdrive (OD) range
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# it follows the core clock; if both 0/1 profiles for _it_ are high enough, the memory will follow
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echo 'm 1 {{ gpumem_clock_static }}' | tee /sys/class/drm/"${CARD}"/device/pp_od_clk_voltage
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{% if gpu_mv_offset is defined %}
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@ -60,12 +81,30 @@ echo 'vo {{ gpu_mv_offset }}' | tee /sys/class/drm/"${CARD}"/device/pp_od_clk_vo
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# commit the changes
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echo 'c' | tee /sys/class/drm/"${CARD}"/device/pp_od_clk_voltage
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# force GPU memory into highest clock (fix flickering)
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# pp_dpm_*clk settings are unintuitive, giving profiles that may be used
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# opt not to set the others (eg: sclk/fclk) - those should remain for benefits from the curve
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# echo '3' | tee /sys/class/drm/"${CARD}"/device/pp_dpm_mclk
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# force GPU core and memory into highest clocks (fix flickering and poor power management)
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# set manual control mode
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# allows control via 'pp_dpm_mclk', 'pp_dpm_sclk', 'pp_dpm_pcie', 'pp_dpm_fclk', and 'pp_power_profile_mode' files
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echo 'manual' | tee /sys/class/drm/"${CARD}"/device/power_dpm_force_performance_level
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# note 4/8/2023: instead of 'manual'... deal with broken power management, force clocks to high
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# adjust power limit using multiplier against board capability
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POWER_LIM_OC=$(/usr/bin/awk -v m="$POWER_CAP" -v n={{ gpu_power_multi.overclock }} 'BEGIN {printf "%.0f", (m*n)}')
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echo "$POWER_LIM_OC" | tee "${HWMON_DIR}/power1_cap"
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# pp_dpm_*clk settings are unintuitive, giving profiles that may be used
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echo '1' | tee /sys/class/drm/"${CARD}"/device/pp_dpm_sclk
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echo '3' | tee /sys/class/drm/"${CARD}"/device/pp_dpm_mclk
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echo '2' | tee /sys/class/drm/"${CARD}"/device/pp_dpm_fclk
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echo '2' | tee /sys/class/drm/"${CARD}"/device/pp_dpm_socclk
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# extract the VR power profile ID number
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PROF_VR_NUM=$(/usr/bin/awk '$0 ~ /VR.*:/ {print $1}' <<< "$PROFILE_MODES")
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# force 'overclocked' profile to 'VR' power/clock heuristics
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# latency/frame timing seemed favorable with relatively-close minimum clocks
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echo "${PROF_VR_NUM}" | tee /sys/class/drm/"${CARD}"/device/pp_power_profile_mode
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# note 4/8/2023: instead of 'manual'... try dealing with broken power management, force clocks to high
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# ref: https://gitlab.freedesktop.org/drm/amd/-/issues/1500
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echo 'high' | tee /sys/class/drm/"${CARD}"/device/power_dpm_force_performance_level
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# followup: doesn't work that well in practice, still flaky on clocks/frame times
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#echo 'high' | tee /sys/class/drm/"${CARD}"/device/power_dpm_force_performance_level
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{% endif %}
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@ -11,8 +11,12 @@ net.core.default_qdisc=fq
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net.ipv4.tcp_congestion_control=bbr2
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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=600000
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dev.raid.speed_limit_max=9000000
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dev.raid.speed_limit_min=1000000
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dev.raid.speed_limit_max=6000000
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# improve THP allocation latency, compact in background
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vm.compaction_proactiveness=30
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# make page lock theft slightly more fair
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vm.page_lock_unfairness=1
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# allow some games to run (eg: DayZ)
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vm.max_map_count=1048576
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