add ansible_managed comment/header

roles/tuned_amdgpu/templates/amdgpu-profile-default.sh.j2

@@ -1,14 +1,6 @@
 #!/bin/bash
-# script for tuned AMDGPU clock control
-# configures GPU power/clock characteristics
-# clocks/power in 3D are dynamic based on need/usage
-#
-# for 'amdgpu-default' tuned profiles, this will reset the characteristics to default
-# for others this will apply overclocking settings -- leaving clock choices to the associated power profile (eg: VR)
-#
-# rendered by Ansible with environment-appropriate values:
-#   card #, eg: card0
-#   path to discovered sysfs device files (power/clock/voltage control)
+{{ ansible_managed | comment }}
+# This is the 'default' script; resetting amdgpu clock/power/voltage tunables
 #
 # AMDGPU driver/sysfs references:
 #   https://01.org/linuxgraphics/gfx-docs/drm/gpu/amdgpu.html

roles/tuned_amdgpu/templates/amdgpu-profile-overclock.sh.j2

@@ -1,14 +1,6 @@
 #!/bin/bash
-# script for tuned AMDGPU clock control
-# configures GPU power/clock characteristics
-# clocks/power in 3D are dynamic based on need/usage
-#
-# for 'amdgpu-default' tuned profiles, this will reset the characteristics to default
-# for others this will apply overclocking settings -- leaving clock choices to the associated power profile (eg: VR)
-#
-# rendered by Ansible with environment-appropriate values:
-#   card #, eg: card0
-#   path to discovered sysfs device files (power/clock/voltage control)
+{{ ansible_managed | comment }}
+# This is the 'overclock' script; applies amdgpu clock/power/voltage tunables
 #
 # AMDGPU driver/sysfs references:
 #   https://01.org/linuxgraphics/gfx-docs/drm/gpu/amdgpu.html

roles/tuned_amdgpu/templates/amdgpu-profile-peak.sh.j2

@@ -1,14 +1,6 @@
 #!/bin/bash
-# script for tuned AMDGPU clock control
-# configures GPU power/clock characteristics
-# clocks/power in 3D are dynamic based on need/usage
-#
-# for 'amdgpu-default' tuned profiles, this will reset the characteristics to default
-# for others this will apply overclocking settings -- leaving clock choices to the associated power profile (eg: VR)
-#
-# rendered by Ansible with environment-appropriate values:
-#   card #, eg: card0
-#   path to discovered sysfs device files (power/clock/voltage control)
+{{ ansible_managed | comment }}
+# This is the 'peak' script; applies most-aggressive amdgpu clock/power/voltage tunables
 #
 # AMDGPU driver/sysfs references:
 #   https://01.org/linuxgraphics/gfx-docs/drm/gpu/amdgpu.html

roles/tuned_amdgpu/templates/profile-common.sh.j2

@@ -0,0 +1,35 @@
+#!/bin/bash
+#
+# 'common' file sourced by other scripts under tuned profile
+#
+# dynamically determine the connected GPU using the DRM subsystem
+CARD=$(/usr/bin/grep -ls ^connected /sys/class/drm/*/status | /usr/bin/grep -o 'card[0-9]' | /usr/bin/sort | /usr/bin/uniq | /usr/bin/sort -h | /usr/bin/tail -1)
+
+function get_hwmon_dir() {
+    CARD_DIR="/sys/class/drm/${1}/device/"
+    for CANDIDATE in "${CARD_DIR}"/hwmon/hwmon*; do
+            if [[ -f "${CANDIDATE}"/power1_cap ]]; then
+                    # found a valid hwmon dir
+                    echo "${CANDIDATE}"
+            fi
+    done
+}
+
+# determine the hwmon directory
+HWMON_DIR=$(get_hwmon_dir "${CARD}")
+
+# read all of the power profiles, used to get the IDs for assignment later
+PROFILE_MODES=$(< /sys/class/drm/"${CARD}"/device/pp_power_profile_mode)
+
+# get power capability; later used determine limits
+read -r -d '' POWER_CAP < "$HWMON_DIR"/power1_cap_max
+
+# enable THP; profile enables the 'vm.compaction_proactiveness' sysctl
+# improves allocation latency
+echo 'always' | tee /sys/kernel/mm/transparent_hugepage/enabled
+
+# export determinations
+export CARD
+export HWMON_DIR
+export PROFILE_MODES
+export POWER_CAP