refactor/clean up, move to separate templates per profile

roles/tuned_amdgpu/files/profile-common.sh

@@ -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