Add schedtune compatibility shim files

schedtune is an out-of-tree controller which will not be supported in
Android 12 or above. This is to work around the intermediate state where
schedtune has been removed but the bluetooth process is still using it.

Test: adb logcat -b all | grep SIGABRT
Bug: 170507876
Bug: 172464521
Change-Id: If39c1ad3a938a9bcd88823645b4211e0e12f22dd

3 files changed, 141 insertions, 0 deletions

diff --git a/cgroups.json b/cgroups.json
new file mode 100644
index 0000000..17d4929
--- a/dev/null
+++ b/cgroups.json
@@ -0,0 +1,11 @@
+{
+  "Cgroups": [
+    {
+      "Controller": "schedtune",
+      "Path": "/dev/stune",
+      "Mode": "0755",
+      "UID": "system",
+      "GID": "system"
+    }
+  ]
+}
diff --git a/products/mbox/sm1/device.mk b/products/mbox/sm1/device.mk
index 151b213..4d4c589 100755
--- a/products/mbox/sm1/device.mk
+++ b/products/mbox/sm1/device.mk
@@ -82,6 +82,15 @@ PRODUCT_COPY_FILES += \
 
 #########################################################################
 #
+# Workaround bluetooth schedtune (b/170507876)
+#
+#########################################################################
+PRODUCT_COPY_FILES += \
+    device/amlogic/common/task_profiles.json:$(TARGET_COPY_OUT_VENDOR)/etc/task_profiles.json \
+    device/amlogic/common/cgroups.json:$(TARGET_COPY_OUT_VENDOR)/etc/cgroups.json
+
+#########################################################################
+#
 # Set default USB configuration
 #
 #########################################################################
diff --git a/task_profiles.json b/task_profiles.json
new file mode 100644
index 0000000..a9e45b5
--- a/dev/null
+++ b/task_profiles.json
@@ -0,0 +1,121 @@
+{
+  "Attributes": [
+    {
+      "Name": "STuneBoost",
+      "Controller": "schedtune",
+      "File": "schedtune.boost"
+    },
+    {
+      "Name": "STunePreferIdle",
+      "Controller": "schedtune",
+      "File": "schedtune.prefer_idle"
+    }
+  ],
+
+  "Profiles": [
+    {
+      "Name": "HighEnergySaving",
+      "Actions": [
+        {
+          "Name": "JoinCgroup",
+          "Params":
+          {
+            "Controller": "schedtune",
+            "Path": "background"
+          }
+        }
+      ]
+    },
+    {
+      "Name": "NormalPerformance",
+      "Actions": [
+        {
+          "Name": "JoinCgroup",
+          "Params":
+          {
+            "Controller": "schedtune",
+            "Path": ""
+          }
+        }
+      ]
+    },
+    {
+      "Name": "HighPerformance",
+      "Actions": [
+        {
+          "Name": "JoinCgroup",
+          "Params":
+          {
+            "Controller": "schedtune",
+            "Path": "foreground"
+          }
+        }
+      ]
+    },
+    {
+      "Name": "MaxPerformance",
+      "Actions": [
+        {
+          "Name": "JoinCgroup",
+          "Params":
+          {
+            "Controller": "schedtune",
+            "Path": "top-app"
+          }
+        }
+      ]
+    },
+    {
+      "Name": "RealtimePerformance",
+      "Actions": [
+        {
+          "Name": "JoinCgroup",
+          "Params":
+          {
+            "Controller": "schedtune",
+            "Path": "rt"
+          }
+        }
+      ]
+    },
+    {
+      "Name": "CameraServicePerformance",
+      "Actions": [
+        {
+          "Name": "JoinCgroup",
+          "Params":
+          {
+            "Controller": "schedtune",
+            "Path": "camera-daemon"
+          }
+        }
+      ]
+    },
+    {
+      "Name": "CpuPolicySpread",
+      "Actions": [
+        {
+          "Name": "SetAttribute",
+          "Params":
+          {
+            "Name": "STunePreferIdle",
+            "Value": "1"
+          }
+        }
+      ]
+    },
+    {
+      "Name": "CpuPolicyPack",
+      "Actions": [
+        {
+          "Name": "SetAttribute",
+          "Params":
+          {
+            "Name": "STunePreferIdle",
+            "Value": "0"
+          }
+        }
+      ]
+    }
+  ]
+}