From 1414a0d4d8b5254755184333d38118f1a2c16873 Mon Sep 17 00:00:00 2001
From: Marco Ballesio <balejs@google.com>
Date: Wed, 2 Dec 2020 13:48:44 -0800
Subject: [PATCH] libprocessgroup: move freezer to uid/pid hierarchy

Migrate the freezer controller as an attribute for the uid/pid hierarchy

Bug: 168907513
Test: manually verified that the freezer behavior was as expected after
applying the enablers in ActivityManager

Signed-off-by: Marco Ballesio <balejs@google.com>
Change-Id: Ica2c4bfd20190fb2f2dc0a530eb47e1a8427c522
---
 libprocessgroup/profiles/cgroups.json       |  2 +-
 libprocessgroup/profiles/task_profiles.json | 14 +++++++-------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/libprocessgroup/profiles/cgroups.json b/libprocessgroup/profiles/cgroups.json
index 7bcb94bd9..962d2baa8 100644
--- a/libprocessgroup/profiles/cgroups.json
+++ b/libprocessgroup/profiles/cgroups.json
@@ -37,7 +37,7 @@
     "Controllers": [
       {
         "Controller": "freezer",
-        "Path": "freezer",
+        "Path": ".",
         "Mode": "0755",
         "UID": "system",
         "GID": "system"
diff --git a/libprocessgroup/profiles/task_profiles.json b/libprocessgroup/profiles/task_profiles.json
index 5b57bdd12..628098b55 100644
--- a/libprocessgroup/profiles/task_profiles.json
+++ b/libprocessgroup/profiles/task_profiles.json
@@ -46,7 +46,7 @@
       "File": "cpu.uclamp.latency_sensitive"
     },
     {
-      "Name": "FreezerState",
+      "Name": "Freezer",
       "Controller": "freezer",
       "File": "cgroup.freeze"
     }
@@ -70,11 +70,11 @@
       "Name": "Frozen",
       "Actions": [
         {
-          "Name": "JoinCgroup",
+          "Name": "SetAttribute",
           "Params":
           {
-            "Controller": "freezer",
-            "Path": ""
+            "Name": "Freezer",
+            "Value": "1"
           }
         }
       ]
@@ -83,11 +83,11 @@
       "Name": "Unfrozen",
       "Actions": [
         {
-          "Name": "JoinCgroup",
+          "Name": "SetAttribute",
           "Params":
           {
-            "Controller": "freezer",
-            "Path": "../"
+            "Name": "Freezer",
+            "Value": "0"
           }
         }
       ]