From 29301d3300e438d6c6b8ced49f315429f9c3e2c2 Mon Sep 17 00:00:00 2001
From: Hongyi Zhang <hongyiz@google.com>
Date: Fri, 18 Jan 2019 17:07:38 -0800
Subject: [PATCH] add scheduler namespace and flag

add namespace scheduler and flag enable_fast_metrics_collection

Bug: 120167542
Test: m -j passed
Change-Id: I17857e8ac94f21b462d120ef0c584ac2d5bce8fd
---
 api/system-current.txt                       |  5 +++++
 core/java/android/provider/DeviceConfig.java | 19 +++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/api/system-current.txt b/api/system-current.txt
index 3a5023992074d..dbc0422b18eec 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -5784,6 +5784,11 @@ package android.provider {
     field public static final String NAMESPACE = "runtime_native_boot";
   }
 
+  public static interface DeviceConfig.Scheduler {
+    field public static final String ENABLE_FAST_METRICS_COLLECTION = "enable_fast_metrics_collection";
+    field public static final String NAMESPACE = "scheduler";
+  }
+
   public static interface DeviceConfig.Storage {
     field public static final String ISOLATED_STORAGE_ENABLED = "isolated_storage_enabled";
     field public static final String NAMESPACE = "storage";
diff --git a/core/java/android/provider/DeviceConfig.java b/core/java/android/provider/DeviceConfig.java
index 41d3cbb88f5c9..8254e33bcadd1 100644
--- a/core/java/android/provider/DeviceConfig.java
+++ b/core/java/android/provider/DeviceConfig.java
@@ -308,6 +308,25 @@ public final class DeviceConfig {
         String ISOLATED_STORAGE_ENABLED = "isolated_storage_enabled";
     }
 
+    /**
+     * Namespace for system scheduler related features. These features will be applied
+     * immediately upon change.
+     *
+     * @hide
+     */
+    @SystemApi
+    public interface Scheduler {
+        String NAMESPACE = "scheduler";
+
+        /**
+         * Flag for enabling fast metrics collection in system scheduler.
+         * A flag value of '' or '0' means the fast metrics collection is not
+         * enabled. Otherwise fast metrics collection is enabled and flag value
+         * is the order id.
+         */
+        String ENABLE_FAST_METRICS_COLLECTION = "enable_fast_metrics_collection";
+    }
+
     private static final Object sLock = new Object();
     @GuardedBy("sLock")
     private static Map<OnPropertyChangedListener, Pair<String, Executor>> sListeners =