From 3ed5be3fa7064966df873956f56c3b0b12807ba4 Mon Sep 17 00:00:00 2001
From: Makoto Onuki <omakoto@google.com>
Date: Wed, 1 Feb 2017 14:04:47 -0800
Subject: Add dumpsys options to procstats to inject screen state

Test: CTS CtsDumpsysHostTestCases, not submitted yet though.
$ cts-tradefed run cts --skip-device-info --skip-preconditions --skip-system-status-check com.android.compatibility.common.tradefed.targetprep.NetworkConnectivityChecker -a armeabi-v7a -l INFO -m CtsDumpsysHostTestCases -t 'android.dumpsys.cts.ProcessStatsDumpsysTest'
Bug 34228624

Change-Id: I9cf7f737624fe9f188956be7ba7485151555bc4b
---
 .../com/android/server/am/ProcessStatsService.java | 31 +++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/services/core/java/com/android/server/am/ProcessStatsService.java b/services/core/java/com/android/server/am/ProcessStatsService.java
index 8d2b1c2fda79..d210ed76eca8 100644
--- a/services/core/java/com/android/server/am/ProcessStatsService.java
+++ b/services/core/java/com/android/server/am/ProcessStatsService.java
@@ -28,6 +28,8 @@ import android.util.AtomicFile;
 import android.util.Slog;
 import android.util.SparseArray;
 import android.util.TimeUtils;
+
+import com.android.internal.annotations.GuardedBy;
 import com.android.internal.app.procstats.DumpUtils;
 import com.android.internal.app.procstats.IProcessStats;
 import com.android.internal.app.procstats.ProcessState;
@@ -78,6 +80,10 @@ public final class ProcessStatsService extends IProcessStats.Stub {
     boolean mPendingWriteCommitted;
     long mLastWriteTime;
 
+    /** For CTS to inject the screen state. */
+    @GuardedBy("mAm")
+    Boolean mInjectedScreenState;
+
     public ProcessStatsService(ActivityManagerService am, File file) {
         mAm = am;
         mBaseDir = file;
@@ -128,6 +134,9 @@ public final class ProcessStatsService extends IProcessStats.Stub {
     public boolean setMemFactorLocked(int memFactor, boolean screenOn, long now) {
         mMemFactorLowered = memFactor < mLastMemOnlyState;
         mLastMemOnlyState = memFactor;
+        if (mInjectedScreenState != null) {
+            screenOn = mInjectedScreenState;
+        }
         if (screenOn) {
             memFactor += ProcessStats.ADJ_SCREEN_ON;
         }
@@ -573,7 +582,9 @@ public final class ProcessStatsService extends IProcessStats.Stub {
         pw.println("    [--checkin|-c|--csv] [--csv-screen] [--csv-proc] [--csv-mem]");
         pw.println("    [--details] [--full-details] [--current] [--hours N] [--last N]");
         pw.println("    [--max N] --active] [--commit] [--reset] [--clear] [--write] [-h]");
-        pw.println("    [--start-testing] [--stop-testing] [<package.name>]");
+        pw.println("    [--start-testing] [--stop-testing] ");
+        pw.println("    [--pretend-screen-on] [--pretend-screen-off] [--stop-pretend-screen]");
+        pw.println("    [<package.name>]");
         pw.println("  --checkin: perform a checkin: print and delete old committed states.");
         pw.println("  -c: print only state in checkin format.");
         pw.println("  --csv: output data suitable for putting in a spreadsheet.");
@@ -595,6 +606,9 @@ public final class ProcessStatsService extends IProcessStats.Stub {
         pw.println("  --read: replace current stats with last-written stats.");
         pw.println("  --start-testing: clear all stats and starting high frequency pss sampling.");
         pw.println("  --stop-testing: stop high frequency pss sampling.");
+        pw.println("  --pretend-screen-on: pretend screen is on.");
+        pw.println("  --pretend-screen-off: pretend screen is off.");
+        pw.println("  --stop-pretend-screen: forget \"pretend screen\" and use the real state.");
         pw.println("  -a: print everything.");
         pw.println("  -h: print this help text.");
         pw.println("  <package.name>: optional name of package to filter output by.");
@@ -800,6 +814,21 @@ public final class ProcessStatsService extends IProcessStats.Stub {
                         pw.println("Stopped high frequency sampling.");
                         quit = true;
                     }
+                } else if ("--pretend-screen-on".equals(arg)) {
+                    synchronized (mAm) {
+                        mInjectedScreenState = true;
+                    }
+                    quit = true;
+                } else if ("--pretend-screen-off".equals(arg)) {
+                    synchronized (mAm) {
+                        mInjectedScreenState = false;
+                    }
+                    quit = true;
+                } else if ("--stop-pretend-screen".equals(arg)) {
+                    synchronized (mAm) {
+                        mInjectedScreenState = null;
+                    }
+                    quit = true;
                 } else if ("-h".equals(arg)) {
                     dumpHelp(pw);
                     return;
-- 
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