From 42cfd56d47000dd85661656479dbcbdad8ba47ba Mon Sep 17 00:00:00 2001
From: Tianjie Xu <xunchang@google.com>
Date: Tue, 28 Mar 2017 16:59:16 -0700
Subject: [PATCH] Report the temperature during an OTA update

Bug: 32518487
Test: mma
Change-Id: I00494aff91b473ae54eff8d56910198f88083d40
---
 core/java/android/os/RecoverySystem.java | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/core/java/android/os/RecoverySystem.java b/core/java/android/os/RecoverySystem.java
index d48431afe6913..fae04a8700987 100644
--- a/core/java/android/os/RecoverySystem.java
+++ b/core/java/android/os/RecoverySystem.java
@@ -728,6 +728,10 @@ public class RecoverySystem {
             int timeTotal = -1;
             int uncryptTime = -1;
             int sourceVersion = -1;
+            int temperature_start = -1;
+            int temperature_end = -1;
+            int temperature_max = -1;
+
             while ((line = in.readLine()) != null) {
                 // Here is an example of lines in last_install:
                 // ...
@@ -772,6 +776,12 @@ public class RecoverySystem {
                 } else if (line.startsWith("bytes_stashed")) {
                     bytesStashedInMiB = (bytesStashedInMiB == -1) ? scaled :
                             bytesStashedInMiB + scaled;
+                } else if (line.startsWith("temperature_start")) {
+                    temperature_start = scaled;
+                } else if (line.startsWith("temperature_end")) {
+                    temperature_end = scaled;
+                } else if (line.startsWith("temperature_max")) {
+                    temperature_max = scaled;
                 }
             }
 
@@ -791,6 +801,15 @@ public class RecoverySystem {
             if (bytesStashedInMiB != -1) {
                 MetricsLogger.histogram(context, "ota_stashed_in_MiBs", bytesStashedInMiB);
             }
+            if (temperature_start != -1) {
+                MetricsLogger.histogram(context, "ota_temperature_start", temperature_start);
+            }
+            if (temperature_end != -1) {
+                MetricsLogger.histogram(context, "ota_temperature_end", temperature_end);
+            }
+            if (temperature_max != -1) {
+                MetricsLogger.histogram(context, "ota_temperature_max", temperature_max);
+            }
 
         } catch (IOException e) {
             Log.e(TAG, "Failed to read lines in last_install", e);