diff --git a/packages/gauge/CHANGELOG.md b/packages/gauge/CHANGELOG.md
index b772b23ea9..060aefee65 100644
--- a/packages/gauge/CHANGELOG.md
+++ b/packages/gauge/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.1.5
+
+* Print more logs for debugging.
+
 ## 0.1.4
 
 * Download depot_tools automatically.
diff --git a/packages/gauge/README.md b/packages/gauge/README.md
index 5d266e5d1a..d4fad09463 100644
--- a/packages/gauge/README.md
+++ b/packages/gauge/README.md
@@ -6,7 +6,7 @@ compatible.
 
 # Install
 
-First install Xcode 10 (https://developer.apple.com/download/more/),
+First install Xcode 10.3 (https://developer.apple.com/download/more/),
 [dart](https://dart.dev/get-dart), and
 [git](https://git-scm.com/book/en/v2/Getting-Started-Installing-Git).
 Make sure that `pub`, `git`, and `instruments` are on your path.
diff --git a/packages/gauge/lib/parser.dart b/packages/gauge/lib/parser.dart
index a13e7a74c9..c1b168799f 100644
--- a/packages/gauge/lib/parser.dart
+++ b/packages/gauge/lib/parser.dart
@@ -31,6 +31,7 @@ class IosTraceParser {
   final bool isVerbose;
   final String traceUtilityPath;
 
+  List<String> _lines;
   List<String> _gpuMeasurements;
   List<String> _cpuMeasurements;
 
@@ -44,13 +45,13 @@ class IosTraceParser {
       print('TraceUtility stderr:\n${result.stderr.toString}\n\n');
       throw Exception('TraceUtility failed with exit code ${result.exitCode}');
     }
-    final List<String> lines = result.stderr.toString().split('\n');
+    _lines = result.stderr.toString().split('\n');
 
     // toSet to remove duplicates
     _gpuMeasurements =
-        lines.where((String s) => s.contains('GPU')).toSet().toList();
+        _lines.where((String s) => s.contains('GPU')).toSet().toList();
     _cpuMeasurements =
-        lines.where((String s) => s.contains(processName)).toSet().toList();
+        _lines.where((String s) => s.contains(processName)).toSet().toList();
     _gpuMeasurements.sort();
     _cpuMeasurements.sort();
 
@@ -107,8 +108,9 @@ class IosTraceParser {
 
   double _average(Iterable<double> values) {
     if (values == null || values.isEmpty) {
-      _gpuMeasurements.forEach(print);
-      _cpuMeasurements.forEach(print);
+      print('TraceUtility output:\n${_lines.join('\n')}\n\n');
+      print('GPU measurements:\n${_gpuMeasurements.join('\n')}\n\n');
+      print('CPU measurements:\n${_cpuMeasurements.join('\n')}\n\n');
       throw Exception('No valid measurements found.');
     }
     return values.reduce((double a, double b) => a + b) / values.length;
diff --git a/packages/gauge/pubspec.yaml b/packages/gauge/pubspec.yaml
index 2d2e35bf3e..9b7cf9a8cf 100644
--- a/packages/gauge/pubspec.yaml
+++ b/packages/gauge/pubspec.yaml
@@ -4,9 +4,8 @@ description:
 
   Currently there's only one tool to measure iOS CPU/GPU usages for Flutter's CI
   tests.
-author: Flutter Team <flutter-dev@googlegroups.com>
 homepage: https://github.com/flutter/packages/tree/master/packages/gauge
-version: 0.1.4
+version: 0.1.5
 
 executables:
   gauge: gauge