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Log raw output lines for debugging (#47)

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This would help debug https://github.com/flutter/flutter/issues/45194
This commit is contained in:
liyuqian
2019-11-19 16:39:32 -08:00
committed by GitHub
parent 0e559ec2c9
commit cb58456da4
4 changed files with 13 additions and 8 deletions
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4
packages/gauge/CHANGELOG.md
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@ -1,3 +1,7 @@
## 0.1.5
* Print more logs for debugging.
## 0.1.4
* Download depot_tools automatically.

2
packages/gauge/README.md
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@ -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.

12
packages/gauge/lib/parser.dart
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@ -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;

3
packages/gauge/pubspec.yaml
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@ -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