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Fix Flutter tool to use correct adb parameter and collect Realtime value. (#49701)

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* Fix parameter to adb to be _package.id instead of package._launchActivity.
This commit is contained in:
Terry Lucas 2020-01-29 10:01:17 -08:00 committed by GitHub
parent 22fc215260
commit 1b4d321b34
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 20 additions and 3 deletions
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21
packages/flutter_tools/lib/src/android/android_device.dart
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@ -659,9 +659,10 @@ class AndroidDevice extends Device {
'shell',
'dumpsys',
'meminfo',
_package.launchActivity,
_package.id,
'-d',
]));
if (runResult.exitCode != 0) {
return const MemoryInfo.empty();
}
@ -801,8 +802,15 @@ Map<String, String> parseAdbDeviceProperties(String str) {
@visibleForTesting
AndroidMemoryInfo parseMeminfoDump(String input) {
final AndroidMemoryInfo androidMemoryInfo = AndroidMemoryInfo();
input
.split('\n')
final List<String> lines = input.split('\n');
final String timelineData = lines.firstWhere((String line) =>
line.startsWith('${AndroidMemoryInfo._kUpTimeKey}: '));
final List<String> times = timelineData.trim().split('${AndroidMemoryInfo._kRealTimeKey}:');
androidMemoryInfo.realTime = int.tryParse(times.last.trim()) ?? 0;
lines
.skipWhile((String line) => !line.contains('App Summary'))
.takeWhile((String line) => !line.contains('TOTAL'))
.where((String line) => line.contains(':'))
@ -863,6 +871,8 @@ List<AndroidDevice> getAdbDevices() {
/// Android specific implementation of memory info.
class AndroidMemoryInfo extends MemoryInfo {
static const String _kUpTimeKey = 'Uptime';
static const String _kRealTimeKey = 'Realtime';
static const String _kJavaHeapKey = 'Java Heap';
static const String _kNativeHeapKey = 'Native Heap';
static const String _kCodeKey = 'Code';
@ -872,6 +882,10 @@ class AndroidMemoryInfo extends MemoryInfo {
static const String _kSystemKey = 'System';
static const String _kTotalKey = 'Total';
// Realtime is time since the system was booted includes deep sleep. Clock
// is monotonic, and ticks even when the CPU is in power saving modes.
int realTime = 0;
// Each measurement has KB as a unit.
int javaHeap = 0;
int nativeHeap = 0;
@ -885,6 +899,7 @@ class AndroidMemoryInfo extends MemoryInfo {
Map<String, Object> toJson() {
return <String, Object>{
'platform': 'Android',
_kRealTimeKey: realTime,
_kJavaHeapKey: javaHeap,
_kNativeHeapKey: nativeHeap,
_kCodeKey: code,

2
packages/flutter_tools/test/general.shard/android/android_device_test.dart
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@ -818,6 +818,7 @@ Uptime: 441088659 Realtime: 521464097
final AndroidMemoryInfo result = parseMeminfoDump(exampleOutput);
// Parses correctly
expect(result.realTime, 521464097);
expect(result.javaHeap, 4296);
expect(result.nativeHeap, 8620);
expect(result.code, 11288);
@ -829,6 +830,7 @@ Uptime: 441088659 Realtime: 521464097
// toJson works correctly
final Map<String, Object> json = result.toJson();
expect(json, containsPair('Realtime', 521464097));
expect(json, containsPair('Java Heap', 4296));
expect(json, containsPair('Native Heap', 8620));
expect(json, containsPair('Code', 11288));