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opt.: TimeSeq

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lollipopkit
2023-07-28 20:21:15 +08:00
parent 6045e7e7f0
commit 1163f2e418
8 changed files with 107 additions and 115 deletions
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53
lib/data/model/server/cpu.dart
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@@ -1,58 +1,44 @@
class Cpus {
List<OneTimeCpuStatus> _pre;
List<OneTimeCpuStatus> _now;
Cpus(this._pre, this._now);
import 'time_seq.dart';
class Cpus extends TimeSeq<OneTimeCpuStatus> {
Cpus(super.pre, super.now);
double usedPercent({int coreIdx = 0}) {
if (_now.length != _pre.length) return 0;
final idleDelta = _now[coreIdx].idle - _pre[coreIdx].idle;
final totalDelta = _now[coreIdx].total - _pre[coreIdx].total;
if (now.length != pre.length) return 0;
final idleDelta = now[coreIdx].idle - pre[coreIdx].idle;
final totalDelta = now[coreIdx].total - pre[coreIdx].total;
final used = idleDelta / totalDelta;
return used.isNaN ? 0 : 100 - used * 100;
}
void update(List<OneTimeCpuStatus> newStatus) {
_pre = _now;
_now = newStatus;
// 类似 [NetSpeed.update] 的处理
// 虽然CPU热插拔情况较少...
if (_pre.length != _now.length) {
if (_pre.length > _now.length) {
_pre = _pre.sublist(0, _now.length);
} else {
_pre.addAll(_now.sublist(_pre.length, _now.length));
}
}
}
int get coresCount => now.length;
int get coresCount => _now.length;
int get totalDelta => _now[0].total - _pre[0].total;
int get totalDelta => now[0].total - pre[0].total;
double get user {
if (_now.length != _pre.length) return 0;
final delta = _now[0].user - _pre[0].user;
if (now.length != pre.length) return 0;
final delta = now[0].user - pre[0].user;
final used = delta / totalDelta;
return used.isNaN ? 0 : used * 100;
}
double get sys {
if (_now.length != _pre.length) return 0;
final delta = _now[0].sys - _pre[0].sys;
if (now.length != pre.length) return 0;
final delta = now[0].sys - pre[0].sys;
final used = delta / totalDelta;
return used.isNaN ? 0 : used * 100;
}
double get nice {
if (_now.length != _pre.length) return 0;
final delta = _now[0].nice - _pre[0].nice;
if (now.length != pre.length) return 0;
final delta = now[0].nice - pre[0].nice;
final used = delta / totalDelta;
return used.isNaN ? 0 : used * 100;
}
double get iowait {
if (_now.length != _pre.length) return 0;
final delta = _now[0].iowait - _pre[0].iowait;
if (now.length != pre.length) return 0;
final delta = now[0].iowait - pre[0].iowait;
final used = delta / totalDelta;
return used.isNaN ? 0 : used * 100;
}
@@ -60,7 +46,7 @@ class Cpus {
double get idle => 100 - usedPercent();
}
class OneTimeCpuStatus {
class OneTimeCpuStatus extends TimeSeqIface<OneTimeCpuStatus> {
late String id;
late int user;
late int sys;
@@ -82,6 +68,9 @@ class OneTimeCpuStatus {
);
int get total => user + sys + nice + idle + iowait + irq + softirq;
@override
bool same(OneTimeCpuStatus other) => id == other.id;
}
List<OneTimeCpuStatus> parseCPU(String raw) {