forked from openkylin/quarkai
352 lines
12 KiB
C++
352 lines
12 KiB
C++
/*
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* Copyright (C) 2013 ~ 2018 National University of Defense Technology(NUDT) & Tianjin Kylin Ltd.
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*
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* Authors:
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* Kobe Lee xiangli@ubuntukylin.com/kobe24_lixiang@126.com
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "cpuratewidget.h"
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#include "cpuballwidget.h"
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#include <QApplication>
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#include <QDebug>
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#include <QVBoxLayout>
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#include <QFile>
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inline QString convertTimeToString(long seconds)
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{
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//test script: cat /proc/uptime| awk -F. '{run_days=$1 / 86400;run_hour=($1 % 86400)/3600;run_minute=($1 % 3600)/60;run_second=$1 % 60;printf("已运行：%d天%d时%d分%d秒",run_days,run_hour,run_minute,run_second)}'
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int run_day = seconds / 86400;
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int run_hour = (seconds % 86400)/3600;
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int run_minute = (seconds % 3600)/60;
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int run_second = seconds % 60;
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QString hourStr;
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QString minuteStr;
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QString secondStr;
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if (run_hour >1)
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hourStr = QString(QObject::tr("%1hours")).arg(run_hour);
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else
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hourStr = QString(QObject::tr("%1hour")).arg(run_hour);
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if (run_minute > 1)
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minuteStr = QString(QObject::tr("%1minutes")).arg(run_minute);
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else
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minuteStr = QString(QObject::tr("%1minute")).arg(run_minute);
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if (run_second > 1)
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secondStr = QString(QObject::tr("%1seconds")).arg(run_second);
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else
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secondStr = QString(QObject::tr("%1second")).arg(run_second);
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QString run_time;
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if (run_day > 0) {
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if (run_day == 1)
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return QString("%1 %2 %3 %4").arg(QString(QObject::tr("%1day"))).arg(run_day).arg(hourStr).arg(minuteStr).arg(secondStr);
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else
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return QString("%1 %2 %3 %4").arg(QString(QObject::tr("%1days"))).arg(run_day).arg(hourStr).arg(minuteStr).arg(secondStr);
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}
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else {
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return QString("%1 %2 %3").arg(hourStr).arg(minuteStr).arg(secondStr);
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}
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return run_time;
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}
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inline int getCoreCounts()
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{
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int cpuCounts = 0;
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QFile file("/proc/cpuinfo");
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if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
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QString content = file.readLine().trimmed();
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while (!content.isEmpty() && content.contains(QChar(':'))) {
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const QStringList tokens = content.split(QChar(':'));
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if (tokens.size() == 2) {
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if (tokens[0] == "processor")
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cpuCounts ++;
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}
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content = file.readLine().trimmed();
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}
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file.close();
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}
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if (cpuCounts == 0)
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cpuCounts = 4;
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return cpuCounts;
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}
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inline QString getIdelRate(unsigned long &runSeconds, unsigned long &idleSeconds)
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{
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int cpuNumber = getCoreCounts();
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QString rate;
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QFile file("/proc/uptime");
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if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
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QString content = file.readLine();
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while (!content.isEmpty() && content.contains(" ")) {
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QStringList tokens = content.split(" ");//content.split(QChar(' '))
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QString runStr = tokens.at(0);//从系统启动到现在的时间(以秒为单位)
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if (runStr.contains(QChar('.'))) {
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QString senconds = runStr.split(QChar('.')).at(0);
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runSeconds = senconds.toLong();
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}
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else
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runSeconds = runStr.toLong();
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QString idleStr = tokens.at(1);//系统空闲的时间(以秒为单位)
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if (idleStr.contains(QChar('.'))) {
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QString senconds = idleStr.split(QChar('.')).at(0);
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idleSeconds = senconds.toLong();
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}
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else
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idleSeconds = idleStr.toLong();
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rate = QString::number((idleSeconds * 1.0) /(runSeconds *1.0 * cpuNumber) * 100, 'f', 0) + "%";
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break;
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}
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file.close();
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}
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return rate;
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}
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inline long readUpdatetimeFile(bool isRunTime)
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{
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QFile file("/proc/uptime");
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if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
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QString result;
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QString content = file.readLine();
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while (!content.isEmpty() && content.contains(" ")) {
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QStringList tokens = content.split(" ");//content.split(QChar(' '))
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if (isRunTime) {
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result = tokens.at(0);//从系统启动到现在的时间(以秒为单位)
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}
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else {
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result = tokens.at(1);//系统空闲的时间(以秒为单位)
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}
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break;
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//content = file.readLine();//continue read
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}
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file.close();
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if (result.contains(QChar('.'))) {
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QString senconds = result.split(QChar('.')).at(0);
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return senconds.toLong();
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}
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else
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return result.toLong();
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}
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return 0;
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}
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//系统平均负载
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inline QString readLoadAvg()
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{
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/*cat /proc/loadavg
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0.10 0.06 0.01 1/72 29632
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前3个数字表示平均进程数量外，后面的1个分数，分母表示系统进程总数，分子表示正在运行的进程数；最后一个数字表示最近运行的进程ID*/
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return QString();
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}
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inline void readFile(const QString &fileName)
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{
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QFile file(fileName);
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if (!file.open(QFile::ReadOnly)) {
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qCritical() << QString("open %1 failed").arg(fileName);
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return;
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}
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QByteArray content = file.readAll();
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file.close();
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QTextStream stream(&content, QIODevice::ReadOnly);
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while (!stream.atEnd()) {
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const QString aline = stream.readLine();
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qDebug() << "aline="<<aline;
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// const QStringList items = line.split(QChar(':'));
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// if (items.size() == 2) {
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// qDebug() << "items[0]="<<items[0]<<",items[1]="<<items[0];
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// }
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}
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// while (!file.atEnd()) {
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// QString line = file.readLine();
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// QString trimmedLine = line.trimmed();
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// qDebug() << "line="<<line;
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// qDebug() << "trimmedLine="<<trimmedLine;
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// if (line.isEmpty() || trimmedLine.isEmpty())
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// continue;
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// }
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// file.close();
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}
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CpuRateWidget::CpuRateWidget(QWidget *parent) : QWidget(parent)
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{
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m_layout = new QVBoxLayout(this);
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m_layout->setContentsMargins(0, 0, 0, 0);
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QWidget *w = new QWidget;
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m_contentLayout = new QHBoxLayout(w);
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m_contentLayout->setContentsMargins(0, 0, 0, 0);
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m_contentLayout->setSpacing(50);
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m_layout->addWidget(w, 0, Qt::AlignCenter);
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initWidgets();
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m_cpuBall->startTimer();
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/*unsigned long runtime;
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unsigned long idletime;
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QString rate = getIdelRate(runtime, idletime);
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qDebug() << "rate="<<rate;
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qDebug() << convertTimeToString(runtime);
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qDebug() << convertTimeToString(idletime);*/
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/*sudo dmidecode -t processor
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u32 len;
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u8 *buf;
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size_t size = len;
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buf = read_file(&size, devmem);
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len = size;
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// dmi_table_decode(buf, len, num, ver, flags);
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// dmi_decode(&h, ver);*/
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}
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CpuRateWidget::~CpuRateWidget()
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{
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delete m_cpuRateTitle;
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delete m_cpuRateText;
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delete m_cpuIdleRateTitle;
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delete m_cpuIdleRateText;
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delete m_cpuRunTimeTitle;
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delete m_cpuRunTimeText;
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delete m_cpuIdleTimeTitle;
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delete m_cpuIdleTimeText;
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delete m_cpuBall;
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QLayoutItem *child;
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while ((child = m_labelLayout->takeAt(0)) != 0) {
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if (child->widget())
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child->widget()->deleteLater();
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delete child;
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}
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while ((child = m_contentLayout->takeAt(0)) != 0) {
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if (child->widget())
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child->widget()->deleteLater();
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delete child;
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}
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delete m_layout;
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}
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void CpuRateWidget::initWidgets()
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{
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QWidget *w = new QWidget;
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// w->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
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m_labelLayout = new QVBoxLayout(w);
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m_labelLayout->setContentsMargins(0, 0, 0, 0);
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m_labelLayout->setSpacing(0);
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QLabel *m_title = new QLabel(tr("CPU"));
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m_title->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
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m_title->setStyleSheet("background:transparent;font-size:24px;color:#000000");
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m_cpuRateTitle = new QLabel;
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m_cpuRateTitle->setStyleSheet("QLabel{background:transparent;font-size:12px;color:#999999;}");
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m_cpuRateTitle->setText(tr("Occupancy rate"));
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m_cpuRateText = new QLabel;
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m_cpuRateText->setStyleSheet("QLabel{background:transparent;font-size:20px;color:#000000;}");
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m_cpuIdleRateTitle = new QLabel;
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m_cpuIdleRateTitle->setStyleSheet("QLabel{background:transparent;font-size:12px;color:#999999;}");
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m_cpuIdleRateTitle->setText(tr("Idle rate"));
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m_cpuIdleRateText = new QLabel;
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m_cpuIdleRateText->setStyleSheet("QLabel{background:transparent;font-size:20px;color:#000000;}");
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m_cpuRunTimeTitle = new QLabel;
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m_cpuRunTimeTitle->setStyleSheet("QLabel{background:transparent;font-size:12px;color:#999999;}");
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m_cpuRunTimeTitle->setText(tr("The running time of system"));
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m_cpuRunTimeText = new QLabel;
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m_cpuRunTimeText->setStyleSheet("QLabel{background:transparent;font-size:20px;color:#000000;}");
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m_cpuIdleTimeTitle = new QLabel;
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m_cpuIdleTimeTitle->setStyleSheet("QLabel{background:transparent;font-size:12px;color:#999999;}");
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m_cpuIdleTimeTitle->setText(tr("The idle time of system"));
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m_cpuIdleTimeText = new QLabel;
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m_cpuIdleTimeText->setStyleSheet("QLabel{background:transparent;font-size:20px;color:#000000;}");
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QVBoxLayout *cpuRateLayout = new QVBoxLayout;
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cpuRateLayout->setSpacing(10);
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cpuRateLayout->addWidget(m_cpuRateTitle);
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cpuRateLayout->addWidget(m_cpuRateText);
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QVBoxLayout *cpuIdleRateLayout = new QVBoxLayout;
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cpuIdleRateLayout->setSpacing(10);
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cpuIdleRateLayout->addWidget(m_cpuIdleRateTitle);
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cpuIdleRateLayout->addWidget(m_cpuIdleRateText);
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QHBoxLayout *rateLayout = new QHBoxLayout;
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rateLayout->setSpacing(30);
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rateLayout->addLayout(cpuRateLayout);
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rateLayout->addLayout(cpuIdleRateLayout);
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QVBoxLayout *cpuRunTimeLayout = new QVBoxLayout;
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cpuRunTimeLayout->setSpacing(10);
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cpuRunTimeLayout->addWidget(m_cpuRunTimeTitle);
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cpuRunTimeLayout->addWidget(m_cpuRunTimeText);
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QVBoxLayout *cpuIdleTimeLayout = new QVBoxLayout;
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cpuIdleTimeLayout->setSpacing(10);
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cpuIdleTimeLayout->addWidget(m_cpuIdleTimeTitle);
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cpuIdleTimeLayout->addWidget(m_cpuIdleTimeText);
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m_labelLayout->setContentsMargins(0, 0, 0, 0);
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m_labelLayout->setSpacing(10);
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m_labelLayout->addWidget(m_title);
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m_labelLayout->addLayout(rateLayout);
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m_labelLayout->addLayout(cpuRunTimeLayout);
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m_labelLayout->addLayout(cpuIdleTimeLayout);
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m_contentLayout->addWidget(w, 1, Qt::AlignLeft);
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m_cpuBall = new CpuBallWidget;
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m_contentLayout->addWidget(m_cpuBall);
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}
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void CpuRateWidget::refreshData(double cpu)
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{
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m_cpuRateText->setText(QString::number(cpu, 'f', 1) + "%");
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unsigned long runtime;
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unsigned long idletime;
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QString rate = getIdelRate(runtime, idletime);
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m_cpuIdleRateText->setText(rate);
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m_cpuRunTimeText->setText(convertTimeToString(runtime));
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m_cpuIdleTimeText->setText(convertTimeToString(idletime));
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}
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void CpuRateWidget::onUpdateCpuPercent(double value)
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{
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this->refreshData(value);
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m_cpuBall->updateCpuPercent(value);
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}
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void CpuRateWidget::startTimer()
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{
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m_cpuBall->startTimer();
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}
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void CpuRateWidget::stopTimer()
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{
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m_cpuBall->stopTimer();
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}
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