Added first latency analysis

DRAMSys/library/resources/configs/simulator/ddr3.json

@@ -5,10 +5,10 @@
         "DatabaseRecording": true,
         "Debug": false,
         "ECCControllerMode": "Disabled",
-        "EnableWindowing": false,
+        "EnableWindowing": true,
         "ErrorCSVFile": "",
         "ErrorChipSeed": 42,
-        "PowerAnalysis": false,
+        "PowerAnalysis": true,
         "SimulationName": "ddr3",
         "SimulationProgressBar": true,
         "StoreMode": "NoStorage",

DRAMSys/traceAnalyzer/data/tracedb.cpp

@@ -348,6 +348,11 @@ vector<Comment> TraceDB::getDebugMessagesInTimespan(const Timespan &span,
     return parseCommentsFromQuery(selectDebugMessagesByTimespanWithLimit);
 }
 
+QSqlDatabase TraceDB::getDatabase() const
+{
+    return database;
+}
+
 /*  Helpers
  *
  *

DRAMSys/traceAnalyzer/data/tracedb.h

@@ -102,6 +102,8 @@ public:
     std::vector<Comment> getDebugMessagesInTimespan(const Timespan &span,
                                                     unsigned int limit);
 
+    QSqlDatabase getDatabase() const;
+
 private:
     QString pathToDB;
     QSqlDatabase database;

DRAMSys/traceAnalyzer/scripts/plots.py

@@ -252,6 +252,45 @@ def power_window(connection, tracePath, steps):
 
     return outputFile
 
+@plot
+def latency_analysis(connection, tracePath, steps):
+    from collections import Counter
+    query = """ SELECT ((p2.PhaseEnd - p1.PhaseBegin)/1000), t.id
+                FROM Transactions t, Phases p1, Phases p2
+                WHERE t.id = p1.Transact
+                    AND t.id = p2.Transact
+                    AND p1.PhaseName = "REQ"
+                    AND p2.PhaseName = "RESP" """
+    cursor = connection.cursor()
+    cursor.execute(query)
+    results = []
+    while True:
+        result = cursor.fetchone()
+        if (result is not None):
+            results.append([result[0], result[1]])
+        else:
+            break
+
+    # Create histogram for analysis:
+    hist = {}
+    transactions = {}
+    for i in results:
+        hist[i[0]] = hist.get(i[0], 0) + 1
+        if i[0] in transactions:
+            transactions[i[0]].append(i[1])
+        else:
+            transactions[i[0]] = []
+
+    # Find N highest bins
+    N = 3
+    k = Counter(hist)
+    high = k.most_common(3)
+
+    for i in high:
+        print(i[0]," :",i[1]," ")
+        print(transactions[i[0]])
+
+    return "none\n"
 
 @plot
 def latency_histogram(connection, tracePath, steps):

DRAMSys/traceAnalyzer/tracefiletab.cpp

@@ -41,6 +41,9 @@
 #include "QFileInfo"
 #include "qmessagebox.h"
 #include <iostream>
+#include <QStandardItemModel>
+#include <QString>
+#include <QItemDelegate>
 
 TraceFileTab::TraceFileTab(QWidget *parent, const QString &path) :
     QWidget(parent), ui(new Ui::TraceFileTab), savingChangesToDB(false)
@@ -82,7 +85,6 @@ void TraceFileTab::initNavigatorAndItsDependentWidgets(QString path)
     ui->selectedTransactionTree->init(navigator);
     //ui->debugMessages->init(navigator,ui->traceplot);
     ui->commentTree->init(navigator);
-
 }
 
 void TraceFileTab::setUpFileWatcher(QString path)
@@ -110,3 +112,87 @@ void TraceFileTab::tracefileChanged()
     navigator->refreshData();
 }
 
+class ItemDelegate: public QItemDelegate
+{
+public:
+    ItemDelegate(QObject* parent = nullptr): QItemDelegate(parent)
+    {
+    }
+
+    void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
+    {
+        if (index.column() == 1) {
+            double progress = index.data().toDouble();
+            QStyleOptionProgressBar opt;
+            opt.rect = option.rect;
+            opt.minimum = 0;
+            opt.maximum = 100;
+            opt.progress = static_cast<int>(progress);
+            opt.text = QString::number(progress, 'f', 2)+" %";
+            opt.textVisible = true;
+            QApplication::style()->drawControl(QStyle::CE_ProgressBar, &opt, painter, nullptr);
+        } else {
+            QItemDelegate::paint(painter, option, index);
+        }
+    }
+};
+
+void TraceFileTab::on_tabWidget_currentChanged(int index)
+{
+    if(index == 1) // Changed to latency tab:
+    {
+        // Create Database Setup and Query:
+        QString sql = "SELECT ((p2.PhaseEnd - p1.PhaseBegin)/1000) as latency, t.id "
+                      "FROM Transactions t, Phases p1, Phases p2 "
+                      "WHERE t.id = p1.Transact "
+                      "AND t.id = p2.Transact "
+                      "AND p1.PhaseName = \"REQ\" "
+                      "AND p2.PhaseName = \"RESP\" ORDER BY latency;";
+
+        QSqlDatabase db = navigator->TraceFile().getDatabase();
+        QSqlQuery query(db);
+        query.exec(sql);
+
+        // Creatoe model and fill it from Database:
+        QStandardItemModel* model = new QStandardItemModel();
+
+        int currentLatency = 0;
+        QStandardItem* currentLatencyItem = nullptr;
+        int counter = 0;
+        while (query.next()) {
+            if(query.value(0) != currentLatency) {
+                currentLatencyItem = new QStandardItem(QString::number(query.value(0).toInt())+" ns");
+                currentLatency = query.value(0).toInt();
+                QList<QStandardItem *> row;
+                row.append(currentLatencyItem);
+                row.append(new QStandardItem());
+                model->appendRow(row);
+            }
+            QStandardItem * id = new QStandardItem(query.value(1).toString());
+            currentLatencyItem->appendRow(id);
+            counter++;
+        }
+        QStringList header = {"Latency","Occurences"};
+        model->setHorizontalHeaderLabels(header);
+
+        // Generate Histrogram:
+        for(int i = 0; i < model->rowCount(); i++) {
+            int numberOfChilds = model->item(i)->rowCount();
+            double percentage = 100*((double(numberOfChilds))/(double(counter)));
+            model->item(i,1)->setText(QString::number(percentage));
+        }
+        ui->latencyTreeView->setItemDelegate(new ItemDelegate(ui->latencyTreeView));
+        ui->latencyTreeView->setModel(model);
+    }
+}
+
+void TraceFileTab::on_latencyTreeView_doubleClicked(const QModelIndex &index)
+{
+    // Get onlye the leaf:
+    if(index.column() == 0 && index.model()->hasChildren(index) == false) {
+        unsigned int id = index.data().toUInt();
+        if(id!=0) {
+            navigator->selectTransaction(id);
+        }
+    }
+}

DRAMSys/traceAnalyzer/tracefiletab.h

@@ -79,6 +79,9 @@ public Q_SLOTS:
 Q_SIGNALS:
     void statusChanged(QString message, bool saveChangesEnable = false);
     void colorGroupingChanged(ColorGrouping colorgrouping);
+private Q_SLOTS:
+    void on_tabWidget_currentChanged(int index);
+    void on_latencyTreeView_doubleClicked(const QModelIndex &index);
 };
 
 #endif // TRACEFILETAB_H

DRAMSys/traceAnalyzer/tracefiletab.ui

@@ -58,46 +58,88 @@
      <item>
       <layout class="QVBoxLayout" name="verticalLayout_2" stretch="0,0,0">
        <item>
-        <widget class="SelectedTransactionTreeWidget" name="selectedTransactionTree">
-         <property name="sizePolicy">
-          <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
-           <horstretch>3</horstretch>
-           <verstretch>3</verstretch>
-          </sizepolicy>
-         </property>
+        <widget class="QTabWidget" name="tabWidget">
          <property name="minimumSize">
           <size>
-           <width>300</width>
-           <height>0</height>
+           <width>0</width>
+           <height>500</height>
           </size>
          </property>
-         <property name="maximumSize">
-          <size>
-           <width>16777215</width>
-           <height>16777215</height>
-          </size>
-         </property>
-         <property name="itemsExpandable">
-          <bool>true</bool>
-         </property>
-         <property name="sortingEnabled">
-          <bool>false</bool>
-         </property>
-         <property name="animated">
-          <bool>false</bool>
-         </property>
-         <property name="columnCount">
+         <property name="currentIndex">
           <number>0</number>
          </property>
-         <attribute name="headerStretchLastSection">
-          <bool>true</bool>
-         </attribute>
+         <widget class="QWidget" name="tabSelectedTrans">
+          <attribute name="title">
+           <string>Selected Transaction</string>
+          </attribute>
+          <layout class="QGridLayout" name="gridLayout_2">
+           <item row="0" column="0">
+            <layout class="QVBoxLayout" name="verticalLayout_4">
+             <item>
+              <widget class="SelectedTransactionTreeWidget" name="selectedTransactionTree">
+               <property name="sizePolicy">
+                <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+                 <horstretch>3</horstretch>
+                 <verstretch>3</verstretch>
+                </sizepolicy>
+               </property>
+               <property name="minimumSize">
+                <size>
+                 <width>300</width>
+                 <height>0</height>
+                </size>
+               </property>
+               <property name="maximumSize">
+                <size>
+                 <width>16777215</width>
+                 <height>16777215</height>
+                </size>
+               </property>
+               <property name="itemsExpandable">
+                <bool>true</bool>
+               </property>
+               <property name="sortingEnabled">
+                <bool>false</bool>
+               </property>
+               <property name="animated">
+                <bool>false</bool>
+               </property>
+               <property name="columnCount">
+                <number>0</number>
+               </property>
+               <attribute name="headerStretchLastSection">
+                <bool>true</bool>
+               </attribute>
+              </widget>
+             </item>
+            </layout>
+           </item>
+          </layout>
+         </widget>
+         <widget class="QWidget" name="tab_2">
+          <attribute name="title">
+           <string>Latency Analysis</string>
+          </attribute>
+          <layout class="QGridLayout" name="gridLayout_3">
+           <item row="0" column="0">
+            <layout class="QVBoxLayout" name="verticalLayout_7">
+             <item>
+              <widget class="QTreeView" name="latencyTreeView">
+               <property name="editTriggers">
+                <set>QAbstractItemView::NoEditTriggers</set>
+               </property>
+              </widget>
+             </item>
+            </layout>
+           </item>
+          </layout>
+         </widget>
         </widget>
        </item>
        <item>
         <widget class="CommentTreeWidget" name="commentTree">
          <property name="sizePolicy">
-          <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+          <sizepolicy hsizetype="Expanding" vsizetype="Minimum">
            <horstretch>2</horstretch>
            <verstretch>1</verstretch>
           </sizepolicy>
@@ -105,7 +147,7 @@
          <property name="minimumSize">
           <size>
            <width>300</width>
-           <height>0</height>
+           <height>200</height>
           </size>
          </property>
          <property name="maximumSize">