show tracepoints in the timelinewidget

Move the tracepoints from TimeAxisHeaderView to TimeLineWidget so that
we can use the header for cpu usage.
This also improves usability since the tracepoints are no longer bundles
in one line. They now each have their own line.

src/models/data.h

@@ -826,36 +826,37 @@ struct ThreadNames
     QHash<qint32, QHash<qint32, QString>> names;
 };
 
+struct TracepointEvents
+{
+    QString name;
+    Events events;
+    bool operator==(const TracepointEvents& rhs) const
+    {
+        return std::tie(name, events) == std::tie(rhs.name, rhs.events);
+    }
+};
+
 struct EventResults
 {
     QVector<ThreadEvents> threads;
     QVector<CpuEvents> cpus;
+    QVector<TracepointEvents> tracepoints;
     QVector<QVector<qint32>> stacks;
     QVector<CostSummary> totalCosts;
     qint32 offCpuTimeCostId = -1;
     qint32 lostEventCostId = -1;
+    qint32 tracepointEventCostId = -1;
 
     ThreadEvents* findThread(qint32 pid, qint32 tid);
     const ThreadEvents* findThread(qint32 pid, qint32 tid) const;
 
     bool operator==(const EventResults& rhs) const
     {
-        return std::tie(threads, cpus, stacks, totalCosts, offCpuTimeCostId)
-            == std::tie(rhs.threads, rhs.cpus, rhs.stacks, rhs.totalCosts, rhs.offCpuTimeCostId);
+        return std::tie(threads, cpus, tracepoints, stacks, totalCosts, offCpuTimeCostId)
+            == std::tie(rhs.threads, rhs.cpus, rhs.tracepoints, rhs.stacks, rhs.totalCosts, rhs.offCpuTimeCostId);
     }
 };
 
-struct Tracepoint
-{
-    quint64 time = 0;
-    QString name;
-};
-
-struct TracepointResults
-{
-    QVector<Tracepoint> tracepoints;
-};
-
 struct FilterAction
 {
     TimeRange time;
@@ -962,11 +963,8 @@ Q_DECLARE_TYPEINFO(Data::ThreadNames, Q_MOVABLE_TYPE);
 Q_DECLARE_METATYPE(Data::EventResults)
 Q_DECLARE_TYPEINFO(Data::EventResults, Q_MOVABLE_TYPE);
 
-Q_DECLARE_METATYPE(Data::Tracepoint)
-Q_DECLARE_TYPEINFO(Data::Tracepoint, Q_MOVABLE_TYPE);
-
-Q_DECLARE_METATYPE(Data::TracepointResults)
-Q_DECLARE_TYPEINFO(Data::TracepointResults, Q_MOVABLE_TYPE);
+Q_DECLARE_METATYPE(Data::TracepointEvents)
+Q_DECLARE_TYPEINFO(Data::TracepointEvents, Q_MOVABLE_TYPE);
 
 Q_DECLARE_METATYPE(Data::TimeRange)
 Q_DECLARE_TYPEINFO(Data::TimeRange, Q_MOVABLE_TYPE);