@@ -1460,4 +1460,26 @@ void Graph::draw(float size)
}
}
+void VirtGap::_draw(const Color &col, float size) const
+{
+ if (_entryPoint.x() - _exitPoint.x() < 4)
+ return;
+
+ Point p0(_exitPoint.x() + _size, _exitPoint.y());
+ Point p1(_exitPoint.x() + _size, _exitPoint.y() - _height);
+ Point p2(_entryPoint.x() - _size , _entryPoint.y());
+ Point p3(_entryPoint.x() - _size , _entryPoint.y() - _height);
+
+ Rectangle g;
+
+ g.setPoint(0, p0);
+ g.setPoint(1, p1);
+ g.setPoint(2, p2);
+ g.setPoint(3, p3);
+
+ g._color = {255, 255, 255}; // The virt. gap is always white.
+ g.setFill(false);
+ g.draw();
+}
+
} // KsPlot
@@ -578,6 +578,53 @@ private:
int _firstBinOffset();
};
+/**
+ * This class represents the graphical element visualizing how the execution
+ * goes from the host to the guest and back.
+ */
+class VirtBridge : public Polyline {
+public:
+ /** Create a default VirtBridge. */
+ VirtBridge() : Polyline(4) {}
+
+ /* Keep this destructor virtual. */
+ virtual ~VirtBridge() {}
+
+ /** Set the coordinates of the EntryHost point of the VirtBridge. */
+ void setEntryHost(int x, int y) {setPoint(0, x, y);}
+
+ /** Set the coordinates of the EntryGuest point of the VirtBridge. */
+ void setEntryGuest(int x, int y) {setPoint(1, x, y);}
+
+ /** Set the coordinates of the ExitGuest point of the VirtBridge. */
+ void setExitGuest(int x, int y) {setPoint(2, x, y);}
+
+ /** Set the coordinates of the ExitHost point of the VirtBridge. */
+ void setExitHost(int x, int y) {setPoint(3, x, y);}
+};
+
+/**
+ * This class represents the graphical element visualizing the time interval
+ * in the guest during which the execution has been returned to the host.
+ */
+class VirtGap : public Shape {
+public:
+ /** Create a VirtGap with height "h". */
+ VirtGap(int h) :_height(h) {}
+
+ /** The point where the execution exits the VM. */
+ Point _exitPoint;
+
+ /** The point where the execution enters the VM. */
+ Point _entryPoint;
+
+private:
+ /** The vertical size (height) of the graphical element. */
+ int _height;
+
+ void _draw(const Color &col, float size) const;
+};
+
}; // KsPlot
#endif /* _KS_PLOT_TOOLS_H */
The two simple plotting classes will be used to visualise the guest->host data correlations. Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@gmail.com> --- src/KsPlotTools.cpp | 22 +++++++++++++++++++++ src/KsPlotTools.hpp | 47 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 69 insertions(+)