Merge branch 'master' of git://sources.redhat.com/git/systemtap

Conflicts:

	aclocal.m4
	configure

8 files changed, 1136 insertions, 0 deletions

diff --git a/grapher/CairoWidget.cxx b/grapher/CairoWidget.cxx
new file mode 100644
index 00000000..86498a4f
--- /dev/null
+++ b/grapher/CairoWidget.cxx
@@ -0,0 +1,42 @@
+#include "CairoWidget.hxx"
+
+#include <math.h>
+
+namespace systemtap
+{
+  void CairoPlayButton::draw(Cairo::RefPtr<Cairo::Context> cr)
+  {
+    if (!_visible)
+      return;
+    cr->save();
+    cr->set_line_width(1.0);
+    // square with rounded corners
+    cr->move_to(_x0, _y0 + _radius);
+    cr->arc(_x0 + _radius, _y0 + _radius, _radius, M_PI, -M_PI_2);
+    cr->line_to(_x0 + _size - _radius, _y0);
+    cr->arc(_x0 + _size - _radius, _y0 + _radius, _radius, -M_PI_2, 0.0);
+    cr->line_to(_x0 + _size, _y0 + _size - _radius);
+    cr->arc(_x0 + _size - _radius, _y0 + _size - _radius, _radius, 0.0, M_PI_2);
+    cr->line_to(_x0 + _radius, _y0 + _size);
+    cr->arc(_x0 + _radius, _y0 + _size - _radius, _radius, M_PI_2, M_PI);
+    cr->close_path();
+    //cr->rectangle(_x0, _y0, 50.0, 50.0);
+    cr->set_source_rgba(1.0, 1.0, 1.0, .8);
+    cr->stroke();
+    // play equalateral triangle
+    cr->move_to(_x0 + .25 * _size, _y0 + (.5 - 1.0 / (sqrt(3.0) * 2.0)) * _size);
+    cr->line_to(_x0 + .75 * _size, _y0 + .5 * _size);
+    cr->line_to(_x0 + .25 * _size, _y0 + (.5 + 1.0 / (sqrt(3.0) * 2.0)) * _size);
+    cr->close_path();
+    cr->fill();
+    cr->restore();
+  }
+
+  bool CairoPlayButton::containsPoint(double x, double y)
+  {
+    if (x >= _x0 && (x < (_x0 + 50.0)) && (y >= _y0) && (y < (_y0 + 50)))
+     return true;
+    else
+    return false;
+  }
+}
diff --git a/grapher/CairoWidget.hxx b/grapher/CairoWidget.hxx
new file mode 100644
index 00000000..077a4c7a
--- /dev/null
+++ b/grapher/CairoWidget.hxx
@@ -0,0 +1,42 @@
+#ifndef SYSTEMTAP_CAIROWIDGET_H
+#define SYSTEMTAP_CAIROWIDGET_H 1
+
+#include <cairomm/context.h>
+namespace systemtap
+{
+  class CairoWidget
+  {
+  public:
+    CairoWidget(bool visible = false)
+      : _visible(visible), _size(50.0), _radius(5)
+    {}
+    bool isVisible() const { return _visible; }
+    void setVisible(bool visible) { _visible = visible; }
+    void getOrigin(double &x, double &y) const
+    {
+      x = _x0;
+      y = _y0;
+    }
+    void setOrigin(double x, double y)
+    {
+      _x0 = x;
+      _y0 = y;
+    }
+    virtual void draw(Cairo::RefPtr<Cairo::Context> cr) = 0;
+    virtual bool containsPoint(double x, double y) { return false; }
+  protected:
+    bool _visible;
+    double _x0;
+    double _y0;
+    double _size;
+    double _radius;
+  };
+
+  class CairoPlayButton : public CairoWidget
+  {
+  public:
+    virtual void draw(Cairo::RefPtr<Cairo::Context> cr);
+    virtual bool containsPoint(double x, double y);
+  };
+}
+#endif
diff --git a/grapher/GraphData.hxx b/grapher/GraphData.hxx
new file mode 100644
index 00000000..0f3b0b31
--- /dev/null
+++ b/grapher/GraphData.hxx
@@ -0,0 +1,44 @@
+#ifndef SYSTEMTAP_GRAPHDATA_HXX
+#define SYSTEMTAP_GRAPHDATA_HXX 1
+
+#include <utility>
+#include <vector>
+
+namespace systemtap
+{
+  struct GraphData
+  {
+  public:
+    enum Style
+      { BAR,
+        DOT
+      };
+    GraphData() : scale(1.0), style(BAR)
+    {
+      color[0] = 0.0;  color[1] = 1.0;  color[2] = 0.0;
+    }
+    typedef std::pair<double, double> Datum;
+    typedef std::vector<Datum> List;
+    // size of grid square at "normal" viewing
+    double scale;
+    double color[3];
+    Style style;
+    List data;
+    struct Compare
+    {
+      bool operator() (const Datum& lhs, const Datum& rhs) const
+      {
+        return lhs.first < rhs.first;
+      }
+      bool operator() (double lhs, const Datum& rhs) const
+      {
+        return lhs < rhs.first;
+      }
+      bool operator() (const Datum& lhs, double rhs) const
+      {
+        return lhs.first < rhs;
+      }
+    };
+  };
+}
+#endif
diff --git a/grapher/GraphWidget.cxx b/grapher/GraphWidget.cxx
new file mode 100644
index 00000000..5186c471
--- /dev/null
+++ b/grapher/GraphWidget.cxx
@@ -0,0 +1,323 @@
+#include <algorithm>
+#include <ctime>
+#include <math.h>
+#include <sstream>
+#include <iomanip>
+#include <cairomm/context.h>
+#include "GraphWidget.hxx"
+#include "CairoWidget.hxx"
+
+namespace systemtap
+{
+  GraphWidget::GraphWidget()
+    : _left(0.0), _right(1.0), _top(1.0), _bottom(0.0), _lineWidth(10),
+      _autoScaling(true), _autoScrolling(true), _zoomFactor(1.0),
+      _trackingDrag(false), _playButton(new CairoPlayButton)
+  {
+    add_events(Gdk::POINTER_MOTION_MASK | Gdk::BUTTON_PRESS_MASK
+               | Gdk::BUTTON_RELEASE_MASK | Gdk::SCROLL_MASK);
+    Glib::signal_timeout()
+      .connect(sigc::mem_fun(*this, &GraphWidget::on_timeout), 1000);
+    signal_expose_event()
+      .connect(sigc::mem_fun(*this, &GraphWidget::on_expose_event), false);
+    signal_button_press_event()
+      .connect(sigc::mem_fun(*this, &GraphWidget::on_button_press_event),
+               false);
+    signal_button_release_event()
+      .connect(sigc::mem_fun(*this, &GraphWidget::on_button_release_event),
+               false);
+    signal_motion_notify_event()
+      .connect(sigc::mem_fun(*this, &GraphWidget::on_motion_notify_event),
+               false);
+    signal_scroll_event()
+      .connect(sigc::mem_fun(*this, &GraphWidget::on_scroll_event), false);
+  }
+
+  void GraphWidget::getExtents(double& left, double& right, double& top,
+                               double& bottom) const
+  {
+    left = _left;
+    right = _right;
+    top = _top;
+    bottom = _bottom;
+  }
+
+  void GraphWidget::setExtents(double left, double right, double top,
+                               double bottom)
+  {
+    _left = left;
+    _right = right;
+    _top = top;
+    _bottom = bottom;
+
+  }
+  GraphWidget::~GraphWidget()
+  {
+  }
+
+  void GraphWidget::addGraphData(std::tr1::shared_ptr<GraphData> data)
+  {
+    _datasets.push_back(data);
+  }
+  
+  bool GraphWidget::on_expose_event(GdkEventExpose* event)
+  {
+    // This is where we draw on the window
+    Glib::RefPtr<Gdk::Window> window = get_window();
+    if(!window)
+      return true;
+
+    Gtk::Allocation allocation = get_allocation();
+    
+    const int graphWidth = allocation.get_width();
+    const int graphHeight = allocation.get_height();
+    const int width = graphWidth - 20;
+    const int height = graphHeight - 20;
+
+    Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();
+    if(event && !_autoScaling)
+      {
+        // clip to the area indicated by the expose event so that we only
+        // redraw the portion of the window that needs to be redrawn
+        cr->rectangle(event->area.x, event->area.y,
+                      event->area.width, event->area.height);
+        cr->clip();
+      }
+    if (_autoScaling)
+      {
+         // line separation
+        int linesPossible = width / (_lineWidth + 2);
+        // Find latest time.
+        double latestTime = 0;
+        for (DatasetList::iterator ditr = _datasets.begin(),
+               de = _datasets.end();
+             ditr != de;
+             ++ditr)
+          {
+            if (!(*ditr)->data.empty())
+              {
+                double lastDataTime = (*ditr)->data.back().first;
+                if (lastDataTime > latestTime)
+                  latestTime = lastDataTime;
+              }
+          }
+        double minDiff = 0.0;
+        double maxTotal = 0.0;
+        for (DatasetList::iterator ditr = _datasets.begin(),
+               de = _datasets.end();
+             ditr != de;
+             ++ditr)
+          {
+            GraphData::List& gdata = (*ditr)->data;
+            if (gdata.size() <= 1)
+              continue;
+            double totalDiff = 0.0;
+            for (GraphData::List::reverse_iterator ritr = gdata.rbegin(),
+                   re = gdata.rend();
+                 ritr + 1 != gdata.rend();
+                 ritr++)
+              {
+                double timeDiff = ritr->first - (ritr + 1)->first;
+                if (timeDiff < minDiff || (timeDiff != 0 && minDiff == 0))
+                  minDiff = timeDiff;
+                if (minDiff != 0
+                    && (totalDiff + timeDiff) / minDiff > linesPossible)
+                  break;
+                totalDiff += timeDiff;
+              }
+            if (totalDiff > maxTotal)
+              maxTotal = totalDiff;
+          }
+        // Now we have a global scale.
+        _right = latestTime;
+        if (maxTotal != 0)
+          _left = latestTime - maxTotal;
+        else
+          _left = _right - 1.0;
+      }
+    cr->save();
+    double horizScale = _zoomFactor * width / ( _right - _left);
+    cr->translate(20.0, 0.0);
+    cr->set_line_width(_lineWidth);
+    cr->save();
+    cr->set_source_rgba(0.0, 0.0, 0.0, 1.0);
+    cr->paint();
+    cr->restore();
+
+    for (DatasetList::iterator itr = _datasets.begin(), e = _datasets.end();
+         itr != e;
+         ++itr)
+      {
+        cr->save();
+        cr->translate(0.0, height);
+        cr->scale(1.0, -1.0);
+        GraphData::List::iterator lower
+          = std::lower_bound((*itr)->data.begin(), (*itr)->data.end(), _left,
+                             GraphData::Compare());
+        GraphData::List::iterator upper
+          = std::upper_bound((*itr)->data.begin(), (*itr)->data.end(), _right,
+                             GraphData::Compare());
+        for (GraphData::List::iterator ditr = lower, de = upper;
+             ditr != de;
+             ++ditr)
+          {
+            cr->set_source_rgba((*itr)->color[0], (*itr)->color[1],
+                                (*itr)->color[2], 1.0);
+            if ((*itr)->style == GraphData::BAR)
+              {
+                cr->move_to((ditr->first - _left) * horizScale, 0);
+                cr->line_to((ditr->first - _left) * horizScale,
+                            ditr->second * height / (*itr)->scale);
+                cr->stroke();
+              }
+            else
+              {
+                cr->arc((ditr->first - _left) * horizScale,
+                        ditr->second * height / (*itr)->scale,
+                        _lineWidth / 2.0, 0.0, M_PI * 2.0);
+                cr->fill();
+              }
+          }
+        cr->restore();
+      }
+    cr->restore();
+    cr->save();
+    cr->select_font_face("Sans", Cairo::FONT_SLANT_NORMAL,
+                         Cairo::FONT_WEIGHT_BOLD);
+    cr->set_font_size(14.0);
+    cr->set_source_rgba(1.0, 1.0, 1.0, .8);
+    
+    if (!_title.empty())
+      {
+        cr->move_to(20.0, 20.0);
+        cr->show_text(_title);
+      }
+    if (!_xAxisText.empty())
+      {
+        cr->move_to(10.0, graphHeight - 5);
+        cr->show_text(_xAxisText);
+      }
+    if (!_yAxisText.empty())
+      {
+        cr->save();
+        cr->translate(10.0, height - 10.0);
+        cr->rotate(-M_PI / 2.0);
+        cr->move_to(10.0, 0.0);
+        cr->show_text(_yAxisText);
+        cr->restore();
+      }
+    cr->restore();
+    // Draw axes
+    double diff = _right - _left;
+    double majorUnit = pow(10.0, floor(log(diff) / log(10.0)));
+    double startTime = floor(_left / majorUnit) * majorUnit;
+    cr->save();
+    cr->set_source_rgba(1.0, 1.0, 1.0, .9);
+    cr->set_line_cap(Cairo::LINE_CAP_BUTT);
+    cr->set_line_width(_lineWidth);
+    cr->select_font_face("Sans", Cairo::FONT_SLANT_NORMAL,
+                         Cairo::FONT_WEIGHT_NORMAL);
+    cr->set_font_size(10.0);
+    cr->move_to(20.0, 0.0);
+    cr->line_to(20.0, height);
+    cr->move_to(20.0, height);
+    cr->line_to(graphWidth, height);
+    cr->stroke();
+    std::vector<double> dash(1);
+    dash[0] = height / 10;
+    cr->set_dash(dash, 0);
+    for (double tickVal = startTime; tickVal < _right; tickVal += majorUnit)
+      {
+        cr->move_to((tickVal - _left) * horizScale + 20.0, graphHeight - 5);
+        std::ostringstream stream;
+        stream << std::fixed << std::setprecision(0) << tickVal;
+        cr->show_text(stream.str());
+        cr->move_to((tickVal - _left) * horizScale + 20.0, 0.0);
+        cr->line_to((tickVal - _left) * horizScale + 20.0, height);
+        cr->stroke();
+      }
+    cr->stroke();
+    cr->restore();
+    
+    if (!_autoScrolling)
+      {
+        _playButton->setVisible(true);
+        _playButton->setOrigin(width / 2 - 25, .875 * height - 50);
+        _playButton->draw(cr);
+      }
+    
+    return true;
+  }
+
+  bool GraphWidget::on_button_press_event(GdkEventButton* event)
+  {
+    if (!_autoScrolling && _playButton->containsPoint(event->x, event->y))
+      {
+        _autoScaling = true;
+        _autoScrolling = true;
+        queue_draw();
+      }
+    else
+      {
+        _trackingDrag = true;
+        _autoScaling = false;
+        _autoScrolling = false;
+        _dragOriginX = event->x;
+        _dragOriginY = event->y;
+        _dragOrigLeft = _left;
+        _dragOrigRight = _right;
+      }
+    return true;
+  }
+
+  bool GraphWidget::on_button_release_event(GdkEventButton* event)
+  {
+    _trackingDrag = false;
+    return true;
+  }
+  
+  bool GraphWidget::on_motion_notify_event(GdkEventMotion* event)
+  {
+    Glib::RefPtr<Gdk::Window> win = get_window();
+    if(!win)
+      return true;
+    double x;
+    double y;
+    // XXX Hint
+    if (event->is_hint)
+      {
+      }
+    else
+      {
+        x = event->x;
+        y = event->y;
+      }
+    if (_trackingDrag)
+      {
+        Gtk::Allocation allocation = get_allocation();
+        const int width = allocation.get_width();
+        double motion = (x - _dragOriginX) / (double) width;
+        double increment = motion * (_dragOrigLeft - _dragOrigRight);
+        _left = _dragOrigLeft + increment;
+        _right = _dragOrigRight + increment;
+        queue_draw();
+      }
+    return true;
+  }
+
+  bool GraphWidget::on_scroll_event(GdkEventScroll* event)
+  {
+    if (event->direction == GDK_SCROLL_UP)
+      _zoomFactor += .1;
+    else if (event->direction == GDK_SCROLL_DOWN)
+      _zoomFactor -= .1;
+    queue_draw();
+    return true;
+  }
+
+  bool GraphWidget::on_timeout()
+  {
+    queue_draw();
+    return true;
+  }
+}
diff --git a/grapher/GraphWidget.hxx b/grapher/GraphWidget.hxx
new file mode 100644
index 00000000..46075b78
--- /dev/null
+++ b/grapher/GraphWidget.hxx
@@ -0,0 +1,62 @@
+#ifndef SYSTEMTAP_GRAPHWIDGET_H
+#define SYSTEMTAP_GRAPHWIDGET_H
+
+#include <string>
+#include <vector>
+#include <tr1/memory>
+
+#include <gtkmm/drawingarea.h>
+#include "GraphData.hxx"
+
+namespace systemtap
+{
+  class CairoPlayButton;
+  
+  class GraphWidget : public Gtk::DrawingArea
+  {
+  public:
+    GraphWidget();
+    virtual ~GraphWidget();
+    void addGraphData(std::tr1::shared_ptr<GraphData> data);
+    void getExtents(double& left, double& right, double& top, double& bottom) const;
+    void setExtents(double left, double right, double top, double bottom);
+    double getLineWidth() { return _lineWidth; }
+    void setLineWidth(double lineWidth) { _lineWidth = lineWidth; }
+    bool getAutoScaling() const { return _autoScaling; }
+    void setAutoScaling(bool val) { _autoScaling = val; }
+    std::string getTitle() const { return _title; }
+    void setTitle(const std::string& title) { _title = title; }
+    std::string getXAxisText() const { return _xAxisText; }
+    void setXAxisText(const std::string& text) { _xAxisText = text; }
+    std::string getYAxisText() const { return _yAxisText; }
+    void setYAxisText(const std::string& text) { _yAxisText = text; }
+  protected:
+    //Override default signal handler:
+    virtual bool on_expose_event(GdkEventExpose* event);
+    virtual bool on_motion_notify_event(GdkEventMotion* event);
+    virtual bool on_button_press_event(GdkEventButton* event);
+    virtual bool on_button_release_event(GdkEventButton* event);
+    virtual bool on_scroll_event(GdkEventScroll* event);
+    bool on_timeout();
+    typedef std::vector<std::tr1::shared_ptr<GraphData> > DatasetList;
+    DatasetList _datasets;
+    double _left;
+    double _right;
+    double _top;
+    double _bottom;
+    double _lineWidth;
+    bool _autoScaling;
+    bool _autoScrolling;
+    double _zoomFactor;
+    bool _trackingDrag;
+    double _dragOriginX;
+    double _dragOriginY;
+    double _dragOrigLeft;
+    double _dragOrigRight;
+    std::string _title;
+    std::string _xAxisText;
+    std::string _yAxisText;
+    std::tr1::shared_ptr<CairoPlayButton> _playButton;
+  };
+}
+#endif // SYSTEMTAP_GRAPHWIDGET_H
diff --git a/grapher/Makefile.am b/grapher/Makefile.am
new file mode 100644
index 00000000..fdb52ef7
--- /dev/null
+++ b/grapher/Makefile.am
@@ -0,0 +1,7 @@
+if BUILD_GRAPHER
+bin_PROGRAMS = grapher
+
+grapher_CXXFLAGS = $(GRAPHER_CFLAGS)
+grapher_SOURCES = grapher.cxx GraphWidget.cxx CairoWidget.cxx
+grapher_LDADD = $(GRAPHER_LIBS)
+endif
\ No newline at end of file
diff --git a/grapher/Makefile.in b/grapher/Makefile.in
new file mode 100644
index 00000000..e90d2b6d
--- /dev/null
+++ b/grapher/Makefile.in
@@ -0,0 +1,489 @@
+# Makefile.in generated by automake 1.10 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+@BUILD_GRAPHER_TRUE@bin_PROGRAMS = grapher$(EXEEXT)
+subdir = grapher
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+am__installdirs = "$(DESTDIR)$(bindir)"
+binPROGRAMS_INSTALL = $(INSTALL_PROGRAM)
+PROGRAMS = $(bin_PROGRAMS)
+am__grapher_SOURCES_DIST = grapher.cxx GraphWidget.cxx CairoWidget.cxx
+@BUILD_GRAPHER_TRUE@am_grapher_OBJECTS = grapher-grapher.$(OBJEXT) \
+@BUILD_GRAPHER_TRUE@	grapher-GraphWidget.$(OBJEXT) \
+@BUILD_GRAPHER_TRUE@	grapher-CairoWidget.$(OBJEXT)
+grapher_OBJECTS = $(am_grapher_OBJECTS)
+am__DEPENDENCIES_1 =
+@BUILD_GRAPHER_TRUE@grapher_DEPENDENCIES = $(am__DEPENDENCIES_1)
+grapher_LINK = $(CXXLD) $(grapher_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) \
+	$(LDFLAGS) -o $@
+DEFAULT_INCLUDES = -I. -I$(top_builddir)@am__isrc@
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__depfiles_maybe = depfiles
+CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
+CXXLD = $(CXX)
+CXXLINK = $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) \
+	-o $@
+SOURCES = $(grapher_SOURCES)
+DIST_SOURCES = $(am__grapher_SOURCES_DIST)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+AMTAR = @AMTAR@
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+CC = @CC@
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+CXXCPP = @CXXCPP@
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+CXXFLAGS = @CXXFLAGS@
+CYGPATH_W = @CYGPATH_W@
+DATE = @DATE@
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+DEPDIR = @DEPDIR@
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+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu  grapher/Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu  grapher/Makefile
+.PRECIOUS: Makefile
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+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
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+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	test -z "$(bindir)" || $(MKDIR_P) "$(DESTDIR)$(bindir)"
+	@list='$(bin_PROGRAMS)'; for p in $$list; do \
+	  p1=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+	  if test -f $$p \
+	  ; then \
+	    f=`echo "$$p1" | sed 's,^.*/,,;$(transform);s/$$/$(EXEEXT)/'`; \
+	   echo " $(INSTALL_PROGRAM_ENV) $(binPROGRAMS_INSTALL) '$$p' '$(DESTDIR)$(bindir)/$$f'"; \
+	   $(INSTALL_PROGRAM_ENV) $(binPROGRAMS_INSTALL) "$$p" "$(DESTDIR)$(bindir)/$$f" || exit 1; \
+	  else :; fi; \
+	done
+
+uninstall-binPROGRAMS:
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+	@list='$(bin_PROGRAMS)'; for p in $$list; do \
+	  f=`echo "$$p" | sed 's,^.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/'`; \
+	  echo " rm -f '$(DESTDIR)$(bindir)/$$f'"; \
+	  rm -f "$(DESTDIR)$(bindir)/$$f"; \
+	done
+
+clean-binPROGRAMS:
+	-test -z "$(bin_PROGRAMS)" || rm -f $(bin_PROGRAMS)
+grapher$(EXEEXT): $(grapher_OBJECTS) $(grapher_DEPENDENCIES) 
+	@rm -f grapher$(EXEEXT)
+	$(grapher_LINK) $(grapher_OBJECTS) $(grapher_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
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+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/grapher-GraphWidget.Po@am__quote@
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+@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
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+
+grapher-GraphWidget.o: GraphWidget.cxx
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+grapher-GraphWidget.obj: GraphWidget.cxx
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+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
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+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
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+	  test -n "$$unique" || unique=$$empty_fix; \
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+		$(TAGS_FILES) $(LISP)
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+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '    { files[$$0] = 1; } \
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+	here=`$(am__cd) $(top_builddir) && pwd` \
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+	  && gtags -i $(GTAGS_ARGS) $$here
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+distdir: $(DISTFILES)
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+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
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+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
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diff --git a/grapher/grapher.cxx b/grapher/grapher.cxx
new file mode 100644
index 00000000..46182178
--- /dev/null
+++ b/grapher/grapher.cxx
@@ -0,0 +1,127 @@
+#include "GraphWidget.hxx"
+
+#include <cmath>
+#include <sstream>
+#include <string>
+#include <map>
+
+#include <gtkmm/main.h>
+#include <gtkmm/window.h>
+#include <unistd.h>
+#include <poll.h>
+
+using namespace systemtap;
+
+class StapParser
+{
+  Glib::ustring _buffer;
+  typedef std::map<std::string, std::tr1::shared_ptr<GraphData> > DataMap;
+  DataMap _dataSets;
+  Gtk::Window& _win;
+  GraphWidget& _widget;
+public:
+  StapParser(Gtk::Window& win,
+             GraphWidget& widget) : _win(win), _widget(widget) {}
+  
+  bool ioCallback(Glib::IOCondition ioCondition)
+  {
+    if ((ioCondition & Glib::IO_IN) == 0)
+      return true;
+    char buf[256];
+    ssize_t bytes_read = 0;
+    bytes_read = read(0, buf, sizeof(buf) - 1);
+    if (bytes_read <= 0)
+      {
+        _win.hide();
+        return true;
+      }
+    buf[bytes_read] = '\0';
+    _buffer += buf;
+    Glib::ustring::size_type ret = Glib::ustring::npos;
+    while ((ret = _buffer.find('\n')) != Glib::ustring::npos)
+      {
+        Glib::ustring dataString(_buffer, 0, ret);
+        if (dataString[0] == '%')
+          {
+            size_t found;
+            if ((found = dataString.find("%Title:") == 0))
+              {
+                std::string title = dataString.substr(7);
+                _widget.setTitle(title);
+              }
+            else if ((found = dataString.find("%XAxisTitle:") == 0))
+              {
+                _widget.setXAxisText(dataString.substr(12));
+              }
+            else if ((found = dataString.find("%YAxisTitle:") == 0))
+              {
+                _widget.setYAxisText(dataString.substr(12));
+              }
+            else if ((found = dataString.find("%YMax:") == 0))
+              {
+                double ymax;
+                std::istringstream stream(dataString.substr(6));
+                stream >> ymax;
+                // _gdata->scale = ymax;
+              }
+            else if ((found = dataString.find("%DataSet:") == 0))
+              {
+                std::tr1::shared_ptr<GraphData> dataSet(new GraphData);
+                std::string setName;
+                int hexColor;
+                std::string style;
+                std::istringstream stream(dataString.substr(9));
+                stream >> setName >> dataSet->scale >> std::hex >> hexColor
+                       >> style;
+                dataSet->color[0] = (hexColor >> 16) / 255.0;
+                dataSet->color[1] = ((hexColor >> 8) & 0xff) / 255.0;
+                dataSet->color[2] = (hexColor & 0xff) / 255.0;
+                if (style == "dot")
+                  dataSet->style = GraphData::DOT;
+                _dataSets.insert(std::make_pair(setName, dataSet));
+                _widget.addGraphData(dataSet);
+              }
+          }
+        else
+          {
+            std::string dataSet;
+            double time;
+            double data;
+            std::istringstream stream(dataString);
+            stream >> dataSet >> time >> data;
+            DataMap::iterator itr = _dataSets.find(dataSet);
+            if (itr != _dataSets.end())
+              itr->second->data.push_back(std::make_pair(time, data));
+          }
+        _buffer.erase(0, ret + 1);
+      }
+    return true;
+  }
+};
+
+int main(int argc, char** argv)
+{
+   Gtk::Main app(argc, argv);
+
+   Gtk::Window win;
+
+   win.set_title("Grapher");
+   win.set_default_size(600, 200);
+
+   GraphWidget w;
+   
+   w.setExtents(0.0, 1.0, 5.0, 0.0);
+   w.setLineWidth(2);
+
+   StapParser stapParser(win, w);
+   Glib::signal_io().connect(sigc::mem_fun(stapParser,
+                                           &StapParser::ioCallback),
+                             0,
+                             Glib::IO_IN);
+   win.add(w);
+   w.show();
+
+   Gtk::Main::run(win);
+
+   return 0;
+}