--- rel-0.9.7/src/Makefile.am	2016-08-30 16:58:31.444054971 +0100
+++ rtorrent-0.9.7/src/Makefile.am	2016-08-30 16:57:49.924279903 +0100
@@ -30,6 +30,7 @@ libsub_root_a_SOURCES = \
 	control.h \
 	globals.cc \
 	globals.h \
+	ui_pyroscope.cc \
 	option_parser.cc \
 	option_parser.h \
 	signal_handler.cc \
--- rel-0.9.7/src/command_helpers.cc	2016-08-30 16:59:41.970339564 +0100
+++ rtorrent-0.9.7/src/command_helpers.cc	2016-08-30 16:56:49.281275101 +0100
@@ -57,6 +57,7 @@ void initialize_command_throttle();
 void initialize_command_tracker();
 void initialize_command_scheduler();
 void initialize_command_ui();
+void initialize_command_ui_pyroscope();
 
 void
 initialize_commands() {
@@ -75,4 +76,5 @@ initialize_commands() {
   initialize_command_throttle();
   initialize_command_tracker();
   initialize_command_scheduler();
+  initialize_command_ui_pyroscope();
 }
--- rel-0.9.7/src/display/canvas.h	2009-11-12 09:03:47.000000000 +0100
+++ rtorrent-0.9.7/src/display/canvas.h	2016-08-28 12:47:17.252596654 +0100
@@ -137,8 +137,10 @@ Canvas::print(unsigned int x, unsigned i
 
   if (!m_isDaemon) {
     va_start(arglist, str);
-    wmove(m_window, y, x);
-    vw_printw(m_window, const_cast<char*>(str), arglist);
+    if (y < height()) {
+      wmove(m_window, y, x);
+      vw_printw(m_window, const_cast<char*>(str), arglist);
+    }
     va_end(arglist);
   }
 }
--- rel-0.9.7/src/display/window_statusbar.cc	2016-08-30 18:59:56.054590848 +0100
+++ rtorrent-0.9.7/src/display/window_statusbar.cc	2016-08-30 16:16:24.554410975 +0100
@@ -67,6 +67,8 @@ WindowStatusbar::redraw() {
     m_canvas->print(m_canvas->width() - (position - buffer), 0, "%s", buffer);
   }
 
+  void ui_pyroscope_statusbar_redraw(Window* window, display::Canvas* canvas);
+  ui_pyroscope_statusbar_redraw(this, m_canvas);
   m_lastTick = control->tick();
 }
 
--- rel-0.9.7/src/display/window_download_list.cc	2016-08-26 10:06:55.000000000 +0100
+++ rtorrent-0.9.7/src/display/window_download_list.cc	2016-08-30 12:27:10.745588420 +0100
@@ -83,6 +83,8 @@ WindowDownloadList::redraw() {
 
   m_canvas->print(0, 0, "%s", ("[View: " + m_view->name() + (m_view->get_temp_filter().is_empty() ? "" : " (filtered)") + "]").c_str());
 
+  bool ui_pyroscope_download_list_redraw(Window* window, display::Canvas* canvas, core::View* view);
+  if (ui_pyroscope_download_list_redraw(this, m_canvas, m_view)) return;
   if (m_view->empty_visible() || m_canvas->width() < 5 || m_canvas->height() < 2)
     return;
 
@@ -132,6 +134,8 @@ WindowDownloadList::redraw() {
       print_download_status(buffer, last, *range.first);
       m_canvas->print(0, pos++, "%c %s", range.first == m_view->focus() ? '*' : ' ', buffer);
 
+      void ui_pyroscope_download_list_redraw_item(Window* window, display::Canvas* canvas, core::View* view, int pos, Range& range);
+      ui_pyroscope_download_list_redraw_item(this, m_canvas, m_view, pos, range);
       range.first++;
     }
 
--- rel-0.9.7/src/display/canvas.cc	2016-08-30 17:01:19.156479729 +0100
+++ rtorrent-0.9.7/src/display/canvas.cc	2016-08-30 16:48:56.697168643 +0100
@@ -111,6 +111,8 @@ Canvas::initialize() {
 
   if (!m_isDaemon) {
     initscr();
+    extern void ui_pyroscope_canvas_init();
+    ui_pyroscope_canvas_init();
     raw();
     noecho();
     nodelay(stdscr, TRUE);