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perf, sched migration: Librarize the GUI class
Export the GUI facility in the common library path. It is going to be useful for other scheduler views. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Nikhil Rao <ncrao@google.com> Cc: Tom Zanussi <tzanussi@gmail.com>
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Frederic Weisbecker
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Aug 1, 2010
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tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/SchedGui.py
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| Original file line number | Diff line number | Diff line change |
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| # SchedGui.py - Python extension for perf trace, basic GUI code for | ||
| # traces drawing and overview. | ||
| # | ||
| # Copyright (C) 2010 by Frederic Weisbecker <fweisbec@gmail.com> | ||
| # | ||
| # This software is distributed under the terms of the GNU General | ||
| # Public License ("GPL") version 2 as published by the Free Software | ||
| # Foundation. | ||
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| try: | ||
| import wx | ||
| except ImportError: | ||
| raise ImportError, "You need to install the wxpython lib for this script" | ||
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| class RootFrame(wx.Frame): | ||
| Y_OFFSET = 100 | ||
| RECT_HEIGHT = 100 | ||
| RECT_SPACE = 50 | ||
| EVENT_MARKING_WIDTH = 5 | ||
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| def __init__(self, sched_tracer, title, parent = None, id = -1): | ||
| wx.Frame.__init__(self, parent, id, title) | ||
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| (self.screen_width, self.screen_height) = wx.GetDisplaySize() | ||
| self.screen_width -= 10 | ||
| self.screen_height -= 10 | ||
| self.zoom = 0.5 | ||
| self.scroll_scale = 20 | ||
| self.sched_tracer = sched_tracer | ||
| self.sched_tracer.set_root_win(self) | ||
| (self.ts_start, self.ts_end) = sched_tracer.interval() | ||
| self.update_width_virtual() | ||
| self.nr_rects = sched_tracer.nr_rectangles() + 1 | ||
| self.height_virtual = RootFrame.Y_OFFSET + (self.nr_rects * (RootFrame.RECT_HEIGHT + RootFrame.RECT_SPACE)) | ||
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| # whole window panel | ||
| self.panel = wx.Panel(self, size=(self.screen_width, self.screen_height)) | ||
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| # scrollable container | ||
| self.scroll = wx.ScrolledWindow(self.panel) | ||
| self.scroll.SetScrollbars(self.scroll_scale, self.scroll_scale, self.width_virtual / self.scroll_scale, self.height_virtual / self.scroll_scale) | ||
| self.scroll.EnableScrolling(True, True) | ||
| self.scroll.SetFocus() | ||
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| # scrollable drawing area | ||
| self.scroll_panel = wx.Panel(self.scroll, size=(self.screen_width - 15, self.screen_height / 2)) | ||
| self.scroll_panel.Bind(wx.EVT_PAINT, self.on_paint) | ||
| self.scroll_panel.Bind(wx.EVT_KEY_DOWN, self.on_key_press) | ||
| self.scroll_panel.Bind(wx.EVT_LEFT_DOWN, self.on_mouse_down) | ||
| self.scroll.Bind(wx.EVT_PAINT, self.on_paint) | ||
| self.scroll.Bind(wx.EVT_KEY_DOWN, self.on_key_press) | ||
| self.scroll.Bind(wx.EVT_LEFT_DOWN, self.on_mouse_down) | ||
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| self.scroll.Fit() | ||
| self.Fit() | ||
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| self.scroll_panel.SetDimensions(-1, -1, self.width_virtual, self.height_virtual, wx.SIZE_USE_EXISTING) | ||
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| self.txt = None | ||
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| self.Show(True) | ||
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| def us_to_px(self, val): | ||
| return val / (10 ** 3) * self.zoom | ||
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| def px_to_us(self, val): | ||
| return (val / self.zoom) * (10 ** 3) | ||
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| def scroll_start(self): | ||
| (x, y) = self.scroll.GetViewStart() | ||
| return (x * self.scroll_scale, y * self.scroll_scale) | ||
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| def scroll_start_us(self): | ||
| (x, y) = self.scroll_start() | ||
| return self.px_to_us(x) | ||
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| def paint_rectangle_zone(self, nr, color, top_color, start, end): | ||
| offset_px = self.us_to_px(start - self.ts_start) | ||
| width_px = self.us_to_px(end - self.ts_start) | ||
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| offset_py = RootFrame.Y_OFFSET + (nr * (RootFrame.RECT_HEIGHT + RootFrame.RECT_SPACE)) | ||
| width_py = RootFrame.RECT_HEIGHT | ||
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| dc = self.dc | ||
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| if top_color is not None: | ||
| (r, g, b) = top_color | ||
| top_color = wx.Colour(r, g, b) | ||
| brush = wx.Brush(top_color, wx.SOLID) | ||
| dc.SetBrush(brush) | ||
| dc.DrawRectangle(offset_px, offset_py, width_px, RootFrame.EVENT_MARKING_WIDTH) | ||
| width_py -= RootFrame.EVENT_MARKING_WIDTH | ||
| offset_py += RootFrame.EVENT_MARKING_WIDTH | ||
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| (r ,g, b) = color | ||
| color = wx.Colour(r, g, b) | ||
| brush = wx.Brush(color, wx.SOLID) | ||
| dc.SetBrush(brush) | ||
| dc.DrawRectangle(offset_px, offset_py, width_px, width_py) | ||
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| def update_rectangles(self, dc, start, end): | ||
| start += self.ts_start | ||
| end += self.ts_start | ||
| self.sched_tracer.fill_zone(start, end) | ||
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| def on_paint(self, event): | ||
| dc = wx.PaintDC(self.scroll_panel) | ||
| self.dc = dc | ||
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| width = min(self.width_virtual, self.screen_width) | ||
| (x, y) = self.scroll_start() | ||
| start = self.px_to_us(x) | ||
| end = self.px_to_us(x + width) | ||
| self.update_rectangles(dc, start, end) | ||
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| def rect_from_ypixel(self, y): | ||
| y -= RootFrame.Y_OFFSET | ||
| rect = y / (RootFrame.RECT_HEIGHT + RootFrame.RECT_SPACE) | ||
| height = y % (RootFrame.RECT_HEIGHT + RootFrame.RECT_SPACE) | ||
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| if rect < 0 or rect > self.nr_rects - 1 or height > RootFrame.RECT_HEIGHT: | ||
| return -1 | ||
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| return rect | ||
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| def update_summary(self, txt): | ||
| if self.txt: | ||
| self.txt.Destroy() | ||
| self.txt = wx.StaticText(self.panel, -1, txt, (0, (self.screen_height / 2) + 50)) | ||
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| def on_mouse_down(self, event): | ||
| (x, y) = event.GetPositionTuple() | ||
| rect = self.rect_from_ypixel(y) | ||
| if rect == -1: | ||
| return | ||
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| t = self.px_to_us(x) + self.ts_start | ||
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| self.sched_tracer.mouse_down(rect, t) | ||
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| def update_width_virtual(self): | ||
| self.width_virtual = self.us_to_px(self.ts_end - self.ts_start) | ||
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| def __zoom(self, x): | ||
| self.update_width_virtual() | ||
| (xpos, ypos) = self.scroll.GetViewStart() | ||
| xpos = self.us_to_px(x) / self.scroll_scale | ||
| self.scroll.SetScrollbars(self.scroll_scale, self.scroll_scale, self.width_virtual / self.scroll_scale, self.height_virtual / self.scroll_scale, xpos, ypos) | ||
| self.Refresh() | ||
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| def zoom_in(self): | ||
| x = self.scroll_start_us() | ||
| self.zoom *= 2 | ||
| self.__zoom(x) | ||
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| def zoom_out(self): | ||
| x = self.scroll_start_us() | ||
| self.zoom /= 2 | ||
| self.__zoom(x) | ||
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| def on_key_press(self, event): | ||
| key = event.GetRawKeyCode() | ||
| if key == ord("+"): | ||
| self.zoom_in() | ||
| return | ||
| if key == ord("-"): | ||
| self.zoom_out() | ||
| return | ||
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| key = event.GetKeyCode() | ||
| (x, y) = self.scroll.GetViewStart() | ||
| if key == wx.WXK_RIGHT: | ||
| self.scroll.Scroll(x + 1, y) | ||
| elif key == wx.WXK_LEFT: | ||
| self.scroll.Scroll(x - 1, y) | ||
| elif key == wx.WXK_DOWN: | ||
| self.scroll.Scroll(x, y + 1) | ||
| elif key == wx.WXK_UP: | ||
| self.scroll.Scroll(x, y - 1) |
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