src/systemd-analyze

   1 #!/usr/bin/python
   2
   3 import dbus, sys
   4
   5 def acquire_time_data():
   6
   7         manager = dbus.Interface(bus.get_object('org.freedesktop.systemd1', '/org/freedesktop/systemd1'), 'org.freedesktop.systemd1.Manager')
   8         units = manager.ListUnits()
   9
  10         l = []
  11
  12         for i in units:
  13                 properties = dbus.Interface(bus.get_object('org.freedesktop.systemd1', i[6]), 'org.freedesktop.DBus.Properties')
  14
  15                 ixt = int(properties.Get('org.freedesktop.systemd1.Unit', 'InactiveExitTimestamp'))
  16                 aet = int(properties.Get('org.freedesktop.systemd1.Unit', 'ActiveEnterTimestamp'))
  17                 axt = int(properties.Get('org.freedesktop.systemd1.Unit', 'ActiveExitTimestamp'))
  18                 iet = int(properties.Get('org.freedesktop.systemd1.Unit', 'InactiveEnterTimestamp'))
  19
  20                 l.append((str(i[0]), ixt, aet, axt, iet))
  21
  22         return l
  23
  24 def acquire_start_time():
  25         properties = dbus.Interface(bus.get_object('org.freedesktop.systemd1', '/org/freedesktop/systemd1'), 'org.freedesktop.DBus.Properties')
  26
  27         startup_time = int(properties.Get('org.freedesktop.systemd1.Manager', 'StartupTimestamp'))
  28         finish_time = int(properties.Get('org.freedesktop.systemd1.Manager', 'FinishTimestamp'))
  29
  30         assert startup_time <= finish_time
  31
  32         return startup_time, finish_time
  33
  34 def draw_box(context, j, k, l, m, r = 0, g = 0, b = 0):
  35         context.save()
  36         context.set_source_rgb(r, g, b)
  37         context.rectangle(j, k, l, m)
  38         context.fill()
  39         context.restore()
  40
  41 def draw_text(context, x, y, text, size = 12, r = 0, g = 0, b = 0, center = True):
  42         context.save()
  43
  44         context.set_source_rgb(r, g, b)
  45         context.select_font_face("Sans", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_NORMAL)
  46         context.set_font_size(size)
  47
  48         if center:
  49                 x_bearing, y_bearing, width, height = context.text_extents(text)[:4]
  50 #                context.move_to(x - width / 2 - x_bearing, y - height / 2 - y_bearing)
  51                 context.move_to(x, y - height / 2 - y_bearing)
  52         else:
  53                 context.move_to(x, y)
  54         context.show_text(text)
  55
  56         context.restore()
  57
  58 bus = dbus.SystemBus()
  59
  60 if len(sys.argv) <= 1 or sys.argv[1] == 'blame':
  61
  62         data = acquire_time_data()
  63         s = sorted(data, key = lambda i: i[2] - i[1], reverse = True)
  64
  65         for name, ixt, aet, axt, iet in s:
  66
  67                 if ixt <= 0 or aet <= 0:
  68                         continue
  69
  70                 if aet <= ixt:
  71                         continue
  72
  73                 sys.stdout.write("%6lums %s\n" % ((aet - ixt) / 1000, name))
  74
  75 elif sys.argv[1] == 'plot':
  76         import cairo
  77
  78         start_time, finish_time = acquire_start_time()
  79         data = acquire_time_data()
  80         s = sorted(data, key = lambda i: i[1])
  81
  82         # 1000px = 10s, 1px = 10ms
  83         border = 100
  84         width = (finish_time - start_time)/10000 + border*2
  85         height = 3000
  86
  87         bar_height = 20
  88         bar_space = bar_height * 0.1
  89
  90         surface = cairo.SVGSurface(sys.stdout, width, height)
  91         context = cairo.Context(surface)
  92
  93         draw_box(context, 0, 0, width, height, 1, 1, 1)
  94
  95         context.translate(border + 0.5, border + 0.5)
  96
  97         context.save()
  98         context.set_line_width(1)
  99         context.set_source_rgb(0.7, 0.7, 0.7)
 100
 101         for x in range(0, (finish_time - start_time)/10000, 100):
 102                 context.move_to(x, 0)
 103                 context.line_to(x, height-border*2)
 104
 105         context.move_to(0, 0)
 106         context.line_to(width-border*2, 0)
 107
 108         context.move_to(0, height-border*2)
 109         context.line_to(width-border*2, height-border*2)
 110
 111         context.stroke()
 112         context.restore()
 113
 114         for x in range(0, (finish_time - start_time)/10000, 100):
 115                 draw_text(context, x, -5, "%lus" % (x/100), center = False)
 116
 117         y = 0
 118
 119         for name, ixt, aet, axt, iet in s:
 120
 121                 drawn = False
 122                 left = -1
 123
 124                 if ixt >= start_time and aet > ixt:
 125
 126                         # Activating
 127                         a = ixt - start_time
 128                         b = aet - ixt
 129                         draw_box(context, a/10000, y, b/10000, bar_height, 1, 0, 0)
 130                         drawn = True
 131
 132                         if left < 0:
 133                                 left = a
 134
 135                 if aet >= start_time and axt > aet:
 136
 137                         # Active
 138                         a = aet - start_time
 139                         b = axt - aet
 140                         draw_box(context, a/10000, y, b/10000, bar_height, .7, .5, .5)
 141                         drawn = True
 142
 143                         if left < 0:
 144                                 left = a
 145
 146                 if axt >= start_time and iet > axt:
 147
 148                         # Deactivating
 149                         a = axt - start_time
 150                         b = iet - axt
 151                         draw_box(context, a/10000, y, b/10000, bar_height, .6, .4, .4)
 152                         drawn = True
 153
 154                         if left < 0:
 155                                 left = a
 156
 157                 if drawn:
 158                         draw_text(context, left/10000 + 10, y + bar_height/2, name)
 159
 160                         y += bar_height + bar_space
 161
 162         surface.finish()
 163
 164 else:
 165         sys.stderr.write("Unknown verb '%s'.\n" % sys.argv[1])