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#!/usr/bin/python
import dbus, sys
def acquire_time_data():
manager = dbus.Interface(bus.get_object('org.freedesktop.systemd1', '/org/freedesktop/systemd1'), 'org.freedesktop.systemd1.Manager')
units = manager.ListUnits()
l = []
for i in units:
properties = dbus.Interface(bus.get_object('org.freedesktop.systemd1', i[6]), 'org.freedesktop.DBus.Properties')
ixt = int(properties.Get('org.freedesktop.systemd1.Unit', 'InactiveExitTimestamp'))
aet = int(properties.Get('org.freedesktop.systemd1.Unit', 'ActiveEnterTimestamp'))
axt = int(properties.Get('org.freedesktop.systemd1.Unit', 'ActiveExitTimestamp'))
iet = int(properties.Get('org.freedesktop.systemd1.Unit', 'InactiveEnterTimestamp'))
l.append((str(i[0]), ixt, aet, axt, iet))
return l
def acquire_start_time():
properties = dbus.Interface(bus.get_object('org.freedesktop.systemd1', '/org/freedesktop/systemd1'), 'org.freedesktop.DBus.Properties')
startup_time = int(properties.Get('org.freedesktop.systemd1.Manager', 'StartupTimestamp'))
finish_time = int(properties.Get('org.freedesktop.systemd1.Manager', 'FinishTimestamp'))
assert startup_time <= finish_time
return startup_time, finish_time
def draw_box(context, j, k, l, m, r = 0, g = 0, b = 0):
context.save()
context.set_source_rgb(r, g, b)
context.rectangle(j, k, l, m)
context.fill()
context.restore()
def draw_text(context, x, y, text, size = 12, r = 0, g = 0, b = 0, center = True):
context.save()
context.set_source_rgb(r, g, b)
context.select_font_face("Sans", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_NORMAL)
context.set_font_size(size)
if center:
x_bearing, y_bearing, width, height = context.text_extents(text)[:4]
# context.move_to(x - width / 2 - x_bearing, y - height / 2 - y_bearing)
context.move_to(x, y - height / 2 - y_bearing)
else:
context.move_to(x, y)
context.show_text(text)
context.restore()
bus = dbus.SystemBus()
if len(sys.argv) <= 1 or sys.argv[1] == 'blame':
data = acquire_time_data()
s = sorted(data, key = lambda i: i[2] - i[1], reverse = True)
for name, ixt, aet, axt, iet in s:
if ixt <= 0 or aet <= 0:
continue
if aet <= ixt:
continue
sys.stdout.write("%6lums %s\n" % ((aet - ixt) / 1000, name))
elif sys.argv[1] == 'plot':
import cairo
start_time, finish_time = acquire_start_time()
data = acquire_time_data()
s = sorted(data, key = lambda i: i[1])
# 1000px = 10s, 1px = 10ms
border = 100
width = (finish_time - start_time)/10000 + border*2
height = 3000
bar_height = 20
bar_space = bar_height * 0.1
surface = cairo.SVGSurface(sys.stdout, width, height)
context = cairo.Context(surface)
draw_box(context, 0, 0, width, height, 1, 1, 1)
context.translate(border + 0.5, border + 0.5)
context.save()
context.set_line_width(1)
context.set_source_rgb(0.7, 0.7, 0.7)
for x in range(0, (finish_time - start_time)/10000, 100):
context.move_to(x, 0)
context.line_to(x, height-border*2)
context.move_to(0, 0)
context.line_to(width-border*2, 0)
context.move_to(0, height-border*2)
context.line_to(width-border*2, height-border*2)
context.stroke()
context.restore()
for x in range(0, (finish_time - start_time)/10000, 100):
draw_text(context, x, -5, "%lus" % (x/100), center = False)
y = 0
for name, ixt, aet, axt, iet in s:
drawn = False
left = -1
if ixt >= start_time and aet > ixt:
# Activating
a = ixt - start_time
b = aet - ixt
draw_box(context, a/10000, y, b/10000, bar_height, 1, 0, 0)
drawn = True
if left < 0:
left = a
if aet >= start_time and axt > aet:
# Active
a = aet - start_time
b = axt - aet
draw_box(context, a/10000, y, b/10000, bar_height, .7, .5, .5)
drawn = True
if left < 0:
left = a
if axt >= start_time and iet > axt:
# Deactivating
a = axt - start_time
b = iet - axt
draw_box(context, a/10000, y, b/10000, bar_height, .6, .4, .4)
drawn = True
if left < 0:
left = a
if drawn:
draw_text(context, left/10000 + 10, y + bar_height/2, name)
y += bar_height + bar_space
surface.finish()
else:
sys.stderr.write("Unknown verb '%s'.\n" % sys.argv[1])
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