295 lines
11 KiB
Python
Executable File
295 lines
11 KiB
Python
Executable File
#!/usr/bin/python
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import sys, os
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import argparse
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from gi.repository import Gio
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try:
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import cairo
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except ImportError:
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cairo = None
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def acquire_time_data():
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manager = Gio.DBusProxy.new_for_bus_sync(bus, Gio.DBusProxyFlags.NONE,
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None, 'org.freedesktop.systemd1', '/org/freedesktop/systemd1', 'org.freedesktop.systemd1.Manager', None)
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units = manager.ListUnits()
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l = []
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for i in units:
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if i[5] != "":
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continue
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properties = Gio.DBusProxy.new_for_bus_sync(bus, Gio.DBusProxyFlags.NONE,
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None, 'org.freedesktop.systemd1', i[6], 'org.freedesktop.DBus.Properties', None)
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ixt = properties.Get('(ss)', 'org.freedesktop.systemd1.Unit', 'InactiveExitTimestampMonotonic')
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aet = properties.Get('(ss)', 'org.freedesktop.systemd1.Unit', 'ActiveEnterTimestampMonotonic')
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axt = properties.Get('(ss)', 'org.freedesktop.systemd1.Unit', 'ActiveExitTimestampMonotonic')
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iet = properties.Get('(ss)', 'org.freedesktop.systemd1.Unit', 'InactiveEnterTimestampMonotonic')
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l.append((str(i[0]), ixt, aet, axt, iet))
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return l
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def acquire_start_time():
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properties = Gio.DBusProxy.new_for_bus_sync(bus, Gio.DBusProxyFlags.NONE,
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None, 'org.freedesktop.systemd1', '/org/freedesktop/systemd1', 'org.freedesktop.DBus.Properties', None)
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initrd_time = properties.Get('(ss)', 'org.freedesktop.systemd1.Manager', 'InitRDTimestampMonotonic')
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userspace_time = properties.Get('(ss)', 'org.freedesktop.systemd1.Manager', 'UserspaceTimestampMonotonic')
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finish_time = properties.Get('(ss)', 'org.freedesktop.systemd1.Manager', 'FinishTimestampMonotonic')
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if finish_time == 0:
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sys.stderr.write("Bootup is not yet finished. Please try again later.\n")
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sys.exit(1)
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assert initrd_time <= userspace_time
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assert userspace_time <= finish_time
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return initrd_time, userspace_time, finish_time
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def draw_box(context, j, k, l, m, r = 0, g = 0, b = 0):
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context.save()
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context.set_source_rgb(r, g, b)
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context.rectangle(j, k, l, m)
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context.fill()
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context.restore()
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def draw_text(context, x, y, text, size = 12, r = 0, g = 0, b = 0, vcenter = 0.5, hcenter = 0.5):
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context.save()
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context.set_source_rgb(r, g, b)
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context.select_font_face("Sans", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_NORMAL)
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context.set_font_size(size)
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if vcenter or hcenter:
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x_bearing, y_bearing, width, height = context.text_extents(text)[:4]
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if hcenter:
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x = x - width*hcenter - x_bearing
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if vcenter:
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y = y - height*vcenter - y_bearing
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context.move_to(x, y)
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context.show_text(text)
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context.restore()
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def time():
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initrd_time, start_time, finish_time = acquire_start_time()
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if initrd_time > 0:
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sys.stdout.write("Startup finished in %lums (kernel) + %lums (initramfs) + %lums (userspace) = %lums\n" % ( \
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initrd_time/1000, \
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(start_time - initrd_time)/1000, \
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(finish_time - start_time)/1000, \
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finish_time/1000))
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else:
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sys.stdout.write("Startup finished in %lums (kernel) + %lums (userspace) = %lums\n" % ( \
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start_time/1000, \
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(finish_time - start_time)/1000, \
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finish_time/1000))
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def blame():
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data = acquire_time_data()
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s = sorted(data, key = lambda i: i[2] - i[1], reverse = True)
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for name, ixt, aet, axt, iet in s:
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if ixt <= 0 or aet <= 0:
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continue
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if aet <= ixt:
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continue
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sys.stdout.write("%6lums %s\n" % ((aet - ixt) / 1000, name))
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def plot():
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if cairo is None:
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sys.stderr.write("Failed to initilize python-cairo required for 'plot' verb.\n")
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sys.exit(1)
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initrd_time, start_time, finish_time = acquire_start_time()
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data = acquire_time_data()
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s = sorted(data, key = lambda i: i[1])
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# Account for kernel and initramfs bars if they exist
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if initrd_time > 0:
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count = 3
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else:
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count = 2
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for name, ixt, aet, axt, iet in s:
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if (ixt >= start_time and ixt <= finish_time) or \
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(aet >= start_time and aet <= finish_time) or \
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(axt >= start_time and axt <= finish_time):
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count += 1
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border = 100
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bar_height = 20
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bar_space = bar_height * 0.1
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# 1000px = 10s, 1px = 10ms
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width = finish_time/10000 + border*2
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height = count * (bar_height + bar_space) + border * 2
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if width < 1000:
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width = 1000
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surface = cairo.SVGSurface(sys.stdout, width, height)
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context = cairo.Context(surface)
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draw_box(context, 0, 0, width, height, 1, 1, 1)
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context.translate(border + 0.5, border + 0.5)
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context.save()
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context.set_line_width(1)
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context.set_source_rgb(0.7, 0.7, 0.7)
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for x in range(0, int(finish_time/10000) + 100, 100):
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context.move_to(x, 0)
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context.line_to(x, height-border*2)
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context.move_to(0, 0)
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context.line_to(width-border*2, 0)
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context.move_to(0, height-border*2)
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context.line_to(width-border*2, height-border*2)
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context.stroke()
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context.restore()
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osrel = "Linux"
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if os.path.exists("/etc/os-release"):
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for line in open("/etc/os-release"):
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if line.startswith('PRETTY_NAME='):
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osrel = line[12:]
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osrel = osrel.strip('\"\n')
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break
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banner = "{} {} ({} {}) {}".format(osrel, *(os.uname()[1:5]))
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draw_text(context, 0, -15, banner, hcenter = 0, vcenter = 1)
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for x in range(0, int(finish_time/10000) + 100, 100):
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draw_text(context, x, -5, "%lus" % (x/100), vcenter = 0, hcenter = 0)
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y = 0
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# draw boxes for kernel and initramfs boot time
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if initrd_time > 0:
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draw_box(context, 0, y, initrd_time/10000, bar_height, 0.7, 0.7, 0.7)
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draw_text(context, 10, y + bar_height/2, "kernel", hcenter = 0)
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y += bar_height + bar_space
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draw_box(context, initrd_time/10000, y, start_time/10000-initrd_time/10000, bar_height, 0.7, 0.7, 0.7)
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draw_text(context, initrd_time/10000 + 10, y + bar_height/2, "initramfs", hcenter = 0)
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y += bar_height + bar_space
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else:
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draw_box(context, 0, y, start_time/10000, bar_height, 0.6, 0.6, 0.6)
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draw_text(context, 10, y + bar_height/2, "kernel", hcenter = 0)
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y += bar_height + bar_space
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draw_box(context, start_time/10000, y, finish_time/10000-start_time/10000, bar_height, 0.7, 0.7, 0.7)
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draw_text(context, start_time/10000 + 10, y + bar_height/2, "userspace", hcenter = 0)
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y += bar_height + bar_space
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for name, ixt, aet, axt, iet in s:
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drawn = False
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left = -1
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if ixt >= start_time and ixt <= finish_time:
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# Activating
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a = ixt
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b = min(filter(lambda x: x >= ixt, (aet, axt, iet, finish_time))) - ixt
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draw_box(context, a/10000, y, b/10000, bar_height, 1, 0, 0)
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drawn = True
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if left < 0:
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left = a
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if aet >= start_time and aet <= finish_time:
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# Active
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a = aet
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b = min(filter(lambda x: x >= aet, (axt, iet, finish_time))) - aet
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draw_box(context, a/10000, y, b/10000, bar_height, .8, .6, .6)
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drawn = True
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if left < 0:
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left = a
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if axt >= start_time and axt <= finish_time:
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# Deactivating
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a = axt
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b = min(filter(lambda x: x >= axt, (iet, finish_time))) - axt
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draw_box(context, a/10000, y, b/10000, bar_height, .6, .4, .4)
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drawn = True
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if left < 0:
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left = a
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if drawn:
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x = left/10000
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if x < width/2-border:
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draw_text(context, x + 10, y + bar_height/2, name, hcenter = 0)
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else:
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draw_text(context, x - 10, y + bar_height/2, name, hcenter = 1)
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y += bar_height + bar_space
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draw_text(context, 0, height-border*2, "Legend: Red = Activating; Pink = Active; Dark Pink = Deactivating", hcenter = 0, vcenter = -1)
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if initrd_time > 0:
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draw_text(context, 0, height-border*2 + bar_height, "Startup finished in %lums (kernel) + %lums (initramfs) + %lums (userspace) = %lums" % ( \
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initrd_time/1000, \
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(start_time - initrd_time)/1000, \
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(finish_time - start_time)/1000, \
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finish_time/1000), hcenter = 0, vcenter = -1)
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else:
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draw_text(context, 0, height-border*2 + bar_height, "Startup finished in %lums (kernel) + %lums (userspace) = %lums" % ( \
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start_time/1000, \
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(finish_time - start_time)/1000, \
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finish_time/1000), hcenter = 0, vcenter = -1)
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surface.finish()
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parser = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter,
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description='Process systemd profiling information',
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epilog='''\
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time - print time spent in the kernel before reaching userspace
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blame - print list of running units ordered by time to init
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plot - output SVG graphic showing service initialization
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''')
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parser.add_argument('action', choices=('time', 'blame', 'plot'),
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default='time', nargs='?',
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help='action to perform (default: time)')
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parser.add_argument('--user', action='store_true',
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help='use the session bus')
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args = parser.parse_args()
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if args.user:
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bus = Gio.BusType.SESSION
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else:
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bus = Gio.BusType.SYSTEM
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verb = {'time' : time,
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'blame': blame,
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'plot' : plot,
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}
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verb.get(args.action)()
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