diff options
| -rwxr-xr-x | src/analyze/systemd-analyze | 60 |
1 files changed, 21 insertions, 39 deletions
diff --git a/src/analyze/systemd-analyze b/src/analyze/systemd-analyze index 87a83ddb81..88699d6728 100755 --- a/src/analyze/systemd-analyze +++ b/src/analyze/systemd-analyze @@ -1,6 +1,7 @@ #!/usr/bin/python -import getopt, sys, os +import sys, os +import argparse from gi.repository import Gio try: import cairo @@ -75,20 +76,6 @@ def draw_text(context, x, y, text, size = 12, r = 0, g = 0, b = 0, vcenter = 0.5 context.restore() -def usage(): - sys.stdout.write("""systemd-analyze [--user] time -systemd-analyze [--user] blame -systemd-analyze [--user] plot - -Process systemd profiling information - - -h --help Show this help -""") - -def help(): - usage() - sys.exit() - def time(): initrd_time, start_time, finish_time = acquire_start_time() @@ -279,34 +266,29 @@ def plot(): surface.finish() -def unknown_verb(): - sys.stderr.write("Unknown verb '%s'.\n" % args[0]) - usage() - sys.exit(1) +parser = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter, + description='Process systemd profiling information', + epilog='''\ +time - print time spent in the kernel before reaching userspace +blame - print list of running units ordered by time to init +plot - output SVG graphic showing service initialization +''') -bus = Gio.BusType.SYSTEM +parser.add_argument('action', choices=('time', 'blame', 'plot'), + default='time', nargs='?', + help='action to perform (default: time)') +parser.add_argument('--user', action='store_true', + help='use the session bus') -try: - opts, args = getopt.gnu_getopt(sys.argv[1:], "h", ["help", "user"]) -except getopt.GetoptError as err: - sys.stdout.write(str(err) + "\n") - usage() - sys.exit(2) -for o, a in opts: - if o in ("-h", "--help"): - help() - elif o == '--user': - bus = Gio.BusType.SESSION - else: - assert False, "unhandled option" +args = parser.parse_args() + +if args.user: + bus = Gio.BusType.SESSION +else: + bus = Gio.BusType.SYSTEM verb = {'time' : time, 'blame': blame, 'plot' : plot, - 'help' : help, } - -if len(args) == 0: - time() -else: - verb.get(args[0], unknown_verb)() +verb.get(args.action)() |