qemu/scripts/tracetool.py

2 # -*- coding: utf-8 -*-
5 Command-line wrapper for the tracetool machinery.
9 __copyright__  = "Copyright 2012-2014, Lluís Vilanova <vilanova@ac.upc.edu>"
30     backend_descr = "\n".join([ "    %-15s %s" % (n, d)
32     format_descr = "\n".join([ "    %-15s %s" % (n, d)
35 Usage: %(script)s --format=<format> --backends=<backends> [<options>] <trace-events> ... <output>
44     --help                   This help message.
45     --list-backends          Print list of available backends.
46     --check-backends         Check if the given backend is valid.
47     --binary <path>          Full path to QEMU binary (required for 'stap' backend).
48     --group <name>           Name of the event group.
49     --probe-prefix <prefix>  Prefix for dtrace probe names (required for 'stap' backend).
65     long_opts = ["backends=", "format=", "help", "list-backends",
66                  "check-backends", "group="]
67     long_opts += ["binary=", "probe-prefix="]
81         if opt == "--help":
84         elif opt == "--backends":
86         elif opt == "--group":
88         elif opt == "--format":
91         elif opt == "--list-backends":
95         elif opt == "--check-backends":
98         elif opt == "--binary":
100         elif opt == '--probe-prefix':
120             error_opt("--binary is required for SystemTAP tapset generator")
122             error_opt("--probe-prefix is required for SystemTAP tapset generator")
125         error_opt("missing trace-events and output filepaths")
127     for arg in args[:-1]:
131     out_open(args[-1])