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-rwxr-xr-xqemu/scripts/tracetool.py139
1 files changed, 139 insertions, 0 deletions
diff --git a/qemu/scripts/tracetool.py b/qemu/scripts/tracetool.py
new file mode 100755
index 000000000..83bde7bda
--- /dev/null
+++ b/qemu/scripts/tracetool.py
@@ -0,0 +1,139 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+Command-line wrapper for the tracetool machinery.
+"""
+
+__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>"
+__copyright__ = "Copyright 2012-2014, Lluís Vilanova <vilanova@ac.upc.edu>"
+__license__ = "GPL version 2 or (at your option) any later version"
+
+__maintainer__ = "Stefan Hajnoczi"
+__email__ = "stefanha@linux.vnet.ibm.com"
+
+
+import sys
+import getopt
+
+from tracetool import error_write, out
+import tracetool.backend
+import tracetool.format
+
+
+_SCRIPT = ""
+
+def error_opt(msg = None):
+ if msg is not None:
+ error_write("Error: " + msg + "\n")
+
+ backend_descr = "\n".join([ " %-15s %s" % (n, d)
+ for n,d in tracetool.backend.get_list() ])
+ format_descr = "\n".join([ " %-15s %s" % (n, d)
+ for n,d in tracetool.format.get_list() ])
+ error_write("""\
+Usage: %(script)s --format=<format> --backends=<backends> [<options>]
+
+Backends:
+%(backends)s
+
+Formats:
+%(formats)s
+
+Options:
+ --help This help message.
+ --list-backends Print list of available backends.
+ --check-backends Check if the given backend is valid.
+ --binary <path> Full path to QEMU binary.
+ --target-type <type> QEMU emulator target type ('system' or 'user').
+ --target-name <name> QEMU emulator target name.
+ --probe-prefix <prefix> Prefix for dtrace probe names
+ (default: qemu-<target-type>-<target-name>).\
+""" % {
+ "script" : _SCRIPT,
+ "backends" : backend_descr,
+ "formats" : format_descr,
+ })
+
+ if msg is None:
+ sys.exit(0)
+ else:
+ sys.exit(1)
+
+
+def main(args):
+ global _SCRIPT
+ _SCRIPT = args[0]
+
+ long_opts = ["backends=", "format=", "help", "list-backends",
+ "check-backends"]
+ long_opts += ["binary=", "target-type=", "target-name=", "probe-prefix="]
+
+ try:
+ opts, args = getopt.getopt(args[1:], "", long_opts)
+ except getopt.GetoptError, err:
+ error_opt(str(err))
+
+ check_backends = False
+ arg_backends = []
+ arg_format = ""
+ binary = None
+ target_type = None
+ target_name = None
+ probe_prefix = None
+ for opt, arg in opts:
+ if opt == "--help":
+ error_opt()
+
+ elif opt == "--backends":
+ arg_backends = arg.split(",")
+ elif opt == "--format":
+ arg_format = arg
+
+ elif opt == "--list-backends":
+ public_backends = tracetool.backend.get_list(only_public = True)
+ out(", ".join([ b for b,_ in public_backends ]))
+ sys.exit(0)
+ elif opt == "--check-backends":
+ check_backends = True
+
+ elif opt == "--binary":
+ binary = arg
+ elif opt == '--target-type':
+ target_type = arg
+ elif opt == '--target-name':
+ target_name = arg
+ elif opt == '--probe-prefix':
+ probe_prefix = arg
+
+ else:
+ error_opt("unhandled option: %s" % opt)
+
+ if len(arg_backends) == 0:
+ error_opt("no backends specified")
+
+ if check_backends:
+ for backend in arg_backends:
+ if not tracetool.backend.exists(backend):
+ sys.exit(1)
+ sys.exit(0)
+
+ if arg_format == "stap":
+ if binary is None:
+ error_opt("--binary is required for SystemTAP tapset generator")
+ if probe_prefix is None and target_type is None:
+ error_opt("--target-type is required for SystemTAP tapset generator")
+ if probe_prefix is None and target_name is None:
+ error_opt("--target-name is required for SystemTAP tapset generator")
+
+ if probe_prefix is None:
+ probe_prefix = ".".join(["qemu", target_type, target_name])
+
+ try:
+ tracetool.generate(sys.stdin, arg_format, arg_backends,
+ binary=binary, probe_prefix=probe_prefix)
+ except tracetool.TracetoolError, e:
+ error_opt(str(e))
+
+if __name__ == "__main__":
+ main(sys.argv)