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tracetool: Add support for the 'dtrace' backend

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Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
This commit is contained in:
Lluís Vilanova 2012-04-03 20:48:12 +02:00 • committed by Stefan Hajnoczi
parent fbc54b9412
commit 52ef093ace
5 changed files with 178 additions and 2 deletions
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32
scripts/tracetool.py
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@ -44,6 +44,11 @@ Options:
--help This help message.
--list-backends Print list of available backends.
--check-backend 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-arch <arch> QEMU emulator target arch.
--probe-prefix <prefix> Prefix for dtrace probe names
(default: qemu-<target-type>-<target-arch>).\
""" % {
"script" : _SCRIPT,
"backends" : backend_descr,
@ -71,6 +76,10 @@ def main(args):
check_backend = False
arg_backend = ""
arg_format = ""
binary = None
target_type = None
target_arch = None
probe_prefix = None
for opt, arg in opts:
if opt == "--help":
error_opt()
@ -87,6 +96,15 @@ def main(args):
elif opt == "--check-backend":
check_backend = True
elif opt == "--binary":
binary = arg
elif opt == '--target-type':
target_type = arg
elif opt == '--target-arch':
target_arch = arg
elif opt == '--probe-prefix':
probe_prefix = arg
else:
error_opt("unhandled option: %s" % opt)
@ -99,8 +117,20 @@ def main(args):
else:
sys.exit(1)
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_arch is None:
error_opt("--target-arch is required for SystemTAP tapset generator")
if probe_prefix is None:
probe_prefix = ".".join([ "qemu", target_type, target_arch ])
try:
tracetool.generate(sys.stdin, arg_format, arg_backend)
tracetool.generate(sys.stdin, arg_format, arg_backend,
binary = binary, probe_prefix = probe_prefix)
except tracetool.TracetoolError as e:
error_opt(str(e))