tracetool: Add support for the 'dtrace' backend
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
diff --git a/scripts/tracetool.py b/scripts/tracetool.py
index fe2ea34..cacfd99 100755
--- a/scripts/tracetool.py
+++ b/scripts/tracetool.py
@@ -44,6 +44,11 @@
--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 @@
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 @@
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 @@
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))
