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tracetool: remove redundant --target-type / --target-name args

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The --target-type and --target-name args are used to construct
the default probe prefix if '--probe-prefix' is not given. The
meson.build will always pass '--probe-prefix', so the other args
are effectively redundant.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20240108171356.1037059-2-berrange@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2024-01-08 17:13:55 +00:00 • committed by Stefan Hajnoczi
parent 8f3f329f5e
commit 081340d1dd
3 changed files with 6 additions and 23 deletions
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24
scripts/tracetool.py
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@ -44,12 +44,9 @@ 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.
--group <name> Name of the event group
--probe-prefix <prefix> Prefix for dtrace probe names
(default: qemu-<target-type>-<target-name>).\
--binary <path> Full path to QEMU binary (required for 'stap' backend).
--group <name> Name of the event group.
--probe-prefix <prefix> Prefix for dtrace probe names (required for 'stap' backend).
""" % {
"script" : _SCRIPT,
"backends" : backend_descr,
@ -67,7 +64,7 @@ def main(args):
long_opts = ["backends=", "format=", "help", "list-backends",
"check-backends", "group="]
long_opts += ["binary=", "target-type=", "target-name=", "probe-prefix="]
long_opts += ["binary=", "probe-prefix="]
try:
opts, args = getopt.getopt(args[1:], "", long_opts)
@ -79,8 +76,6 @@ def main(args):
arg_format = ""
arg_group = None
binary = None
target_type = None
target_name = None
probe_prefix = None
for opt, arg in opts:
if opt == "--help":
@ -102,10 +97,6 @@ def main(args):
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
@ -127,13 +118,8 @@ def main(args):
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])
error_opt("--probe-prefix is required for SystemTAP tapset generator")
if len(args) < 2:
error_opt("missing trace-events and output filepaths")