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1 | #!/usr/bin/env python3 |
2 | # | |
3 | # SPDX-FileCopyrightText: Kienan Stewart <kstewart@efficios.com> | |
4 | # SPDX-License-Identifier: GPL-2.0-only | |
5 | # | |
6 | ||
7 | """ | |
8 | Test instrumentation coverage of C constructors and destructors by LTTng-UST | |
9 | tracepoints with a dynamic object. | |
10 | ||
11 | This test successively sets up a session, traces a test application, and then | |
12 | reads the resulting trace to determine if all the expected events are present. | |
13 | """ | |
14 | ||
15 | import copy | |
16 | import pathlib | |
17 | import sys | |
18 | ||
19 | # Import in-tree test utils | |
20 | test_utils_import_path = pathlib.Path(__file__).absolute().parents[3] / "utils" | |
21 | sys.path.append(str(test_utils_import_path)) | |
22 | ||
23 | import lttngtest | |
24 | import ust_constructor_common as ust | |
25 | ||
26 | test = { | |
27 | "description": "Test user space constructor/destructor instrumentation coverage (C w/ dynamic object)", | |
28 | "application": "gen-ust-events-constructor/gen-ust-events-c-constructor-so", | |
29 | "expected_events": copy.deepcopy( | |
30 | ust.expected_events_common + ust.expected_events_tp_so | |
31 | ), | |
32 | # This application is not be built when `NO_SHARED` is set in the | |
33 | # configuration options. | |
34 | "skip_if_application_not_present": True, | |
35 | } | |
36 | ||
37 | tap = lttngtest.TapGenerator(7 + len(test["expected_events"])) | |
38 | with lttngtest.test_environment(with_sessiond=True, log=tap.diagnostic) as test_env: | |
39 | try: | |
40 | outputlocation = ust.capture_trace( | |
41 | tap, test_env, test["application"], test["description"] | |
42 | ) | |
43 | except FileNotFoundError as fne: | |
44 | tap.diagnostic(fne) | |
45 | if test["skip_if_application_not_present"]: | |
46 | tap.skip( | |
47 | "Test application '{}' not found".format(test["application"]), | |
48 | tap.remaining_test_cases, | |
49 | ) | |
50 | sys.exit(0) | |
51 | # Warning: validate_trace mutates test['expected_events'] | |
52 | ust.validate_trace(outputlocation.path, tap, test["expected_events"]) | |
53 | ||
54 | ||
55 | sys.exit(0 if tap.is_successful else 1) |