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5836cdc2 JG |
1 | #!/usr/bin/env python3 |
2 | # | |
3 | # Copyright (C) - 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
4 | # | |
5 | # This program is free software; you can redistribute it and/or modify it | |
6 | # under the terms of the GNU General Public License, version 2 only, as | |
7 | # published by the Free Software Foundation. | |
8 | # | |
9 | # This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | # more details. | |
13 | # | |
14 | # You should have received a copy of the GNU General Public License along with | |
15 | # this program; if not, write to the Free Software Foundation, Inc., 51 | |
16 | # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
17 | ||
18 | import os | |
19 | import subprocess | |
20 | import re | |
21 | import shutil | |
22 | import sys | |
23 | ||
24 | test_path = os.path.dirname(os.path.abspath(__file__)) + "/" | |
25 | test_utils_path = test_path | |
26 | for i in range(4): | |
27 | test_utils_path = os.path.dirname(test_utils_path) | |
28 | test_utils_path = test_utils_path + "/utils" | |
29 | sys.path.append(test_utils_path) | |
30 | from test_utils import * | |
31 | ||
32 | ||
33 | NR_TESTS = 4 | |
34 | current_test = 1 | |
35 | print("1..{0}".format(NR_TESTS)) | |
36 | ||
37 | # Check if a sessiond is running... bail out if none found. | |
38 | if session_daemon_alive() == 0: | |
39 | bail("No sessiond running. Please make sure you are running this test with the \"run\" shell script and verify that the lttng tools are properly installed.") | |
40 | ||
41 | session_info = create_session() | |
42 | enable_ust_tracepoint_event(session_info, "ust_libc*") | |
43 | start_session(session_info) | |
44 | ||
45 | malloc_process = subprocess.Popen(test_path + "prog", stdout=subprocess.PIPE, stderr=subprocess.PIPE) | |
46 | if sys.version_info >= (3, 3): | |
47 | try: | |
48 | malloc_process.wait(5) | |
49 | except TimeoutExpired: | |
50 | malloc_process.kill() | |
51 | bail("Failed to run libustinstr-malloc test application.", session_info) | |
52 | else: | |
53 | malloc_process.wait() | |
54 | ||
55 | print_test_result(malloc_process.returncode == 0, current_test, "Test application exited normally") | |
56 | current_test += 1 | |
57 | ||
58 | stop_session(session_info) | |
59 | ||
60 | # Check for malloc events in the resulting trace | |
61 | try: | |
62 | babeltrace_process = subprocess.Popen(["babeltrace", session_info.trace_path], stdout=subprocess.PIPE, stderr=subprocess.PIPE) | |
63 | except FileNotFoundError: | |
64 | bail("Could not open babeltrace. Please make sure it is installed.", session_info) | |
65 | ||
66 | malloc_event_found = False | |
67 | free_event_found = False | |
68 | ||
69 | for event_line in babeltrace_process.stdout: | |
70 | # Let babeltrace finish to get the return code | |
71 | if malloc_event_found and free_event_found: | |
72 | continue | |
73 | ||
74 | event_line = event_line.decode('utf-8').replace("\n", "") | |
75 | if re.search(r".*ust_libc:malloc.*", event_line) is not None: | |
76 | malloc_event_found = True | |
77 | ||
78 | if re.search(r".*ust_libc:free.*", event_line) is not None: | |
79 | free_event_found = True | |
80 | ||
81 | babeltrace_process.wait() | |
82 | ||
83 | print_test_result(babeltrace_process.returncode == 0, current_test, "Resulting trace is readable") | |
84 | current_test += 1 | |
85 | ||
86 | print_test_result(free_event_found, current_test, "ust_libc:malloc event found in resulting trace") | |
87 | current_test += 1 | |
88 | ||
89 | print_test_result(free_event_found, current_test, "ust_libc:free event found in resulting trace") | |
90 | current_test += 1 | |
91 | ||
92 | shutil.rmtree(session_info.tmp_directory) |