Commit | Line | Data |
---|---|---|
43c28d50 JG |
1 | #!/usr/bin/env python3 |
2 | # | |
9d16b343 | 3 | # Copyright (C) 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
43c28d50 | 4 | # |
9d16b343 | 5 | # SPDX-License-Identifier: GPL-2.0-only |
43c28d50 JG |
6 | |
7 | import uuid | |
8 | import os | |
9 | import subprocess | |
10 | import re | |
11 | import shutil | |
12 | import sys | |
13 | ||
14 | test_path = os.path.dirname(os.path.abspath(__file__)) + "/" | |
15 | test_utils_path = test_path | |
16 | for i in range(4): | |
17 | test_utils_path = os.path.dirname(test_utils_path) | |
18 | test_utils_path = test_utils_path + "/utils" | |
19 | sys.path.append(test_utils_path) | |
20 | from test_utils import * | |
21 | ||
22 | ||
23 | NR_TESTS = 6 | |
24 | current_test = 1 | |
25 | print("1..{0}".format(NR_TESTS)) | |
26 | ||
27 | # Check if a sessiond is running... bail out if none found. | |
28 | if session_daemon_alive() == 0: | |
29 | 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.") | |
30 | ||
31 | session_info = create_session() | |
32 | enable_ust_tracepoint_event(session_info, "*") | |
33 | start_session(session_info) | |
34 | ||
e47784ba JG |
35 | |
36 | parent_pid = None | |
37 | daemon_pid = None | |
43c28d50 | 38 | daemon_process = subprocess.Popen(test_path + "daemon", stdout=subprocess.PIPE) |
e47784ba JG |
39 | for line in daemon_process.stdout: |
40 | name, pid = line.decode('utf-8').split() | |
41 | if name == "child_pid": | |
42 | daemon_pid = int(pid) | |
43 | if name == "parent_pid": | |
44 | parent_pid = int(pid) | |
45 | ||
b6e2447a | 46 | daemon_process_return_code = daemon_process.wait() |
43c28d50 | 47 | |
e47784ba JG |
48 | if parent_pid is None or daemon_pid is None: |
49 | bail("Unexpected output received from daemon test executable." + str(daemon_process_output)) | |
43c28d50 JG |
50 | |
51 | print_test_result(daemon_process_return_code == 0, current_test, "Successful call to daemon() and normal exit") | |
52 | current_test += 1 | |
53 | ||
54 | if daemon_process_return_code != 0: | |
e47784ba | 55 | bail("Could not trigger tracepoints successfully. Abandoning test.") |
43c28d50 JG |
56 | |
57 | stop_session(session_info) | |
58 | ||
43c28d50 | 59 | try: |
c125de8f | 60 | babeltrace_process = subprocess.Popen([BABELTRACE_BIN, session_info.trace_path], stdout=subprocess.PIPE) |
43c28d50 | 61 | except FileNotFoundError: |
c125de8f | 62 | bail("Could not open {}. Please make sure it is installed.".format(BABELTRACE_BIN)) |
43c28d50 JG |
63 | |
64 | before_daemon_event_found = False | |
65 | before_daemon_event_pid = -1 | |
66 | after_daemon_event_found = False | |
67 | after_daemon_event_pid = -1 | |
68 | ||
69 | for event_line in babeltrace_process.stdout: | |
70 | event_line = event_line.decode('utf-8').replace("\n", "") | |
71 | ||
72 | if re.search(r"before_daemon", event_line) is not None: | |
73 | if before_daemon_event_found: | |
74 | bail("Multiple instances of the before_daemon event found. Please make sure only one instance of this test is runnning.") | |
75 | before_daemon_event_found = True | |
76 | match = re.search(r"(?<=pid = )\d+", event_line) | |
77 | ||
78 | if match is not None: | |
e47784ba | 79 | before_daemon_event_pid = int(match.group(0)) |
43c28d50 JG |
80 | |
81 | if re.search(r"after_daemon", event_line) is not None: | |
82 | if after_daemon_event_found: | |
83 | bail("Multiple instances of the after_daemon event found. Please make sure only one instance of this test is runnning.") | |
84 | after_daemon_event_found = True | |
85 | match = re.search(r"(?<=pid = )\d+", event_line) | |
86 | ||
87 | if match is not None: | |
e47784ba | 88 | after_daemon_event_pid = int(match.group(0)) |
43c28d50 JG |
89 | babeltrace_process.wait() |
90 | ||
91 | print_test_result(babeltrace_process.returncode == 0, current_test, "Resulting trace is readable") | |
92 | current_test += 1 | |
93 | ||
94 | if babeltrace_process.returncode != 0: | |
95 | bail("Unreadable trace; can't proceed with analysis.") | |
96 | ||
97 | print_test_result(before_daemon_event_found, current_test, "before_daemon event found in resulting trace") | |
98 | current_test += 1 | |
99 | print_test_result(before_daemon_event_pid == parent_pid, current_test, "Parent pid reported in trace is correct") | |
100 | current_test += 1 | |
101 | print_test_result(before_daemon_event_found, current_test, "after_daemon event found in resulting trace") | |
102 | current_test += 1 | |
103 | print_test_result(after_daemon_event_pid == daemon_pid, current_test, "Daemon pid reported in trace is correct") | |
104 | current_test += 1 | |
105 | ||
106 | shutil.rmtree(session_info.tmp_directory) |