| 1 | #!/usr/bin/env python3 |
| 2 | # |
| 3 | # Copyright (C) 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 4 | # |
| 5 | # SPDX-License-Identifier: GPL-2.0-only |
| 6 | |
| 7 | import os |
| 8 | import subprocess |
| 9 | import re |
| 10 | import shutil |
| 11 | import sys |
| 12 | |
| 13 | test_path = os.path.dirname(os.path.abspath(__file__)) + "/" |
| 14 | test_utils_path = test_path |
| 15 | for i in range(4): |
| 16 | test_utils_path = os.path.dirname(test_utils_path) |
| 17 | test_utils_path = test_utils_path + "/utils" |
| 18 | sys.path.append(test_utils_path) |
| 19 | from test_utils import * |
| 20 | |
| 21 | |
| 22 | normal_exit_message = "exit-fast tracepoint normal exit" |
| 23 | suicide_exit_message = "exit-fast tracepoint suicide" |
| 24 | NR_TESTS = 5 |
| 25 | current_test = 1 |
| 26 | print("1..{0}".format(NR_TESTS)) |
| 27 | |
| 28 | # Check if a sessiond is running... bail out if none found. |
| 29 | if session_daemon_alive() == 0: |
| 30 | bail( |
| 31 | '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.' |
| 32 | ) |
| 33 | |
| 34 | session_info = create_session() |
| 35 | enable_ust_tracepoint_event(session_info, "ust_tests_exitfast*") |
| 36 | start_session(session_info) |
| 37 | |
| 38 | test_env = os.environ.copy() |
| 39 | test_env["LTTNG_UST_REGISTER_TIMEOUT"] = "-1" |
| 40 | |
| 41 | exit_fast_process = subprocess.Popen( |
| 42 | test_path + "exit-fast", |
| 43 | stdout=subprocess.DEVNULL, |
| 44 | stderr=subprocess.DEVNULL, |
| 45 | env=test_env, |
| 46 | ) |
| 47 | exit_fast_process.wait() |
| 48 | |
| 49 | print_test_result( |
| 50 | exit_fast_process.returncode == 0, current_test, "Test application exited normally" |
| 51 | ) |
| 52 | current_test += 1 |
| 53 | |
| 54 | exit_fast_process = subprocess.Popen( |
| 55 | [test_path + "exit-fast", "suicide"], |
| 56 | stdout=subprocess.DEVNULL, |
| 57 | stderr=subprocess.DEVNULL, |
| 58 | env=test_env, |
| 59 | ) |
| 60 | exit_fast_process.wait() |
| 61 | |
| 62 | stop_session(session_info) |
| 63 | |
| 64 | # Check both events (normal exit and suicide messages) are present in the resulting trace |
| 65 | try: |
| 66 | babeltrace_process = subprocess.Popen( |
| 67 | [BABELTRACE_BIN, session_info.trace_path], |
| 68 | stdout=subprocess.PIPE, |
| 69 | stderr=subprocess.PIPE, |
| 70 | ) |
| 71 | except FileNotFoundError: |
| 72 | bail("Could not open {}. Please make sure it is installed.".format(BABELTRACE_BIN)) |
| 73 | |
| 74 | event_lines = [] |
| 75 | for event_line in babeltrace_process.stdout: |
| 76 | event_line = event_line.decode("utf-8").replace("\n", "") |
| 77 | event_lines.append(event_line) |
| 78 | babeltrace_process.wait() |
| 79 | |
| 80 | print_test_result( |
| 81 | babeltrace_process.returncode == 0, current_test, "Resulting trace is readable" |
| 82 | ) |
| 83 | current_test += 1 |
| 84 | |
| 85 | if babeltrace_process.returncode != 0: |
| 86 | bail("Unreadable trace; can't proceed with analysis.") |
| 87 | |
| 88 | print_test_result( |
| 89 | len(event_lines) == 2, |
| 90 | current_test, |
| 91 | "Correct number of events found in resulting trace", |
| 92 | ) |
| 93 | current_test += 1 |
| 94 | |
| 95 | if len(event_lines) != 2: |
| 96 | bail( |
| 97 | "Unexpected number of events found in resulting trace (" |
| 98 | + session_info.trace_path |
| 99 | + ")." |
| 100 | ) |
| 101 | |
| 102 | match = re.search(r".*message = \"(.*)\"", event_lines[0]) |
| 103 | print_test_result( |
| 104 | match is not None and match.group(1) == normal_exit_message, |
| 105 | current_test, |
| 106 | "Tracepoint message generated during normal exit run is present in trace and has the expected value", |
| 107 | ) |
| 108 | current_test += 1 |
| 109 | |
| 110 | match = re.search(r".*message = \"(.*)\"", event_lines[1]) |
| 111 | print_test_result( |
| 112 | match is not None and match.group(1) == suicide_exit_message, |
| 113 | current_test, |
| 114 | "Tracepoint message generated during suicide run is present in trace and has the expected value", |
| 115 | ) |
| 116 | current_test += 1 |
| 117 | |
| 118 | shutil.rmtree(session_info.tmp_directory) |