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#!/usr/bin/env python3
#
# SPDX-FileCopyrightText: 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
#
# SPDX-License-Identifier: GPL-2.0-only
import os
import subprocess
import re
import shutil
import sys
test_path = os.path.dirname(os.path.abspath(__file__)) + "/"
test_utils_path = test_path
for i in range(4):
test_utils_path = os.path.dirname(test_utils_path)
test_utils_path = test_utils_path + "/utils"
sys.path.append(test_utils_path)
from test_utils import *
normal_exit_message = "exit-fast tracepoint normal exit"
suicide_exit_message = "exit-fast tracepoint suicide"
NR_TESTS = 5
current_test = 1
print("1..{0}".format(NR_TESTS))
# Check if a sessiond is running... bail out if none found.
if session_daemon_alive() == 0:
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.'
)
session_info = create_session()
enable_ust_tracepoint_event(session_info, "ust_tests_exitfast*")
start_session(session_info)
test_env = os.environ.copy()
test_env["LTTNG_UST_REGISTER_TIMEOUT"] = "-1"
exit_fast_process = subprocess.Popen(
test_path + "exit-fast",
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
env=test_env,
)
exit_fast_process.wait()
print_test_result(
exit_fast_process.returncode == 0, current_test, "Test application exited normally"
)
current_test += 1
exit_fast_process = subprocess.Popen(
[test_path + "exit-fast", "suicide"],
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
env=test_env,
)
exit_fast_process.wait()
stop_session(session_info)
# Check both events (normal exit and suicide messages) are present in the resulting trace
try:
babeltrace_process = subprocess.Popen(
[BABELTRACE_BIN, session_info.trace_path],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
except FileNotFoundError:
bail("Could not open {}. Please make sure it is installed.".format(BABELTRACE_BIN))
event_lines = []
for event_line in babeltrace_process.stdout:
event_line = event_line.decode("utf-8").replace("\n", "")
event_lines.append(event_line)
babeltrace_process.wait()
print_test_result(
babeltrace_process.returncode == 0, current_test, "Resulting trace is readable"
)
current_test += 1
if babeltrace_process.returncode != 0:
bail("Unreadable trace; can't proceed with analysis.")
print_test_result(
len(event_lines) == 2,
current_test,
"Correct number of events found in resulting trace",
)
current_test += 1
if len(event_lines) != 2:
bail(
"Unexpected number of events found in resulting trace ("
+ session_info.trace_path
+ ")."
)
match = re.search(r".*message = \"(.*)\"", event_lines[0])
print_test_result(
match is not None and match.group(1) == normal_exit_message,
current_test,
"Tracepoint message generated during normal exit run is present in trace and has the expected value",
)
current_test += 1
match = re.search(r".*message = \"(.*)\"", event_lines[1])
print_test_result(
match is not None and match.group(1) == suicide_exit_message,
current_test,
"Tracepoint message generated during suicide run is present in trace and has the expected value",
)
current_test += 1
shutil.rmtree(session_info.tmp_directory)
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