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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 *
NR_TESTS = 4
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, "lttng_ust_libc*")
start_session(session_info)
malloc_process = subprocess.Popen(
test_path + "prog", stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL
)
malloc_process.wait()
print_test_result(
malloc_process.returncode == 0, current_test, "Test application exited normally"
)
current_test += 1
stop_session(session_info)
# Check for malloc events 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),
session_info,
)
malloc_event_found = False
free_event_found = False
for event_line in babeltrace_process.stdout:
# Let babeltrace finish to get the return code
if malloc_event_found and free_event_found:
continue
event_line = event_line.decode("utf-8").replace("\n", "")
if re.search(r".*lttng_ust_libc:malloc.*", event_line) is not None:
malloc_event_found = True
if re.search(r".*lttng_ust_libc:free.*", event_line) is not None:
free_event_found = True
babeltrace_process.wait()
print_test_result(
babeltrace_process.returncode == 0, current_test, "Resulting trace is readable"
)
current_test += 1
print_test_result(
malloc_event_found,
current_test,
"lttng_ust_libc:malloc event found in resulting trace",
)
current_test += 1
print_test_result(
free_event_found, current_test, "lttng_ust_libc:free event found in resulting trace"
)
current_test += 1
shutil.rmtree(session_info.tmp_directory)
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