#!/usr/bin/env python3
#
-# Copyright (C) - 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+# Copyright (C) 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License, version 2 only, as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-# more details.
-#
-# You should have received a copy of the GNU General Public License along with
-# this program; if not, write to the Free Software Foundation, Inc., 51
-# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
import os
import subprocess
# 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.")
+ 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_fork*")
start_session(session_info)
-fork_process = subprocess.Popen([test_path + "fork", test_path + "fork2"], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-fork_process.wait()
-
+fork_process = subprocess.Popen(
+ [test_path + "fork", test_path + "fork2"],
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE,
+)
parent_pid = -1
child_pid = -1
for line in fork_process.stdout:
- line = line.decode('utf-8').replace("\n", "")
+ line = line.decode("utf-8").replace("\n", "")
match = re.search(r"child_pid (\d+)", line)
if match:
child_pid = match.group(1)
if match:
parent_pid = match.group(1)
-print_test_result(fork_process.returncode == 0, current_test, "Fork test application exited normally")
+fork_process.wait()
+
+print_test_result(
+ fork_process.returncode == 0, current_test, "Fork test application exited normally"
+)
current_test += 1
stop_session(session_info)
# Check both events (normal exit and suicide messages) are present in the resulting trace
try:
- babeltrace_process = subprocess.Popen(["babeltrace", session_info.trace_path], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ babeltrace_process = subprocess.Popen(
+ [BABELTRACE_BIN, session_info.trace_path],
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE,
+ )
except FileNotFoundError:
- bail("Could not open babeltrace. Please make sure it is installed.", session_info)
+ 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", "")
- if re.search(r"warning", event_line) is not None or re.search(r"error", event_line) is not None:
- print( "# " + event_line )
+ event_line = event_line.decode("utf-8").replace("\n", "")
+ if (
+ re.search(r"warning", event_line) is not None
+ or re.search(r"error", event_line) is not None
+ ):
+ print("# " + event_line)
else:
event_lines.append(event_line)
babeltrace_process.wait()
-print_test_result(babeltrace_process.returncode == 0, current_test, "Resulting trace is readable")
+print_test_result(
+ babeltrace_process.returncode == 0, current_test, "Resulting trace is readable"
+)
current_test += 1
if babeltrace_process.returncode != 0:
continue
if re.search(r"before_fork", event_line):
- event_before_fork = (event_pid == parent_pid)
+ event_before_fork = event_pid == parent_pid
if re.search(r"after_fork_parent", event_line):
- event_after_fork_parent = (event_pid == parent_pid)
+ event_after_fork_parent = event_pid == parent_pid
if re.search(r"after_fork_child", event_line):
- event_after_fork_child = (event_pid == child_pid)
+ event_after_fork_child = event_pid == child_pid
if re.search(r"after_exec", event_line):
- event_after_exec = (event_pid == child_pid)
+ event_after_exec = event_pid == child_pid
-print_test_result(event_before_fork, current_test, "before_fork event logged by parent process found in trace")
+print_test_result(
+ event_before_fork,
+ current_test,
+ "before_fork event logged by parent process found in trace",
+)
current_test += 1
-print_test_result(event_after_fork_parent, current_test, "after_fork_parent event logged by parent process found in trace")
+print_test_result(
+ event_after_fork_parent,
+ current_test,
+ "after_fork_parent event logged by parent process found in trace",
+)
current_test += 1
-print_test_result(event_after_fork_child, current_test, "after_fork_child event logged by child process found in trace")
+print_test_result(
+ event_after_fork_child,
+ current_test,
+ "after_fork_child event logged by child process found in trace",
+)
current_test += 1
-print_test_result(event_after_exec, current_test, "after_exec event logged by child process found in trace")
+print_test_result(
+ event_after_exec,
+ current_test,
+ "after_exec event logged by child process found in trace",
+)
current_test += 1
shutil.rmtree(session_info.tmp_directory)
projects / lttng-tools.git / blobdiff