From: Jérémie Galarneau Date: Tue, 26 Mar 2013 00:28:33 +0000 (-0400) Subject: Tests: Add "exit-fast" ust regression test X-Git-Tag: v2.2.0-rc1~20 X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=ee28adfb4b4f5a6b24f4d23024ed256af37060c6;p=lttng-tools.git Tests: Add "exit-fast" ust regression test Based on the "exit-fast" test formerly part of lttng-ust. Signed-off-by: Jérémie Galarneau Signed-off-by: David Goulet --- diff --git a/.gitignore b/.gitignore index 5ea488e26..4c186d2e4 100644 --- a/.gitignore +++ b/.gitignore @@ -68,5 +68,6 @@ tests/regression/ust/linking/demo_builtin tests/regression/ust/linking/demo_static tests/regression/ust/linking/demo tests/regression/ust/daemon/daemon +tests/regression/ust/exit-fast/exit-fast benchmark/ diff --git a/configure.ac b/configure.ac index 109e4fcb5..88d8a33af 100644 --- a/configure.ac +++ b/configure.ac @@ -334,6 +334,7 @@ AC_CONFIG_FILES([ tests/regression/ust/overlap/demo/Makefile tests/regression/ust/linking/Makefile tests/regression/ust/daemon/Makefile + tests/regression/ust/exit-fast/Makefile tests/unit/Makefile tests/utils/Makefile tests/utils/tap/Makefile diff --git a/tests/fast_regression b/tests/fast_regression index 394dbfdd2..e5886615b 100644 --- a/tests/fast_regression +++ b/tests/fast_regression @@ -14,3 +14,4 @@ regression/ust/test_event_basic regression/ust/test_event_wildcard regression/ust/linking/test_linking regression/ust/daemon/test_daemon +regression/ust/exit-fast/test_exit-fast diff --git a/tests/long_regression b/tests/long_regression index 11872706c..a81d094cd 100644 --- a/tests/long_regression +++ b/tests/long_regression @@ -16,3 +16,4 @@ regression/ust/test_event_basic regression/ust/test_event_wildcard regression/ust/linking/test_linking regression/ust/daemon/test_daemon +regression/ust/exit-fast/test_exit-fast diff --git a/tests/regression/ust/Makefile.am b/tests/regression/ust/Makefile.am index 2dd6fe9b4..1631ba66c 100644 --- a/tests/regression/ust/Makefile.am +++ b/tests/regression/ust/Makefile.am @@ -1,6 +1,6 @@ if HAVE_LIBLTTNG_UST_CTL SUBDIRS = nprocesses high-throughput low-throughput before-after multi-session \ - overlap buffers-uid linking daemon + overlap buffers-uid linking daemon exit-fast EXTRA_DIST = test_event_basic test_event_wildcard diff --git a/tests/regression/ust/exit-fast/Makefile.am b/tests/regression/ust/exit-fast/Makefile.am new file mode 100644 index 000000000..ff47cd9de --- /dev/null +++ b/tests/regression/ust/exit-fast/Makefile.am @@ -0,0 +1,15 @@ +AM_CPPFLAGS = -I$(srcdir) + +noinst_PROGRAMS = exit-fast +exit_fast_SOURCES = exit-fast.c ust_tests_exitfast.h +exit_fast_LDADD = -llttng-ust + +if LTTNG_TOOLS_BUILD_WITH_LIBDL +exit_fast_LDADD += -ldl +endif +if LTTNG_TOOLS_BUILD_WITH_LIBC_DL +exit_fast_LDADD += -lc +endif + +noinst_SCRIPTS = test_exit-fast test_exit-fast.py +EXTRA_DIST = test_exit-fast test_exit-fast.py diff --git a/tests/regression/ust/exit-fast/README b/tests/regression/ust/exit-fast/README new file mode 100644 index 000000000..87340dd3e --- /dev/null +++ b/tests/regression/ust/exit-fast/README @@ -0,0 +1,23 @@ +exit-fast tracing test +------------------- + +This test verifies that tracing works correctly when the traced process exits +right after an event is logged. + +DESCRIPTION +----------- + +This test launches a process that logs an event and returns directly after. +It then launches it again in a mode that will trigger a SIGKILL right after +the tracepoint is executed. The resulting trace is then checked for errors. + +The events must be present in the trace and contain the appropriate test string. + +DEPENDENCIES +------------ + +To run this test, you will need: + + - lttng-tools (with python bindings) + - babeltrace + - python 3.0 or better diff --git a/tests/regression/ust/exit-fast/exit-fast.c b/tests/regression/ust/exit-fast/exit-fast.c new file mode 100644 index 000000000..86426569b --- /dev/null +++ b/tests/regression/ust/exit-fast/exit-fast.c @@ -0,0 +1,47 @@ +/* Copyright (C) 2011 Nils Carlson + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* This test generates a single event and exits. + */ + +#include +#include +#include +#include + +#define TRACEPOINT_DEFINE +#define TRACEPOINT_CREATE_PROBES +#include "ust_tests_exitfast.h" + +int main(int argc, char *argv[]) +{ + int suicide = 0; + char normal_exit_text[] = "exit-fast tracepoint normal exit"; + char suicide_exit_text[] = "exit-fast tracepoint suicide"; + + if (argc > 1 && !strcmp(argv[1], "suicide")) { + suicide = 1; + } + + if (suicide) { + tracepoint(ust_tests_exitfast, message, suicide_exit_text); + kill(getpid(), SIGKILL); + } + + tracepoint(ust_tests_exitfast, message, normal_exit_text); + return 0; +} diff --git a/tests/regression/ust/exit-fast/test_exit-fast b/tests/regression/ust/exit-fast/test_exit-fast new file mode 100755 index 000000000..e8a0bd637 --- /dev/null +++ b/tests/regression/ust/exit-fast/test_exit-fast @@ -0,0 +1,35 @@ +#!/bin/sh +# +# Copyright (C) - 2013 Jérémie Galarneau +# +# 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. + +# Check for a running sessiond +`pidof lt-lttng-sessiond` +STOP_SESSIOND=$? + +CURDIR=$(dirname $0) +TESTDIR=${CURDIR}/../../.. + +# Try to launch a sessiond before invoking the python test script +if [ $STOP_SESSIOND -ne 0 ]; then + DIR=$(readlink -f ${TESTDIR}) + ${DIR}/../src/bin/lttng-sessiond/lttng-sessiond --daemonize --quiet --consumerd32-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" +fi + +python3 ${CURDIR}/test_exit-fast.py + +if [ $STOP_SESSIOND -ne 0 ]; then + kill `pidof lt-lttng-sessiond` +fi diff --git a/tests/regression/ust/exit-fast/test_exit-fast.py b/tests/regression/ust/exit-fast/test_exit-fast.py new file mode 100644 index 000000000..71ae7d33e --- /dev/null +++ b/tests/regression/ust/exit-fast/test_exit-fast.py @@ -0,0 +1,111 @@ +#!/usr/bin/env python3 +# +# Copyright (C) - 2013 Jérémie Galarneau +# +# 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. + +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.PIPE, stderr=subprocess.PIPE, env=test_env) + +if sys.version_info >= (3, 3): + try: + exit_fast_process.wait(5) + except TimeoutExpired: + exit_fast_process.kill() + bail("Failed to run exit-fast test application.") +else: + 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.PIPE, stderr=subprocess.PIPE, env=test_env) + +if sys.version_info >= (3, 3): + try: + exit_fast_process.wait(5) + except TimeoutExpired: + exit_fast_process.kill() + bail("Failed to run exit-fast test application in suicide mode.") +else: + 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", session_info.trace_path], stdout=subprocess.PIPE, stderr=subprocess.PIPE) +except FileNotFoundError: + bail("Could not open babeltrace. Please make sure it is installed.") + +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) diff --git a/tests/regression/ust/exit-fast/ust_tests_exitfast.h b/tests/regression/ust/exit-fast/ust_tests_exitfast.h new file mode 100644 index 000000000..71d81f793 --- /dev/null +++ b/tests/regression/ust/exit-fast/ust_tests_exitfast.h @@ -0,0 +1,52 @@ +/* + * Copyright (C) 2011-2012 Mathieu Desnoyers + * Copyright (C) 2011-2012 Matthew Khouzam + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER ust_tests_exitfast + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#if !defined(_TRACEPOINT_UST_TESTS_EXITFAST_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define _TRACEPOINT_UST_TESTS_EXITFAST_H + +#include + +TRACEPOINT_EVENT(ust_tests_exitfast, message, + TP_ARGS(char *, text), + TP_FIELDS(ctf_string(message, text)) +) + +TRACEPOINT_LOGLEVEL(ust_tests_exitfast, message, TRACE_INFO) + +#endif /* _TRACEPOINT_UST_TESTS_EXITFAST_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./ust_tests_exitfast.h" + +#include + +#ifdef __cplusplus +} +#endif /* __cplusplus */