From mboxrd@z Thu Jan 1 00:00:00 1970 From: christian.babeux@efficios.com (Christian Babeux) Date: Tue, 2 Oct 2012 14:01:16 -0400 Subject: [lttng-dev] [PATCH lttng-tools 3/5] Tests: Add health check thread exit test In-Reply-To: <1348770199-1618-3-git-send-email-christian.babeux@efficios.com> References: <1348770199-1618-1-git-send-email-christian.babeux@efficios.com> <1348770199-1618-3-git-send-email-christian.babeux@efficios.com> Message-ID: Hi, Please disregard this patch because it's missing the env_val declaration. A v2 will soon follow. Thank you, Christian On Thu, Sep 27, 2012 at 2:23 PM, Christian Babeux wrote: > This test trigger a failure in a specified thread using the > recently introduced testpoint mechanism. The testpoints behavior > is implemented in health_exit.c. The testpoint code simply calls > pthread_exit(3) and effectively "kill" the thread without affecting > the other threads behavior. > > The test select the thread to be "killed" by enabling a specific > environment variable. > > With this test we ensure that each thread can be succesfully terminated > and that the health check feature properly detect a failure. > > Signed-off-by: Christian Babeux > --- > tests/tools/health/Makefile.am | 6 ++ > tests/tools/health/health_exit.c | 80 ++++++++++++++++++++++++++ > tests/tools/health/health_thread_exit | 105 ++++++++++++++++++++++++++++++++++ > 3 files changed, 191 insertions(+) > create mode 100644 tests/tools/health/health_exit.c > create mode 100755 tests/tools/health/health_thread_exit > > diff --git a/tests/tools/health/Makefile.am b/tests/tools/health/Makefile.am > index 09573db..0a3f6c5 100644 > --- a/tests/tools/health/Makefile.am > +++ b/tests/tools/health/Makefile.am > @@ -10,6 +10,12 @@ endif > > UTILS= > > +lib_LTLIBRARIES=libhealthexit.la > + > +# Health thread exit ld_preloaded test lib > +libhealthexit_la_SOURCES=health_exit.c > +libhealthexit_la_LDFLAGS= -module > + > noinst_PROGRAMS = health_check > > health_check_SOURCES = health_check.c $(UTILS) > diff --git a/tests/tools/health/health_exit.c b/tests/tools/health/health_exit.c > new file mode 100644 > index 0000000..c2382f2 > --- /dev/null > +++ b/tests/tools/health/health_exit.c > @@ -0,0 +1,80 @@ > +/* > + * Copyright (C) 2012 - Christian Babeux > + * > + * 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. > + */ > + > +#include > +#include > +#include > + > +/* > + * Check if the specified environment variable is set. > + * Return 1 if set, otherwise 0. > + */ > +int check_env_var(const char *env) > +{ > + if (env) { > + if (getenv(env) != NULL && (strncmp(env_val, "1", 1) == 0)) { > + return 1; > + } > + } > + > + return 0; > +} > + > +void __testpoint_thread_manage_clients(void) > +{ > + const char *var = "LTTNG_THREAD_MANAGE_CLIENTS_EXIT"; > + > + if (check_env_var(var)) { > + pthread_exit(NULL); > + } > +} > + > +void __testpoint_thread_registration_apps(void) > +{ > + const char *var = "LTTNG_THREAD_REG_APPS_EXIT"; > + > + if (check_env_var(var)) { > + pthread_exit(NULL); > + } > +} > + > +void __testpoint_thread_manage_apps(void) > +{ > + const char *var = "LTTNG_THREAD_MANAGE_APPS_EXIT"; > + > + if (check_env_var(var)) { > + pthread_exit(NULL); > + } > +} > + > +void __testpoint_thread_manage_kernel(void) > +{ > + const char *var = "LTTNG_THREAD_MANAGE_KERNEL_EXIT"; > + > + if (check_env_var(var)) { > + pthread_exit(NULL); > + } > +} > + > +void __testpoint_thread_manage_consumer(void) > +{ > + const char *var = "LTTNG_THREAD_MANAGE_CONSUMER_EXIT"; > + > + if (check_env_var(var)) { > + pthread_exit(NULL); > + } > +} > diff --git a/tests/tools/health/health_thread_exit b/tests/tools/health/health_thread_exit > new file mode 100755 > index 0000000..dab6b64 > --- /dev/null > +++ b/tests/tools/health/health_thread_exit > @@ -0,0 +1,105 @@ > +#!/bin/bash > +# > +# Copyright (C) - 2012 Christian Babeux > +# > +# 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. > + > +TEST_DESC="Health check - Thread exit" > + > +CURDIR=$(dirname $0)/ > +TESTDIR=$CURDIR/../.. > +LTTNG_BIN="lttng" > +SESSION_NAME="health_thread_exit" > +EVENT_NAME="bogus" > +HEALTH_CHECK_BIN="health_check" > +SESSIOND_PRELOAD=".libs/libhealthexit.so" > + > +source $TESTDIR/utils.sh > + > +print_test_banner "$TEST_DESC" > + > +if [ ! -f "$SESSIOND_PRELOAD" ]; then > + echo -e "libhealthexit.so not available for this test. Skipping." > + exit 0 > +fi > + > +function test_thread_exit > +{ > + test_thread_exit_name="$1" > + test_thread_exit_code="$2" > + > + echo "" > + echo -e "=== Testing health failure with ${test_thread_exit_name}" > + > + # Activate testpoints > + export LTTNG_TESTPOINT_ENABLE=1 > + > + # Activate specific thread exit > + export ${test_thread_exit_name}_EXIT=1 > + > + # Spawn sessiond with preload healthexit lib > + export LD_PRELOAD="$CURDIR/$SESSIOND_PRELOAD" > + start_lttng_sessiond > + > + # Cleanup some env. var. > + unset LD_PRELOAD > + unset ${test_thread_exit_name}_EXIT > + > + # Check initial health status > + $CURDIR/$HEALTH_CHECK_BIN &> /dev/null > + > + echo -n "Validating thread ${test_thread_exit_name} failure... " > + > + # Wait > + sleep 25 > + > + # Check health status, exit code should indicate failure > + $CURDIR/$HEALTH_CHECK_BIN &> /dev/null > + > + health_check_exit_code=$? > + > + if [ $health_check_exit_code -eq $test_thread_exit_code ]; then > + print_ok > + stop_lttng_sessiond > + else > + print_fail > + echo -e "Health returned: $health_check_exit_code\n" > + > + stop_lttng_sessiond > + return 1 > + fi > +} > + > +THREAD=("LTTNG_THREAD_MANAGE_CLIENTS" > + "LTTNG_THREAD_MANAGE_APPS" > + "LTTNG_THREAD_REG_APPS" > + "LTTNG_THREAD_MANAGE_KERNEL") > + > +# Exit code value to indicate specific thread failure > +EXIT_CODE=(1 2 4 8) > + > +THREAD_COUNT=${#THREAD[@]} > +i=0 > +while [ "$i" -lt "$THREAD_COUNT" ]; do > + test_thread_exit "${THREAD[$i]}" "${EXIT_CODE[$i]}" > + > + if [ $? -eq 1 ]; then > + exit 1 > + fi > + > + let "i++" > +done > + > +# Special case manage consumer, need to spawn consumer via commands. > +#"LTTNG_THREAD_MANAGE_CONSUMER" > -- > 1.7.12 >