[lttng-tools.git] / tests / regression / tools / health / test_thread_stall

#!/bin/bash
#
# Copyright (C) - 2012 Christian Babeux <christian.babeux@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.

TEST_DESC="Health check - Thread stall"

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
LTTNG_BIN="lttng"
SESSION_NAME="health_thread_stall"
EVENT_NAME="bogus"
HEALTH_CHECK_BIN="health_check"
SESSIOND_PRELOAD=".libs/libhealthstall.so"
NUM_TESTS=12

source $TESTDIR/utils/utils.sh

print_test_banner "$TEST_DESC"

if [ ! -f "$CURDIR/$SESSIOND_PRELOAD" ]; then
	BAIL_OUT "libhealthstall.so not available for this test."
fi

function test_thread_stall
{
	test_thread_stall_name="$1"
	test_thread_exit_code="$2"

	diag "Test health failure with ${test_thread_stall_name}"

	# Activate testpoints
	export LTTNG_TESTPOINT_ENABLE=1

	# Activate specific thread exit
	export ${test_thread_stall_name}_STALL=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_stall_name}_STALL

	# Check initial health status
	$CURDIR/$HEALTH_CHECK_BIN &> /dev/null

	# 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
		pass "Validate that ${test_thread_stall_name} is stalled"
	else
		fail "Validate that ${test_thread_stall_name} is stalled"
		diag "Health returned: $health_check_exit_code"

		stop_lttng_sessiond
		return 1
	fi

	# Wait
	sleep 40

	# Check health status, exit code should now pass
	$CURDIR/$HEALTH_CHECK_BIN &> /dev/null

	health_check_exit_code=$?

	if [ $health_check_exit_code -eq 0 ]; then
		pass "Validate that ${test_thread_stall_name} is no longer stalled"
		stop_lttng_sessiond
	else
		fail "Validate that ${test_thread_stall_name} is no longer stalled"
		diag "Health returned: $health_check_exit_code\n"
		stop_lttng_sessiond
		return 1
	fi


}

plan_tests $NUM_TESTS

THREAD=("LTTNG_THREAD_MANAGE_CLIENTS"
	"LTTNG_THREAD_MANAGE_APPS"
# This thread is a little bit tricky to stall,
# need to send some commands and setup an app.
#	"LTTNG_THREAD_REG_APPS"
)

# Exit code value to indicate specific thread failure
EXIT_CODE=(1
	   2
#	   4
)

THREAD_COUNT=${#THREAD[@]}
i=0
while [ "$i" -lt "$THREAD_COUNT" ]; do
	test_thread_stall "${THREAD[$i]}" "${EXIT_CODE[$i]}"

	if [ $? -eq 1 ]; then
		exit 1
	fi

	let "i++"
done

# The manage kernel thread is only spawned if we are root
if [ "$(id -u)" == "0" ]; then
	isroot=1
else
	isroot=0
fi

skip $isroot "Root access is needed. Skipping LTTNG_THREAD_MANAGE_KERNEL tests." "3" ||
{
	test_thread_stall "LTTNG_THREAD_MANAGE_KERNEL" "8"
}
Commit	Line	Data
5862a19a CB	1	#!/bin/bash
	2	#
	3	# Copyright (C) - 2012 Christian Babeux <christian.babeux@efficios.com>
	4	#
	5	# This program is free software; you can redistribute it and/or modify it
	6	# under the terms of the GNU General Public License, version 2 only, as
	7	# published by the Free Software Foundation.
	8	#
	9	# This program is distributed in the hope that it will be useful, but WITHOUT
	10	# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	# more details.
	13	#
	14	# You should have received a copy of the GNU General Public License along with
	15	# this program; if not, write to the Free Software Foundation, Inc., 51
	16	# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	17
	18	TEST_DESC="Health check - Thread stall"
	19
	20	CURDIR=$(dirname $0)/
9ac429ef	21	TESTDIR=$CURDIR/../../..
5862a19a CB	22	LTTNG_BIN="lttng"
	23	SESSION_NAME="health_thread_stall"
	24	EVENT_NAME="bogus"
	25	HEALTH_CHECK_BIN="health_check"
	26	SESSIOND_PRELOAD=".libs/libhealthstall.so"
33c820d6	27	NUM_TESTS=12
5862a19a	28
9ac429ef	29	source $TESTDIR/utils/utils.sh
5862a19a CB	30
	31	print_test_banner "$TEST_DESC"
	32
a863986c	33	if [ ! -f "$CURDIR/$SESSIOND_PRELOAD" ]; then
33c820d6	34	BAIL_OUT "libhealthstall.so not available for this test."
5862a19a CB	35	fi
	36
	37	function test_thread_stall
	38	{
	39	test_thread_stall_name="$1"
	40	test_thread_exit_code="$2"
	41
33c820d6	42	diag "Test health failure with ${test_thread_stall_name}"
5862a19a CB	43
	44	# Activate testpoints
	45	export LTTNG_TESTPOINT_ENABLE=1
	46
	47	# Activate specific thread exit
	48	export ${test_thread_stall_name}_STALL=1
	49
	50	# Spawn sessiond with preload healthexit lib
	51	export LD_PRELOAD="$CURDIR/$SESSIOND_PRELOAD"
	52	start_lttng_sessiond
	53
	54	# Cleanup some env. var.
	55	unset LD_PRELOAD
	56	unset ${test_thread_stall_name}_STALL
	57
	58	# Check initial health status
	59	$CURDIR/$HEALTH_CHECK_BIN &> /dev/null
	60
5862a19a CB	61	# Wait
	62	sleep 25
	63
	64	# Check health status, exit code should indicate failure
	65	$CURDIR/$HEALTH_CHECK_BIN &> /dev/null
	66
	67	health_check_exit_code=$?
	68
	69	if [ $health_check_exit_code -eq $test_thread_exit_code ]; then
33c820d6	70	pass "Validate that ${test_thread_stall_name} is stalled"
5862a19a	71	else
33c820d6 CB	72	fail "Validate that ${test_thread_stall_name} is stalled"
33c820d6 CB	73	diag "Health returned: $health_check_exit_code"
5862a19a CB	74
	75	stop_lttng_sessiond
	76	return 1
	77	fi
	78
5862a19a CB	79	# Wait
	80	sleep 40
	81
	82	# Check health status, exit code should now pass
	83	$CURDIR/$HEALTH_CHECK_BIN &> /dev/null
	84
	85	health_check_exit_code=$?
	86
	87	if [ $health_check_exit_code -eq 0 ]; then
33c820d6	88	pass "Validate that ${test_thread_stall_name} is no longer stalled"
5862a19a CB	89	stop_lttng_sessiond
5862a19a CB	90	else
33c820d6 CB	91	fail "Validate that ${test_thread_stall_name} is no longer stalled"
33c820d6 CB	92	diag "Health returned: $health_check_exit_code\n"
5862a19a CB	93	stop_lttng_sessiond
	94	return 1
	95	fi
	96
	97
	98	}
	99
33c820d6 CB	100	plan_tests $NUM_TESTS
33c820d6 CB	101
5862a19a CB	102	THREAD=("LTTNG_THREAD_MANAGE_CLIENTS"
	103	"LTTNG_THREAD_MANAGE_APPS"
	104	# This thread is a little bit tricky to stall,
	105	# need to send some commands and setup an app.
	106	# "LTTNG_THREAD_REG_APPS"
33c820d6	107	)
5862a19a CB	108
	109	# Exit code value to indicate specific thread failure
	110	EXIT_CODE=(1
	111	2
	112	# 4
33c820d6	113	)
5862a19a CB	114
	115	THREAD_COUNT=${#THREAD[@]}
	116	i=0
	117	while [ "$i" -lt "$THREAD_COUNT" ]; do
	118	test_thread_stall "${THREAD[$i]}" "${EXIT_CODE[$i]}"
	119
	120	if [ $? -eq 1 ]; then
	121	exit 1
	122	fi
	123
	124	let "i++"
	125	done
33c820d6 CB	126
	127	# The manage kernel thread is only spawned if we are root
	128	if [ "$(id -u)" == "0" ]; then
	129	isroot=1
	130	else
	131	isroot=0
	132	fi
	133
	134	skip $isroot "Root access is needed. Skipping LTTNG_THREAD_MANAGE_KERNEL tests." "3" \|\|
	135	{
	136	test_thread_stall "LTTNG_THREAD_MANAGE_KERNEL" "8"
	137	}