[lttng-tools.git] / tests / regression / tools / streaming / test_kernel

#!/bin/bash
#
# Copyright (C) - 2012 David Goulet <dgoulet@efficios.com>
#
# 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; version 2.1 of the License.
#
# 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
TEST_DESC="Streaming - Kernel tracing"

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
EVENT_NAME="sched_switch"
PID_RELAYD=0
SESSION_NAME=""

TRACE_PATH=$(mktemp -d)

NUM_TESTS=10

source $TESTDIR/utils/utils.sh

# LTTng kernel modules check
out=`ls /lib/modules/$(uname -r)/extra | grep lttng`
if [ -z "$out" ]; then
	BAIL_OUT "LTTng modules not detected."
fi

function lttng_create_session_uri
{
	# Create session with default path
	$TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME -U net://localhost >/dev/null 2>&1

	ok $? "Create session $SESSION_NAME"
}

function test_kernel_before_start ()
{
	diag "Test kernel streaming with event enable BEFORE start"
	lttng_create_session_uri
	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	start_lttng_tracing $SESSION_NAME
	# Give a second
	sleep 1
	stop_lttng_tracing $SESSION_NAME
	destroy_lttng_session $SESSION_NAME

	# We can not predict _yet_ when the trace is available so we have to do a
	# arbitratry sleep to validate the trace.
	diag "Wait 3 seconds for the trace to be written on disk"
	for i in `seq 1 3`; do
		sleep 1
	done
}

# Deactivated since this feature is not yet available where we can enable
# an event AFTERE tracing has started.
function test_kernel_after_start ()
{
	diag "Test kernel streaming with event enable AFTER start"
	lttng_create_session_uri
	start_lttng_tracing $SESSION_NAME
	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	# Give a second
	sleep 1
	stop_lttng_tracing $SESSION_NAME
	destroy_lttng_session $SESSION_NAME
}

plan_tests $NUM_TESTS

print_test_banner "$TEST_DESC"

if [ "$(id -u)" == "0" ]; then
	isroot=1
else
	isroot=0
fi

skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
{
	start_lttng_relayd "-o $TRACE_PATH"
	start_lttng_sessiond

	tests=( test_kernel_before_start )

	for fct_test in ${tests[@]};
	do
		SESSION_NAME=$(randstring 16 0)
		${fct_test}

		# Validate test
		validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
		if [ $? -eq 0 ]; then
			# Only delete if successful
			rm -rf $TRACE_PATH
		else
			break
		fi
	done

	stop_lttng_sessiond
	stop_lttng_relayd
}
Commit	Line	Data
	1	#!/bin/bash
	2	#
	3	# Copyright (C) - 2012 David Goulet <dgoulet@efficios.com>
	4	#
	5	# This library is free software; you can redistribute it and/or modify it under
	6	# the terms of the GNU Lesser General Public License as published by the Free
	7	# Software Foundation; version 2.1 of the License.
	8	#
	9	# This library is distributed in the hope that it will be useful, but WITHOUT
	10	# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
	11	# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
	12	# details.
	13	#
	14	# You should have received a copy of the GNU Lesser General Public License
	15	# along with this library; if not, write to the Free Software Foundation, Inc.,
	16	# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	17	TEST_DESC="Streaming - Kernel tracing"
	18
	19	CURDIR=$(dirname $0)/
	20	TESTDIR=$CURDIR/../../..
	21	EVENT_NAME="sched_switch"
	22	PID_RELAYD=0
	23	SESSION_NAME=""
	24
	25	TRACE_PATH=$(mktemp -d)
	26
	27	NUM_TESTS=10
	28
	29	source $TESTDIR/utils/utils.sh
	30
	31	# LTTng kernel modules check
	32	out=`ls /lib/modules/$(uname -r)/extra \| grep lttng`
	33	if [ -z "$out" ]; then
	34	BAIL_OUT "LTTng modules not detected."
	35	fi
	36
	37	function lttng_create_session_uri
	38	{
	39	# Create session with default path
	40	$TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME -U net://localhost >/dev/null 2>&1
	41
	42	ok $? "Create session $SESSION_NAME"
	43	}
	44
	45	function test_kernel_before_start ()
	46	{
	47	diag "Test kernel streaming with event enable BEFORE start"
	48	lttng_create_session_uri
	49	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	50	start_lttng_tracing $SESSION_NAME
	51	# Give a second
	52	sleep 1
	53	stop_lttng_tracing $SESSION_NAME
	54	destroy_lttng_session $SESSION_NAME
	55
	56	# We can not predict _yet_ when the trace is available so we have to do a
	57	# arbitratry sleep to validate the trace.
	58	diag "Wait 3 seconds for the trace to be written on disk"
	59	for i in `seq 1 3`; do
	60	sleep 1
	61	done
	62	}
	63
	64	# Deactivated since this feature is not yet available where we can enable
	65	# an event AFTERE tracing has started.
	66	function test_kernel_after_start ()
	67	{
	68	diag "Test kernel streaming with event enable AFTER start"
	69	lttng_create_session_uri
	70	start_lttng_tracing $SESSION_NAME
	71	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	72	# Give a second
	73	sleep 1
	74	stop_lttng_tracing $SESSION_NAME
	75	destroy_lttng_session $SESSION_NAME
	76	}
	77
	78	plan_tests $NUM_TESTS
	79
	80	print_test_banner "$TEST_DESC"
	81
	82	if [ "$(id -u)" == "0" ]; then
	83	isroot=1
	84	else
	85	isroot=0
	86	fi
	87
	88	skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS \|\|
	89	{
	90	start_lttng_relayd "-o $TRACE_PATH"
	91	start_lttng_sessiond
	92
	93	tests=( test_kernel_before_start )
	94
	95	for fct_test in ${tests[@]};
	96	do
	97	SESSION_NAME=$(randstring 16 0)
	98	${fct_test}
	99
	100	# Validate test
	101	validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	102	if [ $? -eq 0 ]; then
	103	# Only delete if successful
	104	rm -rf $TRACE_PATH
	105	else
	106	break
	107	fi
	108	done
	109
	110	stop_lttng_sessiond
	111	stop_lttng_relayd
	112	}