[lttng-tools.git] / tests / regression / tools / regen-metadata / test_kernel

#!/bin/bash
#
# Copyright (C) - 2015 Julien Desfossez <jdesfossez@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="lttng_test_filter_event"
SESSION_NAME=""

TRACE_PATH=$(mktemp -d)

NUM_TESTS=24

source $TESTDIR/utils/utils.sh

function test_kernel_streaming ()
{
	local metadata_path

	diag "Test kernel streaming with metadata regeneration"
	create_lttng_session_uri $SESSION_NAME net://localhost
	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	start_lttng_tracing_ok $SESSION_NAME
	echo -n "100" > /proc/lttng-test-filter-event

	# Baseline
	stop_lttng_tracing_ok $SESSION_NAME
	validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*

	# Find the metadata file
	metadata_path=$(find "$TRACE_PATH/$HOSTNAME/$SESSION_NAME"* | grep metadata)

	# Empty the metadata file
	echo -n > "$metadata_path"

	start_lttng_tracing_ok $SESSION_NAME
	regenerate_metadata_ok $SESSION_NAME
	stop_lttng_tracing_ok $SESSION_NAME
	# Validate test
	validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	destroy_lttng_session_ok $SESSION_NAME
	rm -rf "$TRACE_PATH"
}

function test_kernel_local ()
{
	local metadata_path

	diag "Test kernel local with metadata regeneration"
	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	start_lttng_tracing_ok $SESSION_NAME

	# Baseline
	echo -n "100" > /proc/lttng-test-filter-event
	stop_lttng_tracing_ok $SESSION_NAME
	validate_trace $EVENT_NAME "$TRACE_PATH"

	# Find the metadata file
	metadata_path=$(find "$TRACE_PATH"* | grep metadata)

	# Empty the metadata file
	echo -n > "$metadata_path"

	start_lttng_tracing_ok $SESSION_NAME
	regenerate_metadata_ok $SESSION_NAME
	stop_lttng_tracing_ok $SESSION_NAME

	validate_trace $EVENT_NAME $TRACE_PATH
	destroy_lttng_session_ok $SESSION_NAME

	rm -rf "$TRACE_PATH"
}

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 ||
{
	validate_lttng_modules_present

	start_lttng_relayd "-o $TRACE_PATH"
	start_lttng_sessiond
	modprobe lttng-test

	tests=( test_kernel_streaming test_kernel_local )

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

	rmmod lttng-test
	stop_lttng_sessiond
	stop_lttng_relayd
}
Commit	Line	Data
	1	#!/bin/bash
	2	#
	3	# Copyright (C) - 2015 Julien Desfossez <jdesfossez@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="lttng_test_filter_event"
	22	SESSION_NAME=""
	23
	24	TRACE_PATH=$(mktemp -d)
	25
	26	NUM_TESTS=24
	27
	28	source $TESTDIR/utils/utils.sh
	29
	30	function test_kernel_streaming ()
	31	{
	32	local metadata_path
	33
	34	diag "Test kernel streaming with metadata regeneration"
	35	create_lttng_session_uri $SESSION_NAME net://localhost
	36	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	37	start_lttng_tracing_ok $SESSION_NAME
	38	echo -n "100" > /proc/lttng-test-filter-event
	39
	40	# Baseline
	41	stop_lttng_tracing_ok $SESSION_NAME
	42	validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	43
	44	# Find the metadata file
	45	metadata_path=$(find "$TRACE_PATH/$HOSTNAME/$SESSION_NAME"* \| grep metadata)
	46
	47	# Empty the metadata file
	48	echo -n > "$metadata_path"
	49
	50	start_lttng_tracing_ok $SESSION_NAME
	51	regenerate_metadata_ok $SESSION_NAME
	52	stop_lttng_tracing_ok $SESSION_NAME
	53	# Validate test
	54	validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	55	destroy_lttng_session_ok $SESSION_NAME
	56	rm -rf "$TRACE_PATH"
	57	}
	58
	59	function test_kernel_local ()
	60	{
	61	local metadata_path
	62
	63	diag "Test kernel local with metadata regeneration"
	64	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	65	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	66	start_lttng_tracing_ok $SESSION_NAME
	67
	68	# Baseline
	69	echo -n "100" > /proc/lttng-test-filter-event
	70	stop_lttng_tracing_ok $SESSION_NAME
	71	validate_trace $EVENT_NAME "$TRACE_PATH"
	72
	73	# Find the metadata file
	74	metadata_path=$(find "$TRACE_PATH"* \| grep metadata)
	75
	76	# Empty the metadata file
	77	echo -n > "$metadata_path"
	78
	79	start_lttng_tracing_ok $SESSION_NAME
	80	regenerate_metadata_ok $SESSION_NAME
	81	stop_lttng_tracing_ok $SESSION_NAME
	82
	83	validate_trace $EVENT_NAME $TRACE_PATH
	84	destroy_lttng_session_ok $SESSION_NAME
	85
	86	rm -rf "$TRACE_PATH"
	87	}
	88
	89	plan_tests $NUM_TESTS
	90
	91	print_test_banner "$TEST_DESC"
	92
	93	if [ "$(id -u)" == "0" ]; then
	94	isroot=1
	95	else
	96	isroot=0
	97	fi
	98
	99	skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS \|\|
	100	{
	101	validate_lttng_modules_present
	102
	103	start_lttng_relayd "-o $TRACE_PATH"
	104	start_lttng_sessiond
	105	modprobe lttng-test
	106
	107	tests=( test_kernel_streaming test_kernel_local )
	108
	109	for fct_test in ${tests[@]};
	110	do
	111	SESSION_NAME=$(randstring 16 0)
	112	${fct_test}
	113	done
	114
	115	rmmod lttng-test
	116	stop_lttng_sessiond
	117	stop_lttng_relayd
	118	}