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

#!/bin/bash
#
# Copyright (C) - 2019 Jonathan Rajotte-Julien <jonathan.rajotte-julien@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="Clear - Kernel tracing"

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
EVENT_NAME="lttng_test_filter_event"

TRACE_PATH=$(mktemp -d)

NUM_TESTS=55

source $TESTDIR/utils/utils.sh

function clean_path ()
{
	local trace_path=$1
	set -u
	rm -rf $trace_path/*
	set +u
}

function test_kernel_streaming ()
{
	diag "Test kernel streaming clear"
	create_lttng_session_uri $SESSION_NAME net://localhost
	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	start_lttng_tracing_ok $SESSION_NAME
	# TODO: place holder, support for streaming MUST be implemented
	# This validate that for now we fail correctly
	lttng_clear_session_fail $SESSION_NAME

	destroy_lttng_session_ok $SESSION_NAME
}

function test_kernel_streaming_live ()
{
	diag "Test kernel streaming live clear"
	create_lttng_session_uri $SESSION_NAME net://localhost "--live"
	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	start_lttng_tracing_ok $SESSION_NAME
	# TODO: place holder, support for streaming MUST be implemented
	# This validate that for now we fail correctly
	lttng_clear_session_fail $SESSION_NAME

	destroy_lttng_session_ok $SESSION_NAME
}

function test_kernel_local ()
{
	diag "Test kernel local"
	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	start_lttng_tracing_ok $SESSION_NAME
	# TODO: place holder, support for local MUST be implemented
	lttng_clear_session_fail $SESSION_NAME
	# TODO: validate that the previous chunk IS no more present

	destroy_lttng_session_ok $SESSION_NAME
}

function do_kernel_snapshot ()
{
	local session_name=$1
	local trace_path=$2

	lttng_enable_kernel_event $session_name $EVENT_NAME
	start_lttng_tracing_ok $session_name

	# Generate 10 events that will sit in the buffers.
	echo -n "10" > /proc/lttng-test-filter-event

	# Take a first snapshot and validate that the events are present.
	lttng_snapshot_record $session_name
	stop_lttng_tracing_ok $session_name
	validate_trace_count $EVENT_NAME $trace_path 10

	# Clean the output path
	clean_path $trace_path
	start_lttng_tracing_ok $session_name

	lttng_clear_session_ok $session_name

	# Make sure the subsequent snapshot is empty and valid.
	lttng_snapshot_record $session_name
	stop_lttng_tracing_ok $session_name
	validate_trace_empty $trace_path

	# Clean the output path
	clean_path $trace_path
	start_lttng_tracing_ok $session_name

	# Make sure that everything still works, generate events and take a
	# snapshot.
	echo -n "10" > /proc/lttng-test-filter-event
	lttng_snapshot_record $session_name
	stop_lttng_tracing_ok $session_name
	validate_trace_count $EVENT_NAME $trace_path 10
}

function test_kernel_streaming_snapshot ()
{
	diag "Test kernel streaming snapshot clear"

	create_lttng_session_uri $SESSION_NAME net://localhost "--snapshot"
	do_kernel_snapshot $SESSION_NAME $TRACE_PATH
	destroy_lttng_session_ok $SESSION_NAME
}

function test_kernel_local_snapshot ()
{
	diag "Test kernel local snapshot clear"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH "--snapshot"
	do_kernel_snapshot $SESSION_NAME $TRACE_PATH
	destroy_lttng_session_ok $SESSION_NAME
}

plan_tests $NUM_TESTS

print_test_banner "$TEST_DESC"

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

tests=( test_kernel_streaming
	test_kernel_streaming_live
	test_kernel_local
	test_kernel_streaming_snapshot
	test_kernel_local_snapshot
)

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

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

	rmmod lttng-test
	stop_lttng_sessiond
	stop_lttng_relayd
}

clean_path $TRACE_PATH
Commit	Line	Data
806530f2 JR	1	#!/bin/bash
	2	#
	3	# Copyright (C) - 2019 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
	4	#
	5	# This library is free software; you can redistribute it and/or modify it under
	6	# the terms of the GNU Lesser General Public License as published by the Free
	7	# Software Foundation; version 2.1 of the License.
	8	#
	9	# This library is distributed in the hope that it will be useful, but WITHOUT
	10	# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
	11	# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
	12	# details.
	13	#
	14	# You should have received a copy of the GNU Lesser General Public License
	15	# along with this library; if not, write to the Free Software Foundation, Inc.,
	16	# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	17
	18	TEST_DESC="Clear - Kernel tracing"
	19
	20	CURDIR=$(dirname $0)/
	21	TESTDIR=$CURDIR/../../..
	22	EVENT_NAME="lttng_test_filter_event"
	23
	24	TRACE_PATH=$(mktemp -d)
	25
	26	NUM_TESTS=55
	27
	28	source $TESTDIR/utils/utils.sh
	29
	30	function clean_path ()
	31	{
	32	local trace_path=$1
	33	set -u
	34	rm -rf $trace_path/*
	35	set +u
	36	}
	37
	38	function test_kernel_streaming ()
	39	{
	40	diag "Test kernel streaming clear"
	41	create_lttng_session_uri $SESSION_NAME net://localhost
	42	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	43	start_lttng_tracing_ok $SESSION_NAME
	44	# TODO: place holder, support for streaming MUST be implemented
	45	# This validate that for now we fail correctly
	46	lttng_clear_session_fail $SESSION_NAME
	47
	48	destroy_lttng_session_ok $SESSION_NAME
	49	}
	50
	51	function test_kernel_streaming_live ()
	52	{
	53	diag "Test kernel streaming live clear"
	54	create_lttng_session_uri $SESSION_NAME net://localhost "--live"
	55	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	56	start_lttng_tracing_ok $SESSION_NAME
	57	# TODO: place holder, support for streaming MUST be implemented
	58	# This validate that for now we fail correctly
	59	lttng_clear_session_fail $SESSION_NAME
	60
	61	destroy_lttng_session_ok $SESSION_NAME
	62	}
	63
	64	function test_kernel_local ()
65	{
66	diag "Test kernel local"
67	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
68	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
69	start_lttng_tracing_ok $SESSION_NAME
70	# TODO: place holder, support for local MUST be implemented
71	lttng_clear_session_fail $SESSION_NAME
72	# TODO: validate that the previous chunk IS no more present
73
74	destroy_lttng_session_ok $SESSION_NAME
75	}
76
77	function do_kernel_snapshot ()
78	{
79	local session_name=$1
80	local trace_path=$2
81
82	lttng_enable_kernel_event $session_name $EVENT_NAME
83	start_lttng_tracing_ok $session_name
84
85	# Generate 10 events that will sit in the buffers.
86	echo -n "10" > /proc/lttng-test-filter-event
87
88	# Take a first snapshot and validate that the events are present.
89	lttng_snapshot_record $session_name
90	stop_lttng_tracing_ok $session_name
91	validate_trace_count $EVENT_NAME $trace_path 10
92
93	# Clean the output path
94	clean_path $trace_path
95	start_lttng_tracing_ok $session_name
96
97	lttng_clear_session_ok $session_name
98
99	# Make sure the subsequent snapshot is empty and valid.
100	lttng_snapshot_record $session_name
101	stop_lttng_tracing_ok $session_name
102	validate_trace_empty $trace_path
103
104	# Clean the output path
105	clean_path $trace_path
106	start_lttng_tracing_ok $session_name
107
108	# Make sure that everything still works, generate events and take a
109	# snapshot.
110	echo -n "10" > /proc/lttng-test-filter-event
111	lttng_snapshot_record $session_name
112	stop_lttng_tracing_ok $session_name
113	validate_trace_count $EVENT_NAME $trace_path 10
114	}
115
116	function test_kernel_streaming_snapshot ()
117	{
118	diag "Test kernel streaming snapshot clear"
119
120	create_lttng_session_uri $SESSION_NAME net://localhost "--snapshot"
121	do_kernel_snapshot $SESSION_NAME $TRACE_PATH
122	destroy_lttng_session_ok $SESSION_NAME
123	}
124
125	function test_kernel_local_snapshot ()
126	{
127	diag "Test kernel local snapshot clear"
128
129	create_lttng_session_ok $SESSION_NAME $TRACE_PATH "--snapshot"
130	do_kernel_snapshot $SESSION_NAME $TRACE_PATH
131	destroy_lttng_session_ok $SESSION_NAME
132	}
133
134	plan_tests $NUM_TESTS
135
136	print_test_banner "$TEST_DESC"
137
138	if [ "$(id -u)" == "0" ]; then
139	isroot=1
140	else
141	isroot=0
142	fi
143
144	tests=( test_kernel_streaming
145	test_kernel_streaming_live
146	test_kernel_local
147	test_kernel_streaming_snapshot
148	test_kernel_local_snapshot
149	)
150
151	skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS \|\|
152	{
153	validate_lttng_modules_present
154
155	start_lttng_relayd "-o $TRACE_PATH"
156	start_lttng_sessiond
157	modprobe lttng-test
158
159	for fct_test in ${tests[@]};
160	do
161	SESSION_NAME=$(randstring 16 0)
162	${fct_test}
163	clean_path $TRACE_PATH
164	done
165
166	rmmod lttng-test
167	stop_lttng_sessiond
168	stop_lttng_relayd
169	}
170
171	clean_path $TRACE_PATH