3 # Copyright (C) - 2017 Julien Desfossez <jdesfossez@efficios.com>
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.
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
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
="Rotation - Kernel tracing"
20 TESTDIR
=$CURDIR/..
/..
/..
21 EVENT_NAME
="lttng_test_filter_event"
25 TRACE_PATH
=$
(mktemp
-d)
29 source $TESTDIR/utils
/utils.sh
30 source $CURDIR/rotate_utils.sh
32 function rotate_kernel_test
()
36 lttng_enable_kernel_event
$SESSION_NAME $EVENT_NAME
37 start_lttng_tracing_ok
$SESSION_NAME
40 # First chunk contains 10 events.
41 echo -n "10" > /proc
/lttng-test-filter-event
42 rotate_session_ok
$SESSION_NAME
44 # Second chunk contains 20 events.
45 echo -n "20" > /proc
/lttng-test-filter-event
46 stop_lttng_tracing_ok
$SESSION_NAME
48 # Third chunk contains no event (rotate after stop).
49 rotate_session_ok
$SESSION_NAME
51 destroy_lttng_session_ok
$SESSION_NAME
53 # The tests on the chunk folder rely on the date staying the same during
54 # the duration of the test, if this fail we will now why the other checks
55 # fail afterwards. There is a short window of time where an automated test
56 # could fail because of that.
59 ok $?
"Date did not change during the test"
61 validate_test_chunks
$local_path $today kernel kernel
0
64 function test_kernel_streaming
()
66 diag
"Test kernel streaming with session rotation"
67 create_lttng_session_uri
$SESSION_NAME net
://localhost
68 rotate_kernel_test
"${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
69 clean_path
$TRACE_PATH
72 function test_kernel_local
()
74 diag
"Test kernel local with session rotation"
75 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
77 rotate_kernel_test
"${TRACE_PATH}"
80 function test_kernel_local_timer
()
82 diag
"Test kernel local with session rotation timer"
83 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
84 lttng_enable_kernel_event
$SESSION_NAME $EVENT_NAME
85 lttng_enable_rotation_timer_ok
$SESSION_NAME 500ms
86 start_lttng_tracing_ok
$SESSION_NAME
88 rotate_timer_test
"${TRACE_PATH}" 0
91 function test_kernel_streaming_timer
()
93 diag
"Test kernel remote with session rotation timer"
94 create_lttng_session_uri
$SESSION_NAME net
://localhost
95 lttng_enable_kernel_event
$SESSION_NAME $EVENT_NAME
96 lttng_enable_rotation_timer_ok
$SESSION_NAME 500ms
97 start_lttng_tracing_ok
$SESSION_NAME
99 rotate_timer_test
"${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" 0
100 clean_path
$TRACE_PATH
103 plan_tests
$NUM_TESTS
105 print_test_banner
"$TEST_DESC"
107 if [ "$(id -u)" == "0" ]; then
113 skip
$isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
115 validate_lttng_modules_present
117 start_lttng_relayd
"-o $TRACE_PATH"
121 tests
=( test_kernel_streaming test_kernel_local test_kernel_local_timer test_kernel_streaming_timer
)
123 for fct_test
in ${tests[@]};
125 SESSION_NAME
=$
(randstring
16 0)