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 $CURDIR/rotate_utils.sh
32 # LTTng kernel modules check
33 out
=`ls /lib/modules/$(uname -r)/extra | grep lttng`
34 if [ -z "$out" ]; then
35 BAIL_OUT
"LTTng modules not detected."
38 function lttng_create_session_uri
40 # Create session with default path
41 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN create
$SESSION_NAME -U net
://localhost
>/dev
/null
2>&1
43 ok $?
"Create session $SESSION_NAME"
46 function rotate_kernel_test
()
50 lttng_enable_kernel_event
$SESSION_NAME $EVENT_NAME
51 start_lttng_tracing_ok
$SESSION_NAME
54 # First chunk contains 10 events.
55 echo -n "10" > /proc
/lttng-test-filter-event
56 rotate_session_ok
$SESSION_NAME
58 # Second chunk contains 20 events.
59 echo -n "20" > /proc
/lttng-test-filter-event
60 stop_lttng_tracing_ok
$SESSION_NAME
62 # Third chunk contains no event (rotate after stop).
63 rotate_session_ok
$SESSION_NAME
65 destroy_lttng_session_ok
$SESSION_NAME
67 # The tests on the chunk folder rely on the date staying the same during
68 # the duration of the test, if this fail we will now why the other checks
69 # fail afterwards. There is a short window of time where an automated test
70 # could fail because of that.
73 ok $?
"Date did not change during the test"
75 validate_test_chunks
$local_path $today kernel kernel
0
78 function test_kernel_streaming
()
80 diag
"Test kernel streaming with session rotation"
81 lttng_create_session_uri
82 rotate_kernel_test
"${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
83 clean_path
$TRACE_PATH
86 function test_kernel_local
()
88 diag
"Test kernel local with session rotation"
89 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
91 rotate_kernel_test
"${TRACE_PATH}"
94 function test_kernel_local_timer
()
96 diag
"Test kernel local with session rotation timer"
97 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
98 lttng_enable_kernel_event
$SESSION_NAME $EVENT_NAME
99 lttng_enable_rotation_timer_ok
$SESSION_NAME 500ms
100 start_lttng_tracing_ok
$SESSION_NAME
102 rotate_timer_test
"${TRACE_PATH}" 0
105 function test_kernel_streaming_timer
()
107 diag
"Test kernel remote with session rotation timer"
108 lttng_create_session_uri
109 lttng_enable_kernel_event
$SESSION_NAME $EVENT_NAME
110 lttng_enable_rotation_timer_ok
$SESSION_NAME 500ms
111 start_lttng_tracing_ok
$SESSION_NAME
113 rotate_timer_test
"${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" 0
114 clean_path
$TRACE_PATH
117 plan_tests
$NUM_TESTS
119 print_test_banner
"$TEST_DESC"
121 if [ "$(id -u)" == "0" ]; then
127 skip
$isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
129 start_lttng_relayd
"-o $TRACE_PATH"
133 tests
=( test_kernel_streaming test_kernel_local test_kernel_local_timer test_kernel_streaming_timer
)
135 for fct_test
in ${tests[@]};
137 SESSION_NAME
=$
(randstring
16 0)