Tests: Clean trace_path after each subtest
[lttng-tools.git] / tests / regression / tools / rotation / test_kernel
1 #!/bin/bash
2 #
3 # Copyright (C) - 2017 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="Rotation - Kernel tracing"
18
19 CURDIR=$(dirname $0)/
20 TESTDIR=$CURDIR/../../..
21 EVENT_NAME="lttng_test_filter_event"
22
23 TRACE_PATH=$(mktemp -d)
24
25 NUM_TESTS=68
26
27 source $TESTDIR/utils/utils.sh
28 source $CURDIR/rotate_utils.sh
29
30 function rotate_kernel_test ()
31 {
32 local_path=$1
33
34 lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
35 start_lttng_tracing_ok $SESSION_NAME
36
37 today=$(date +%Y%m%d)
38 # First chunk contains 10 events.
39 echo -n "10" > /proc/lttng-test-filter-event
40 rotate_session_ok $SESSION_NAME
41
42 # Second chunk contains 20 events.
43 echo -n "20" > /proc/lttng-test-filter-event
44 stop_lttng_tracing_ok $SESSION_NAME
45
46 # Third chunk contains no event (rotate after stop).
47 rotate_session_ok $SESSION_NAME
48
49 destroy_lttng_session_ok $SESSION_NAME
50
51 # The tests on the chunk folder rely on the date staying the same during
52 # the duration of the test, if this fail we will now why the other checks
53 # fail afterwards. There is a short window of time where an automated test
54 # could fail because of that.
55 now=$(date +%Y%m%d)
56 test $today = $now
57 ok $? "Date did not change during the test"
58
59 validate_test_chunks $local_path $today kernel kernel 0
60 }
61
62 function test_kernel_streaming ()
63 {
64 diag "Test kernel streaming with session rotation"
65 create_lttng_session_uri $SESSION_NAME net://localhost
66 rotate_kernel_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
67 }
68
69 function test_kernel_local ()
70 {
71 diag "Test kernel local with session rotation"
72 create_lttng_session_ok $SESSION_NAME $TRACE_PATH
73
74 rotate_kernel_test "${TRACE_PATH}"
75 }
76
77 function test_kernel_local_timer ()
78 {
79 diag "Test kernel local with session rotation timer"
80 create_lttng_session_ok $SESSION_NAME $TRACE_PATH
81 lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
82 lttng_enable_rotation_timer_ok $SESSION_NAME 500ms
83 start_lttng_tracing_ok $SESSION_NAME
84
85 rotate_timer_test "${TRACE_PATH}" 0
86 }
87
88 function test_kernel_streaming_timer ()
89 {
90 diag "Test kernel remote with session rotation timer"
91 create_lttng_session_uri $SESSION_NAME net://localhost
92 lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
93 lttng_enable_rotation_timer_ok $SESSION_NAME 500ms
94 start_lttng_tracing_ok $SESSION_NAME
95
96 rotate_timer_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" 0
97 }
98
99 plan_tests $NUM_TESTS
100
101 print_test_banner "$TEST_DESC"
102
103 if [ "$(id -u)" == "0" ]; then
104 isroot=1
105 else
106 isroot=0
107 fi
108
109 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
110 {
111 validate_lttng_modules_present
112
113 start_lttng_relayd "-o $TRACE_PATH"
114 start_lttng_sessiond
115 modprobe lttng-test
116
117 tests=( test_kernel_streaming test_kernel_local test_kernel_local_timer test_kernel_streaming_timer)
118
119 for fct_test in ${tests[@]};
120 do
121 SESSION_NAME=$(randstring 16 0)
122 ${fct_test}
123 clean_path $TRACE_PATH
124 done
125
126 rmmod lttng-test
127 stop_lttng_sessiond
128 stop_lttng_relayd
129 }
130
131 rm -rf $TRACE_PATH
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