0d72f9eaec1fbc1aec279c1ef20c783959349d98
[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 PID_RELAYD=0
23 SESSION_NAME=""
24
25 TRACE_PATH=$(mktemp -d)
26
27 NUM_TESTS=68
28
29 source $TESTDIR/utils/utils.sh
30 source $CURDIR/rotate_utils.sh
31
32 function lttng_create_session_uri
33 {
34 # Create session with default path
35 $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME -U net://localhost >/dev/null 2>&1
36
37 ok $? "Create session $SESSION_NAME"
38 }
39
40 function rotate_kernel_test ()
41 {
42 local_path=$1
43
44 lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
45 start_lttng_tracing_ok $SESSION_NAME
46
47 today=$(date +%Y%m%d)
48 # First chunk contains 10 events.
49 echo -n "10" > /proc/lttng-test-filter-event
50 rotate_session_ok $SESSION_NAME
51
52 # Second chunk contains 20 events.
53 echo -n "20" > /proc/lttng-test-filter-event
54 stop_lttng_tracing_ok $SESSION_NAME
55
56 # Third chunk contains no event (rotate after stop).
57 rotate_session_ok $SESSION_NAME
58
59 destroy_lttng_session_ok $SESSION_NAME
60
61 # The tests on the chunk folder rely on the date staying the same during
62 # the duration of the test, if this fail we will now why the other checks
63 # fail afterwards. There is a short window of time where an automated test
64 # could fail because of that.
65 now=$(date +%Y%m%d)
66 test $today = $now
67 ok $? "Date did not change during the test"
68
69 validate_test_chunks $local_path $today kernel kernel 0
70 }
71
72 function test_kernel_streaming ()
73 {
74 diag "Test kernel streaming with session rotation"
75 lttng_create_session_uri
76 rotate_kernel_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
77 clean_path $TRACE_PATH
78 }
79
80 function test_kernel_local ()
81 {
82 diag "Test kernel local with session rotation"
83 create_lttng_session_ok $SESSION_NAME $TRACE_PATH
84
85 rotate_kernel_test "${TRACE_PATH}"
86 }
87
88 function test_kernel_local_timer ()
89 {
90 diag "Test kernel local with session rotation timer"
91 create_lttng_session_ok $SESSION_NAME $TRACE_PATH
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}" 0
97 }
98
99 function test_kernel_streaming_timer ()
100 {
101 diag "Test kernel remote with session rotation timer"
102 lttng_create_session_uri
103 lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
104 lttng_enable_rotation_timer_ok $SESSION_NAME 500ms
105 start_lttng_tracing_ok $SESSION_NAME
106
107 rotate_timer_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" 0
108 clean_path $TRACE_PATH
109 }
110
111 plan_tests $NUM_TESTS
112
113 print_test_banner "$TEST_DESC"
114
115 if [ "$(id -u)" == "0" ]; then
116 isroot=1
117 else
118 isroot=0
119 fi
120
121 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
122 {
123 validate_lttng_modules_present
124
125 start_lttng_relayd "-o $TRACE_PATH"
126 start_lttng_sessiond
127 modprobe lttng-test
128
129 tests=( test_kernel_streaming test_kernel_local test_kernel_local_timer test_kernel_streaming_timer)
130
131 for fct_test in ${tests[@]};
132 do
133 SESSION_NAME=$(randstring 16 0)
134 ${fct_test}
135 done
136
137 rmmod lttng-test
138 stop_lttng_sessiond
139 stop_lttng_relayd
140 }
141
142 rm -rf $TRACE_PATH
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