tests: add some diags in utils.sh
[lttng-tools.git] / tests / destructive / metadata-regeneration
1 #!/bin/bash
2 #
3 # Copyright (C) 2015 Julien Desfossez <jdesfossez@efficios.com>
4 #
5 # SPDX-License-Identifier: GPL-2.0-only
6 #
7
8 # WARNING: this test changes the date of the system (and does not set it back).
9 # This test sets the date of the current machine to $DATE1, creates a trace
10 # makes sure the trace is really at that date, then restarts the trace, changes
11 # the date to $DATE2, regenerates the metadata and validates that the trace is
12 # actually at $DATE2.
13
14 TEST_DESC="Metadata regeneration after date change"
15
16 CURDIR=$(dirname $0)/
17 TESTDIR=$CURDIR/..
18 NUM_TESTS=44
19 SESSION_NAME="regen"
20 KERNEL_EVENT_NAME="lttng_test_filter_event"
21 TRACE_PATH=$(mktemp --tmpdir -d -t tmp.metadata_regen_after_data_change.XXXXXX)
22
23 TESTAPP_PATH="$TESTDIR/utils/testapp"
24 TESTAPP_NAME="gen-ust-events"
25 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
26 NR_ITER=1
27 NR_USEC_WAIT=0
28 UST_EVENT_NAME="tp:tptest"
29
30 DATE1="1970-02-02"
31 DATE2="1980-02-02"
32 HOUR="05:30"
33
34 source $TESTDIR/utils/utils.sh
35
36 # MUST set TESTDIR before calling those functions
37 plan_tests $NUM_TESTS
38
39 print_test_banner "$TEST_DESC"
40
41 function validate_trace_date
42 {
43 local test_date=$1
44 local trace_path=$2
45
46 which $BABELTRACE_BIN >/dev/null
47 if [ $? -ne 0 ]; then
48 skip 0 "Babeltrace binary not found. Skipping trace validation"
49 fi
50
51 res=$($BABELTRACE_BIN --clock-date $trace_path 2>/dev/null | head -1 | grep $test_date)
52 if [ $? -eq 0 ]; then
53 pass "Validate trace at date $test_date"
54 ret=0
55 else
56 fail "The trace is not at the expected date"
57 ret=-1
58 fi
59
60 return $ret
61 }
62
63 function test_kernel_local ()
64 {
65 diag "Test kernel local with metadata regeneration"
66 date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
67 create_lttng_session_ok $SESSION_NAME $TRACE_PATH
68 lttng_enable_kernel_event $SESSION_NAME $KERNEL_EVENT_NAME
69 start_lttng_tracing_ok $SESSION_NAME
70 echo -n "100" > /proc/lttng-test-filter-event
71 stop_lttng_tracing_ok $SESSION_NAME
72 validate_trace_date $DATE1 $TRACE_PATH
73 start_lttng_tracing_ok $SESSION_NAME
74 date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
75 regenerate_metadata_ok $SESSION_NAME
76 stop_lttng_tracing_ok $SESSION_NAME
77 validate_trace_date $DATE2 $TRACE_PATH
78 if [ $? -eq 0 ]; then
79 # Only delete if successful
80 rm -rf $TRACE_PATH
81 fi
82 destroy_lttng_session_ok $SESSION_NAME
83 }
84
85 function test_kernel_streaming ()
86 {
87 diag "Test kernel streaming with metadata regeneration"
88 date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
89 create_lttng_session_uri $SESSION_NAME net://localhost
90 lttng_enable_kernel_event $SESSION_NAME $KERNEL_EVENT_NAME
91 start_lttng_tracing_ok $SESSION_NAME
92 echo -n "100" > /proc/lttng-test-filter-event
93 stop_lttng_tracing_ok $SESSION_NAME
94 validate_trace_date $DATE1 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
95 start_lttng_tracing_ok $SESSION_NAME
96 date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
97 regenerate_metadata_ok $SESSION_NAME
98 stop_lttng_tracing_ok $SESSION_NAME
99 # Validate test
100 validate_trace_date $DATE2 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
101 if [ $? -eq 0 ]; then
102 # Only delete if successful
103 rm -rf $TRACE_PATH
104 else
105 break
106 fi
107 destroy_lttng_session_ok $SESSION_NAME
108 }
109
110 function test_ust_local ()
111 {
112 local file_sync_after_first=$(mktemp --tmpdir -u -t "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX")
113 local file_sync_before_last=$(mktemp --tmpdir -u -t "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX")
114
115 diag "Test UST local with metadata regeneration"
116 date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
117 create_lttng_session_ok $SESSION_NAME $TRACE_PATH
118 enable_ust_lttng_event_ok $SESSION_NAME $UST_EVENT_NAME
119
120 $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
121 --sync-after-first-event ${file_sync_after_first} \
122 --sync-before-last-event ${file_sync_before_last} > /dev/null 2>&1 &
123
124 start_lttng_tracing_ok $SESSION_NAME
125
126 touch ${file_sync_before_last}
127 # Wait for the applications started in background
128 wait
129
130 stop_lttng_tracing_ok $SESSION_NAME
131 validate_trace_date $DATE1 $TRACE_PATH
132
133 start_lttng_tracing_ok $SESSION_NAME
134 date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
135 regenerate_metadata_ok $SESSION_NAME
136
137 stop_lttng_tracing_ok $SESSION_NAME
138 destroy_lttng_session_ok $SESSION_NAME
139 validate_trace_date $DATE2 $TRACE_PATH
140 if [ $? -eq 0 ]; then
141 # Only delete if successful
142 rm -rf $TRACE_PATH
143 fi
144 rm -f ${file_sync_after_first}
145 rm -f ${file_sync_before_last}
146 }
147
148 function test_ust_streaming ()
149 {
150 local file_sync_after_first=$(mktemp --tmpdir -u -t "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX")
151 local file_sync_before_last=$(mktemp --tmpdir -u -t "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX")
152
153 diag "Test UST streaming with metadata regeneration"
154 date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
155 create_lttng_session_uri $SESSION_NAME net://localhost
156 enable_ust_lttng_event_ok $SESSION_NAME $UST_EVENT_NAME
157
158 $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
159 --sync-after-first-event ${file_sync_after_first} \
160 --sync-before-last-event ${file_sync_before_last} > /dev/null 2>&1 &
161
162 start_lttng_tracing_ok $SESSION_NAME
163
164 touch ${file_sync_before_last}
165
166 # Wait for the applications started in background
167 wait
168 stop_lttng_tracing_ok $SESSION_NAME
169 validate_trace_date $DATE1 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
170
171 start_lttng_tracing_ok $SESSION_NAME
172 date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
173
174 regenerate_metadata_ok $SESSION_NAME
175
176 stop_lttng_tracing_ok $SESSION_NAME
177 destroy_lttng_session_ok $SESSION_NAME
178 # Validate test
179 validate_trace_date $DATE2 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
180 if [ $? -eq 0 ]; then
181 # Only delete if successful
182 rm -rf $TRACE_PATH
183 fi
184 rm -f ${file_sync_after_first}
185 rm -f ${file_sync_before_last}
186 }
187
188 if [ "$(id -u)" == "0" ]; then
189 isroot=1
190 else
191 isroot=0
192 fi
193
194 if ! destructive_tests_enabled ; then
195 echo 'You need to set the LTTNG_ENABLE_DESTRUCTIVE_TESTS to "will-break-my-system" as argument to run this test'
196 echo 'Moreover, please make sure that ntp is not running while executing this test'
197 exit 0
198 fi
199
200 skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS ||
201 {
202 start_lttng_relayd "-o $TRACE_PATH"
203 start_lttng_sessiond
204
205 modprobe lttng-test
206 test_kernel_local
207 test_kernel_streaming
208 modprobe --remove lttng-test
209
210 test_ust_local
211 test_ust_streaming
212
213 stop_lttng_sessiond
214 stop_lttng_relayd
215 }
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