Introduce emission site for syscall event rule
[lttng-tools.git] / tests / regression / tools / exclusion / test_exclusion
1 #!/bin/bash
2 #
3 # Copyright (C) 2012 Christian Babeux <christian.babeux@efficios.com>
4 #
5 # SPDX-License-Identifier: GPL-2.0-only
6 #
7
8 TEST_DESC="Event exclusion"
9
10 CURDIR=$(dirname $0)/
11 TESTDIR=$CURDIR/../../..
12 STATS_BIN="$TESTDIR/utils/babelstats.pl"
13 SESSION_NAME="test-exclusion"
14 TESTAPP_PATH="$TESTDIR/utils/testapp"
15 TESTAPP_NAME="gen-ust-nevents"
16 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
17 NR_ITER=100
18 NR_USEC_WAIT=1
19 NUM_TESTS=185
20
21 source $TESTDIR/utils/utils.sh
22
23 function enable_ust_lttng_all_event_exclusion()
24 {
25 sess_name="$1"
26 exclusion="$2"
27
28 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event -u "tp:*" -s $sess_name -x "$exclusion" > /dev/null
29 }
30
31 function run_apps
32 {
33 $TESTAPP_BIN --iter $NR_ITER --wait $NR_USEC_WAIT >/dev/null 2>&1
34 ok $? "Running test application"
35 }
36
37 # Testing for the absence of an event when testing exclusion is tricky. An
38 # event could be absent because our exclusion mechanism works but also because
39 # the event was not generate in the first place. This function test the ability
40 # of our test suite to generate events.
41 function dry_run
42 {
43 trace_path=$(mktemp -d)
44
45 # Create session
46 create_lttng_session_ok $SESSION_NAME $trace_path
47
48 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event -u "tp:*" -s $SESSION_NAME > /dev/null
49 ok $? "Enabling events without exclusion"
50
51 # Trace apps
52 start_lttng_tracing_ok $SESSION_NAME
53 run_apps
54 stop_lttng_tracing_ok $SESSION_NAME
55
56 nb_events=$(babeltrace $trace_path | wc -l)
57 if [ "$nb_events" -ne "0" ]; then
58 ok 0 "Events were found during the dry run without exclusion"
59 else
60 fail "No events were found during the dry run without exclusion"
61 fi
62
63 rm -rf $trace_path
64
65 # Destroy session
66 destroy_lttng_session_ok $SESSION_NAME
67 }
68
69 function test_exclusion
70 {
71 exclusions="$1"
72 event_name_expected_to_be_missing="$2"
73 trace_path=$(mktemp -d)
74
75 # Create session
76 create_lttng_session_ok $SESSION_NAME $trace_path
77
78 enable_ust_lttng_all_event_exclusion $SESSION_NAME "$exclusions"
79 ok $? "Enable lttng event with event \"$exclusions\" excluded"
80
81 # Trace apps
82 start_lttng_tracing_ok $SESSION_NAME
83 run_apps
84 stop_lttng_tracing_ok $SESSION_NAME
85
86 # Destroy session
87 destroy_lttng_session_ok $SESSION_NAME
88
89 stats=`babeltrace $trace_path | $STATS_BIN --tracepoint "$event_name_expected_to_be_missing" | grep -v index 2> /dev/null`
90 if [ ! -z "$stats" ]; then
91 fail "Excluded event \"$event_name_expected_to_be_missing\" was found in trace!"
92 else
93 ok 0 "Validate trace exclusion output"
94 rm -rf $trace_path
95 fi
96 }
97
98 function test_exclusion_tracing_started
99 {
100 local exclusions="$1"
101 local event_name_expected_to_be_missing="$2"
102 local trace_path=$(mktemp -d)
103 local file_wait_before_first=$(mktemp -u)
104 local file_create_in_main=$(mktemp -u)
105
106 # Create session
107 create_lttng_session_ok $SESSION_NAME $trace_path
108
109 # Enable a dummy event so that the session is active after we start the
110 # session.
111 enable_ust_lttng_event_ok $SESSION_NAME "non-existent-event"
112
113 # Start the tracing
114 start_lttng_tracing_ok $SESSION_NAME
115
116 # Launch the test app and make it create a sync file once it's in the
117 # main function.
118 $TESTAPP_BIN -i 1 -w 10000 \
119 --create-in-main ${file_create_in_main} \
120 --wait-before-first-event ${file_wait_before_first} 2>&1 &
121
122 while [ ! -f "${file_create_in_main}" ]; do
123 sleep 0.5
124 done
125
126 # Enable an event with an exclusion once the tracing is active in the
127 # UST app.
128 enable_ust_lttng_all_event_exclusion $SESSION_NAME "$exclusions"
129 ok $? "Enable lttng event with event \"$exclusions\" excluded"
130
131 # Create the sync file so that the test app starts generating events.
132 touch ${file_wait_before_first}
133
134 # Wait for the testapp to finish.
135 wait
136
137 stop_lttng_tracing_ok $SESSION_NAME
138
139 # Destroy session
140 destroy_lttng_session_ok $SESSION_NAME
141
142 stats=$(babeltrace $trace_path | $STATS_BIN --tracepoint "$event_name_expected_to_be_missing" | grep -v index 2> /dev/null)
143 if [ ! -z "$stats" ]; then
144 fail "Excluded event \"$event_name_expected_to_be_missing\" was found in trace!"
145 else
146 ok 0 "Validate trace exclusion output"
147 rm -rf $trace_path
148 fi
149 }
150
151 function test_exclusion_fail
152 {
153 event_name="$1"
154 exclusions="$2"
155
156 create_lttng_session_ok $SESSION_NAME $trace_path
157 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event -u "$event_name" -s $sess_name -x "$exclusions" >/dev/null 2>&1
158 res=$?
159 destroy_lttng_session_ok $SESSION_NAME
160
161 if [ $res -eq 0 ]; then
162 fail "Enable LTTng event \"$event_name\" with exclusion \"$exclusions\" passes"
163 return 1
164 else
165 pass "Enable LTTng event \"$event_name\" with exclusion \"$exclusions\" fails"
166 return 0
167 fi
168 }
169
170 plan_tests $NUM_TESTS
171
172 print_test_banner "$TEST_DESC"
173
174 start_lttng_sessiond
175
176 diag "Enable event without exclusion"
177 dry_run
178
179 diag "Enable event with exclusion"
180 test_exclusion 'tp:tptest2' 'tp:tptest2'
181 test_exclusion 'tp:tptest3' 'tp:tptest3'
182 test_exclusion 'tp:tptest*' 'tp:tptest1'
183 test_exclusion 'tp:tptest*' 'tp:tptest2'
184 test_exclusion 'tp:tptest*' 'tp:tptest3'
185 test_exclusion 'tp:tptest*' 'tp:tptest4'
186 test_exclusion 'tp:tptest*' 'tp:tptest5'
187 test_exclusion 'tp*tptest*' 'tp:tptest1'
188 test_exclusion 'tp*tptest*' 'tp:tptest2'
189 test_exclusion 'tp*tptest*' 'tp:tptest3'
190 test_exclusion 'tp*tptest*' 'tp:tptest4'
191 test_exclusion 'tp*tptest*' 'tp:tptest5'
192 test_exclusion '*test2' 'tp:tptest2'
193 test_exclusion '*test5' 'tp:tptest5'
194 test_exclusion '*p*test*' 'tp:tptest1'
195 test_exclusion '*p*test*' 'tp:tptest2'
196 test_exclusion '*p*test*' 'tp:tptest3'
197 test_exclusion '*p***test*' 'tp:tptest4'
198 test_exclusion '*p*test*' 'tp:tptest5'
199 test_exclusion '*3' 'tp:tptest3'
200 test_exclusion 'tp*test3,*2' 'tp:tptest2'
201 test_exclusion '**tp*test3,*2' 'tp:tptest3'
202
203 test_exclusion_tracing_started 'tp:tptest1' 'tp:tptest1'
204
205 diag "Cannot use exclusions with non-globbing event name"
206 test_exclusion_fail "allo" "lol"
207 test_exclusion_fail "allo" "meow,lol"
208 test_exclusion_fail "allo" "z*em"
209
210 diag "Exclusion name excludes all possible event names"
211 test_exclusion_fail "allo*" "all*"
212 test_exclusion_fail "allo*" "ze,all*,yes"
213
214 stop_lttng_sessiond
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