SoW-2019-0002: Dynamic Snapshot
[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=178
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_fail
99 {
100 event_name="$1"
101 exclusions="$2"
102
103 create_lttng_session_ok $SESSION_NAME $trace_path
104 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event -u "$event_name" -s $sess_name -x "$exclusions" >/dev/null 2>&1
105 res=$?
106 destroy_lttng_session_ok $SESSION_NAME
107
108 if [ $res -eq 0 ]; then
109 fail "Enable LTTng event \"$event_name\" with exclusion \"$exclusions\" passes"
110 return 1
111 else
112 pass "Enable LTTng event \"$event_name\" with exclusion \"$exclusions\" fails"
113 return 0
114 fi
115 }
116
117 plan_tests $NUM_TESTS
118
119 print_test_banner "$TEST_DESC"
120
121 start_lttng_sessiond
122
123 diag "Enable event without exclusion"
124 dry_run
125
126 diag "Enable event with exclusion"
127 test_exclusion 'tp:tptest2' 'tp:tptest2'
128 test_exclusion 'tp:tptest3' 'tp:tptest3'
129 test_exclusion 'tp:tptest*' 'tp:tptest1'
130 test_exclusion 'tp:tptest*' 'tp:tptest2'
131 test_exclusion 'tp:tptest*' 'tp:tptest3'
132 test_exclusion 'tp:tptest*' 'tp:tptest4'
133 test_exclusion 'tp:tptest*' 'tp:tptest5'
134 test_exclusion 'tp*tptest*' 'tp:tptest1'
135 test_exclusion 'tp*tptest*' 'tp:tptest2'
136 test_exclusion 'tp*tptest*' 'tp:tptest3'
137 test_exclusion 'tp*tptest*' 'tp:tptest4'
138 test_exclusion 'tp*tptest*' 'tp:tptest5'
139 test_exclusion '*test2' 'tp:tptest2'
140 test_exclusion '*test5' 'tp:tptest5'
141 test_exclusion '*p*test*' 'tp:tptest1'
142 test_exclusion '*p*test*' 'tp:tptest2'
143 test_exclusion '*p*test*' 'tp:tptest3'
144 test_exclusion '*p***test*' 'tp:tptest4'
145 test_exclusion '*p*test*' 'tp:tptest5'
146 test_exclusion '*3' 'tp:tptest3'
147 test_exclusion 'tp*test3,*2' 'tp:tptest2'
148 test_exclusion '**tp*test3,*2' 'tp:tptest3'
149
150 diag "Cannot use exclusions with non-globbing event name"
151 test_exclusion_fail "allo" "lol"
152 test_exclusion_fail "allo" "meow,lol"
153 test_exclusion_fail "allo" "z*em"
154
155 diag "Exclusion name excludes all possible event names"
156 test_exclusion_fail "allo*" "all*"
157 test_exclusion_fail "allo*" "ze,all*,yes"
158
159 stop_lttng_sessiond
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