45ef48fc366c82fc9934f7a8e5834020db00bdc9
[lttng-tools.git] / tests / regression / ust / before-after / test_before_after
1 #!/bin/bash
2 #
3 # Copyright (C) - 2012 David Goulet <dgoulet@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="UST tracer - Start tracing before and after execution"
18
19 CURDIR=$(dirname $0)/
20 TESTDIR=$CURDIR/../../..
21 NR_ITER=100
22 NR_USEC_WAIT=100000
23 TESTAPP_PATH="$TESTDIR/utils/testapp"
24 TESTAPP_NAME="gen-ust-events"
25 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
26 SESSION_NAME="per-session"
27 EVENT_NAME="tp:tptest"
28 NUM_TESTS=16
29
30 source $TESTDIR/utils/utils.sh
31
32 if [ ! -x "$TESTAPP_BIN" ]; then
33 BAIL_OUT "No UST nevents binary detected."
34 fi
35
36 # MUST set TESTDIR before calling those functions
37
38 function test_before_apps()
39 {
40 # BEFORE application is spawned
41 create_lttng_session_ok $SESSION_NAME $TRACE_PATH
42 enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
43 start_lttng_tracing_ok $SESSION_NAME
44
45 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
46 wait
47 ok $? "Traced application stopped."
48
49 stop_lttng_tracing_ok $SESSION_NAME
50 destroy_lttng_session_ok $SESSION_NAME
51
52 trace_match_only $EVENT_NAME $NR_ITER $TRACE_PATH
53
54 return $?
55 }
56
57 function test_after_apps()
58 {
59 local out
60 local file_sync_after_first=$(mktemp -u)
61 local file_sync_before_last=$(mktemp -u)
62
63 create_lttng_session_ok $SESSION_NAME $TRACE_PATH
64 enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
65
66 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} &
67 ok $? "Application started in background."
68
69 start_lttng_tracing_ok $SESSION_NAME
70
71 touch ${file_sync_before_last}
72
73 wait
74
75 stop_lttng_tracing_ok $SESSION_NAME
76 destroy_lttng_session_ok $SESSION_NAME
77
78 rm -f ${file_sync_after_first}
79 rm -f ${file_sync_before_last}
80
81 validate_trace $EVENT_NAME $TRACE_PATH
82 out=$?
83
84 return $out
85 }
86
87 # MUST set TESTDIR before calling those functions
88 plan_tests $NUM_TESTS
89
90 print_test_banner "$TEST_DESC"
91
92 start_lttng_sessiond
93
94 diag "Start tracing BEFORE application is started"
95
96 TRACE_PATH=$(mktemp -d)
97
98 test_before_apps
99 out=$?
100 if [ $out -ne 0 ]; then
101 stop_lttng_sessiond
102 exit $out
103 fi
104
105 rm -rf $TRACE_PATH
106
107 diag "Start tracing AFTER application is started"
108
109 TRACE_PATH=$(mktemp -d)
110
111 test_after_apps
112 out=$?
113 if [ $out -ne 0 ]; then
114 stop_lttng_sessiond
115 exit $out
116 fi
117
118 stop_lttng_sessiond
119
120 rm -rf $TRACE_PATH
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