3 # Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
5 # SPDX-License-Identifier: LGPL-2.1-only
7 TEST_DESC
="UST tracer - Tracing with per PID buffers"
10 TESTDIR
=$CURDIR/..
/..
/..
13 SESSION_NAME
="buffers-pid"
15 TESTAPP_PATH
="$TESTDIR/utils/testapp"
16 TESTAPP_NAME
="gen-ust-events"
17 TESTAPP_BIN
="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
18 EVENT_NAME
="tp:tptest"
21 source $TESTDIR/utils
/utils.sh
23 if [ ! -x "$TESTAPP_BIN" ]; then
24 BAIL_OUT
"No UST events binary detected."
27 # MUST set TESTDIR before calling those functions
29 function enable_channel_per_pid
()
34 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-channel
--buffers-pid -u $channel_name -s $sess_name >/dev
/null
2>&1
35 ok $?
"Enable channel $channel_name per PID for session $sess_name"
38 test_after_multiple_apps
() {
42 diag
"Start multiple applications AFTER tracing is started"
44 # BEFORE application is spawned
45 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
46 enable_channel_per_pid
$SESSION_NAME "channel0"
47 enable_ust_lttng_event_ok
$SESSION_NAME $EVENT_NAME "channel0"
48 start_lttng_tracing_ok
$SESSION_NAME
50 for i
in `seq 1 5`; do
51 $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT >/dev
/null
2>&1 &
52 ok $?
"Start application $i for tracing"
56 stop_lttng_tracing_ok
$SESSION_NAME
57 destroy_lttng_session_ok
$SESSION_NAME
59 trace_match_only
$EVENT_NAME $
[NR_ITER
* 5] $TRACE_PATH
64 test_before_multiple_apps
() {
67 local file_sync_after_first
=$
(mktemp
-u)
68 local file_sync_before_last
=$
(mktemp
-u)
70 diag
"Start multiple applications BEFORE tracing is started"
72 for i
in `seq 1 5`; do
73 $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
74 --sync-after-first-event ${file_sync_after_first}_
${i} \
75 --sync-before-last-event ${file_sync_before_last}_
${i} >/dev
/null
2>&1 &
76 ok $?
"Start application $i for tracing"
79 # BEFORE application is spawned
80 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
81 enable_channel_per_pid
$SESSION_NAME "channel0"
82 enable_ust_lttng_event_ok
$SESSION_NAME $EVENT_NAME "channel0"
83 start_lttng_tracing_ok
$SESSION_NAME
85 for i
in `seq 1 5`; do
86 touch ${file_sync_before_last}_
${i}
89 diag
"Waiting for applications to end"
93 stop_lttng_tracing_ok
$SESSION_NAME
94 destroy_lttng_session_ok
$SESSION_NAME
96 for i
in `seq 1 5`; do
97 rm -f ${file_sync_after_first}_
${i}
98 rm -f ${file_sync_before_last}_
${i}
101 out
=$
(babeltrace
$TRACE_PATH |
grep $EVENT_NAME |
wc -l)
102 if [ $out -eq 0 ]; then
103 fail
"Trace validation"
104 diag
"No event(s) found. We are supposed to have at least one."
107 pass
"Trace validation"
108 diag
"Found $out event(s). Coherent."
118 diag
"Start application AFTER tracing is started"
120 # BEFORE application is spawned
121 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
122 enable_channel_per_pid
$SESSION_NAME "channel0"
123 enable_ust_lttng_event_ok
$SESSION_NAME $EVENT_NAME "channel0"
124 start_lttng_tracing_ok
$SESSION_NAME
126 $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT &
127 ok $?
"Start application to trace"
130 stop_lttng_tracing_ok
$SESSION_NAME
131 destroy_lttng_session_ok
$SESSION_NAME
133 trace_match_only
$EVENT_NAME $NR_ITER $TRACE_PATH
140 local file_sync_after_first
=$
(mktemp
-u)
141 local file_sync_before_last
=$
(mktemp
-u)
143 diag
"Start application BEFORE tracing is started"
146 # BEFORE application is spawned
147 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
148 enable_channel_per_pid
$SESSION_NAME "channel0"
149 enable_ust_lttng_event_ok
$SESSION_NAME $EVENT_NAME "channel0"
151 $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
152 --sync-after-first-event ${file_sync_after_first} \
153 --sync-before-last-event ${file_sync_before_last} &
154 ok $?
"Start application to trace"
156 start_lttng_tracing_ok
$SESSION_NAME
158 touch ${file_sync_before_last}
162 stop_lttng_tracing_ok
$SESSION_NAME
163 destroy_lttng_session_ok
$SESSION_NAME
165 rm -f ${file_sync_after_first}
166 rm -f ${file_sync_before_last}
168 out
=$
(babeltrace
$TRACE_PATH |
grep $EVENT_NAME |
wc -l)
169 if [ $out -eq 0 ]; then
170 fail
"Trace validation"
171 diag
"No event(s) found. We are supposed to have at least one."
174 pass
"Trace validation"
175 diag
"Found $out event(s). Coherent."
182 test_multiple_channels
() {
185 diag
"Start with multiple channels"
187 # BEFORE application is spawned
188 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
189 enable_channel_per_pid
$SESSION_NAME "channel0"
190 enable_channel_per_pid
$SESSION_NAME "channel1"
191 enable_channel_per_pid
$SESSION_NAME "channel2"
192 enable_channel_per_pid
$SESSION_NAME "channel3"
193 enable_channel_per_pid
$SESSION_NAME "channel4"
194 # Enable event in all channels.
195 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel0
-s $SESSION_NAME -u >/dev
/null
2>&1
196 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel0"
197 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel1
-s $SESSION_NAME -u >/dev
/null
2>&1
198 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel1"
199 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel2
-s $SESSION_NAME -u >/dev
/null
2>&1
200 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel2"
201 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel3
-s $SESSION_NAME -u >/dev
/null
2>&1
202 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel3"
203 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel4
-s $SESSION_NAME -u >/dev
/null
2>&1
204 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel4"
205 start_lttng_tracing_ok
$SESSION_NAME
207 $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT &
208 ok $?
"Start application to trace"
211 stop_lttng_tracing_ok
$SESSION_NAME
212 trace_match_only
$EVENT_NAME $
[NR_ITER
* 5] $TRACE_PATH
215 destroy_lttng_session_ok
$SESSION_NAME
220 # MUST set TESTDIR before calling those functions
221 plan_tests
$NUM_TESTS
223 print_test_banner
"$TEST_DESC"
228 "test_after_multiple_apps"
229 "test_before_multiple_apps"
230 "test_multiple_channels"
233 TEST_COUNT
=${#TESTS[@]}
238 while [ $i -lt $TEST_COUNT ]; do
239 TRACE_PATH
=$
(mktemp
-d)