3 # Copyright (C) - 2012 David Goulet <dgoulet@efficios.com>
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.
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
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 - Tracing with per UID buffers and periodical flush"
20 TESTDIR
=$CURDIR/..
/..
/..
22 SESSION_NAME
="periodical-flush"
23 EVENT_NAME
="ust_gen_nevents:tptest"
24 BIN_NAME
="gen-nevents"
27 source $TESTDIR/utils
/utils.sh
29 if [ ! -x "$CURDIR/gen-nevents" ]; then
30 BAIL_OUT
"No UST nevents binary detected."
33 # MUST set TESTDIR before calling those functions
35 function enable_channel_per_uid
()
40 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-channel
--buffers-uid -u $channel_name -s $sess_name >/dev
/null
2>&1
41 ok $?
"Enable channel $channel_name per UID for session $sess_name"
44 function enable_metadata_per_uid
()
47 local channel_name
="metadata"
49 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-channel
--buffers-uid -u $channel_name -s $sess_name --switch-timer 200000 >/dev
/null
2>&1
50 ok $?
"Enable channel $channel_name per UID for session $sess_name"
53 function enable_metadata_per_pid
()
56 local channel_name
="metadata"
58 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-channel
--buffers-pid -u $channel_name -s $sess_name --switch-timer 200000 >/dev
/null
2>&1
59 ok $?
"Enable channel $channel_name per PID for session $sess_name"
64 diag
"Waiting for applications to end..."
65 while [ -n "$(pidof $BIN_NAME)" ]; do
70 test_after_app_pid
() {
73 diag
"Start application AFTER tracing is started"
75 # BEFORE application is spawned
76 create_lttng_session
$SESSION_NAME $TRACE_PATH
77 enable_metadata_per_pid
$SESSION_NAME
78 enable_ust_lttng_channel
$SESSION_NAME "channel0"
79 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME
80 start_lttng_tracing
$SESSION_NAME
82 .
/$CURDIR/$BIN_NAME $NR_ITER
83 ok $?
"Start application to trace"
85 stop_lttng_tracing
$SESSION_NAME
86 destroy_lttng_session
$SESSION_NAME
88 trace_matches
$EVENT_NAME $NR_ITER $TRACE_PATH
93 test_before_app_pid
() {
96 diag
"Start application BEFORE tracing is started"
98 .
/$CURDIR/$BIN_NAME $NR_ITER &
99 ok $?
"Start application to trace"
101 # BEFORE application is spawned
102 create_lttng_session
$SESSION_NAME $TRACE_PATH
103 enable_metadata_per_pid
$SESSION_NAME
104 enable_ust_lttng_channel
$SESSION_NAME "channel0"
105 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME
106 start_lttng_tracing
$SESSION_NAME
108 # At least hit one event
111 stop_lttng_tracing
$SESSION_NAME
112 destroy_lttng_session
$SESSION_NAME
114 out
=$
(babeltrace
$TRACE_PATH |
grep $EVENT_NAME |
wc -l)
115 if [ $out -eq 0 ]; then
116 fail
"Trace validation"
117 diag
"No event(s) found. We are supposed to have at least one."
120 pass
"Trace validation"
121 diag
"Found $out event(s). Coherent."
130 test_after_app_uid
() {
133 diag
"Start application AFTER tracing is started"
135 # BEFORE application is spawned
136 create_lttng_session
$SESSION_NAME $TRACE_PATH
137 enable_metadata_per_uid
$SESSION_NAME
138 enable_channel_per_uid
$SESSION_NAME "channel0"
139 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME
140 start_lttng_tracing
$SESSION_NAME
142 .
/$CURDIR/$BIN_NAME $NR_ITER
143 ok $?
"Start application to trace"
145 stop_lttng_tracing
$SESSION_NAME
146 destroy_lttng_session
$SESSION_NAME
148 trace_matches
$EVENT_NAME $NR_ITER $TRACE_PATH
153 test_before_app_uid
() {
156 diag
"Start application BEFORE tracing is started"
158 .
/$CURDIR/$BIN_NAME $NR_ITER &
159 ok $?
"Start application to trace"
161 # BEFORE application is spawned
162 create_lttng_session
$SESSION_NAME $TRACE_PATH
163 enable_metadata_per_uid
$SESSION_NAME
164 enable_channel_per_uid
$SESSION_NAME "channel0"
165 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME
166 start_lttng_tracing
$SESSION_NAME
168 # At least hit one event
171 stop_lttng_tracing
$SESSION_NAME
172 destroy_lttng_session
$SESSION_NAME
174 out
=$
(babeltrace
$TRACE_PATH |
grep $EVENT_NAME |
wc -l)
175 if [ $out -eq 0 ]; then
176 fail
"Trace validation"
177 diag
"No event(s) found. We are supposed to have at least one."
180 pass
"Trace validation"
181 diag
"Found $out event(s). Coherent."
190 # MUST set TESTDIR before calling those functions
191 plan_tests
$NUM_TESTS
193 print_test_banner
"$TEST_DESC"
196 "test_before_app_uid"
198 "test_before_app_pid"
202 TEST_COUNT
=${#TESTS[@]}
207 while [ $i -lt $TEST_COUNT ]; do
208 TRACE_PATH
=$
(mktemp
-d)
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