3 # Copyright (C) - 2013 Julien Desfossez <jdesfossez@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
="Snapshots - UST tracing"
20 TESTDIR
=$CURDIR/..
/..
/..
21 EVENT_NAME
="tp:tptest"
22 BIN_NAME
="gen-nevents"
25 CHANNEL_NAME
="snapchan"
26 TESTAPP_PATH
="$TESTDIR/utils/testapp"
27 TESTAPP_NAME
="gen-ust-events"
28 TESTAPP_BIN
="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
32 TRACE_PATH
=$
(mktemp
-d)
36 source $TESTDIR/utils
/utils.sh
38 if [ ! -x "$TESTAPP_BIN" ]; then
39 BAIL_OUT
"No UST events binary detected."
42 function test_ust_local_snapshot
()
44 diag
"Test local UST snapshots"
45 create_lttng_session_no_output
$SESSION_NAME
46 enable_lttng_mmap_overwrite_ust_channel
$SESSION_NAME $CHANNEL_NAME
47 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME $CHANNEL_NAME
48 start_lttng_tracing
$SESSION_NAME
49 lttng_snapshot_add_output
$SESSION_NAME $TRACE_PATH
50 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
51 ok $?
"Start application to trace"
52 lttng_snapshot_record
$SESSION_NAME
53 stop_lttng_tracing
$SESSION_NAME
54 destroy_lttng_session
$SESSION_NAME
57 validate_trace
$EVENT_NAME $TRACE_PATH/
59 # Only delete if successful
64 diag
"Killing $TESTAPP_NAME"
65 PID_APP
=`pidof $TESTAPP_NAME`
66 kill $PID_APP >/dev
/null
2>&1
69 function enable_channel_per_uid_mmap_overwrite
()
74 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-channel
--buffers-uid -u $channel_name -s $sess_name --output mmap
--overwrite >/dev
/null
2>&1
75 ok $?
"Enable channel $channel_name per UID for session $sess_name"
78 function test_ust_per_uid_local_snapshot
()
80 diag
"Test local UST snapshots"
81 create_lttng_session_no_output
$SESSION_NAME
82 enable_channel_per_uid_mmap_overwrite
$SESSION_NAME $CHANNEL_NAME
83 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME $CHANNEL_NAME
84 start_lttng_tracing
$SESSION_NAME
85 lttng_snapshot_add_output
$SESSION_NAME $TRACE_PATH
86 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
87 ok $?
"Start application to trace"
88 lttng_snapshot_record
$SESSION_NAME
89 stop_lttng_tracing
$SESSION_NAME
90 destroy_lttng_session
$SESSION_NAME
93 validate_trace
$EVENT_NAME $TRACE_PATH/
95 # Only delete if successful
100 diag
"Killing $TESTAPP_NAME"
101 PID_APP
=`pidof $TESTAPP_NAME`
102 kill $PID_APP >/dev
/null
2>&1
105 function test_ust_1000_local_snapshots
()
109 diag
"Test $NB_SNAP local UST snapshots"
110 create_lttng_session_no_output
$SESSION_NAME
111 enable_lttng_mmap_overwrite_ust_channel
$SESSION_NAME $CHANNEL_NAME
112 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME $CHANNEL_NAME
113 start_lttng_tracing
$SESSION_NAME
114 lttng_snapshot_add_output
$SESSION_NAME $TRACE_PATH
115 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
116 for i
in $
(seq 1 $NB_SNAP); do
117 diag
"Snapshot $i/$NB_SNAP"
118 rm -rf $TRACE_PATH/snapshot
/* 2>/dev
/null
119 lttng_snapshot_record
$SESSION_NAME
121 validate_trace
$EVENT_NAME $TRACE_PATH/
122 if [ $?
-eq 0 ]; then
123 # Only delete if successful
129 stop_lttng_tracing
$SESSION_NAME
130 destroy_lttng_session
$SESSION_NAME
131 diag
"Killing $TESTAPP_NAME"
132 PID_APP
=`pidof $TESTAPP_NAME`
133 # kill $PID_APP >/dev/null 2>&1
136 plan_tests
$NUM_TESTS
138 print_test_banner
"$TEST_DESC"
140 if [ "$(id -u)" == "0" ]; then
148 tests
=( test_ust_local_snapshot test_ust_per_uid_local_snapshot test_ust_1000_local_snapshots
)
150 for fct_test
in ${tests[@]};
152 SESSION_NAME
=$
(randstring
16 0)