3 # Copyright (C) - 2013 Christian Babeux <christian.babeux@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
18 TEST_DESC
="Tracefile count limits"
21 TESTDIR
=$CURDIR/..
/..
/..
23 TESTAPP_PATH
="$TESTDIR/utils/testapp"
24 TESTAPP_NAME
="gen-ust-events"
25 TESTAPP_BIN
="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
27 STATS_BIN
="$TESTDIR/utils/babelstats.pl"
30 source $TESTDIR/utils
/utils.sh
32 if [ ! -x "$TESTAPP_BIN" ]; then
33 BAIL_OUT
"No UST events binary detected."
38 while [ -n "$(pidof $TESTAPP_NAME)" ]; do
41 pass
"Wait for applications to end"
44 function enable_lttng_channel_count_limit
()
48 tracefile_count_limit
="$3"
50 test_name
="Enable channel $channel_name "
51 test_name
+="for session $sess_name: "
52 test_name
+="$tracefile_count_limit tracefiles"
54 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-channel \
55 -u $channel_name -s $sess_name \
56 -C 4096 -W $tracefile_count_limit \
57 --overwrite >/dev
/null
2>&1
62 function enable_ust_lttng_event_per_channel
()
68 test_name
="Enable event $event_name "
69 test_name
+="for session $sess_name "
70 test_name
+="in channel $channel_name"
72 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
"$event_name" \
73 -s $sess_name -u -c $channel_name >/dev
/null
2>&1
78 function validate_min_max
85 echo $stats |
grep -q -E "$field $expected_min $expected_max"
89 function validate_file_count
93 expected_max_count
="$3"
95 count
=`find $path -name "$file_pattern" -type f | wc -l`
97 if [ "$count" -gt "$expected_max_count" ]; then
98 fail
"Validate file count: $file_pattern"
99 diag
"File count: $count expected: $expected_max_count"
101 pass
"Validate file count: $file_pattern"
105 function test_tracefile_count_limit
()
108 trace_path
=$
(mktemp
-d)
109 session_name
=$
(randstring
16 0)
110 channel_name
="channel"
111 event_name
="tp:tptest"
113 expected_max
=$
(($num_iter - 1))
115 diag
"Test tracefile count limit : $count_limit tracefiles"
117 create_lttng_session
$session_name $trace_path
119 enable_lttng_channel_count_limit \
120 $session_name $channel_name $count_limit
122 enable_ust_lttng_event_per_channel \
123 $session_name $event_name $channel_name
125 start_lttng_tracing
$session_name
127 $TESTAPP_BIN $num_iter >/dev
/null
2>&1 &
131 stop_lttng_tracing
$session_name
133 destroy_lttng_session
$session_name
135 # Validate tracing dir
139 for cpuno
in $
(seq 0 $
(($num_cpu - 1)))
141 validate_file_count \
142 $trace_path "${channel_name}_${cpuno}_*" $count_limit
145 # Validate tracing data
147 stats
=`babeltrace $trace_path | $STATS_BIN --tracepoint $event_name`
149 validate_min_max
"$stats" "intfield" "[0-9]+" "$expected_max"
150 ok $?
"Trace validation - intfield"
152 validate_min_max
"$stats" "netintfield" "[0-9]+" "$expected_max"
153 ok $?
"Trace validation - netintfield"
155 validate_min_max
"$stats" "longfield" "[0-9]+" "$expected_max"
156 ok $?
"Trace validation - longfield"
161 plan_tests
$NUM_TESTS
163 print_test_banner
"$TEST_DESC"
167 LIMITS
=("1" "2" "4" "8" "10" "16" "32" "64")
169 for limit
in ${LIMITS[@]};
171 test_tracefile_count_limit
$limit