3 # Copyright (C) - 2013 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.
10 # You should have received a copy of the GNU Lesser General Public License
11 # along with this library; if not, write to the Free Software Foundation, Inc.,
12 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 LAUNCH_APP
="launch_ust_app"
19 EVENT_NAME
="tp:tptest"
20 LOG_FILE
="sessiond.log"
21 CHANNEL_NAME
="channel0"
26 COREDUMP_FILE
=$
(cat /proc
/sys
/kernel
/core_pattern
)
29 TEST_DESC
="Stress test - $NR_SESSION sessions per UID with $NR_APP apps"
31 source $TESTDIR/utils
/utils.sh
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 $sess_name"
44 function check_sessiond
()
46 if [ -z "$(pidof lt-lttng-sessiond)" ]; then
47 local str_date
=$
(date +%H
%M
%S-
%d
%m
%Y
)
49 diag
"!!!The session daemon died unexpectedly!!!"
50 mv $LOG_FILE $LOG_FILE-$str_date
51 if [ -e $COREDUMP_FILE ]; then
52 mv $COREDUMP_FILE $COREDUMP_FILE-$str_date
58 function start_sessiond
()
60 local SESSIOND_BIN
="lttng-sessiond"
62 validate_kernel_version
64 fail
"Start session daemon"
65 BAIL_OUT
"*** Kernel too old for session daemon tests ***"
68 if [ -z $
(pidof lt-
$SESSIOND_BIN) ]; then
69 # We have to start it like this so the ulimit -c is used by this
70 # process. Also, we collect any error message printed out.
71 $TESTDIR/..
/src
/bin
/lttng-sessiond
/$SESSIOND_BIN --quiet --background --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE 2>&1
73 ok
$status "Start session daemon"
79 for b
in $
(seq 1 $NR_LOOP); do
80 for a
in $
(seq 1 $NR_SESSION); do
81 create_lttng_session
$SESSION_NAME-$a $TRACE_PATH
83 enable_channel_per_uid
$SESSION_NAME-$a $CHANNEL_NAME
85 enable_ust_lttng_event
$SESSION_NAME-$a $EVENT_NAME
87 start_lttng_tracing
$SESSION_NAME-$a
91 for a
in $
(seq 1 $NR_SESSION); do
92 stop_lttng_tracing
$SESSION_NAME-$a
94 destroy_lttng_session
$SESSION_NAME-$a
105 for p
in ${APPS_PID}; do
107 wait ${p} 2>/dev
/null
113 function sighandler
()
120 trap sighandler SIGINT
121 trap sighandler SIGTERM
123 # Make sure we collect a coredump if possible.
126 # MUST set TESTDIR before calling those functions
127 plan_tests
$NUM_TESTS
129 print_test_banner
"$TEST_DESC"
133 diag
"Starting applications"
135 # Start NR_APP applications script that will spawn apps non stop.
136 .
/$TESTDIR/stress
/$LAUNCH_APP $NR_APP &
137 APPS_PID
="${APPS_PID} ${!}"
139 TRACE_PATH
=$
(mktemp
-d)
143 if [ $out -ne 0 ]; then
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