tests: invoke full_cleanup from script trap handlers, use modprobe -r
[lttng-tools.git] / tests / stress / test_multi_sessions_per_uid_10app
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1#!/bin/bash
2#
3# Copyright (C) - 2013 David Goulet <dgoulet@efficios.com>
4#
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.
8# details.
9#
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
13
14
15CURDIR=$(dirname $0)/
16TESTDIR=$CURDIR/..
17LAUNCH_APP="launch_ust_app"
18SESSION_NAME="stress"
19EVENT_NAME="tp:tptest"
20LOG_FILE="sessiond.log"
21CHANNEL_NAME="channel0"
22NUM_TESTS=16
23NR_APP=10
24NR_SESSION=5
25NR_LOOP=1000
26COREDUMP_FILE=$(cat /proc/sys/kernel/core_pattern)
7e635e71 27APPS_PID=
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28
29TEST_DESC="Stress test - $NR_SESSION sessions per UID with $NR_APP apps"
30
31source $TESTDIR/utils/utils.sh
32
33# MUST set TESTDIR before calling those functions
34
35function enable_channel_per_uid()
36{
37 local sess_name=$1
38 local channel_name=$2
39
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 $sess_name"
42}
43
44function check_sessiond()
45{
db7b260c 46 if [ -z "$(pgrep --full lt-lttng-sessiond)" ]; then
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47 local str_date=$(date +%H%M%S-%d%m%Y)
48
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
53 fi
54 exit 1
55 fi
56}
57
58function start_sessiond()
59{
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60 validate_kernel_version
61 if [ $? -ne 0 ]; then
62 fail "Start session daemon"
63 BAIL_OUT "*** Kernel too old for session daemon tests ***"
64 fi
65
db7b260c 66 if [ -z $(pgrep --full lt-$SESSIOND_BIN) ]; then
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67 # We have to start it like this so the ulimit -c is used by this
68 # process. Also, we collect any error message printed out.
0fc2834c 69 $TESTDIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --quiet --background --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE 2>&1
605ac758 70 status=$?
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71 ok $status "Start session daemon"
72 fi
73}
74
75test_stress()
76{
77 for b in $(seq 1 $NR_LOOP); do
78 for a in $(seq 1 $NR_SESSION); do
bf6ae429 79 create_lttng_session_ok $SESSION_NAME-$a $TRACE_PATH
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80 check_sessiond
81 enable_channel_per_uid $SESSION_NAME-$a $CHANNEL_NAME
82 check_sessiond
c4926bb5 83 enable_ust_lttng_event_ok $SESSION_NAME-$a $EVENT_NAME
605ac758 84 check_sessiond
e563bbdb 85 start_lttng_tracing_ok $SESSION_NAME-$a
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86 check_sessiond
87 done
88
89 for a in $(seq 1 $NR_SESSION); do
96340a01 90 stop_lttng_tracing_ok $SESSION_NAME-$a
605ac758 91 check_sessiond
67b4c664 92 destroy_lttng_session_ok $SESSION_NAME-$a
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93 check_sessiond
94 done
95 done
96
97 return 0
98}
99
100function cleanup()
101{
102 diag "Cleaning up!"
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103 for p in ${APPS_PID}; do
104 kill -s SIGKILL ${p}
105 wait ${p} 2>/dev/null
106 done
107 APPS_PID=
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108 stop_lttng_sessiond
109}
110
111function sighandler()
112{
113 cleanup
114 rm $LOG_FILE
3be453c9 115 full_cleanup
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116}
117
3be453c9 118trap sighandler SIGINT SIGTERM
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119
120# Make sure we collect a coredump if possible.
121ulimit -c unlimited
122
123# MUST set TESTDIR before calling those functions
124plan_tests $NUM_TESTS
125
126print_test_banner "$TEST_DESC"
127
128start_sessiond
129
130diag "Starting applications"
131
132# Start NR_APP applications script that will spawn apps non stop.
133./$TESTDIR/stress/$LAUNCH_APP $NR_APP &
7e635e71 134APPS_PID="${APPS_PID} ${!}"
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135
136TRACE_PATH=$(mktemp -d)
137
138test_stress
139out=$?
140if [ $out -ne 0 ]; then
141 cleanup
142 exit $out
143fi
144
145cleanup
146rm -rf $TRACE_PATH
147rm $LOG_FILE
148exit 0
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