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605ac758 DG |
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 | ||
15 | CURDIR=$(dirname $0)/ | |
16 | TESTDIR=$CURDIR/.. | |
17 | LAUNCH_APP="launch_ust_app" | |
18 | SESSION_NAME="stress" | |
19 | EVENT_NAME="tp:tptest" | |
20 | LOG_FILE="sessiond.log" | |
21 | CHANNEL_NAME="channel0" | |
22 | NUM_TESTS=16 | |
23 | NR_APP=10 | |
24 | NR_SESSION=5 | |
25 | NR_LOOP=1000 | |
26 | COREDUMP_FILE=$(cat /proc/sys/kernel/core_pattern) | |
7e635e71 | 27 | APPS_PID= |
605ac758 DG |
28 | |
29 | TEST_DESC="Stress test - $NR_SESSION sessions per UID with $NR_APP apps" | |
30 | ||
31 | source $TESTDIR/utils/utils.sh | |
32 | ||
33 | # MUST set TESTDIR before calling those functions | |
34 | ||
35 | function 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 $sess_name" | |
42 | } | |
43 | ||
44 | function check_sessiond() | |
45 | { | |
db7b260c | 46 | if [ -z "$(pgrep --full lt-lttng-sessiond)" ]; then |
605ac758 DG |
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 | ||
58 | function start_sessiond() | |
59 | { | |
605ac758 DG |
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 |
605ac758 DG |
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" >$LOG_FILE 2>&1 |
605ac758 | 70 | status=$? |
605ac758 DG |
71 | ok $status "Start session daemon" |
72 | fi | |
73 | } | |
74 | ||
75 | test_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 |
605ac758 DG |
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 |
605ac758 DG |
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 |
605ac758 DG |
93 | check_sessiond |
94 | done | |
95 | done | |
96 | ||
97 | return 0 | |
98 | } | |
99 | ||
100 | function cleanup() | |
101 | { | |
102 | diag "Cleaning up!" | |
7e635e71 MD |
103 | for p in ${APPS_PID}; do |
104 | kill -s SIGKILL ${p} | |
105 | wait ${p} 2>/dev/null | |
106 | done | |
107 | APPS_PID= | |
605ac758 DG |
108 | stop_lttng_sessiond |
109 | } | |
110 | ||
111 | function sighandler() | |
112 | { | |
113 | cleanup | |
114 | rm $LOG_FILE | |
3be453c9 | 115 | full_cleanup |
605ac758 DG |
116 | } |
117 | ||
3be453c9 | 118 | trap sighandler SIGINT SIGTERM |
605ac758 DG |
119 | |
120 | # Make sure we collect a coredump if possible. | |
121 | ulimit -c unlimited | |
122 | ||
123 | # MUST set TESTDIR before calling those functions | |
124 | plan_tests $NUM_TESTS | |
125 | ||
126 | print_test_banner "$TEST_DESC" | |
127 | ||
128 | start_sessiond | |
129 | ||
130 | diag "Starting applications" | |
131 | ||
132 | # Start NR_APP applications script that will spawn apps non stop. | |
133 | ./$TESTDIR/stress/$LAUNCH_APP $NR_APP & | |
7e635e71 | 134 | APPS_PID="${APPS_PID} ${!}" |
605ac758 DG |
135 | |
136 | TRACE_PATH=$(mktemp -d) | |
137 | ||
138 | test_stress | |
139 | out=$? | |
140 | if [ $out -ne 0 ]; then | |
141 | cleanup | |
142 | exit $out | |
143 | fi | |
144 | ||
145 | cleanup | |
146 | rm -rf $TRACE_PATH | |
147 | rm $LOG_FILE | |
148 | exit 0 |