Commit | Line | Data |
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605ac758 DG |
1 | #!/bin/bash |
2 | # | |
9d16b343 | 3 | # Copyright (C) 2013 David Goulet <dgoulet@efficios.com> |
605ac758 | 4 | # |
9d16b343 | 5 | # SPDX-License-Identifier: LGPL-2.1-only |
605ac758 | 6 | # |
605ac758 DG |
7 | |
8 | CURDIR=$(dirname $0)/ | |
9 | TESTDIR=$CURDIR/.. | |
10 | LAUNCH_APP="launch_ust_app" | |
11 | SESSION_NAME="stress" | |
12 | EVENT_NAME="tp:tptest" | |
13 | LOG_FILE="sessiond.log" | |
14 | CHANNEL_NAME="channel0" | |
15 | NUM_TESTS=16 | |
16 | NR_APP=10 | |
17 | NR_SESSION=5 | |
18 | NR_LOOP=1000 | |
19 | COREDUMP_FILE=$(cat /proc/sys/kernel/core_pattern) | |
7e635e71 | 20 | APPS_PID= |
605ac758 DG |
21 | |
22 | TEST_DESC="Stress test - $NR_SESSION sessions per UID with $NR_APP apps" | |
23 | ||
24 | source $TESTDIR/utils/utils.sh | |
25 | ||
26 | # MUST set TESTDIR before calling those functions | |
27 | ||
28 | function enable_channel_per_uid() | |
29 | { | |
30 | local sess_name=$1 | |
31 | local channel_name=$2 | |
32 | ||
33 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name >/dev/null 2>&1 | |
34 | ok $? "Enable channel $channel_name per UID for session $sess_name" | |
35 | } | |
36 | ||
37 | function check_sessiond() | |
38 | { | |
7cb78e2f | 39 | if [ -z "$(lttng_pgrep lt-lttng-sessiond)" ]; then |
605ac758 DG |
40 | local str_date=$(date +%H%M%S-%d%m%Y) |
41 | ||
42 | diag "!!!The session daemon died unexpectedly!!!" | |
43 | mv $LOG_FILE $LOG_FILE-$str_date | |
44 | if [ -e $COREDUMP_FILE ]; then | |
45 | mv $COREDUMP_FILE $COREDUMP_FILE-$str_date | |
46 | fi | |
47 | exit 1 | |
48 | fi | |
49 | } | |
50 | ||
51 | function start_sessiond() | |
52 | { | |
605ac758 DG |
53 | validate_kernel_version |
54 | if [ $? -ne 0 ]; then | |
55 | fail "Start session daemon" | |
56 | BAIL_OUT "*** Kernel too old for session daemon tests ***" | |
57 | fi | |
58 | ||
7cb78e2f | 59 | if [ -z $(lttng_pgrep lt-$SESSIOND_BIN) ]; then |
605ac758 DG |
60 | # We have to start it like this so the ulimit -c is used by this |
61 | # process. Also, we collect any error message printed out. | |
0fc2834c | 62 | $TESTDIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --quiet --background --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE 2>&1 |
605ac758 | 63 | status=$? |
605ac758 DG |
64 | ok $status "Start session daemon" |
65 | fi | |
66 | } | |
67 | ||
68 | test_stress() | |
69 | { | |
70 | for b in $(seq 1 $NR_LOOP); do | |
71 | for a in $(seq 1 $NR_SESSION); do | |
bf6ae429 | 72 | create_lttng_session_ok $SESSION_NAME-$a $TRACE_PATH |
605ac758 DG |
73 | check_sessiond |
74 | enable_channel_per_uid $SESSION_NAME-$a $CHANNEL_NAME | |
75 | check_sessiond | |
c4926bb5 | 76 | enable_ust_lttng_event_ok $SESSION_NAME-$a $EVENT_NAME |
605ac758 | 77 | check_sessiond |
e563bbdb | 78 | start_lttng_tracing_ok $SESSION_NAME-$a |
605ac758 DG |
79 | check_sessiond |
80 | done | |
81 | ||
82 | for a in $(seq 1 $NR_SESSION); do | |
96340a01 | 83 | stop_lttng_tracing_ok $SESSION_NAME-$a |
605ac758 | 84 | check_sessiond |
67b4c664 | 85 | destroy_lttng_session_ok $SESSION_NAME-$a |
605ac758 DG |
86 | check_sessiond |
87 | done | |
88 | done | |
89 | ||
90 | return 0 | |
91 | } | |
92 | ||
93 | function cleanup() | |
94 | { | |
95 | diag "Cleaning up!" | |
7e635e71 MD |
96 | for p in ${APPS_PID}; do |
97 | kill -s SIGKILL ${p} | |
98 | wait ${p} 2>/dev/null | |
99 | done | |
100 | APPS_PID= | |
605ac758 DG |
101 | stop_lttng_sessiond |
102 | } | |
103 | ||
104 | function sighandler() | |
105 | { | |
106 | cleanup | |
107 | rm $LOG_FILE | |
3be453c9 | 108 | full_cleanup |
605ac758 DG |
109 | } |
110 | ||
3be453c9 | 111 | trap sighandler SIGINT SIGTERM |
605ac758 DG |
112 | |
113 | # Make sure we collect a coredump if possible. | |
114 | ulimit -c unlimited | |
115 | ||
116 | # MUST set TESTDIR before calling those functions | |
117 | plan_tests $NUM_TESTS | |
118 | ||
119 | print_test_banner "$TEST_DESC" | |
120 | ||
121 | start_sessiond | |
122 | ||
123 | diag "Starting applications" | |
124 | ||
125 | # Start NR_APP applications script that will spawn apps non stop. | |
126 | ./$TESTDIR/stress/$LAUNCH_APP $NR_APP & | |
7e635e71 | 127 | APPS_PID="${APPS_PID} ${!}" |
605ac758 | 128 | |
7539dcec | 129 | TRACE_PATH=$(mktemp --tmpdir -d -t tmp.test_multi_sess_per_uid_10app.XXXXXX) |
605ac758 DG |
130 | |
131 | test_stress | |
132 | out=$? | |
133 | if [ $out -ne 0 ]; then | |
134 | cleanup | |
135 | exit $out | |
136 | fi | |
137 | ||
138 | cleanup | |
139 | rm -rf $TRACE_PATH | |
140 | rm $LOG_FILE | |
141 | exit 0 |