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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) | |
d0f10e08 | 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 $sess_name" | |
42 | } | |
43 | ||
44 | function check_sessiond() | |
45 | { | |
46 | if [ -z "$(pidof lt-lttng-sessiond)" ]; then | |
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 | { | |
60 | local SESSIOND_BIN="lttng-sessiond" | |
61 | ||
62 | validate_kernel_version | |
63 | if [ $? -ne 0 ]; then | |
64 | fail "Start session daemon" | |
65 | BAIL_OUT "*** Kernel too old for session daemon tests ***" | |
66 | fi | |
67 | ||
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. | |
d4607bc6 | 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" >$LOG_FILE 2>&1 |
605ac758 | 72 | status=$? |
605ac758 DG |
73 | ok $status "Start session daemon" |
74 | fi | |
75 | } | |
76 | ||
77 | test_stress() | |
78 | { | |
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 | |
82 | check_sessiond | |
83 | enable_channel_per_uid $SESSION_NAME-$a $CHANNEL_NAME | |
84 | check_sessiond | |
85 | enable_ust_lttng_event $SESSION_NAME-$a $EVENT_NAME | |
86 | check_sessiond | |
87 | start_lttng_tracing $SESSION_NAME-$a | |
88 | check_sessiond | |
89 | done | |
90 | ||
91 | for a in $(seq 1 $NR_SESSION); do | |
92 | stop_lttng_tracing $SESSION_NAME-$a | |
93 | check_sessiond | |
94 | destroy_lttng_session $SESSION_NAME-$a | |
95 | check_sessiond | |
96 | done | |
97 | done | |
98 | ||
99 | return 0 | |
100 | } | |
101 | ||
102 | function cleanup() | |
103 | { | |
104 | diag "Cleaning up!" | |
d0f10e08 MD |
105 | for p in ${APPS_PID}; do |
106 | kill -s SIGKILL ${p} | |
107 | wait ${p} 2>/dev/null | |
108 | done | |
109 | APPS_PID= | |
605ac758 DG |
110 | stop_lttng_sessiond |
111 | } | |
112 | ||
113 | function sighandler() | |
114 | { | |
115 | cleanup | |
116 | rm $LOG_FILE | |
117 | exit 1 | |
118 | } | |
119 | ||
120 | trap sighandler SIGINT | |
d0f10e08 | 121 | trap sighandler SIGTERM |
605ac758 DG |
122 | |
123 | # Make sure we collect a coredump if possible. | |
124 | ulimit -c unlimited | |
125 | ||
126 | # MUST set TESTDIR before calling those functions | |
127 | plan_tests $NUM_TESTS | |
128 | ||
129 | print_test_banner "$TEST_DESC" | |
130 | ||
131 | start_sessiond | |
132 | ||
133 | diag "Starting applications" | |
134 | ||
135 | # Start NR_APP applications script that will spawn apps non stop. | |
136 | ./$TESTDIR/stress/$LAUNCH_APP $NR_APP & | |
d0f10e08 | 137 | APPS_PID="${APPS_PID} ${!}" |
605ac758 DG |
138 | |
139 | TRACE_PATH=$(mktemp -d) | |
140 | ||
141 | test_stress | |
142 | out=$? | |
143 | if [ $out -ne 0 ]; then | |
144 | cleanup | |
145 | exit $out | |
146 | fi | |
147 | ||
148 | cleanup | |
149 | rm -rf $TRACE_PATH | |
150 | rm $LOG_FILE | |
151 | exit 0 |