| 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) |
| 27 | APPS_PID= |
| 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. |
| 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" >$LOG_FILE 2>&1 |
| 72 | status=$? |
| 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_ok $SESSION_NAME-$a $TRACE_PATH |
| 82 | check_sessiond |
| 83 | enable_channel_per_uid $SESSION_NAME-$a $CHANNEL_NAME |
| 84 | check_sessiond |
| 85 | enable_ust_lttng_event_ok $SESSION_NAME-$a $EVENT_NAME |
| 86 | check_sessiond |
| 87 | start_lttng_tracing_ok $SESSION_NAME-$a |
| 88 | check_sessiond |
| 89 | done |
| 90 | |
| 91 | for a in $(seq 1 $NR_SESSION); do |
| 92 | stop_lttng_tracing_ok $SESSION_NAME-$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!" |
| 105 | for p in ${APPS_PID}; do |
| 106 | kill -s SIGKILL ${p} |
| 107 | wait ${p} 2>/dev/null |
| 108 | done |
| 109 | APPS_PID= |
| 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 |
| 121 | trap sighandler SIGTERM |
| 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 $NR_APP & |
| 137 | APPS_PID="${APPS_PID} ${!}" |
| 138 | |
| 139 | TRACE_PATH=$(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 |