tests/utils.sh

   1 #!/src/bin/bash
   2 #
   3 # Copyright (C) - 2012 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 #
   9 # This library is distributed in the hope that it will be useful, but WITHOUT
  10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  11 # FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
  12 # details.
  13 #
  14 # You should have received a copy of the GNU Lesser General Public License
  15 # along with this library; if not, write to the Free Software Foundation, Inc.,
  16 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  17
  18 SESSIOND_BIN="lttng-sessiond"
  19 LTTNG_BIN="lttng"
  20 BABELTRACE_BIN="babeltrace"
  21
  22 # Minimal kernel version supported for session daemon tests
  23 KERNEL_MAJOR_VERSION=2
  24 KERNEL_MINOR_VERSION=6
  25 KERNEL_PATCHLEVEL_VERSION=27
  26
  27 alias realpath='readlink -f'
  28
  29 function validate_kernel_version ()
  30 {
  31         kern_version=($(uname -r | awk -F. '{ printf("%d.%d.%d\n",$1,$2,$3); }' | tr '.' '\n'))
  32         if [ ${kern_version[0]} -gt $KERNEL_MAJOR_VERSION ]; then
  33                 return 0
  34         fi
  35         if [ ${kern_version[1]} -gt $KERNEL_MINOR_VERSION ]; then
  36                 return 0
  37         fi
  38         if [ ${kern_version[2]} -ge $KERNEL_PATCHLEVEL_VERSION ]; then
  39                 return 0
  40         fi
  41         return 1
  42 }
  43
  44 function spawn_sessiond ()
  45 {
  46         echo ""
  47         echo -n "Starting session daemon... "
  48         validate_kernel_version
  49         if [ $? -ne 0 ]; then
  50                 echo -e "\n*** Kernel to old for session daemon tests ***\n"
  51                 return 2
  52         fi
  53
  54         DIR=$(realpath $TESTDIR)
  55
  56         if [ -z $(pidof lt-$SESSIOND_BIN) ]; then
  57                 $DIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --daemonize --quiet --consumerd32-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd"
  58                 if [ $? -eq 1 ]; then
  59                         echo -e "\e[1;31mFAILED\e[0m"
  60                         return 1
  61                 else
  62                         echo -e "\e[1;32mOK\e[0m"
  63                 fi
  64         fi
  65
  66         return 0
  67 }
  68
  69 function start_sessiond()
  70 {
  71         if [ -n $TEST_NO_SESSIOND ] && [ "$TEST_NO_SESSIOND" == "1" ]; then
  72                 # Env variable requested no session daemon
  73                 return
  74         fi
  75
  76         spawn_sessiond
  77         out=$?
  78         if [ $out -eq 2 ]; then
  79                 # Kernel version is not compatible.
  80                 exit 0
  81         elif [ $out -ne 0 ]; then
  82                 echo "NOT bad $?"
  83                 exit 1
  84         fi
  85
  86         # Simply wait for the session daemon bootstrap
  87         echo "Waiting for the session daemon to bootstrap (2 secs)"
  88         sleep 2
  89 }
  90
  91 function stop_sessiond ()
  92 {
  93         if [ -n $TEST_NO_SESSIOND ] && [ "$TEST_NO_SESSIOND" == "1" ]; then
  94                 # Env variable requested no session daemon
  95                 return
  96         fi
  97
  98         PID_SESSIOND=`pidof lt-$SESSIOND_BIN`
  99
 100         echo -e -n "Killing session daemon... "
 101         kill $PID_SESSIOND >/dev/null 2>&1
 102         if [ $? -eq 1 ]; then
 103                 echo -e "\e[1;31mFAILED\e[0m"
 104                 return 1
 105         else
 106                 echo -e "\e[1;32mOK\e[0m"
 107         fi
 108 }
 109
 110 function create_lttng_session ()
 111 {
 112         sess_name=$1
 113         trace_path=$2
 114
 115         echo -n "Creating lttng session $SESSION_NAME in $TRACE_PATH "
 116         $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $sess_name -o $trace_path >/dev/null 2>&1
 117         if [ $? -eq 1 ]; then
 118                 echo -e "\e[1;31mFAILED\e[0m"
 119                 return 1
 120         else
 121                 echo -e "\e[1;32mOK\e[0m"
 122                 #echo $out | grep "written in" | cut -d' ' -f6
 123         fi
 124 }
 125
 126 function enable_ust_lttng_event ()
 127 {
 128         sess_name=$1
 129         event_name=$2
 130
 131         echo -n "Enabling lttng event $event_name for session $sess_name "
 132         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $event_name -s $sess_name -u >/dev/null 2>&1
 133         if [ $? -eq 1 ]; then
 134                 echo -e '\e[1;31mFAILED\e[0m'
 135                 return 1
 136         else
 137                 echo -e "\e[1;32mOK\e[0m"
 138         fi
 139 }
 140
 141 function start_tracing ()
 142 {
 143         sess_name=$1
 144
 145         echo -n "Start lttng tracing for session $sess_name "
 146         $TESTDIR/../src/bin/lttng/$LTTNG_BIN start $sess_name >/dev/null 2>&1
 147         if [ $? -eq 1 ]; then
 148                 echo -e '\e[1;31mFAILED\e[0m'
 149                 return 1
 150         else
 151                 echo -e "\e[1;32mOK\e[0m"
 152         fi
 153 }
 154
 155 function stop_tracing ()
 156 {
 157         sess_name=$1
 158
 159         echo -n "Stop lttng tracing for session $sess_name "
 160         $TESTDIR/../src/bin/lttng/$LTTNG_BIN stop $sess_name >/dev/null 2>&1
 161         if [ $? -eq 1 ]; then
 162                 echo -e '\e[1;31mFAILED\e[0m'
 163                 return 1
 164         else
 165                 echo -e "\e[1;32mOK\e[0m"
 166         fi
 167 }
 168
 169 function destroy_lttng_session ()
 170 {
 171         sess_name=$1
 172
 173         echo -n "Destroy lttng session $sess_name "
 174         $TESTDIR/../src/bin/lttng/$LTTNG_BIN destroy $sess_name >/dev/null 2>&1
 175         if [ $? -eq 1 ]; then
 176                 echo -e '\e[1;31mFAILED\e[0m'
 177                 return 1
 178         else
 179                 echo -e "\e[1;32mOK\e[0m"
 180         fi
 181 }
 182
 183 function trace_matches ()
 184 {
 185         event_name=$1
 186         nr_iter=$2
 187         trace_path=$3
 188
 189         which $BABELTRACE_BIN >/dev/null
 190         if [ $? -eq 1 ]; then
 191                 echo "Babeltrace binary not found. Skipping trace matches"
 192                 return 0
 193         fi
 194
 195         echo -n "Looking for $nr_iter $event_name in $trace_path "
 196
 197         count=$($BABELTRACE_BIN $trace_path | grep $event_name | wc -l)
 198         if [ "$count" -ne "$nr_iter" ]; then
 199                 echo -e "$count found in trace \e[1;31mFAILED\e[0m"
 200                 return 1
 201         else
 202                 echo -e "Trace is coherent \e[1;32mOK\e[0m"
 203                 return 0
 204         fi
 205 }