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 function validate_kernel_version ()
  28 {
  29         kern_version=($(uname -r | awk -F. '{ printf("%d.%d.%d\n",$1,$2,$3); }' | tr '.' '\n'))
  30         if [ ${kern_version[0]} -gt $KERNEL_MAJOR_VERSION ]; then
  31                 return 0
  32         fi
  33         if [ ${kern_version[1]} -gt $KERNEL_MINOR_VERSION ]; then
  34                 return 0
  35         fi
  36         if [ ${kern_version[2]} -ge $KERNEL_PATCHLEVEL_VERSION ]; then
  37                 return 0
  38         fi
  39         return 1
  40 }
  41
  42 function spawn_sessiond ()
  43 {
  44         echo ""
  45         echo -n "Starting session daemon... "
  46         validate_kernel_version
  47         if [ $? -ne 0 ]; then
  48                 echo -e "\n*** Kernel too old for session daemon tests ***\n"
  49                 return 2
  50         fi
  51
  52         DIR=$(readlink -f $TESTDIR)
  53
  54         if [ -z $(pidof lt-$SESSIOND_BIN) ]; then
  55                 $DIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --daemonize --quiet --consumerd32-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd"
  56                 if [ $? -eq 1 ]; then
  57                         echo -e "\e[1;31mFAILED\e[0m"
  58                         return 1
  59                 else
  60                         echo -e "\e[1;32mOK\e[0m"
  61                 fi
  62         fi
  63
  64         return 0
  65 }
  66
  67 function start_sessiond()
  68 {
  69         if [ -n $TEST_NO_SESSIOND ] && [ "$TEST_NO_SESSIOND" == "1" ]; then
  70                 # Env variable requested no session daemon
  71                 return
  72         fi
  73
  74         spawn_sessiond
  75         out=$?
  76         if [ $out -eq 2 ]; then
  77                 # Kernel version is not compatible.
  78                 exit 0
  79         elif [ $out -ne 0 ]; then
  80                 echo "NOT bad $?"
  81                 exit 1
  82         fi
  83
  84         # Simply wait for the session daemon bootstrap
  85         echo "Waiting for the session daemon to bootstrap (2 secs)"
  86         sleep 2
  87 }
  88
  89 function stop_sessiond ()
  90 {
  91         if [ -n $TEST_NO_SESSIOND ] && [ "$TEST_NO_SESSIOND" == "1" ]; then
  92                 # Env variable requested no session daemon
  93                 return
  94         fi
  95
  96         PID_SESSIOND=`pidof lt-$SESSIOND_BIN`
  97
  98         echo -e -n "Killing session daemon... "
  99         kill $PID_SESSIOND >/dev/null 2>&1
 100         if [ $? -eq 1 ]; then
 101                 echo -e "\e[1;31mFAILED\e[0m"
 102                 return 1
 103         else
 104                 out=1
 105                 while [ -n "$out" ]; do
 106                         out=$(pidof lt-$SESSIOND_BIN)
 107                         sleep 0.5
 108                 done
 109                 echo -e "\e[1;32mOK\e[0m"
 110         fi
 111 }
 112
 113 function create_lttng_session ()
 114 {
 115         sess_name=$1
 116         trace_path=$2
 117
 118         echo -n "Creating lttng session $sess_name in $trace_path "
 119         $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $sess_name -o $trace_path >/dev/null 2>&1
 120         if [ $? -eq 1 ]; then
 121                 echo -e "\e[1;31mFAILED\e[0m"
 122                 return 1
 123         else
 124                 echo -e "\e[1;32mOK\e[0m"
 125         fi
 126 }
 127
 128 function enable_lttng_channel()
 129 {
 130         sess_name=$1
 131         channel_name=$2
 132
 133         echo -n "Enabling lttng channel $channel_name for session $sess_name"
 134         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel $channel_name -s $sess_name >/dev/null 2>&1
 135         if [ $? -eq 1 ]; then
 136                 echo -e "\e[1;31mFAILED\e[0m"
 137                 return 1
 138         else
 139                 echo -e "\e[1;32mOK\e[0m"
 140         fi
 141 }
 142
 143 function disable_lttng_channel()
 144 {
 145         sess_name=$1
 146         channel_name=$2
 147
 148         echo -n "Disabling lttng channel $channel_name for session $sess_name"
 149         $TESTDIR/../src/bin/lttng/$LTTNG_BIN disable-channel $channel_name -s $sess_name >/dev/null 2>&1
 150         if [ $? -eq 1 ]; then
 151                 echo -e "\e[1;31mFAILED\e[0m"
 152                 return 1
 153         else
 154                 echo -e "\e[1;32mOK\e[0m"
 155         fi
 156 }
 157
 158 function enable_ust_lttng_event ()
 159 {
 160         sess_name=$1
 161         event_name=$2
 162
 163         echo -n "Enabling lttng event $event_name for session $sess_name "
 164         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $event_name -s $sess_name -u >/dev/null 2>&1
 165         if [ $? -eq 1 ]; then
 166                 echo -e '\e[1;31mFAILED\e[0m'
 167                 return 1
 168         else
 169                 echo -e "\e[1;32mOK\e[0m"
 170         fi
 171 }
 172
 173 function start_tracing ()
 174 {
 175         sess_name=$1
 176
 177         echo -n "Start lttng tracing for session $sess_name "
 178         $TESTDIR/../src/bin/lttng/$LTTNG_BIN start $sess_name >/dev/null 2>&1
 179         if [ $? -eq 1 ]; then
 180                 echo -e '\e[1;31mFAILED\e[0m'
 181                 return 1
 182         else
 183                 echo -e "\e[1;32mOK\e[0m"
 184         fi
 185 }
 186
 187 function stop_tracing ()
 188 {
 189         sess_name=$1
 190
 191         echo -n "Stop lttng tracing for session $sess_name "
 192         $TESTDIR/../src/bin/lttng/$LTTNG_BIN stop $sess_name >/dev/null 2>&1
 193         if [ $? -eq 1 ]; then
 194                 echo -e '\e[1;31mFAILED\e[0m'
 195                 return 1
 196         else
 197                 echo -e "\e[1;32mOK\e[0m"
 198         fi
 199 }
 200
 201 function destroy_lttng_session ()
 202 {
 203         sess_name=$1
 204
 205         echo -n "Destroy lttng session $sess_name "
 206         $TESTDIR/../src/bin/lttng/$LTTNG_BIN destroy $sess_name >/dev/null 2>&1
 207         if [ $? -eq 1 ]; then
 208                 echo -e '\e[1;31mFAILED\e[0m'
 209                 return 1
 210         else
 211                 echo -e "\e[1;32mOK\e[0m"
 212         fi
 213 }
 214
 215 function trace_matches ()
 216 {
 217         event_name=$1
 218         nr_iter=$2
 219         trace_path=$3
 220
 221         which $BABELTRACE_BIN >/dev/null
 222         if [ $? -eq 1 ]; then
 223                 echo "Babeltrace binary not found. Skipping trace matches"
 224                 return 0
 225         fi
 226
 227         echo -n "Looking for $nr_iter $event_name in $trace_path "
 228
 229         count=$($BABELTRACE_BIN $trace_path | grep $event_name | wc -l)
 230         if [ "$count" -ne "$nr_iter" ]; then
 231                 echo -e "$count found in trace \e[1;31mFAILED\e[0m"
 232                 return 1
 233         else
 234                 echo -e "Trace is coherent \e[1;32mOK\e[0m"
 235                 return 0
 236         fi
 237 }