tests/regression/ust/multi-session/test_multi_session

   1 #!/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 TEST_DESC="UST tracer - Multi-session"
  18
  19 CURDIR=$(dirname $0)/
  20 TESTDIR=$CURDIR/../../..
  21 NR_ITER=100
  22 SESSION_NAME="multi-session"
  23 EVENT_NAME="ust_gen_nevents:tptest"
  24
  25 source $TESTDIR/utils/utils.sh
  26
  27 print_test_banner "$TEST_DESC"
  28
  29 if [ ! -x "$CURDIR/gen-nevents" ]; then
  30         echo -e "No UST nevents binary detected. Passing."
  31         exit 0
  32 fi
  33
  34 # MUST set TESTDIR before calling those functions
  35
  36 test_multi_session() {
  37         local out
  38
  39         # BEFORE application is spawned
  40         for i in `seq 0 3`; do
  41                 create_lttng_session "$SESSION_NAME-$i" "$TRACE_PATH/$i"
  42                 enable_ust_lttng_event "$SESSION_NAME-$i" "$EVENT_NAME$i"
  43                 start_lttng_tracing "$SESSION_NAME-$i"
  44         done
  45
  46         echo -n "Starting application generating $NR_ITER events... "
  47         ./$CURDIR/gen-nevents $NR_ITER &
  48         print_ok
  49
  50         # At least hit one event
  51         echo -n "Waiting for events to record "
  52         while [ -n "$(pidof gen-nevents)" ]; do
  53                 echo -n "."
  54                 sleep 0.1
  55         done
  56         print_ok
  57
  58         for i in `seq 0 3`; do
  59                 stop_lttng_tracing "$SESSION_NAME-$i"
  60                 destroy_lttng_session "$SESSION_NAME-$i"
  61                 out=$(babeltrace "$TRACE_PATH/$i" | grep "$EVENT_NAMEi$i" | wc -l)
  62                 if [ $out -ne $NR_ITER ]; then
  63                         echo -n "No event found. Suppose to have at least one... "
  64                         print_fail
  65                         out=1
  66                 else
  67                         echo -n "Found $out event(s) for $SESSION_NAME-$i. Coherent... "
  68                         print_ok
  69                         out=0
  70                 fi
  71         done
  72
  73         return $out
  74 }
  75
  76 # MUST set TESTDIR before calling those functions
  77
  78 start_lttng_sessiond
  79
  80 TRACE_PATH=$(mktemp -d)
  81
  82 test_multi_session
  83 out=$?
  84 if [ $out -ne 0 ]; then
  85         stop_lttng_sessiond
  86         exit $out
  87 fi
  88
  89 stop_lttng_sessiond
  90
  91 rm -rf "$TRACE_PATH"