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 NUM_TESTS=28
  25
  26 source $TESTDIR/utils/utils.sh
  27
  28 if [ ! -x "$CURDIR/gen-nevents" ]; then
  29         BAIL_OUT "No UST nevents binary detected."
  30 fi
  31
  32 # MUST set TESTDIR before calling those functions
  33
  34 test_multi_session() {
  35         local out
  36
  37         # BEFORE application is spawned
  38         for i in `seq 0 3`; do
  39                 create_lttng_session "$SESSION_NAME-$i" "$TRACE_PATH/$i"
  40                 enable_ust_lttng_event "$SESSION_NAME-$i" "$EVENT_NAME$i"
  41                 start_lttng_tracing "$SESSION_NAME-$i"
  42         done
  43
  44         ./$CURDIR/gen-nevents $NR_ITER &
  45         ok $? "Start application to generate $NR_ITER events"
  46
  47         # At least hit one event
  48         while [ -n "$(pidof gen-nevents)" ]; do
  49                 sleep 0.1
  50         done
  51
  52         pass "Wait for events to record"
  53
  54         for i in `seq 0 3`; do
  55                 stop_lttng_tracing "$SESSION_NAME-$i"
  56                 destroy_lttng_session "$SESSION_NAME-$i"
  57                 out=$(babeltrace "$TRACE_PATH/$i" | grep "$EVENT_NAMEi$i" | wc -l)
  58                 if [ $out -ne $NR_ITER ]; then
  59                         fail "Trace validation of $SESSION_NAME-$i"
  60                         diag "No events found."
  61                         out=1
  62                         break
  63                 else
  64                         pass "Trace validation of $SESSION_NAME-$i"
  65                         diag "Found $out event(s) for $SESSION_NAME-$i."
  66                         out=0
  67                 fi
  68         done
  69
  70         return $out
  71 }
  72
  73 # MUST set TESTDIR before calling those functions
  74
  75 plan_tests $NUM_TESTS
  76
  77 print_test_banner "$TEST_DESC"
  78
  79 start_lttng_sessiond
  80
  81 TRACE_PATH=$(mktemp -d)
  82
  83 test_multi_session
  84 out=$?
  85 if [ $out -ne 0 ]; then
  86         stop_lttng_sessiond
  87         exit $out
  88 fi
  89
  90 stop_lttng_sessiond
  91
  92 rm -rf "$TRACE_PATH"