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