tests/regression/ust/before-after/test_before_after

   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 - Start tracing before and after execution"
  18
  19 CURDIR=$(dirname $0)/
  20 TESTDIR=$CURDIR/../../..
  21 NR_ITER=100
  22 NR_USEC_WAIT=100000
  23 TESTAPP_PATH="$TESTDIR/utils/testapp"
  24 TESTAPP_NAME="gen-ust-events"
  25 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  26 SESSION_NAME="per-session"
  27 EVENT_NAME="tp:tptest"
  28 NUM_TESTS=16
  29
  30 source $TESTDIR/utils/utils.sh
  31
  32 if [ ! -x "$TESTAPP_BIN" ]; then
  33         BAIL_OUT "No UST nevents binary detected."
  34 fi
  35
  36 # MUST set TESTDIR before calling those functions
  37
  38 function test_before_apps()
  39 {
  40         # BEFORE application is spawned
  41         create_lttng_session $SESSION_NAME $TRACE_PATH
  42         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  43         start_lttng_tracing $SESSION_NAME
  44
  45         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
  46         ok $? "Traced application stopped."
  47
  48         stop_lttng_tracing $SESSION_NAME
  49         destroy_lttng_session $SESSION_NAME
  50
  51         trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH
  52
  53         return $?
  54 }
  55
  56 function test_after_apps()
  57 {
  58         local out
  59
  60         create_lttng_session $SESSION_NAME $TRACE_PATH
  61         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  62
  63         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
  64         ok $? "Application started in background."
  65
  66         start_lttng_tracing $SESSION_NAME
  67
  68         wait ${!}
  69
  70         stop_lttng_tracing $SESSION_NAME
  71         destroy_lttng_session $SESSION_NAME
  72
  73         validate_trace $EVENT_NAME $TRACE_PATH
  74         out=$?
  75
  76         return $out
  77 }
  78
  79 # MUST set TESTDIR before calling those functions
  80 plan_tests $NUM_TESTS
  81
  82 print_test_banner "$TEST_DESC"
  83
  84 start_lttng_sessiond
  85
  86 diag "Start tracing BEFORE application is started"
  87
  88 TRACE_PATH=$(mktemp -d)
  89
  90 test_before_apps
  91 out=$?
  92 if [ $out -ne 0 ]; then
  93         stop_lttng_sessiond
  94         exit $out
  95 fi
  96
  97 rm -rf $TRACE_PATH
  98
  99 diag "Start tracing AFTER application is started"
 100
 101 TRACE_PATH=$(mktemp -d)
 102
 103 test_after_apps
 104 out=$?
 105 if [ $out -ne 0 ]; then
 106         stop_lttng_sessiond
 107         exit $out
 108 fi
 109
 110 stop_lttng_sessiond
 111
 112 rm -rf $TRACE_PATH