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_ok $SESSION_NAME $TRACE_PATH
  42         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  43         start_lttng_tracing_ok $SESSION_NAME
  44
  45         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT &
  46         wait
  47         ok $? "Traced application stopped."
  48
  49         stop_lttng_tracing_ok $SESSION_NAME
  50         destroy_lttng_session_ok $SESSION_NAME
  51
  52         trace_match_only $EVENT_NAME $NR_ITER $TRACE_PATH
  53
  54         return $?
  55 }
  56
  57 function test_after_apps()
  58 {
  59         local out
  60         local file_sync_after_first=$(mktemp -u)
  61         local file_sync_before_last=$(mktemp -u)
  62
  63         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  64         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  65
  66         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
  67                 --sync-after-first-event ${file_sync_after_first} \
  68                 --sync-before-last-event ${file_sync_before_last} &
  69         ok $? "Application started in background."
  70
  71         start_lttng_tracing_ok $SESSION_NAME
  72
  73         touch ${file_sync_before_last}
  74
  75         wait
  76
  77         stop_lttng_tracing_ok $SESSION_NAME
  78         destroy_lttng_session_ok $SESSION_NAME
  79
  80         rm -f ${file_sync_after_first}
  81         rm -f ${file_sync_before_last}
  82
  83         validate_trace $EVENT_NAME $TRACE_PATH
  84         out=$?
  85
  86         return $out
  87 }
  88
  89 # MUST set TESTDIR before calling those functions
  90 plan_tests $NUM_TESTS
  91
  92 print_test_banner "$TEST_DESC"
  93
  94 start_lttng_sessiond
  95
  96 diag "Start tracing BEFORE application is started"
  97
  98 TRACE_PATH=$(mktemp -d)
  99
 100 test_before_apps
 101 out=$?
 102 if [ $out -ne 0 ]; then
 103         stop_lttng_sessiond
 104         exit $out
 105 fi
 106
 107 rm -rf $TRACE_PATH
 108
 109 diag "Start tracing AFTER application is started"
 110
 111 TRACE_PATH=$(mktemp -d)
 112
 113 test_after_apps
 114 out=$?
 115 if [ $out -ne 0 ]; then
 116         stop_lttng_sessiond
 117         exit $out
 118 fi
 119
 120 stop_lttng_sessiond
 121
 122 rm -rf $TRACE_PATH