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 test_before_apps() {
  39         # BEFORE application is spawned
  40         create_lttng_session $SESSION_NAME $TRACE_PATH
  41         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  42         start_lttng_tracing $SESSION_NAME
  43
  44         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
  45         ok $? "Start application to trace"
  46
  47         stop_lttng_tracing $SESSION_NAME
  48         destroy_lttng_session $SESSION_NAME
  49
  50         trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH
  51
  52         return $?
  53 }
  54
  55 test_after_apps() {
  56         local out
  57
  58         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
  59         ok $? "Start application to trace"
  60
  61         # BEFORE application is spawned
  62         create_lttng_session $SESSION_NAME $TRACE_PATH
  63         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  64         start_lttng_tracing $SESSION_NAME
  65
  66         # At least hit one event
  67         sleep 2
  68
  69         stop_lttng_tracing $SESSION_NAME
  70         destroy_lttng_session $SESSION_NAME
  71
  72         out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l)
  73         if [ $out -eq 0 ]; then
  74                 fail "Trace validation"
  75                 diag "No event(s) found. We are supposed to have at least one."
  76                 out=1
  77         else
  78                 pass "Trace validation"
  79                 diag "Found $out event(s). Coherent."
  80                 out=0
  81         fi
  82
  83         return $out
  84 }
  85
  86 # MUST set TESTDIR before calling those functions
  87 plan_tests $NUM_TESTS
  88
  89 print_test_banner "$TEST_DESC"
  90
  91 start_lttng_sessiond
  92
  93 diag "Start application BEFORE tracing was started"
  94
  95 TRACE_PATH=$(mktemp -d)
  96
  97 test_before_apps
  98 out=$?
  99 if [ $out -ne 0 ]; then
 100         stop_lttng_sessiond
 101         exit $out
 102 fi
 103
 104 rm -rf $TRACE_PATH
 105
 106 diag "Start application AFTER tracing was started"
 107
 108 TRACE_PATH=$(mktemp -d)
 109
 110 test_after_apps
 111 out=$?
 112 if [ $out -ne 0 ]; then
 113         stop_lttng_sessiond
 114         exit $out
 115 fi
 116
 117 stop_lttng_sessiond
 118
 119 rm -rf $TRACE_PATH