tests/ust/before-after/run

   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 SESSION_NAME="per-session"
  23 EVENT_NAME="ust_gen_nevents:tptest"
  24
  25 source $TESTDIR/utils.sh
  26
  27 print_test_banner "$TEST_DESC"
  28
  29 if [ ! -x "$CURDIR/gen-nevents" ]; then
  30         echo -e "No UST nevents binary detected. Passing."
  31         exit 0
  32 fi
  33
  34 # MUST set TESTDIR before calling those functions
  35
  36 test_before_apps() {
  37         local out
  38
  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 $SESSION_NAME
  43         # Start test
  44         echo -n "Starting application... "
  45         ./$CURDIR/gen-nevents $NR_ITER
  46         echo -n "Ended "
  47         print_ok
  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 $?
  54 }
  55
  56 test_after_apps() {
  57         local out
  58
  59         echo -n "Starting application... "
  60         ./$CURDIR/gen-nevents 100 &
  61         print_ok
  62
  63         # BEFORE application is spawned
  64         create_lttng_session $SESSION_NAME $TRACE_PATH
  65         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  66         start_lttng_tracing $SESSION_NAME
  67
  68         # At least hit one event
  69         sleep 2
  70
  71         stop_lttng_tracing $SESSION_NAME
  72         destroy_lttng_session $SESSION_NAME
  73
  74         out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l)
  75         if [ $out -eq 0 ]; then
  76                 echo -n "No event found. Suppose to have at least one... "
  77                 print_fail
  78                 out=1
  79         else
  80                 echo -n "Found $out event(s). Coherent... "
  81                 print_ok
  82                 out=0
  83         fi
  84
  85         return $out
  86 }
  87
  88 # MUST set TESTDIR before calling those functions
  89
  90 start_lttng_sessiond
  91
  92 echo ""
  93 echo "=== Start application BEFORE tracing was started ==="
  94
  95 TRACE_PATH=$(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 $TRACE_PATH
 105
 106 echo ""
 107 echo "=== Start application AFTER tracing was started ==="
 108
 109 TRACE_PATH=$(mktemp -d)
 110
 111 test_after_apps
 112 out=$?
 113 if [ $out -ne 0 ]; then
 114         stop_lttng_sessiond
 115         exit $out
 116 fi
 117
 118 stop_lttng_sessiond
 119
 120 rm -rf $TRACE_PATH