tests/regression/tools/live/test_ust

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2013 Julien Desfossez <julien.desfossez@efficios.com>
   4 #                      David Goulet <dgoulet@efficios.com>
   5 #
   6 # This library is free software; you can redistribute it and/or modify it under
   7 # the terms of the GNU Lesser General Public License as published by the Free
   8 # Software Foundation; version 2.1 of the License.
   9 #
  10 # This library is distributed in the hope that it will be useful, but WITHOUT
  11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  12 # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
  13 # details.
  14 #
  15 # You should have received a copy of the GNU Lesser General Public License
  16 # along with this library; if not, write to the Free Software Foundation, Inc.,
  17 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  18
  19 TEST_DESC="Live - User space tracing"
  20
  21 CURDIR=$(dirname $0)/
  22 TESTDIR=$CURDIR/../../../
  23 NR_ITER=1
  24 NR_USEC_WAIT=1
  25 DELAY_USEC=2000000
  26 TESTAPP_PATH="$TESTDIR/utils/testapp"
  27 TESTAPP_NAME="gen-ust-events"
  28 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  29
  30 SESSION_NAME="live"
  31 EVENT_NAME="tp:tptest"
  32
  33 TRACE_PATH=$(mktemp -d)
  34
  35 DIR=$(readlink -f $TESTDIR)
  36
  37 source $TESTDIR/utils/utils.sh
  38
  39 echo "$TEST_DESC"
  40
  41 function setup_live_tracing()
  42 {
  43         # Create session with default path
  44         $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME --live $DELAY_USEC \
  45                 -U net://localhost >/dev/null 2>&1
  46
  47         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$EVENT_NAME" -s $SESSION_NAME -u >/dev/null 2>&1
  48         $TESTDIR/../src/bin/lttng/$LTTNG_BIN start $SESSION_NAME >/dev/null 2>&1
  49 }
  50
  51 function clean_live_tracing()
  52 {
  53         $TESTDIR/../src/bin/lttng/$LTTNG_BIN stop $SESSION_NAME >/dev/null 2>&1
  54         $TESTDIR/../src/bin/lttng/$LTTNG_BIN destroy $SESSION_NAME >/dev/null 2>&1
  55         rm -rf $TRACE_PATH
  56 }
  57
  58 file_sync_after_first=$(mktemp -u)
  59
  60 start_lttng_sessiond_notap
  61 start_lttng_relayd_notap "-o $TRACE_PATH"
  62
  63 setup_live_tracing
  64
  65 # Run app in background
  66 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} >/dev/null 2>&1
  67
  68 while [ ! -f "${file_sync_after_first}" ]; do
  69         sleep 0.5
  70 done
  71
  72 # Start the live test
  73 $TESTDIR/regression/tools/live/live_test
  74
  75 # Wait for the applications started in background
  76 wait
  77
  78 clean_live_tracing
  79
  80 rm -f ${file_sync_after_first}
  81
  82 stop_lttng_sessiond_notap
  83 stop_lttng_relayd_notap