tests/regression/tools/live/test_lttng_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 SESSIOND_BIN="lttng-sessiond"
  24 RELAYD_BIN="lttng-relayd"
  25 LTTNG_BIN="lttng"
  26 BABELTRACE_BIN="babeltrace"
  27 NR_ITER=1
  28 NR_USEC_WAIT=1
  29 DELAY_USEC=2000000
  30 TESTAPP_PATH="$TESTDIR/utils/testapp"
  31 TESTAPP_NAME="gen-ust-events"
  32 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  33
  34 SESSION_NAME="live"
  35 EVENT_NAME="tp:tptest"
  36
  37 TRACE_PATH=$(mktemp -d)
  38
  39 DIR=$(readlink -f $TESTDIR)
  40
  41 NUM_TESTS=10
  42
  43 source $TESTDIR/utils/utils.sh
  44
  45 # MUST set TESTDIR before calling those functions
  46 plan_tests $NUM_TESTS
  47
  48 print_test_banner "$TEST_DESC"
  49
  50 function setup_live_tracing()
  51 {
  52         # Create session with default path
  53         $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME --live $DELAY_USEC \
  54                 -U net://localhost >/dev/null 2>&1
  55         ok $? "Create session in live mode with delay $DELAY_USEC"
  56
  57         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  58         start_lttng_tracing $SESSION_NAME
  59 }
  60
  61 function clean_live_tracing()
  62 {
  63         stop_lttng_tracing $SESSION_NAME
  64         destroy_lttng_session $SESSION_NAME
  65 }
  66
  67 start_lttng_sessiond
  68 start_lttng_relayd "-o $TRACE_PATH"
  69
  70 setup_live_tracing
  71
  72 # Run app in background
  73 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev/null 2>&1 &
  74 # Wait for app to complete
  75 while [ -n "$(pidof $TESTAPP_NAME)" ]; do
  76         sleep 0.5
  77 done
  78
  79 clean_live_tracing
  80
  81 trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH
  82 rm -rf $TRACE_PATH
  83
  84 stop_lttng_relayd
  85 stop_lttng_sessiond