tests/regression/tools/live/test_ust

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2013 Julien Desfossez <julien.desfossez@efficios.com>
   4 # Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
   5 #
   6 # SPDX-License-Identifier: LGPL-2.1-only
   7
   8 TEST_DESC="Live - User space tracing"
   9
  10 CURDIR=$(dirname $0)/
  11 TESTDIR=$CURDIR/../../../
  12 NR_ITER=1
  13 NR_USEC_WAIT=1
  14 DELAY_USEC=2000000
  15 TESTAPP_PATH="$TESTDIR/utils/testapp"
  16 TESTAPP_NAME="gen-ust-events"
  17 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  18
  19 SESSION_NAME="live"
  20 EVENT_NAME="tp:tptest"
  21
  22 TRACE_PATH=$(mktemp -d)
  23
  24 DIR=$(readlink -f $TESTDIR)
  25
  26 source $TESTDIR/utils/utils.sh
  27
  28 echo "$TEST_DESC"
  29
  30 function setup_live_tracing()
  31 {
  32         # Create session with default path
  33         $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME --live $DELAY_USEC \
  34                 -U net://localhost >/dev/null 2>&1
  35
  36         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$EVENT_NAME" -s $SESSION_NAME -u >/dev/null 2>&1
  37         $TESTDIR/../src/bin/lttng/$LTTNG_BIN start $SESSION_NAME >/dev/null 2>&1
  38 }
  39
  40 function clean_live_tracing()
  41 {
  42         $TESTDIR/../src/bin/lttng/$LTTNG_BIN stop $SESSION_NAME >/dev/null 2>&1
  43         $TESTDIR/../src/bin/lttng/$LTTNG_BIN destroy $SESSION_NAME >/dev/null 2>&1
  44         rm -rf $TRACE_PATH
  45 }
  46
  47 file_sync_after_first=$(mktemp -u)
  48
  49 start_lttng_sessiond_notap
  50 start_lttng_relayd_notap "-o $TRACE_PATH"
  51
  52 setup_live_tracing
  53
  54 # Run app in background
  55 $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT --sync-after-first-event ${file_sync_after_first} >/dev/null 2>&1
  56
  57 while [ ! -f "${file_sync_after_first}" ]; do
  58         sleep 0.5
  59 done
  60
  61 # Start the live test
  62 $TESTDIR/regression/tools/live/live_test
  63
  64 # Wait for the applications started in background
  65 wait
  66
  67 clean_live_tracing
  68
  69 rm -f ${file_sync_after_first}
  70
  71 stop_lttng_sessiond_notap
  72 stop_lttng_relayd_notap