tests/regression/tools/notification/test_notification_ust

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2017 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
   4 #
   5 # SPDX-License-Identifier: LGPL-2.1-only
   6
   7 CURDIR=$(dirname $0)/
   8 TESTDIR=$CURDIR/../../../
   9
  10 TMPDIR=$(mktemp -d)
  11
  12 #This is needed since the testpoint create a pipe with the consumerd type suffixed
  13 TESTPOINT_BASE_PATH=$(readlink -f "$TMPDIR/lttng.t_p_n")
  14 TESTPOINT_PIPE_PATH=$(mktemp -u "${TESTPOINT_BASE_PATH}.XXXXXX")
  15 TESTPOINT=$(readlink -f ${CURDIR}/.libs/libpause_consumer.so)
  16
  17
  18 TESTAPP_PATH="$TESTDIR/utils/testapp"
  19 TESTAPP_NAME="gen-ust-events"
  20 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  21 TESTAPP_STATE_PATH=$(mktemp -u "$TMPDIR/application_state.XXXXXXXXXX")
  22
  23 NR_ITER=1000
  24 NR_USEC_WAIT=5
  25
  26 SESSION_NAME="my_session"
  27 CHANNEL_NAME="my_channel"
  28
  29 TRACE_PATH=$(mktemp -d)
  30 PAGE_SIZE=$(getconf PAGE_SIZE)
  31
  32 DIR=$(readlink -f $TESTDIR)
  33
  34
  35 source $TESTDIR/utils/utils.sh
  36
  37 function ust_event_generator_toggle_state
  38 {
  39         ust_event_generator_suspended=$((ust_event_generator_suspended==0))
  40
  41 }
  42 function ust_event_generator
  43 {
  44         state_file=$1
  45         ust_event_generator_suspended=0
  46         trap ust_event_generator_toggle_state SIGUSR1
  47
  48         while (true); do
  49                 if [[ $ust_event_generator_suspended -eq "1" ]]; then
  50                         touch $state_file
  51                         sleep 0.5
  52                 else
  53                         if [[ -f $state_file ]]; then
  54                                 rm -rf $state_file 2> /dev/null
  55                         fi
  56                         taskset  -c 0 $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT > /dev/null 2>&1
  57                 fi
  58         done
  59 }
  60
  61 consumerd_pipe=()
  62 file_sync_after_first_event=$(mktemp -u)
  63 event_name="tp:tptest"
  64
  65 LTTNG_SESSIOND_ENV_VARS="LTTNG_TESTPOINT_ENABLE=1 CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} LD_PRELOAD=${TESTPOINT}"
  66 start_lttng_sessiond_notap
  67
  68 create_lttng_session_notap $SESSION_NAME $TRACE_PATH
  69
  70 enable_ust_lttng_channel_notap $SESSION_NAME $CHANNEL_NAME --subbuf-size=$PAGE_SIZE
  71 enable_ust_lttng_event_notap $SESSION_NAME $event_name $CHANNEL_NAME
  72
  73 #This is needed since the testpoint create a pipe with the consumer type suffixed
  74 for f in "$TESTPOINT_BASE_PATH"*; do
  75         consumerd_pipe+=("$f")
  76 done
  77
  78
  79 ust_event_generator $TESTAPP_STATE_PATH &
  80 APP_PID=$!
  81
  82 $CURDIR/notification LTTNG_DOMAIN_UST $SESSION_NAME $CHANNEL_NAME $APP_PID $TESTAPP_STATE_PATH ${consumerd_pipe[@]}
  83
  84 destroy_lttng_session_notap $SESSION_NAME
  85 stop_lttng_sessiond_notap
  86
  87 # On ungraceful kill the app is cleaned up via the full_cleanup call
  88 # Suppress kill message
  89 kill -9 $APP_PID
  90 wait $APP_PID 2> /dev/null
  91
  92 rm -rf $TMPDIR
  93
  94 # Just in case cleanup
  95 rm -rf $TRACE_PATH