tests/regression/tools/notification/test_notification_ust_buffer_usage

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2017 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
   4 #
   5 # SPDX-License-Identifier: LGPL-2.1-only
   6
   7 CURDIR=$(dirname "$0")/
   8 TESTDIR=$CURDIR/../../../
   9
  10 TEST_TMPDIR=$(mktemp -d -t tmp.test_notif_ust_buffer_usage_dir.XXXXXX)
  11
  12 # Set TMPDIR for further call to mktemp
  13 export TMPDIR="$TEST_TMPDIR"
  14
  15 set -x
  16 #This is needed since the testpoint create a pipe with the consumerd type suffixed
  17 TESTPOINT_BASE_PATH=$(readlink -f "$TEST_TMPDIR/lttng.t_p_n")
  18 TESTPOINT_PIPE_PATH=$(mktemp -u -t "lttng.t_p_n.XXXXXX")
  19 TESTPOINT=$(readlink -f "${CURDIR}/.libs/libpause_consumer.so")
  20
  21 TESTAPP_PATH="$TESTDIR/utils/testapp"
  22
  23 GEN_UST_EVENTS_TESTAPP_NAME="gen-ust-events"
  24 GEN_UST_EVENTS_TESTAPP_BIN="$TESTAPP_PATH/$GEN_UST_EVENTS_TESTAPP_NAME/$GEN_UST_EVENTS_TESTAPP_NAME"
  25
  26 TESTAPP_STATE_PATH=$(mktemp -u -t "application_state.XXXXXXXXXX")
  27
  28 SESSION_NAME="my_session"
  29 CHANNEL_NAME="my_channel"
  30
  31 TRACE_PATH=$(mktemp -d -t "trace_path.XXXXXX")
  32 PAGE_SIZE=$(getconf PAGE_SIZE)
  33 set +x
  34
  35 # shellcheck source=../../../utils/utils.sh
  36 source "$TESTDIR/utils/utils.sh"
  37 # shellcheck source=./util_event_generator.sh
  38 source "$CURDIR/util_event_generator.sh"
  39
  40 function test_buffer_usage_notification
  41 {
  42         consumerd_pipe=()
  43         event_name="tp:tptest"
  44
  45         create_lttng_session_notap $SESSION_NAME "$TRACE_PATH"
  46
  47         enable_ust_lttng_channel_notap $SESSION_NAME $CHANNEL_NAME --subbuf-size="$PAGE_SIZE"
  48         enable_ust_lttng_event_notap $SESSION_NAME $event_name $CHANNEL_NAME
  49
  50         # This is needed since the testpoint create a pipe with the consumer type suffixed
  51         for f in "$TESTPOINT_BASE_PATH"*; do
  52                 consumerd_pipe+=("$f")
  53         done
  54
  55         ust_event_generator "$GEN_UST_EVENTS_TESTAPP_BIN" "$TESTAPP_STATE_PATH" &
  56         APP_PID=$!
  57
  58         "$CURDIR/notification" 2 LTTNG_DOMAIN_UST $APP_PID "$TESTAPP_STATE_PATH" \
  59                 $SESSION_NAME $CHANNEL_NAME "${consumerd_pipe[@]}"
  60
  61         destroy_lttng_session_notap $SESSION_NAME
  62
  63         # On ungraceful kill the app is cleaned up via the full_cleanup call
  64         # Suppress kill message
  65         kill -SIGUSR2 $APP_PID
  66         wait $APP_PID 2> /dev/null
  67
  68         # Just in case cleanup
  69         rm -rf "$TRACE_PATH"
  70 }
  71
  72 LTTNG_SESSIOND_ENV_VARS="LTTNG_TESTPOINT_ENABLE=1 CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} LD_PRELOAD=${TESTPOINT}"
  73 start_lttng_sessiond_notap
  74
  75 test_buffer_usage_notification
  76
  77 stop_lttng_sessiond_notap
  78
  79 rm -rf "$TEST_TMPDIR"