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 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 "${CURDIR}/.libs/libpause_consumer.so")
  16
  17 TESTAPP_PATH="$TESTDIR/utils/testapp"
  18
  19 GEN_UST_EVENTS_TESTAPP_NAME="gen-ust-events"
  20 GEN_UST_EVENTS_TESTAPP_BIN="$TESTAPP_PATH/$GEN_UST_EVENTS_TESTAPP_NAME/$GEN_UST_EVENTS_TESTAPP_NAME"
  21
  22 TESTAPP_STATE_PATH=$(mktemp -u "$TMPDIR/application_state.XXXXXXXXXX")
  23
  24 SESSION_NAME="my_session"
  25 CHANNEL_NAME="my_channel"
  26
  27 TRACE_PATH=$(mktemp -d)
  28 PAGE_SIZE=$(getconf PAGE_SIZE)
  29
  30 # shellcheck source=../../../utils/utils.sh
  31 source "$TESTDIR/utils/utils.sh"
  32 # shellcheck source=./util_event_generator.sh
  33 source "$CURDIR/util_event_generator.sh"
  34
  35 function test_buffer_usage_notification
  36 {
  37         consumerd_pipe=()
  38         event_name="tp:tptest"
  39
  40         create_lttng_session_notap $SESSION_NAME "$TRACE_PATH"
  41
  42         enable_ust_lttng_channel_notap $SESSION_NAME $CHANNEL_NAME --subbuf-size="$PAGE_SIZE"
  43         enable_ust_lttng_event_notap $SESSION_NAME $event_name $CHANNEL_NAME
  44
  45         # This is needed since the testpoint create a pipe with the consumer type suffixed
  46         for f in "$TESTPOINT_BASE_PATH"*; do
  47                 consumerd_pipe+=("$f")
  48         done
  49
  50         ust_event_generator "$GEN_UST_EVENTS_TESTAPP_BIN" "$TESTAPP_STATE_PATH" &
  51         APP_PID=$!
  52
  53         "$CURDIR/notification" 2 LTTNG_DOMAIN_UST $APP_PID "$TESTAPP_STATE_PATH" \
  54                 $SESSION_NAME $CHANNEL_NAME "${consumerd_pipe[@]}"
  55
  56         destroy_lttng_session_notap $SESSION_NAME
  57
  58         # On ungraceful kill the app is cleaned up via the full_cleanup call
  59         # Suppress kill message
  60         kill -SIGUSR2 $APP_PID
  61         wait $APP_PID 2> /dev/null
  62
  63         # Just in case cleanup
  64         rm -rf "$TRACE_PATH"
  65 }
  66
  67 LTTNG_SESSIOND_ENV_VARS="LTTNG_TESTPOINT_ENABLE=1 CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} LD_PRELOAD=${TESTPOINT}"
  68 start_lttng_sessiond_notap
  69
  70 test_buffer_usage_notification
  71
  72 stop_lttng_sessiond_notap
  73
  74 rm -rf "$TMPDIR"