tests/regression/tools/notification/test_notification_kernel_userspace_probe

   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 TESTAPP_STATE_PATH=$(mktemp --tmpdir -u "tmp.test_notif_kernel_uprobe_application_state.XXXXXXXXXX")
  11
  12 NUM_TESTS=13
  13
  14 # shellcheck source=../../../utils/utils.sh
  15 source "$TESTDIR/utils/utils.sh"
  16 # shellcheck source=./util_event_generator.sh
  17 source "$CURDIR/util_event_generator.sh"
  18
  19 function test_kernel_userspace_probe_notification
  20 {
  21         kernel_event_generator_run_once_per_transition userspace_probe_testapp "$TESTAPP_STATE_PATH" 10 &
  22         APP_PID=$!
  23
  24         "$CURDIR/notification" 6 LTTNG_DOMAIN_KERNEL \
  25                 $APP_PID "$TESTAPP_STATE_PATH" \
  26                 "$USERSPACE_PROBE_ELF_TESTAPP_BIN" "test_function"
  27
  28         kill -SIGUSR2 $APP_PID
  29         wait $APP_PID 2> /dev/null
  30 }
  31
  32 if [ "$(id -u)" == "0" ]; then
  33         validate_lttng_modules_present
  34
  35         start_lttng_sessiond_notap
  36
  37         test_kernel_userspace_probe_notification
  38
  39         stop_lttng_sessiond_notap
  40 else
  41         # Kernel tests are skipped.
  42         plan_tests $NUM_TESTS
  43         skip 0 "Root access is needed. Skipping all kernel notification tests." $NUM_TESTS
  44 fi
  45
  46 rm -f "$TESTAPP_STATE_PATH"