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 TMPDIR=$(mktemp -d)
  11
  12 TESTAPP_STATE_PATH=$(mktemp -u "$TMPDIR/application_state.XXXXXXXXXX")
  13
  14 NUM_TESTS=104
  15
  16 # shellcheck source=../../../utils/utils.sh
  17 source "$TESTDIR/utils/utils.sh"
  18 # shellcheck source=./util_event_generator.sh
  19 source "$CURDIR/util_event_generator.sh"
  20
  21 function test_kernel_userspace_probe_notification
  22 {
  23         kernel_event_generator_run_once_per_transition userspace_probe_testapp "$TESTAPP_STATE_PATH" 10 &
  24         APP_PID=$!
  25
  26         "$CURDIR/notification" 6 LTTNG_DOMAIN_KERNEL \
  27                 $APP_PID "$TESTAPP_STATE_PATH" \
  28                 "$USERSPACE_PROBE_ELF_TESTAPP_BIN" "test_function"
  29
  30         kill -SIGUSR2 $APP_PID
  31         wait $APP_PID 2> /dev/null
  32 }
  33
  34 if [ "$(id -u)" == "0" ]; then
  35         validate_lttng_modules_present
  36
  37         start_lttng_sessiond_notap
  38
  39         test_kernel_userspace_probe_notification
  40
  41         stop_lttng_sessiond_notap
  42 else
  43         # Kernel tests are skipped.
  44         plan_tests $NUM_TESTS
  45         skip 0 "Root access is needed. Skipping all kernel notification tests." $NUM_TESTS
  46 fi
  47
  48 # Just in case cleanup
  49 rm -rf "$TMPDIR"