| 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 "$TMPDIR/application_state.XXXXXXXXXX") |
| 22 | |
| 23 | SYSCALL_TESTAPP_NAME="gen-syscall-events" |
| 24 | SYSCALL_TESTAPP_BIN="$TESTAPP_PATH/$SYSCALL_TESTAPP_NAME/$SYSCALL_TESTAPP_NAME" |
| 25 | |
| 26 | USERSPACE_PROBE_ELF_TESTAPP_NAME="userspace-probe-elf-binary" |
| 27 | USERSPACE_PROBE_ELF_TESTAPP_BIN="$TESTAPP_PATH/$USERSPACE_PROBE_ELF_TESTAPP_NAME/.libs/$USERSPACE_PROBE_ELF_TESTAPP_NAME" |
| 28 | |
| 29 | SESSION_NAME="my_session" |
| 30 | CHANNEL_NAME="my_channel" |
| 31 | |
| 32 | TRACE_PATH=$(mktemp -d) |
| 33 | PAGE_SIZE=$(getconf PAGE_SIZE) |
| 34 | |
| 35 | DIR=$(readlink -f $TESTDIR) |
| 36 | NUM_TESTS=104 |
| 37 | |
| 38 | source $TESTDIR/utils/utils.sh |
| 39 | |
| 40 | function kernel_event_generator_toggle_state |
| 41 | { |
| 42 | kernel_event_generator_suspended=$((kernel_event_generator_suspended==0)) |
| 43 | } |
| 44 | |
| 45 | function userspace_probe_testapp |
| 46 | { |
| 47 | $USERSPACE_PROBE_ELF_TESTAPP_BIN |
| 48 | } |
| 49 | |
| 50 | function kernel_event_generator |
| 51 | { |
| 52 | command_to_run=$1 |
| 53 | state_file=$2 |
| 54 | kernel_event_generator_suspended=0 |
| 55 | trap kernel_event_generator_toggle_state SIGUSR1 |
| 56 | |
| 57 | while (true); do |
| 58 | if [[ $kernel_event_generator_suspended -eq "1" ]]; then |
| 59 | touch $state_file |
| 60 | sleep 0.5 |
| 61 | else |
| 62 | if [[ -f $state_file ]]; then |
| 63 | rm $state_file 2> /dev/null |
| 64 | fi |
| 65 | $command_to_run |
| 66 | fi |
| 67 | done |
| 68 | } |
| 69 | |
| 70 | function test_kernel_userspace_probe_notification |
| 71 | { |
| 72 | kernel_event_generator userspace_probe_testapp $TESTAPP_STATE_PATH & |
| 73 | APP_PID=$! |
| 74 | |
| 75 | $CURDIR/notification 6 LTTNG_DOMAIN_KERNEL \ |
| 76 | $APP_PID $TESTAPP_STATE_PATH \ |
| 77 | $USERSPACE_PROBE_ELF_TESTAPP_BIN "test_function" |
| 78 | |
| 79 | kill -9 $APP_PID |
| 80 | wait $APP_PID 2> /dev/null |
| 81 | } |
| 82 | |
| 83 | if [ "$(id -u)" == "0" ]; then |
| 84 | consumerd_pipe=() |
| 85 | |
| 86 | validate_lttng_modules_present |
| 87 | |
| 88 | # This is needed since the testpoint create a pipe with the consumer |
| 89 | # type suffixed. |
| 90 | for f in "$TESTPOINT_BASE_PATH"*; do |
| 91 | consumerd_pipe+=("$f") |
| 92 | done |
| 93 | |
| 94 | modprobe lttng-test |
| 95 | |
| 96 | LTTNG_SESSIOND_ENV_VARS="LTTNG_TESTPOINT_ENABLE=1 \ |
| 97 | CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} \ |
| 98 | LD_PRELOAD=${TESTPOINT}" |
| 99 | |
| 100 | start_lttng_sessiond_notap |
| 101 | |
| 102 | test_kernel_userspace_probe_notification |
| 103 | |
| 104 | stop_lttng_sessiond_notap |
| 105 | rmmod lttng-test |
| 106 | |
| 107 | rm -rf ${consumerd_pipe[@]} 2> /dev/null |
| 108 | else |
| 109 | # Kernel tests are skipped. |
| 110 | plan_tests $NUM_TESTS |
| 111 | skip 0 "Root access is needed. Skipping all kernel notification tests." $NUM_TESTS |
| 112 | fi |
| 113 | |
| 114 | # Just in case cleanup |
| 115 | rm -rf $TRACE_PATH |
| 116 | rm -rf $TMPDIR |