| 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 "${TESTPOINT_BASE_PATH}.XXXXXX") |
| 15 | TESTPOIT_ARGS="CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} LTTNG_TESTPOINT_ENABLE=1" |
| 16 | TESTPOINT=$(readlink -f ${CURDIR}/.libs/libpause_consumer.so) |
| 17 | |
| 18 | |
| 19 | TESTAPP_PATH="$TESTDIR/utils/testapp" |
| 20 | TESTAPP_NAME="gen-ust-events" |
| 21 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" |
| 22 | TESTAPP_STATE_PATH=$(mktemp -u "$TMPDIR/application_state.XXXXXXXXXX") |
| 23 | |
| 24 | NR_ITER=-1 |
| 25 | NR_USEC_WAIT=5 |
| 26 | |
| 27 | SESSION_NAME="my_session" |
| 28 | CHANNEL_NAME="my_channel" |
| 29 | |
| 30 | TRACE_PATH=$(mktemp -d) |
| 31 | PAGE_SIZE=$(getconf PAGE_SIZE) |
| 32 | |
| 33 | DIR=$(readlink -f $TESTDIR) |
| 34 | NUM_TESTS=104 |
| 35 | |
| 36 | source $TESTDIR/utils/utils.sh |
| 37 | |
| 38 | function kernel_event_generator_toogle_state |
| 39 | { |
| 40 | kernel_event_generator_suspended=$((kernel_event_generator_suspended==0)) |
| 41 | |
| 42 | } |
| 43 | function kernel_event_generator |
| 44 | { |
| 45 | state_file=$1 |
| 46 | kernel_event_generator_suspended=0 |
| 47 | trap kernel_event_generator_toogle_state SIGUSR1 |
| 48 | |
| 49 | while (true); do |
| 50 | if [[ $kernel_event_generator_suspended -eq "1" ]]; then |
| 51 | touch $state_file |
| 52 | sleep 0.5 |
| 53 | else |
| 54 | if [[ -f $state_file ]]; then |
| 55 | rm $state_file 2> /dev/null |
| 56 | fi |
| 57 | echo -n "1000" > /proc/lttng-test-filter-event 2> /dev/null |
| 58 | fi |
| 59 | done |
| 60 | } |
| 61 | |
| 62 | function kernel_test |
| 63 | { |
| 64 | local consumerd_pipe=() |
| 65 | local event_name="lttng_test_filter_event" |
| 66 | |
| 67 | modprobe lttng-test |
| 68 | |
| 69 | LTTNG_SESSIOND_ENV_VARS="LTTNG_TESTPOINT_ENABLE=1 CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} LD_PRELOAD=${TESTPOINT}" |
| 70 | start_lttng_sessiond_notap |
| 71 | |
| 72 | create_lttng_session_notap $SESSION_NAME $TRACE_PATH |
| 73 | |
| 74 | lttng_enable_kernel_channel_notap $SESSION_NAME $CHANNEL_NAME --subbuf-size=$PAGE_SIZE |
| 75 | enable_kernel_lttng_event_notap $SESSION_NAME $event_name $CHANNEL_NAME |
| 76 | |
| 77 | #This is needed since the testpoint create a pipe with the consumer type suffixed |
| 78 | for f in "$TESTPOINT_BASE_PATH"*; do |
| 79 | consumerd_pipe+=("$f") |
| 80 | done |
| 81 | |
| 82 | kernel_event_generator $TESTAPP_STATE_PATH & |
| 83 | APP_PID=$! |
| 84 | |
| 85 | $CURDIR/notification LTTNG_DOMAIN_KERNEL $SESSION_NAME $CHANNEL_NAME $APP_PID $TESTAPP_STATE_PATH ${consumerd_pipe[@]} |
| 86 | |
| 87 | destroy_lttng_session_notap $SESSION_NAME |
| 88 | stop_lttng_sessiond_notap |
| 89 | |
| 90 | kill -9 $APP_PID |
| 91 | wait $APP_PID 2> /dev/null |
| 92 | |
| 93 | |
| 94 | rmmod lttng-test |
| 95 | |
| 96 | rm -rf ${consumerd_pipe[@]} 2> /dev/null |
| 97 | } |
| 98 | |
| 99 | if [ "$(id -u)" == "0" ]; then |
| 100 | validate_lttng_modules_present |
| 101 | kernel_test |
| 102 | else |
| 103 | # Kernel tests are skipped. |
| 104 | plan_tests $NUM_TESTS |
| 105 | skip 0 "Root access is needed. Skipping all kernel notification tests." $NUM_TESTS |
| 106 | fi |
| 107 | |
| 108 | # Just in case cleanup |
| 109 | rm -rf $TRACE_PATH |
| 110 | rm -rf $TMPDIR |