| 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 | TEST_TMPDIR=$(mktemp -d -t tmp.test_notif_kernel_buffer_usage_dir.XXXXXX) |
| 11 | |
| 12 | # Set TMPDIR for further call to mktemp |
| 13 | export TMPDIR="$TEST_TMPDIR" |
| 14 | |
| 15 | #This is needed since the testpoint create a pipe with the consumerd type suffixed |
| 16 | TESTPOINT_BASE_PATH=$(readlink -f "$TEST_TMPDIR/lttng.t_p_n") |
| 17 | TESTPOINT_PIPE_PATH=$(mktemp -u -t "lttng.t_p_n.XXXXXX") |
| 18 | TESTPOINT=$(readlink -f "${CURDIR}/.libs/libpause_consumer.so") |
| 19 | TESTAPP_STATE_PATH=$(mktemp -u -t "application_state.XXXXXXXXXX") |
| 20 | |
| 21 | |
| 22 | SESSION_NAME="my_session" |
| 23 | CHANNEL_NAME="my_channel" |
| 24 | |
| 25 | NUM_TESTS=99 |
| 26 | |
| 27 | # shellcheck source=../../../utils/utils.sh |
| 28 | source "$TESTDIR/utils/utils.sh" |
| 29 | # shellcheck source=./util_event_generator.sh |
| 30 | source "$CURDIR/util_event_generator.sh" |
| 31 | |
| 32 | function test_buffer_usage_notification |
| 33 | { |
| 34 | local event_name="lttng_test_filter_event" |
| 35 | local trace_path |
| 36 | local page_size |
| 37 | local consumerd_pipe=() |
| 38 | |
| 39 | trace_path=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXXX") |
| 40 | page_size=$(getconf PAGE_SIZE) |
| 41 | |
| 42 | create_lttng_session_notap $SESSION_NAME "$trace_path" |
| 43 | |
| 44 | lttng_enable_kernel_channel_notap $SESSION_NAME $CHANNEL_NAME \ |
| 45 | --subbuf-size="$page_size" |
| 46 | enable_kernel_lttng_event_notap $SESSION_NAME $event_name $CHANNEL_NAME |
| 47 | |
| 48 | kernel_event_generator generate_filter_events "$TESTAPP_STATE_PATH" & |
| 49 | APP_PID=$! |
| 50 | |
| 51 | # This is needed since the testpoint create a pipe with the consumer |
| 52 | # type suffixed. |
| 53 | for f in "$TESTPOINT_BASE_PATH"*; do |
| 54 | consumerd_pipe+=("$f") |
| 55 | done |
| 56 | |
| 57 | "$CURDIR/notification" 2 LTTNG_DOMAIN_KERNEL $APP_PID "$TESTAPP_STATE_PATH" \ |
| 58 | $SESSION_NAME $CHANNEL_NAME "${consumerd_pipe[@]}" |
| 59 | |
| 60 | destroy_lttng_session_notap $SESSION_NAME |
| 61 | |
| 62 | kill -SIGUSR2 $APP_PID |
| 63 | wait $APP_PID 2> /dev/null |
| 64 | } |
| 65 | |
| 66 | check_skip_kernel_test && |
| 67 | { |
| 68 | plan_skip_all "Skipping all tests." |
| 69 | rm -rf "$TEST_TMPDIR" |
| 70 | exit 0 |
| 71 | } |
| 72 | |
| 73 | validate_lttng_modules_present |
| 74 | |
| 75 | modprobe lttng-test |
| 76 | |
| 77 | # Used on sessiond launch. |
| 78 | LTTNG_SESSIOND_ENV_VARS="LTTNG_TESTPOINT_ENABLE=1 \ |
| 79 | CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} \ |
| 80 | LD_PRELOAD=${TESTPOINT}" |
| 81 | start_lttng_sessiond_notap |
| 82 | |
| 83 | test_buffer_usage_notification |
| 84 | |
| 85 | stop_lttng_sessiond_notap |
| 86 | rmmod lttng-test |
| 87 | |
| 88 | rm -rf "${consumerd_pipe[@]}" 2> /dev/null |
| 89 | rm -rf "$TEST_TMPDIR" |