| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) 2021 Francis Deslauriers <francis.deslauriers@efficios.com> |
| 4 | # |
| 5 | # SPDX-License-Identifier: GPL-2.0-only |
| 6 | # |
| 7 | |
| 8 | TEST_DESC="Kernel tracer - function event" |
| 9 | |
| 10 | CURDIR=$(dirname $0)/ |
| 11 | TESTDIR=$CURDIR/../.. |
| 12 | NUM_TESTS=7 |
| 13 | |
| 14 | source $TESTDIR/utils/utils.sh |
| 15 | |
| 16 | function test_kernel_function_basic() |
| 17 | { |
| 18 | local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 19 | local SESSION_NAME="kernel_function_basic" |
| 20 | local EVENT_NAME="my_event_name" |
| 21 | local TARGET_SYMBOL="lttng_test_filter_event_write" |
| 22 | |
| 23 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 24 | |
| 25 | lttng_enable_kernel_function_event_ok $SESSION_NAME "$TARGET_SYMBOL" "$EVENT_NAME" |
| 26 | |
| 27 | start_lttng_tracing_ok |
| 28 | |
| 29 | echo 1 > /proc/lttng-test-filter-event |
| 30 | |
| 31 | stop_lttng_tracing_ok |
| 32 | |
| 33 | validate_trace "${EVENT_NAME}_entry" $TRACE_PATH |
| 34 | validate_trace "${EVENT_NAME}_exit" $TRACE_PATH |
| 35 | |
| 36 | destroy_lttng_session_ok $SESSION_NAME |
| 37 | |
| 38 | rm -rf $TRACE_PATH |
| 39 | } |
| 40 | |
| 41 | # MUST set TESTDIR before calling those functions |
| 42 | plan_tests $NUM_TESTS |
| 43 | |
| 44 | print_test_banner "$TEST_DESC" |
| 45 | |
| 46 | check_skip_kernel_test "$NUM_TESTS" "Skipping all tests." || |
| 47 | { |
| 48 | start_lttng_sessiond_notap |
| 49 | validate_lttng_modules_present |
| 50 | modprobe lttng-test |
| 51 | |
| 52 | test_kernel_function_basic |
| 53 | |
| 54 | modprobe --remove lttng-test |
| 55 | stop_lttng_sessiond_notap |
| 56 | } |