projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 01654d69 JR |
1 | #!/bin/bash |
| 2 | # | |
| 4942c256 | 3 | # Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com> |
| 01654d69 | 4 | # |
| 9d16b343 MJ |
5 | # SPDX-License-Identifier: LGPL-2.1-only |
| 6 | ||
| 01654d69 JR |
7 | TEST_DESC="Metadata env - Kernel space tracing" |
| 8 | ||
| 9 | CURDIR=$(dirname "$0")/ | |
| 10 | TESTDIR=$CURDIR/../../.. | |
| 11 | EVENT_NAME="lttng_test_filter_event" | |
| 12 | ||
| 13 | TRACE_PATH=$(mktemp -d) | |
| 14 | ||
| 15 | NUM_TESTS=13 | |
| 16 | ||
| 17 | source "$TESTDIR/utils/utils.sh" | |
| 18 | ||
| 19 | # Fetch utils functions common to ust and kernel tests. | |
| 20 | source "$CURDIR/utils.sh" | |
| 21 | ||
| 22 | function test_kernel () | |
| 23 | { | |
| 24 | local metadata | |
| 25 | local metadata_env | |
| 26 | local metadata_path | |
| 27 | local value | |
| 28 | ||
| 29 | local expected_path="${TRACE_PATH}/lttng-traces" | |
| 30 | local session_name="kernel" | |
| 31 | ||
| 32 | metadata=$(mktemp) | |
| 33 | metadata_env=$(mktemp) | |
| 34 | ||
| 35 | diag "Test Kernel metadata env field" | |
| 36 | create_lttng_session_ok "$session_name" | |
| 37 | enable_kernel_lttng_event_ok "$session_name" "$EVENT_NAME" | |
| 38 | start_lttng_tracing_ok "$session_name" | |
| 39 | ||
| 40 | echo -n "10" > /proc/lttng-test-filter-event | |
| 41 | ||
| 42 | stop_lttng_tracing_ok "$session_name" | |
| 43 | destroy_lttng_session_ok "$session_name" | |
| 44 | ||
| 45 | # bt1 accepts only a directory while bt2 accepts either the metadata | |
| 46 | # file directly or a directory with an immediate metadata file. | |
| 47 | # Settle for the common denominator. | |
| 48 | metadata_path=$(find "${expected_path}/${session_name}"* | grep metadata) | |
| 49 | metadata_path=$(dirname "$metadata_path") | |
| 50 | ||
| 51 | $BABELTRACE_BIN --output-format=ctf-metadata "${metadata_path}" > "$metadata" | |
| 52 | ||
| 53 | # Extract "env" scope | |
| 54 | awk '/env {/,/};/' < "$metadata" > "$metadata_env" | |
| 55 | ||
| 56 | # Construct the expected path from the env metadata and use it to | |
| 57 | # validate that all information make sense. This information is present | |
| 58 | # to allow trace viewer to recreate the same directory hierarchy. | |
| 59 | ||
| 60 | # Trace name | |
| 61 | value=$(get_env_value "$metadata_env" trace_name) | |
| 62 | ok $? "Extracting trace_name from env metadata" | |
| 63 | expected_path="${expected_path}/${value}" | |
| 64 | ||
| 65 | # Session creation time | |
| 66 | value=$(get_env_value "$metadata_env" trace_creation_datetime) | |
| 67 | ok $? "Extracting trace_creation_datetime from env metadata" | |
| 68 | value=$(iso8601_to_lttng_dir_datetime "$value") | |
| 69 | expected_path="${expected_path}-${value}" | |
| 70 | ||
| 71 | # Domain | |
| 72 | value=$(get_env_value "$metadata_env" domain) | |
| 73 | ok $? "Extracting domain from env metadata" | |
| 74 | expected_path="${expected_path}/${value}" | |
| 75 | ||
| 76 | # Append "metadata" and test that we find the file. | |
| 77 | expected_path="${expected_path}/metadata" | |
| 78 | ||
| 79 | test -e "$expected_path" | |
| 80 | ok $? "Reconstructed path from metadata is valid" | |
| 81 | ||
| 82 | # Hostname | |
| 83 | # The hostname is not part of the lttng hierarchy still we can test for | |
| 84 | # its validity here. | |
| 85 | value=$(get_env_value "$metadata_env" hostname) | |
| 86 | ok $? "Extracting hostname from env metadata" | |
| 87 | is "$value" "$(hostname)" "Hostname is valid" | |
| 88 | ||
| 89 | rm -f "$metadata" | |
| 90 | rm -f "$metadata_env" | |
| 91 | } | |
| 92 | ||
| 93 | plan_tests $NUM_TESTS | |
| 94 | print_test_banner "$TEST_DESC" | |
| 95 | ||
| 96 | ||
| 97 | if [ "$(id -u)" == "0" ]; then | |
| 98 | isroot=1 | |
| 99 | else | |
| 100 | isroot=0 | |
| 101 | fi | |
| 102 | ||
| 103 | skip $isroot "Root access is needed. Skipping all kernel metadata tests." $NUM_TESTS || | |
| 104 | { | |
| 105 | validate_lttng_modules_present | |
| 106 | modprobe lttng-test | |
| 107 | ||
| 108 | # Use LTTNG_HOME since we want the complete "default" lttng directory hierarchy | |
| 109 | # with "<session_name>-<datetime>/...". | |
| 110 | LTTNG_HOME="$TRACE_PATH" | |
| 111 | ||
| 112 | export LTTNG_HOME | |
| 113 | start_lttng_sessiond | |
| 114 | ||
| 115 | tests=( test_kernel ) | |
| 116 | ||
| 117 | for fct_test in "${tests[@]}"; | |
| 118 | do | |
| 119 | ${fct_test} | |
| 120 | done | |
| 121 | ||
| 122 | rmmod lttng-test | |
| 123 | ||
| 124 | stop_lttng_sessiond | |
| 125 | unset LTTNG_HOME | |
| 126 | } | |
| 127 | ||
| 128 | rm -rf "$TRACE_PATH" |