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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 | ||
33e55711 | 13 | TRACE_PATH=$(mktemp --tmpdir -d tmp.test_metadata_env_kernel_trace_path.XXXXXX) |
01654d69 JR |
14 | |
15 | NUM_TESTS=13 | |
16 | ||
17 | source "$TESTDIR/utils/utils.sh" | |
18 | ||
19 | # Fetch utils functions common to ust and kernel tests. | |
20 | source "$CURDIR/utils.sh" | |
21 | ||
22 | function test_kernel () | |
23 | { | |
01654d69 JR |
24 | local metadata_path |
25 | local value | |
26 | ||
27 | local expected_path="${TRACE_PATH}/lttng-traces" | |
28 | local session_name="kernel" | |
30977619 JR |
29 | local metadata_env |
30 | ||
31 | metadata_env=$(mktemp --tmpdir "tmp.${FUNCNAME[0]}_metadata_env.XXXXXX") | |
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32 | |
33 | diag "Test Kernel metadata env field" | |
34 | create_lttng_session_ok "$session_name" | |
35 | enable_kernel_lttng_event_ok "$session_name" "$EVENT_NAME" | |
36 | start_lttng_tracing_ok "$session_name" | |
37 | ||
38 | echo -n "10" > /proc/lttng-test-filter-event | |
39 | ||
40 | stop_lttng_tracing_ok "$session_name" | |
41 | destroy_lttng_session_ok "$session_name" | |
42 | ||
43 | # bt1 accepts only a directory while bt2 accepts either the metadata | |
44 | # file directly or a directory with an immediate metadata file. | |
45 | # Settle for the common denominator. | |
fc2dd19e | 46 | metadata_path=$(find "${expected_path}/${session_name}"* -name "metadata") |
01654d69 JR |
47 | metadata_path=$(dirname "$metadata_path") |
48 | ||
30977619 | 49 | extract_env_to_file "$metadata_path" "$metadata_env" |
01654d69 JR |
50 | |
51 | # Construct the expected path from the env metadata and use it to | |
52 | # validate that all information make sense. This information is present | |
53 | # to allow trace viewer to recreate the same directory hierarchy. | |
54 | ||
55 | # Trace name | |
56 | value=$(get_env_value "$metadata_env" trace_name) | |
57 | ok $? "Extracting trace_name from env metadata" | |
58 | expected_path="${expected_path}/${value}" | |
59 | ||
60 | # Session creation time | |
61 | value=$(get_env_value "$metadata_env" trace_creation_datetime) | |
62 | ok $? "Extracting trace_creation_datetime from env metadata" | |
63 | value=$(iso8601_to_lttng_dir_datetime "$value") | |
64 | expected_path="${expected_path}-${value}" | |
65 | ||
66 | # Domain | |
67 | value=$(get_env_value "$metadata_env" domain) | |
68 | ok $? "Extracting domain from env metadata" | |
69 | expected_path="${expected_path}/${value}" | |
70 | ||
71 | # Append "metadata" and test that we find the file. | |
72 | expected_path="${expected_path}/metadata" | |
73 | ||
74 | test -e "$expected_path" | |
75 | ok $? "Reconstructed path from metadata is valid" | |
76 | ||
77 | # Hostname | |
78 | # The hostname is not part of the lttng hierarchy still we can test for | |
79 | # its validity here. | |
80 | value=$(get_env_value "$metadata_env" hostname) | |
81 | ok $? "Extracting hostname from env metadata" | |
82 | is "$value" "$(hostname)" "Hostname is valid" | |
83 | ||
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84 | rm -f "$metadata_env" |
85 | } | |
86 | ||
87 | plan_tests $NUM_TESTS | |
88 | print_test_banner "$TEST_DESC" | |
89 | ||
c125de8f | 90 | bail_out_if_no_babeltrace |
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91 | |
92 | if [ "$(id -u)" == "0" ]; then | |
93 | isroot=1 | |
94 | else | |
95 | isroot=0 | |
96 | fi | |
97 | ||
98 | skip $isroot "Root access is needed. Skipping all kernel metadata tests." $NUM_TESTS || | |
99 | { | |
100 | validate_lttng_modules_present | |
101 | modprobe lttng-test | |
102 | ||
103 | # Use LTTNG_HOME since we want the complete "default" lttng directory hierarchy | |
104 | # with "<session_name>-<datetime>/...". | |
105 | LTTNG_HOME="$TRACE_PATH" | |
106 | ||
107 | export LTTNG_HOME | |
108 | start_lttng_sessiond | |
109 | ||
110 | tests=( test_kernel ) | |
111 | ||
112 | for fct_test in "${tests[@]}"; | |
113 | do | |
114 | ${fct_test} | |
115 | done | |
116 | ||
d0e263e7 | 117 | modprobe --remove lttng-test |
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118 | |
119 | stop_lttng_sessiond | |
120 | unset LTTNG_HOME | |
121 | } | |
122 | ||
123 | rm -rf "$TRACE_PATH" |