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002db623 MD |
1 | #!/bin/bash |
2 | # | |
3 | # Copyright (C) - 2013 Christian Babeux <christian.babeux@efficios.com> | |
4 | # Copyright (C) - 2014, 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
5 | # | |
6 | # This program is free software; you can redistribute it and/or modify it | |
7 | # under the terms of the GNU General Public License, version 2 only, as | |
8 | # published by the Free Software Foundation. | |
9 | # | |
10 | # This program is distributed in the hope that it will be useful, but WITHOUT | |
11 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | # more details. | |
14 | # | |
15 | # You should have received a copy of the GNU General Public License along with | |
16 | # this program; if not, write to the Free Software Foundation, Inc., 51 | |
17 | # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | ||
19 | TEST_DESC="Kernel tracer - Clock override plugin" | |
20 | ||
21 | CURDIR=$(dirname $0)/ | |
22 | TESTDIR=$CURDIR/../.. | |
23 | SESSION_NAME="clock_override" | |
24 | ||
25 | NUM_TESTS=30 | |
26 | EVENT_NAME="lttng_test_filter_event" | |
27 | ||
28 | TESTCMD="echo -n 10 > /proc/lttng-test-filter-event" | |
29 | ||
30 | METADATA_CLOCK_START_TOKEN="clock {" | |
31 | METADATA_CLOCK_END_TOKEN="};" | |
32 | ||
33 | METADATA_TOKEN_LIST=( | |
34 | "name" | |
35 | "uuid" | |
36 | "description" | |
37 | "freq" | |
38 | ) | |
39 | ||
40 | CLOCK_TOKEN_VALUE=( | |
41 | "lttng_test_clock_override" | |
42 | "83c63deb-7aa4-48fb-abda-946f400d76e6" | |
43 | "Freeze time with 1KHz for regression test" | |
44 | "1000" | |
45 | ) | |
46 | ||
47 | source $TESTDIR/utils/utils.sh | |
48 | ||
49 | function signal_cleanup() | |
50 | { | |
51 | diag "*** Exiting ***" | |
002db623 | 52 | stop_lttng_sessiond |
9e43a0f4 MD |
53 | modprobe -r lttng-test lttng-clock-plugin-test lttng-clock |
54 | full_cleanup | |
002db623 MD |
55 | } |
56 | ||
57 | function extract_clock_metadata() | |
58 | { | |
59 | local metadata_file=$1 | |
60 | local clock_metadata_file_destination=$2 | |
61 | cat $metadata_file \ | |
62 | | sed -n "/$METADATA_CLOCK_START_TOKEN/,/$METADATA_CLOCK_END_TOKEN/p" \ | |
63 | > $clock_metadata_file_destination | |
64 | ok $? "Clock metadata extraction" | |
65 | } | |
66 | ||
67 | function extract_clock_metadata_token() | |
68 | { | |
69 | local clock_metadata_file=$1 | |
70 | local token=$2 | |
71 | # Look for token and get value between "" | |
72 | cat $clock_metadata_file | grep $token | awk -F"= |;" '{print $2}' | tr -d '"' | |
73 | } | |
74 | ||
75 | function test_clock_override_metadata() | |
76 | { | |
8d12820e NL |
77 | local ctf_metadata_file=$(mktemp -p $TRACE_PATH ctf-metadata.XXXXXX) |
78 | local clock_metadata_file=$(mktemp -p $TRACE_PATH clock-metadata.XXXXXX) | |
002db623 MD |
79 | local result="" |
80 | ||
81 | diag "Clock override plugin metadata test" | |
82 | ||
83 | modprobe lttng-clock-plugin-test | |
84 | start_lttng_sessiond | |
85 | modprobe lttng-test | |
86 | ||
87 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH | |
88 | enable_kernel_lttng_event_ok $SESSION_NAME "$EVENT_NAME" | |
89 | start_lttng_tracing_ok $SESSION_NAME | |
90 | eval ${TESTCMD} | |
91 | stop_lttng_tracing_ok $SESSION_NAME | |
92 | destroy_lttng_session_ok $SESSION_NAME | |
93 | ||
002db623 | 94 | stop_lttng_sessiond |
9e43a0f4 | 95 | modprobe -r lttng-test lttng-clock-plugin-test lttng-clock |
002db623 | 96 | |
3d2deead JG |
97 | local TRACE_METADATA_FILE_PATH="$(find "$TRACE_PATH" -name metadata -type f)" |
98 | local TRACE_METADATA_DIR="$(dirname "$TRACE_METADATA_FILE_PATH")" | |
99 | ||
100 | $BABELTRACE_BIN -o ctf-metadata -w $ctf_metadata_file $TRACE_METADATA_DIR | |
002db623 MD |
101 | ok $? "Metadata extraction from babeltrace" |
102 | ||
103 | extract_clock_metadata $ctf_metadata_file $clock_metadata_file | |
104 | ||
105 | test ${#METADATA_TOKEN_LIST[@]} -eq ${#CLOCK_TOKEN_VALUE[@]} | |
106 | ok $? "Tokens to check(${#METADATA_TOKEN_LIST[@]}) and provided values(${#CLOCK_TOKEN_VALUE[@]}) count is equal" | |
107 | ||
108 | local counter=0 | |
109 | while [ "$counter" -lt "${#METADATA_TOKEN_LIST[@]}" ]; do | |
110 | result=$(extract_clock_metadata_token $clock_metadata_file \ | |
111 | ${METADATA_TOKEN_LIST[$counter]}) | |
112 | test "$result" == "${CLOCK_TOKEN_VALUE[$counter]}" | |
113 | ok $? "Token \"${METADATA_TOKEN_LIST[$counter]}\" expect:${CLOCK_TOKEN_VALUE[$counter]} got:$result" | |
114 | let "counter++" | |
115 | done | |
116 | rm -rf $ctf_metadata_file | |
117 | rm -rf $clock_metadata_file | |
118 | } | |
119 | ||
120 | function test_clock_override_timestamp() | |
121 | { | |
122 | diag "Clock override test" | |
123 | ||
124 | # Test without the plugin | |
125 | diag "Plugin disabled" | |
126 | ||
127 | start_lttng_sessiond | |
128 | modprobe lttng-test | |
129 | ||
130 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH | |
131 | enable_kernel_lttng_event_ok $SESSION_NAME "$EVENT_NAME" | |
132 | start_lttng_tracing_ok $SESSION_NAME | |
133 | eval ${TESTCMD} | |
134 | stop_lttng_tracing_ok $SESSION_NAME | |
135 | destroy_lttng_session_ok $SESSION_NAME | |
136 | ||
137 | # Use Babeltrace with "-n all" to give a comma separated list for | |
138 | # easy extraction of timestamps. | |
139 | unique_timestamps_count=$($BABELTRACE_BIN -n all $TRACE_PATH | \ | |
140 | cut -d, -f1 | uniq | wc -l) | |
141 | test $unique_timestamps_count -gt 1 | |
142 | ok $? "Unique event timestamps without clock override: $unique_timestamps_count expect >1" | |
143 | rmmod lttng-test | |
144 | stop_lttng_sessiond | |
145 | ||
146 | # Test with clock override plugin. | |
147 | diag "Plugin enabled" | |
148 | ||
149 | modprobe lttng-clock-plugin-test | |
150 | start_lttng_sessiond | |
151 | modprobe lttng-test | |
152 | ||
153 | start_lttng_sessiond | |
154 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH | |
155 | enable_kernel_lttng_event_ok $SESSION_NAME "$EVENT_NAME" | |
156 | start_lttng_tracing_ok $SESSION_NAME | |
157 | eval ${TESTCMD} | |
158 | stop_lttng_tracing_ok $SESSION_NAME | |
159 | destroy_lttng_session_ok $SESSION_NAME | |
160 | ||
161 | rmmod lttng-test | |
162 | stop_lttng_sessiond | |
163 | rmmod lttng-clock-plugin-test | |
164 | rmmod lttng-clock | |
165 | ||
166 | # Use Babeltrace with "-n all" to give a comma separated list for | |
167 | # easy extraction of timestamps. | |
168 | unique_timestamps_count=$($BABELTRACE_BIN -n all $TRACE_PATH | \ | |
169 | cut -d, -f1 | uniq | wc -l) | |
170 | test $unique_timestamps_count -eq 1 | |
171 | ok $? "Unique event timestamps with clock override: $unique_timestamps_count expect 1" | |
172 | } | |
173 | ||
174 | # MUST set TESTDIR before calling those functions | |
175 | plan_tests $NUM_TESTS | |
176 | ||
177 | print_test_banner "$TEST_DESC" | |
178 | ||
179 | TESTS=( | |
180 | "test_clock_override_metadata" | |
181 | "test_clock_override_timestamp" | |
182 | ) | |
183 | ||
184 | TEST_COUNT=${#TESTS[@]} | |
185 | i=0 | |
186 | ||
187 | if [ "$(id -u)" == "0" ]; then | |
188 | isroot=1 | |
189 | else | |
190 | isroot=0 | |
191 | fi | |
192 | ||
193 | skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS || | |
194 | { | |
195 | trap signal_cleanup SIGTERM SIGINT | |
196 | ||
197 | while [ "$i" -lt "$TEST_COUNT" ]; do | |
198 | ||
199 | TRACE_PATH=$(mktemp -d) | |
200 | ||
201 | # Execute test | |
202 | ${TESTS[$i]} | |
203 | ||
204 | rm -rf $TRACE_PATH | |
205 | ||
206 | let "i++" | |
207 | done | |
208 | } |