3 # Copyright (C) 2015 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
5 # SPDX-License-Identifier: LGPL-2.1-only
7 TEST_DESC
="UST - Clock override plugin"
10 TESTDIR
=$CURDIR/..
/..
/..
11 SESSION_NAME
="clock_override"
13 TESTAPP_PATH
="$TESTDIR/utils/testapp"
14 TESTAPP_NAME
="gen-ust-events"
15 TESTAPP_BIN
="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
17 EVENT_NAME
="tp:tptest"
18 LTTNG_UST_CLOCK_PLUGIN_SO
="lttng-ust-clock-override-test.so"
21 METADATA_CLOCK_START_TOKEN
="clock {"
22 METADATA_CLOCK_END_TOKEN
="};"
31 UST_CLOCK_TOKEN_VALUE
=(
32 "lttng_test_clock_override"
33 "83c63deb-7aa4-48fb-abda-946f400d76e6"
34 "Freeze time with 1KHz for regression test"
40 source $TESTDIR/utils
/utils.sh
42 # MUST set TESTDIR before calling those functions
45 $TESTAPP_BIN -i $NUM_EVENT
46 ok $?
"Application done"
49 function extract_clock_metadata
()
51 local metadata_file
=$1
52 local clock_metadata_file_destination
=$2
54 |
sed -n "/$METADATA_CLOCK_START_TOKEN/,/$METADATA_CLOCK_END_TOKEN/p" \
55 > $clock_metadata_file_destination
56 ok $?
"Clock metadata extraction"
59 function extract_clock_metadata_token
()
61 local clock_metadata_file
=$1
63 # Look for token and get value between ""
64 cat $clock_metadata_file |
grep $token |
awk -F"= |;" '{print $2}' |
tr -d '"'
67 function test_getcpu_override_metadata
()
69 local ctf_metadata_file
=$
(TMPDIR
="$TRACE_PATH" mktemp
-t ctf-metadata.XXXXXX
)
70 local clock_metadata_file
=$
(TMPDIR
="$TRACE_PATH" mktemp
-t clock-metadata.XXXXXX
)
73 diag
"Clock override plugin metadata test"
75 # LTTNG_UST_CLOCK_PLUGIN need to be defined for lttng-sessiond.
76 export LTTNG_UST_CLOCK_PLUGIN
=$CURDIR/.libs
/$LTTNG_UST_CLOCK_PLUGIN_SO
78 unset LTTNG_UST_CLOCK_PLUGIN
80 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
81 enable_ust_lttng_event_ok
$SESSION_NAME "$EVENT_NAME"
82 start_lttng_tracing_ok
$SESSION_NAME
84 stop_lttng_tracing_ok
$SESSION_NAME
85 destroy_lttng_session_ok
$SESSION_NAME
88 local TRACE_METADATA_FILE_PATH
="$(find "$TRACE_PATH" -name metadata -type f)"
89 local TRACE_METADATA_DIR
="$(dirname "$TRACE_METADATA_FILE_PATH")"
91 _run_babeltrace_cmd
-o ctf-metadata
-w $ctf_metadata_file $TRACE_METADATA_DIR
92 ok $?
"Metadata extraction from babeltrace"
94 extract_clock_metadata
$ctf_metadata_file $clock_metadata_file
96 test ${#METADATA_TOKEN_LIST[@]} -eq ${#UST_CLOCK_TOKEN_VALUE[@]}
97 ok $?
"Tokens to check(${#METADATA_TOKEN_LIST[@]}) and provided values(${#UST_CLOCK_TOKEN_VALUE[@]}) count is equal"
100 while [ "$counter" -lt "${#METADATA_TOKEN_LIST[@]}" ]; do
101 result
=$
(extract_clock_metadata_token
$clock_metadata_file \
102 ${METADATA_TOKEN_LIST[$counter]})
103 test "$result" == "${UST_CLOCK_TOKEN_VALUE[$counter]}"
104 ok $?
"Token \"${METADATA_TOKEN_LIST[$counter]}\" expect:${UST_CLOCK_TOKEN_VALUE[$counter]} got:$result"
107 rm -rf $ctf_metadata_file
108 rm -rf $clock_metadata_file
111 function test_getcpu_override_timestamp
()
113 diag
"Clock override test"
115 # Test without the plugin
116 diag
"Plugin disabled"
118 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
119 enable_ust_lttng_event_ok
$SESSION_NAME "$EVENT_NAME"
120 start_lttng_tracing_ok
$SESSION_NAME
122 stop_lttng_tracing_ok
$SESSION_NAME
123 destroy_lttng_session_ok
$SESSION_NAME
125 # Use Babeltrace with "-n all" to give a comma separated list for
126 # easy extraction of timestamps.
127 unique_timestamps_count
=$
(_run_babeltrace_cmd
-n all
$TRACE_PATH | \
128 cut
-d, -f1 |
uniq |
wc -l)
129 test $unique_timestamps_count -gt 1
130 ok $?
"Unique event timestamps without clock override: $unique_timestamps_count expect >1"
133 # Test with clock override plugin.
134 # LTTNG_UST_CLOCK_PLUGIN need to be defined for both lttng-sessiond.
135 diag
"Plugin enabled"
136 export LTTNG_UST_CLOCK_PLUGIN
=$CURDIR/.libs
/$LTTNG_UST_CLOCK_PLUGIN_SO
138 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
139 enable_ust_lttng_event_ok
$SESSION_NAME "$EVENT_NAME"
140 start_lttng_tracing_ok
$SESSION_NAME
142 unset LTTNG_UST_CLOCK_PLUGIN
143 stop_lttng_tracing_ok
$SESSION_NAME
144 destroy_lttng_session_ok
$SESSION_NAME
147 # Use Babeltrace with "-n all" to give a comma separated list for
148 # easy extraction of timestamps.
149 unique_timestamps_count
=$
(_run_babeltrace_cmd
-n all
$TRACE_PATH | \
150 cut
-d, -f1 |
uniq |
wc -l)
151 test $unique_timestamps_count -eq 1
152 ok $?
"Unique event timestamps with clock override: $unique_timestamps_count expect 1"
155 plan_tests
$NUM_TESTS
157 print_test_banner
"$TEST_DESC"
159 if [ -x "$CURDIR/$LIBS_DIR/$LTTNG_UST_CLOCK_PLUGIN_SO" ]; then
165 skip
$foundobj "No shared object generated. Skipping all tests." $NUM_TESTS && exit 0
168 "test_getcpu_override_metadata"
169 "test_getcpu_override_timestamp"
172 TEST_COUNT
=${#TESTS[@]}
175 while [ "$i" -lt "$TEST_COUNT" ]; do
177 TRACE_PATH
=$
(mktemp
-d -t tmp.test_clock_override_ust_trace_path.XXXXXX
)