3 # Copyright (C) 2017 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
5 # SPDX-License-Identifier: LGPL-2.1-only
7 CURDIR
=$
(dirname "$0")/
8 TESTDIR
=$CURDIR/..
/..
/..
/
12 #This is needed since the testpoint create a pipe with the consumerd type suffixed
13 TESTPOINT_BASE_PATH
=$
(readlink
-f "$TMPDIR/lttng.t_p_n")
14 TESTPOINT_PIPE_PATH
=$
(mktemp
-u "${TESTPOINT_BASE_PATH}.XXXXXX")
15 TESTPOINT
=$
(readlink
-f "${CURDIR}/.libs/libpause_consumer.so")
17 TESTAPP_PATH
="$TESTDIR/utils/testapp"
19 GEN_UST_EVENTS_TESTAPP_NAME
="gen-ust-events"
20 GEN_UST_EVENTS_TESTAPP_BIN
="$TESTAPP_PATH/$GEN_UST_EVENTS_TESTAPP_NAME/$GEN_UST_EVENTS_TESTAPP_NAME"
22 TESTAPP_STATE_PATH
=$
(mktemp
-u "$TMPDIR/application_state.XXXXXXXXXX")
24 SESSION_NAME
="my_session"
25 CHANNEL_NAME
="my_channel"
27 TRACE_PATH
=$
(mktemp
-d)
28 PAGE_SIZE
=$
(getconf PAGE_SIZE
)
30 # shellcheck source=../../../utils/utils.sh
31 source "$TESTDIR/utils/utils.sh"
33 function ust_event_generator_toggle_state
35 ust_event_generator_suspended
=$
((ust_event_generator_suspended
==0))
38 function ust_event_generator
42 ust_event_generator_suspended
=0
43 trap ust_event_generator_toggle_state SIGUSR1
46 if [[ $ust_event_generator_suspended -eq "1" ]]; then
50 if [[ -f $state_file ]]; then
51 rm -rf $state_file 2> /dev
/null
53 taskset
-c 0 $test_app -i $NR_ITER -w $NR_USEC_WAIT > /dev
/null
2>&1
58 function test_buffer_usage_notification
61 event_name
="tp:tptest"
63 create_lttng_session_notap
$SESSION_NAME "$TRACE_PATH"
65 enable_ust_lttng_channel_notap
$SESSION_NAME $CHANNEL_NAME --subbuf-size="$PAGE_SIZE"
66 enable_ust_lttng_event_notap
$SESSION_NAME $event_name $CHANNEL_NAME
68 # This is needed since the testpoint create a pipe with the consumer type suffixed
69 for f
in "$TESTPOINT_BASE_PATH"*; do
70 consumerd_pipe
+=("$f")
73 ust_event_generator
$GEN_UST_EVENTS_TESTAPP_BIN $TESTAPP_STATE_PATH &
76 "$CURDIR/notification" 2 LTTNG_DOMAIN_UST
$SESSION_NAME $CHANNEL_NAME $APP_PID "$TESTAPP_STATE_PATH" "${consumerd_pipe[@]}"
78 destroy_lttng_session_notap
$SESSION_NAME
80 # On ungraceful kill the app is cleaned up via the full_cleanup call
81 # Suppress kill message
83 wait $APP_PID 2> /dev
/null
85 # Just in case cleanup
89 LTTNG_SESSIOND_ENV_VARS
="LTTNG_TESTPOINT_ENABLE=1 CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} LD_PRELOAD=${TESTPOINT}"
90 start_lttng_sessiond_notap
92 test_buffer_usage_notification
94 stop_lttng_sessiond_notap