3 # Copyright (C) 2017 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
5 # SPDX-License-Identifier: LGPL-2.1-only
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 ${CURDIR}/.libs
/libpause_consumer.so
)
18 TESTAPP_PATH
="$TESTDIR/utils/testapp"
19 TESTAPP_NAME
="gen-ust-events"
20 TESTAPP_BIN
="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
21 TESTAPP_STATE_PATH
=$
(mktemp
-u "$TMPDIR/application_state.XXXXXXXXXX")
23 SYSCALL_TESTAPP_NAME
="gen-syscall-events"
24 SYSCALL_TESTAPP_BIN
="$TESTAPP_PATH/$SYSCALL_TESTAPP_NAME/$SYSCALL_TESTAPP_NAME"
26 USERSPACE_PROBE_ELF_TESTAPP_NAME
="userspace-probe-elf-binary"
27 USERSPACE_PROBE_ELF_TESTAPP_BIN
="$TESTAPP_PATH/$USERSPACE_PROBE_ELF_TESTAPP_NAME/.libs/$USERSPACE_PROBE_ELF_TESTAPP_NAME"
29 SESSION_NAME
="my_session"
30 CHANNEL_NAME
="my_channel"
32 TRACE_PATH
=$
(mktemp
-d)
33 PAGE_SIZE
=$
(getconf PAGE_SIZE
)
35 DIR
=$
(readlink
-f $TESTDIR)
38 source $TESTDIR/utils
/utils.sh
40 function kernel_event_generator_toggle_state
42 kernel_event_generator_suspended
=$
((kernel_event_generator_suspended
==0))
45 function generate_filter_events
47 /bin
/echo -n "10" > /proc
/lttng-test-filter-event
2> /dev
/null
50 function kernel_event_generator
54 kernel_event_generator_suspended
=0
55 trap kernel_event_generator_toggle_state SIGUSR1
58 if [[ $kernel_event_generator_suspended -eq "1" ]]; then
62 if [[ -f $state_file ]]; then
63 rm $state_file 2> /dev
/null
70 function test_buffer_usage_notification
72 local consumerd_pipe
=$1
73 local event_name
="lttng_test_filter_event"
75 create_lttng_session_notap
$SESSION_NAME $TRACE_PATH
77 lttng_enable_kernel_channel_notap
$SESSION_NAME $CHANNEL_NAME \
78 --subbuf-size=$PAGE_SIZE
79 enable_kernel_lttng_event_notap
$SESSION_NAME $event_name $CHANNEL_NAME
81 kernel_event_generator generate_filter_events
$TESTAPP_STATE_PATH &
84 $CURDIR/notification
2 LTTNG_DOMAIN_KERNEL
$APP_PID $TESTAPP_STATE_PATH \
85 $SESSION_NAME $CHANNEL_NAME ${consumerd_pipe[@]}
87 destroy_lttng_session_notap
$SESSION_NAME
90 wait $APP_PID 2> /dev
/null
93 if [ "$(id -u)" == "0" ]; then
96 validate_lttng_modules_present
98 # This is needed since the testpoint create a pipe with the consumer
100 for f
in "$TESTPOINT_BASE_PATH"*; do
101 consumerd_pipe
+=("$f")
106 LTTNG_SESSIOND_ENV_VARS
="LTTNG_TESTPOINT_ENABLE=1 \
107 CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} \
108 LD_PRELOAD=${TESTPOINT}"
110 start_lttng_sessiond_notap
112 test_buffer_usage_notification
$consumerd_pipe
114 stop_lttng_sessiond_notap
117 rm -rf ${consumerd_pipe[@]} 2> /dev
/null
119 # Kernel tests are skipped.
120 plan_tests
$NUM_TESTS
121 skip
0 "Root access is needed. Skipping all kernel notification tests." $NUM_TESTS
124 # Just in case cleanup