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854382b8 JR |
1 | #!/bin/bash |
2 | # | |
9d16b343 | 3 | # Copyright (C) 2017 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com> |
854382b8 | 4 | # |
9d16b343 | 5 | # SPDX-License-Identifier: LGPL-2.1-only |
854382b8 JR |
6 | |
7 | CURDIR=$(dirname $0)/ | |
8 | TESTDIR=$CURDIR/../../../ | |
9 | ||
345ed219 JR |
10 | TMPDIR=$(mktemp -d) |
11 | ||
854382b8 | 12 | #This is needed since the testpoint create a pipe with the consumerd type suffixed |
345ed219 | 13 | TESTPOINT_BASE_PATH=$(readlink -f "$TMPDIR/lttng.t_p_n") |
854382b8 JR |
14 | TESTPOINT_PIPE_PATH=$(mktemp -u "${TESTPOINT_BASE_PATH}.XXXXXX") |
15 | TESTPOIT_ARGS="CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} LTTNG_TESTPOINT_ENABLE=1" | |
16 | TESTPOINT=$(readlink -f ${CURDIR}/.libs/libpause_consumer.so) | |
17 | ||
18 | ||
19 | TESTAPP_PATH="$TESTDIR/utils/testapp" | |
20 | TESTAPP_NAME="gen-ust-events" | |
21 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" | |
345ed219 | 22 | TESTAPP_STATE_PATH=$(mktemp -u "$TMPDIR/application_state.XXXXXXXXXX") |
854382b8 JR |
23 | |
24 | NR_ITER=-1 | |
25 | NR_USEC_WAIT=5 | |
26 | ||
27 | SESSION_NAME="my_session" | |
28 | CHANNEL_NAME="my_channel" | |
29 | ||
30 | TRACE_PATH=$(mktemp -d) | |
31 | PAGE_SIZE=$(getconf PAGE_SIZE) | |
32 | ||
33 | DIR=$(readlink -f $TESTDIR) | |
34 | NUM_TESTS=104 | |
35 | ||
36 | source $TESTDIR/utils/utils.sh | |
37 | ||
38 | function kernel_event_generator_toogle_state | |
39 | { | |
40 | kernel_event_generator_suspended=$((kernel_event_generator_suspended==0)) | |
41 | ||
42 | } | |
43 | function kernel_event_generator | |
44 | { | |
45 | state_file=$1 | |
46 | kernel_event_generator_suspended=0 | |
47 | trap kernel_event_generator_toogle_state SIGUSR1 | |
3be453c9 | 48 | |
854382b8 JR |
49 | while (true); do |
50 | if [[ $kernel_event_generator_suspended -eq "1" ]]; then | |
51 | touch $state_file | |
52 | sleep 0.5 | |
53 | else | |
54 | if [[ -f $state_file ]]; then | |
55 | rm $state_file 2> /dev/null | |
56 | fi | |
57 | echo -n "1000" > /proc/lttng-test-filter-event 2> /dev/null | |
58 | fi | |
59 | done | |
60 | } | |
61 | ||
62 | function kernel_test | |
63 | { | |
64 | local consumerd_pipe=() | |
65 | local event_name="lttng_test_filter_event" | |
66 | ||
67 | modprobe lttng-test | |
68 | ||
69 | LTTNG_SESSIOND_ENV_VARS="LTTNG_TESTPOINT_ENABLE=1 CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} LD_PRELOAD=${TESTPOINT}" | |
70 | start_lttng_sessiond_notap | |
71 | ||
72 | create_lttng_session_notap $SESSION_NAME $TRACE_PATH | |
73 | ||
74 | lttng_enable_kernel_channel_notap $SESSION_NAME $CHANNEL_NAME --subbuf-size=$PAGE_SIZE | |
75 | enable_kernel_lttng_event_notap $SESSION_NAME $event_name $CHANNEL_NAME | |
76 | ||
77 | #This is needed since the testpoint create a pipe with the consumer type suffixed | |
78 | for f in "$TESTPOINT_BASE_PATH"*; do | |
79 | consumerd_pipe+=("$f") | |
80 | done | |
81 | ||
82 | kernel_event_generator $TESTAPP_STATE_PATH & | |
83 | APP_PID=$! | |
84 | ||
85 | $CURDIR/notification LTTNG_DOMAIN_KERNEL $SESSION_NAME $CHANNEL_NAME $APP_PID $TESTAPP_STATE_PATH ${consumerd_pipe[@]} | |
86 | ||
87 | destroy_lttng_session_notap $SESSION_NAME | |
88 | stop_lttng_sessiond_notap | |
89 | ||
90 | kill -9 $APP_PID | |
91 | wait $APP_PID 2> /dev/null | |
92 | ||
93 | ||
94 | rmmod lttng-test | |
95 | ||
345ed219 | 96 | rm -rf ${consumerd_pipe[@]} 2> /dev/null |
854382b8 JR |
97 | } |
98 | ||
99 | if [ "$(id -u)" == "0" ]; then | |
5da3fc85 | 100 | validate_lttng_modules_present |
854382b8 JR |
101 | kernel_test |
102 | else | |
103 | # Kernel tests are skipped. | |
104 | plan_tests $NUM_TESTS | |
105 | skip 0 "Root access is needed. Skipping all kernel notification tests." $NUM_TESTS | |
106 | fi | |
107 | ||
108 | # Just in case cleanup | |
109 | rm -rf $TRACE_PATH | |
345ed219 | 110 | rm -rf $TMPDIR |