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1 | #!/bin/bash |
2 | # | |
3 | # Copyright (C) - 2017 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com> | |
4 | # | |
5 | # This library is free software; you can redistribute it and/or modify it under | |
6 | # the terms of the GNU Lesser General Public License as published by the Free | |
7 | # Software Foundation; version 2.1 of the License. | |
8 | # | |
9 | # This library is distributed in the hope that it will be useful, but WITHOUT | |
10 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
11 | # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more | |
12 | # details. | |
13 | # | |
14 | # You should have received a copy of the GNU Lesser General Public License | |
15 | # along with this library; if not, write to the Free Software Foundation, Inc., | |
16 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | ||
18 | CURDIR=$(dirname $0)/ | |
19 | TESTDIR=$CURDIR/../../../ | |
20 | ||
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21 | TMPDIR=$(mktemp -d) |
22 | ||
60c78fd5 | 23 | #This is needed since the testpoint create a pipe with the consumerd type suffixed |
9bca1ab3 | 24 | TESTPOINT_BASE_PATH=$(readlink -f "$TMPDIR/lttng.t_p_n") |
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25 | TESTPOINT_PIPE_PATH=$(mktemp -u "${TESTPOINT_BASE_PATH}.XXXXXX") |
26 | TESTPOIT_ARGS="CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} LTTNG_TESTPOINT_ENABLE=1" | |
27 | TESTPOINT=$(readlink -f ${CURDIR}/.libs/libpause_consumer.so) | |
28 | ||
29 | ||
30 | TESTAPP_PATH="$TESTDIR/utils/testapp" | |
31 | TESTAPP_NAME="gen-ust-events" | |
32 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" | |
9bca1ab3 | 33 | TESTAPP_STATE_PATH=$(mktemp -u "$TMPDIR/application_state.XXXXXXXXXX") |
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34 | |
35 | NR_ITER=-1 | |
36 | NR_USEC_WAIT=5 | |
37 | ||
38 | SESSION_NAME="my_session" | |
39 | CHANNEL_NAME="my_channel" | |
40 | ||
41 | TRACE_PATH=$(mktemp -d) | |
42 | PAGE_SIZE=$(getconf PAGE_SIZE) | |
43 | ||
44 | DIR=$(readlink -f $TESTDIR) | |
45 | NUM_TESTS=104 | |
46 | ||
47 | source $TESTDIR/utils/utils.sh | |
48 | ||
49 | function kernel_event_generator_toogle_state | |
50 | { | |
51 | kernel_event_generator_suspended=$((kernel_event_generator_suspended==0)) | |
52 | ||
53 | } | |
54 | function kernel_event_generator | |
55 | { | |
56 | state_file=$1 | |
57 | kernel_event_generator_suspended=0 | |
58 | trap kernel_event_generator_toogle_state SIGUSR1 | |
59 | trap "exit" SIGTERM SIGINT EXIT | |
60 | while (true); do | |
61 | if [[ $kernel_event_generator_suspended -eq "1" ]]; then | |
62 | touch $state_file | |
63 | sleep 0.5 | |
64 | else | |
65 | if [[ -f $state_file ]]; then | |
66 | rm $state_file 2> /dev/null | |
67 | fi | |
68 | echo -n "1000" > /proc/lttng-test-filter-event 2> /dev/null | |
69 | fi | |
70 | done | |
71 | } | |
72 | ||
73 | function kernel_test | |
74 | { | |
75 | local consumerd_pipe=() | |
76 | local event_name="lttng_test_filter_event" | |
77 | ||
78 | modprobe lttng-test | |
79 | ||
80 | LTTNG_SESSIOND_ENV_VARS="LTTNG_TESTPOINT_ENABLE=1 CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} LD_PRELOAD=${TESTPOINT}" | |
81 | start_lttng_sessiond_notap | |
82 | ||
83 | create_lttng_session_notap $SESSION_NAME $TRACE_PATH | |
84 | ||
85 | lttng_enable_kernel_channel_notap $SESSION_NAME $CHANNEL_NAME --subbuf-size=$PAGE_SIZE | |
86 | enable_kernel_lttng_event_notap $SESSION_NAME $event_name $CHANNEL_NAME | |
87 | ||
88 | #This is needed since the testpoint create a pipe with the consumer type suffixed | |
89 | for f in "$TESTPOINT_BASE_PATH"*; do | |
90 | consumerd_pipe+=("$f") | |
91 | done | |
92 | ||
93 | kernel_event_generator $TESTAPP_STATE_PATH & | |
94 | APP_PID=$! | |
95 | ||
96 | $CURDIR/notification LTTNG_DOMAIN_KERNEL $SESSION_NAME $CHANNEL_NAME $APP_PID $TESTAPP_STATE_PATH ${consumerd_pipe[@]} | |
97 | ||
98 | destroy_lttng_session_notap $SESSION_NAME | |
99 | stop_lttng_sessiond_notap | |
100 | ||
101 | kill -9 $APP_PID | |
102 | wait $APP_PID 2> /dev/null | |
103 | ||
104 | ||
105 | rmmod lttng-test | |
106 | ||
9bca1ab3 | 107 | rm -rf ${consumerd_pipe[@]} 2> /dev/null |
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108 | } |
109 | ||
110 | if [ "$(id -u)" == "0" ]; then | |
111 | kernel_test | |
112 | else | |
113 | # Kernel tests are skipped. | |
114 | plan_tests $NUM_TESTS | |
115 | skip 0 "Root access is needed. Skipping all kernel notification tests." $NUM_TESTS | |
116 | fi | |
117 | ||
118 | # Just in case cleanup | |
119 | rm -rf $TRACE_PATH | |
9bca1ab3 | 120 | rm -rf $TMPDIR |