Gen-ust-events: use options instead of arguments
[lttng-tools.git] / tests / regression / tools / tracefile-limits / test_tracefile_size
1 #!/bin/bash
2 #
3 # Copyright (C) - 2013 Christian Babeux <christian.babeux@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 TEST_DESC="Tracefile size limits"
19
20 CURDIR=$(dirname $0)/
21 TESTDIR=$CURDIR/../../..
22
23 NR_ITER=1000
24
25 PAGE_SIZE=$(getconf PAGE_SIZE)
26
27 TESTAPP_PATH="$TESTDIR/utils/testapp"
28 TESTAPP_NAME="gen-ust-events"
29 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
30
31 NUM_TESTS=66
32
33 source $TESTDIR/utils/utils.sh
34
35 if [ ! -x "$TESTAPP_BIN" ]; then
36 BAIL_OUT "No UST events binary detected."
37 fi
38
39 function enable_lttng_channel_size_limit ()
40 {
41 sess_name="$1"
42 channel_name="$2"
43 tracefile_size_limit="$3"
44
45 test_name="Enable channel $channel_name "
46 test_name+="for session $sess_name: "
47 test_name+="$tracefile_size_limit bytes tracefile limit"
48
49 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel \
50 -u $channel_name -s $sess_name --buffers-pid \
51 --subbuf-size=$PAGE_SIZE \
52 -C $tracefile_size_limit >/dev/null 2>&1
53
54 ok $? "$test_name"
55 }
56
57 function enable_ust_lttng_event_per_channel ()
58 {
59 sess_name="$1"
60 event_name="$2"
61 channel_name="$3"
62
63 test_name="Enable event $event_name "
64 test_name+="for session $sess_name "
65 test_name+="in channel $channel_name"
66
67 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" \
68 -s $sess_name -u -c $channel_name >/dev/null 2>&1
69
70 ok $? "$test_name"
71 }
72
73 function check_file_size ()
74 {
75 path="$1"
76 file_pattern="$2"
77 expected_max_size="$3"
78
79 find $path -name "$file_pattern" -exec stat -c '%n %s' {} \; \
80 | while read file_info;
81 do
82 name=$(echo $file_info | cut -f1 -d ' ')
83 size=$(echo $file_info | cut -f2 -d ' ')
84
85 if [ "$size" -gt "$expected_max_size" ]; then
86 diag_msg="file: $name size: $size"
87 diag_msg+="expected maximum size: $expected_max_size"
88 diag "$diag_msg"
89 exit 1
90 fi
91 done
92
93 ok $? "File size validation"
94 }
95
96 function test_tracefile_size_limit ()
97 {
98 size_limit="$1"
99 trace_path=$(mktemp -d)
100 session_name=$(randstring 16 0)
101 channel_name="channel"
102 event_name="tp:tptest"
103
104 diag "Test tracefile size limit : $size_limit bytes"
105
106 create_lttng_session_ok $session_name $trace_path
107
108 enable_lttng_channel_size_limit \
109 $session_name $channel_name $size_limit
110
111 enable_ust_lttng_event_per_channel \
112 $session_name $event_name $channel_name
113
114 start_lttng_tracing_ok $session_name
115
116 $TESTAPP_BIN -i $NR_ITER >/dev/null 2>&1
117
118 stop_lttng_tracing_ok $session_name
119
120 destroy_lttng_session_ok $session_name
121
122 # Validate file size, each one shall be no larger than the
123 # specified size limit
124
125 check_file_size $trace_path "${channel_name}_*" $size_limit
126
127 # Validate tracing data, we should at least have some events
128
129 validate_trace $event_name $trace_path
130
131 rm -rf $trace_path
132 }
133
134 function test_tracefile_size_limit_pagesize ()
135 {
136 # Set a size limit lower than the page_size
137 size_limit="$(($PAGE_SIZE-2))"
138 trace_path=$(mktemp -d)
139 session_name=$(randstring 16 0)
140 channel_name="channel"
141 event_name="tp:tptest"
142
143 diag "Test tracefile size limit lower than PAGE_SIZE : $size_limit bytes"
144
145 create_lttng_session_ok $session_name $trace_path
146
147 enable_lttng_channel_size_limit \
148 $session_name $channel_name $size_limit
149
150 enable_ust_lttng_event_per_channel \
151 $session_name $event_name $channel_name
152
153 start_lttng_tracing_ok $session_name
154
155 $TESTAPP_BIN -i $NR_ITER >/dev/null 2>&1
156
157 stop_lttng_tracing_ok $session_name
158
159 destroy_lttng_session_ok $session_name
160
161 # Validate file size, expect file size to be equal to the page size
162
163 check_file_size $trace_path "${channel_name}_*" $PAGE_SIZE
164
165 # Validate tracing data, we should at least have some events
166
167 validate_trace $event_name $trace_path
168
169 rm -rf $trace_path
170 }
171
172 plan_tests $NUM_TESTS
173
174 print_test_banner "$TEST_DESC"
175
176 start_lttng_sessiond
177
178 # Test with multiples of PAGE_SIZE
179 LIMITS=("$(($PAGE_SIZE))"
180 "$(($PAGE_SIZE*2))"
181 "$(($PAGE_SIZE*4))"
182 "$(($PAGE_SIZE*8))"
183 "$(($PAGE_SIZE*16))"
184 "$(($PAGE_SIZE*32))")
185
186 for limit in ${LIMITS[@]};
187 do
188 test_tracefile_size_limit $limit
189 done
190
191 # Test with a value that is not a multiple of PAGE_SIZE
192 test_tracefile_size_limit "$(($PAGE_SIZE+1024))"
193
194 # Test that a value lower than the PAGE_SIZE is rounded to it
195 test_tracefile_size_limit_pagesize
196
197 stop_lttng_sessiond
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