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34497a63 CB |
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 | TESTAPP_PATH="$TESTDIR/utils/testapp" | |
26 | TESTAPP_NAME="gen-ust-events" | |
27 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" | |
28 | ||
29 | NUM_TESTS=47 | |
30 | ||
31 | source $TESTDIR/utils/utils.sh | |
32 | ||
33 | if [ ! -x "$TESTAPP_BIN" ]; then | |
34 | BAIL_OUT "No UST events binary detected." | |
35 | fi | |
36 | ||
37 | function wait_apps | |
38 | { | |
39 | while [ -n "$(pidof $TESTAPP_NAME)" ]; do | |
40 | sleep 0.5 | |
41 | done | |
42 | pass "Wait for applications to end" | |
43 | } | |
44 | ||
45 | function enable_lttng_channel_size_limit () | |
46 | { | |
47 | sess_name="$1" | |
48 | channel_name="$2" | |
49 | tracefile_size_limit="$3" | |
50 | ||
51 | test_name="Enable channel $channel_name " | |
52 | test_name+="for session $sess_name: " | |
53 | test_name+="$tracefile_size_limit bytes tracefile limit" | |
54 | ||
55 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel \ | |
c1b8e6f8 | 56 | -u $channel_name -s $sess_name --buffers-pid \ |
34497a63 CB |
57 | -C $tracefile_size_limit >/dev/null 2>&1 |
58 | ||
59 | ok $? "$test_name" | |
60 | } | |
61 | ||
62 | function enable_ust_lttng_event_per_channel () | |
63 | { | |
64 | sess_name="$1" | |
65 | event_name="$2" | |
66 | channel_name="$3" | |
67 | ||
68 | test_name="Enable event $event_name " | |
69 | test_name+="for session $sess_name " | |
70 | test_name+="in channel $channel_name" | |
71 | ||
72 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" \ | |
73 | -s $sess_name -u -c $channel_name >/dev/null 2>&1 | |
74 | ||
75 | ok $? "$test_name" | |
76 | } | |
77 | ||
78 | function check_file_size () | |
79 | { | |
80 | path="$1" | |
81 | file_pattern="$2" | |
82 | expected_max_size="$3" | |
83 | ||
84 | find $path -name "$file_pattern" -exec stat -c '%n %s' {} \; \ | |
85 | | while read file_info; | |
86 | do | |
87 | name=$(echo $file_info | cut -f1 -d ' ') | |
88 | size=$(echo $file_info | cut -f2 -d ' ') | |
89 | ||
90 | if [ "$size" -gt "$expected_max_size" ]; then | |
91 | diag_msg="file: $name size: $size" | |
92 | diag_msg+="expected maximum size: $expected_max_size" | |
93 | diag "$diag_msg" | |
94 | exit 1 | |
95 | fi | |
96 | done | |
97 | ||
98 | ok $? "File size validation" | |
99 | } | |
100 | ||
101 | function test_tracefile_size_limit () | |
102 | { | |
103 | size_limit="$1" | |
104 | trace_path=$(mktemp -d) | |
105 | session_name=$(randstring 16 0) | |
106 | channel_name="channel" | |
107 | event_name="tp:tptest" | |
108 | ||
109 | diag "Test tracefile size limit : $size_limit bytes" | |
110 | ||
111 | create_lttng_session $session_name $trace_path | |
112 | ||
113 | enable_lttng_channel_size_limit \ | |
114 | $session_name $channel_name $size_limit | |
115 | ||
116 | enable_ust_lttng_event_per_channel \ | |
117 | $session_name $event_name $channel_name | |
118 | ||
119 | start_lttng_tracing $session_name | |
120 | ||
121 | $TESTAPP_BIN $NR_ITER >/dev/null 2>&1 & | |
122 | ||
123 | wait_apps | |
124 | ||
125 | stop_lttng_tracing $session_name | |
126 | ||
127 | destroy_lttng_session $session_name | |
128 | ||
129 | # Validate file size, each one shall be no larger than the | |
130 | # specified size limit | |
131 | ||
132 | check_file_size $trace_path "${channel_name}_*" $size_limit | |
133 | ||
134 | # Validate tracing data, we should at least have some events | |
135 | ||
136 | validate_trace $event_name $trace_path | |
137 | ||
138 | rm -rf $trace_path | |
139 | } | |
140 | ||
141 | plan_tests $NUM_TESTS | |
142 | ||
143 | print_test_banner "$TEST_DESC" | |
144 | ||
145 | start_lttng_sessiond | |
146 | ||
147 | LIMITS=("4096" "8192" "16384" "32768" "65536") | |
148 | ||
149 | for limit in ${LIMITS[@]}; | |
150 | do | |
151 | test_tracefile_size_limit $limit | |
152 | done | |
153 | ||
154 | stop_lttng_sessiond |