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a788a3ed DG |
1 | #!/bin/bash |
2 | # | |
3 | # Copyright (C) - 2012 David Goulet <dgoulet@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 | TEST_DESC="UST tracer - Tracing with per UID buffers and periodical flush" | |
18 | ||
19 | CURDIR=$(dirname $0)/ | |
20 | TESTDIR=$CURDIR/../../.. | |
21 | NR_ITER=100 | |
22 | SESSION_NAME="periodical-flush" | |
23 | EVENT_NAME="ust_gen_nevents:tptest" | |
24 | BIN_NAME="gen-nevents" | |
25 | NUM_TESTS=38 | |
26 | ||
27 | source $TESTDIR/utils/utils.sh | |
28 | ||
29 | if [ ! -x "$CURDIR/gen-nevents" ]; then | |
30 | BAIL_OUT "No UST nevents binary detected." | |
31 | fi | |
32 | ||
33 | # MUST set TESTDIR before calling those functions | |
34 | ||
35 | function enable_channel_per_uid() | |
36 | { | |
37 | local sess_name=$1 | |
38 | local channel_name=$2 | |
39 | ||
40 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name >/dev/null 2>&1 | |
41 | ok $? "Enable channel $channel_name per UID for session $sess_name" | |
42 | } | |
43 | ||
44 | function enable_metadata_per_uid() | |
45 | { | |
46 | local sess_name=$1 | |
47 | local channel_name="metadata" | |
48 | ||
49 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --switch-timer 200000 >/dev/null 2>&1 | |
50 | ok $? "Enable channel $channel_name per UID for session $sess_name" | |
51 | } | |
52 | ||
53 | function enable_metadata_per_pid() | |
54 | { | |
55 | local sess_name=$1 | |
56 | local channel_name="metadata" | |
57 | ||
58 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-pid -u $channel_name -s $sess_name --switch-timer 200000 >/dev/null 2>&1 | |
59 | ok $? "Enable channel $channel_name per PID for session $sess_name" | |
60 | } | |
61 | ||
62 | function wait_apps | |
63 | { | |
64 | diag "Waiting for applications to end..." | |
65 | while [ -n "$(pidof $BIN_NAME)" ]; do | |
66 | sleep 1 | |
67 | done | |
68 | } | |
69 | ||
70 | test_after_app_pid() { | |
71 | local out | |
72 | ||
73 | diag "Start application AFTER tracing is started" | |
74 | ||
75 | # BEFORE application is spawned | |
76 | create_lttng_session $SESSION_NAME $TRACE_PATH | |
77 | enable_metadata_per_pid $SESSION_NAME | |
78 | enable_ust_lttng_channel $SESSION_NAME "channel0" | |
79 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME | |
80 | start_lttng_tracing $SESSION_NAME | |
81 | ||
82 | ./$CURDIR/$BIN_NAME $NR_ITER | |
83 | ok $? "Start application to trace" | |
84 | ||
85 | stop_lttng_tracing $SESSION_NAME | |
86 | destroy_lttng_session $SESSION_NAME | |
87 | ||
88 | trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH | |
89 | ||
90 | return $? | |
91 | } | |
92 | ||
93 | test_before_app_pid() { | |
94 | local out | |
95 | ||
96 | diag "Start application BEFORE tracing is started" | |
97 | ||
98 | ./$CURDIR/$BIN_NAME $NR_ITER & | |
99 | ok $? "Start application to trace" | |
100 | ||
101 | # BEFORE application is spawned | |
102 | create_lttng_session $SESSION_NAME $TRACE_PATH | |
103 | enable_metadata_per_pid $SESSION_NAME | |
104 | enable_ust_lttng_channel $SESSION_NAME "channel0" | |
105 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME | |
106 | start_lttng_tracing $SESSION_NAME | |
107 | ||
108 | # At least hit one event | |
109 | sleep 2 | |
110 | ||
111 | stop_lttng_tracing $SESSION_NAME | |
112 | destroy_lttng_session $SESSION_NAME | |
113 | ||
114 | out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l) | |
115 | if [ $out -eq 0 ]; then | |
116 | fail "Trace validation" | |
117 | diag "No event(s) found. We are supposed to have at least one." | |
118 | out=1 | |
119 | else | |
120 | pass "Trace validation" | |
121 | diag "Found $out event(s). Coherent." | |
122 | out=0 | |
123 | fi | |
124 | ||
125 | wait_apps | |
126 | ||
127 | return $out | |
128 | } | |
129 | ||
130 | test_after_app_uid() { | |
131 | local out | |
132 | ||
133 | diag "Start application AFTER tracing is started" | |
134 | ||
135 | # BEFORE application is spawned | |
136 | create_lttng_session $SESSION_NAME $TRACE_PATH | |
137 | enable_metadata_per_uid $SESSION_NAME | |
138 | enable_channel_per_uid $SESSION_NAME "channel0" | |
139 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME | |
140 | start_lttng_tracing $SESSION_NAME | |
141 | ||
142 | ./$CURDIR/$BIN_NAME $NR_ITER | |
143 | ok $? "Start application to trace" | |
144 | ||
145 | stop_lttng_tracing $SESSION_NAME | |
146 | destroy_lttng_session $SESSION_NAME | |
147 | ||
148 | trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH | |
149 | ||
150 | return $? | |
151 | } | |
152 | ||
153 | test_before_app_uid() { | |
154 | local out | |
155 | ||
156 | diag "Start application BEFORE tracing is started" | |
157 | ||
158 | ./$CURDIR/$BIN_NAME $NR_ITER & | |
159 | ok $? "Start application to trace" | |
160 | ||
161 | # BEFORE application is spawned | |
162 | create_lttng_session $SESSION_NAME $TRACE_PATH | |
163 | enable_metadata_per_uid $SESSION_NAME | |
164 | enable_channel_per_uid $SESSION_NAME "channel0" | |
165 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME | |
166 | start_lttng_tracing $SESSION_NAME | |
167 | ||
168 | # At least hit one event | |
169 | sleep 2 | |
170 | ||
171 | stop_lttng_tracing $SESSION_NAME | |
172 | destroy_lttng_session $SESSION_NAME | |
173 | ||
174 | out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l) | |
175 | if [ $out -eq 0 ]; then | |
176 | fail "Trace validation" | |
177 | diag "No event(s) found. We are supposed to have at least one." | |
178 | out=1 | |
179 | else | |
180 | pass "Trace validation" | |
181 | diag "Found $out event(s). Coherent." | |
182 | out=0 | |
183 | fi | |
184 | ||
185 | wait_apps | |
186 | ||
187 | return $out | |
188 | } | |
189 | ||
190 | # MUST set TESTDIR before calling those functions | |
191 | plan_tests $NUM_TESTS | |
192 | ||
193 | print_test_banner "$TEST_DESC" | |
194 | ||
195 | TESTS=( | |
196 | "test_before_app_uid" | |
197 | "test_after_app_uid" | |
198 | "test_before_app_pid" | |
199 | "test_after_app_pid" | |
200 | ) | |
201 | ||
202 | TEST_COUNT=${#TESTS[@]} | |
203 | i=0 | |
204 | ||
205 | start_lttng_sessiond | |
206 | ||
207 | while [ $i -lt $TEST_COUNT ]; do | |
208 | TRACE_PATH=$(mktemp -d) | |
209 | ${TESTS[$i]} | |
210 | #rm -rf $TRACE_PATH | |
211 | let "i++" | |
212 | done | |
213 | ||
214 | stop_lttng_sessiond |