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26402e0c DG |
1 | #!/bin/bash |
2 | # | |
3 | # Copyright (C) - 2013 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="Streaming - Snapshot Kernel tracing" | |
18 | ||
19 | CURDIR=$(dirname $0)/ | |
20 | TESTDIR=$CURDIR/../../.. | |
21 | EVENT_NAME="sched_switch" | |
22 | PID_RELAYD=0 | |
23 | SESSION_NAME="" | |
24 | CHANNEL_NAME="chan1" | |
25 | ||
26 | TRACE_PATH=$(mktemp -d) | |
27 | ||
25d6f007 | 28 | NUM_TESTS=36 |
26402e0c DG |
29 | |
30 | source $TESTDIR/utils/utils.sh | |
31 | ||
32 | # LTTng kernel modules check | |
33 | out=`ls /lib/modules/$(uname -r)/extra | grep lttng` | |
34 | if [ -z "$out" ]; then | |
35 | BAIL_OUT "LTTng modules not detected." | |
36 | fi | |
37 | ||
38 | function snapshot_add_output () | |
39 | { | |
40 | local sess_name=$1 | |
41 | local trace_path=$2 | |
42 | local name=$3 | |
43 | local extra_opt="" | |
44 | ||
45 | if [ ! -z $name ]; then | |
46 | extra_opt="-n $name" | |
47 | fi | |
48 | ||
49 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot add-output -s $sess_name $extra_opt $trace_path >/dev/null 2>&1 | |
50 | ok $? "Added snapshot output $trace_path" | |
51 | } | |
52 | ||
53 | # Test a snapshot using a default name for the output destination. | |
54 | function test_kernel_default_name_with_del() | |
55 | { | |
56 | diag "Test kernel snapshot streaming with default name with delete output" | |
57 | create_lttng_session_no_output $SESSION_NAME | |
58 | enable_lttng_mmap_overwrite_kernel_channel $SESSION_NAME $CHANNEL_NAME | |
59 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME | |
e563bbdb | 60 | start_lttng_tracing_ok $SESSION_NAME |
26402e0c DG |
61 | snapshot_add_output $SESSION_NAME "net://localhost" |
62 | lttng_snapshot_record $SESSION_NAME | |
63 | ||
64 | # Validate test | |
65 | validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/snapshot-1* | |
66 | if [ $? -ne 0 ]; then | |
67 | return $? | |
68 | fi | |
69 | ||
70 | lttng_snapshot_del_output $SESSION_NAME 1 | |
71 | snapshot_add_output $SESSION_NAME "net://localhost" | |
26402e0c DG |
72 | lttng_snapshot_record $SESSION_NAME |
73 | ||
74 | # Validate test with the next ID since a del output was done prior. | |
75 | validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/snapshot-2* | |
76 | if [ $? -ne 0 ]; then | |
77 | return $? | |
78 | fi | |
79 | ||
96340a01 | 80 | stop_lttng_tracing_ok $SESSION_NAME |
26402e0c DG |
81 | destroy_lttng_session $SESSION_NAME |
82 | ||
83 | return 0 | |
84 | } | |
85 | ||
86 | # Test a snapshot using a default name for the output destination. | |
87 | function test_kernel_default_name() | |
88 | { | |
89 | diag "Test kernel snapshot streaming with default name" | |
90 | create_lttng_session_no_output $SESSION_NAME | |
91 | enable_lttng_mmap_overwrite_kernel_channel $SESSION_NAME $CHANNEL_NAME | |
92 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME | |
e563bbdb | 93 | start_lttng_tracing_ok $SESSION_NAME |
26402e0c DG |
94 | snapshot_add_output $SESSION_NAME "net://localhost" |
95 | lttng_snapshot_record $SESSION_NAME | |
96340a01 | 96 | stop_lttng_tracing_ok $SESSION_NAME |
26402e0c DG |
97 | destroy_lttng_session $SESSION_NAME |
98 | # Validate test | |
99 | validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/snapshot-1* | |
100 | out=$? | |
101 | ||
102 | return $out | |
103 | } | |
104 | ||
105 | # Test a snapshot using a custom name for the output destination. | |
106 | function test_kernel_custom_name() | |
107 | { | |
108 | local out | |
109 | local name="asnapshotname" | |
110 | ||
111 | diag "Test kernel snapshot streaming with custom name" | |
112 | create_lttng_session_no_output $SESSION_NAME | |
113 | enable_lttng_mmap_overwrite_kernel_channel $SESSION_NAME $CHANNEL_NAME | |
114 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME | |
e563bbdb | 115 | start_lttng_tracing_ok $SESSION_NAME |
26402e0c DG |
116 | snapshot_add_output $SESSION_NAME "net://localhost" $name |
117 | lttng_snapshot_record $SESSION_NAME | |
96340a01 | 118 | stop_lttng_tracing_ok $SESSION_NAME |
26402e0c DG |
119 | destroy_lttng_session $SESSION_NAME |
120 | ||
121 | if ls $TRACE_PATH/$HOSTNAME/$name* &> /dev/null; then | |
122 | ok 0 "Custom name snapshot exists" | |
123 | # Validate test | |
124 | validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$name-* | |
125 | out=$? | |
126 | else | |
127 | fail "No custom name snapshot found" | |
128 | out=1 | |
129 | fi | |
130 | ||
131 | return $out | |
132 | } | |
133 | ||
134 | plan_tests $NUM_TESTS | |
135 | ||
136 | print_test_banner "$TEST_DESC" | |
137 | ||
138 | if [ "$(id -u)" == "0" ]; then | |
139 | isroot=1 | |
140 | else | |
141 | isroot=0 | |
142 | fi | |
143 | ||
144 | skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS || | |
145 | { | |
146 | start_lttng_relayd "-o $TRACE_PATH" | |
147 | start_lttng_sessiond | |
148 | ||
149 | tests=( test_kernel_default_name test_kernel_custom_name \ | |
150 | test_kernel_default_name_with_del ) | |
151 | ||
152 | for fct_test in ${tests[@]}; | |
153 | do | |
154 | SESSION_NAME=$(randstring 16 0) | |
155 | ${fct_test} | |
156 | if [ $? -eq 0 ]; then | |
157 | # Only delete if successful | |
25d6f007 | 158 | rm -rf $TRACE_PATH |
26402e0c DG |
159 | else |
160 | break | |
161 | fi | |
162 | done | |
163 | ||
164 | stop_lttng_sessiond | |
165 | stop_lttng_relayd | |
166 | } |