Tests: use modprobe to test for the presence of lttng-modules
[lttng-tools.git] / tests / regression / tools / regen-metadata / test_kernel
1 #!/bin/bash
2 #
3 # Copyright (C) - 2015 Julien Desfossez <jdesfossez@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 - Kernel tracing"
18
19 CURDIR=$(dirname $0)/
20 TESTDIR=$CURDIR/../../..
21 EVENT_NAME="lttng_test_filter_event"
22 PID_RELAYD=0
23 SESSION_NAME=""
24
25 TRACE_PATH=$(mktemp -d)
26
27 NUM_TESTS=18
28
29 source $TESTDIR/utils/utils.sh
30
31 function lttng_create_session_uri
32 {
33 # Create session with default path
34 $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME -U net://localhost >/dev/null 2>&1
35
36 ok $? "Create session $SESSION_NAME"
37 }
38
39 function test_kernel_streaming ()
40 {
41 diag "Test kernel streaming with metadata regeneration"
42 lttng_create_session_uri
43 lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
44 start_lttng_tracing_ok $SESSION_NAME
45 echo -n "100" > /proc/lttng-test-filter-event
46 regenerate_metadata_ok $SESSION_NAME
47 stop_lttng_tracing_ok $SESSION_NAME
48 # Validate test
49 validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
50 if [ $? -eq 0 ]; then
51 # Only delete if successful
52 rm -rf $TRACE_PATH
53 else
54 break
55 fi
56 destroy_lttng_session_ok $SESSION_NAME
57 }
58
59 function test_kernel_local ()
60 {
61 diag "Test kernel local with metadata regeneration"
62 create_lttng_session_ok $SESSION_NAME $TRACE_PATH
63 lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
64 start_lttng_tracing_ok $SESSION_NAME
65 echo -n "100" > /proc/lttng-test-filter-event
66 regenerate_metadata_ok $SESSION_NAME
67 stop_lttng_tracing_ok $SESSION_NAME
68 validate_trace $EVENT_NAME $TRACE_PATH
69 if [ $? -eq 0 ]; then
70 # Only delete if successful
71 rm -rf $TRACE_PATH
72 fi
73 destroy_lttng_session_ok $SESSION_NAME
74 }
75
76 plan_tests $NUM_TESTS
77
78 print_test_banner "$TEST_DESC"
79
80 if [ "$(id -u)" == "0" ]; then
81 isroot=1
82 else
83 isroot=0
84 fi
85
86 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
87 {
88 validate_lttng_modules_present
89
90 start_lttng_relayd "-o $TRACE_PATH"
91 start_lttng_sessiond
92 modprobe lttng-test
93
94 tests=( test_kernel_streaming test_kernel_local )
95
96 for fct_test in ${tests[@]};
97 do
98 SESSION_NAME=$(randstring 16 0)
99 ${fct_test}
100 done
101
102 rmmod lttng-test
103 stop_lttng_sessiond
104 stop_lttng_relayd
105 }
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