Tests: missing license header in rotation utils
[lttng-tools.git] / tests / regression / tools / streaming / test_kernel
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="Streaming - Kernel tracing"
18
19 CURDIR=$(dirname $0)/
20 TESTDIR=$CURDIR/../../..
21 EVENT_NAME="sched_switch"
22 PID_RELAYD=0
23 SESSION_NAME=""
24
25 TRACE_PATH=$(mktemp -d)
26
27 NUM_TESTS=10
28
29 source $TESTDIR/utils/utils.sh
30
31 # LTTng kernel modules check
32 out=`ls /lib/modules/$(uname -r)/extra | grep lttng`
33 if [ -z "$out" ]; then
34 BAIL_OUT "LTTng modules not detected."
35 fi
36
37 function lttng_create_session_uri
38 {
39 # Create session with default path
40 $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME -U net://localhost >/dev/null 2>&1
41
42 ok $? "Create session $SESSION_NAME"
43 }
44
45 function test_kernel_before_start ()
46 {
47 diag "Test kernel streaming with event enable BEFORE start"
48 lttng_create_session_uri
49 lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
50 start_lttng_tracing_ok $SESSION_NAME
51 # Give a second
52 sleep 1
53 stop_lttng_tracing_ok $SESSION_NAME
54 destroy_lttng_session_ok $SESSION_NAME
55 }
56
57 # Deactivated since this feature is not yet available where we can enable
58 # an event AFTERE tracing has started.
59 function test_kernel_after_start ()
60 {
61 diag "Test kernel streaming with event enable AFTER start"
62 lttng_create_session_uri
63 start_lttng_tracing_ok $SESSION_NAME
64 lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
65 # Give a second
66 sleep 1
67 stop_lttng_tracing_ok $SESSION_NAME
68 destroy_lttng_session_ok $SESSION_NAME
69 }
70
71 plan_tests $NUM_TESTS
72
73 print_test_banner "$TEST_DESC"
74
75 if [ "$(id -u)" == "0" ]; then
76 isroot=1
77 else
78 isroot=0
79 fi
80
81 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
82 {
83 start_lttng_relayd "-o $TRACE_PATH"
84 start_lttng_sessiond
85
86 tests=( test_kernel_before_start )
87
88 for fct_test in ${tests[@]};
89 do
90 SESSION_NAME=$(randstring 16 0)
91 ${fct_test}
92
93 # Validate test
94 validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
95 if [ $? -eq 0 ]; then
96 # Only delete if successful
97 rm -rf $TRACE_PATH
98 else
99 break
100 fi
101 done
102
103 stop_lttng_sessiond
104 stop_lttng_relayd
105 }
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