3 # Copyright (C) - 2015 Julien Desfossez <jdesfossez@efficios.com>
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.
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
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"
20 TESTDIR
=$CURDIR/..
/..
/..
21 EVENT_NAME
="lttng_test_filter_event"
24 TRACE_PATH
=$
(mktemp
-d)
28 source $TESTDIR/utils
/utils.sh
30 function test_kernel_streaming
()
34 diag
"Test kernel streaming with metadata regeneration"
35 create_lttng_session_uri
$SESSION_NAME net
://localhost
36 lttng_enable_kernel_event
$SESSION_NAME $EVENT_NAME
37 start_lttng_tracing_ok
$SESSION_NAME
38 echo -n "100" > /proc
/lttng-test-filter-event
41 stop_lttng_tracing_ok
$SESSION_NAME
42 validate_trace
$EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
44 # Find the metadata file
45 metadata_path
=$
(find "$TRACE_PATH/$HOSTNAME/$SESSION_NAME"* |
grep metadata
)
47 # Empty the metadata file
48 echo -n > "$metadata_path"
50 start_lttng_tracing_ok
$SESSION_NAME
51 regenerate_metadata_ok
$SESSION_NAME
52 stop_lttng_tracing_ok
$SESSION_NAME
54 validate_trace
$EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
55 destroy_lttng_session_ok
$SESSION_NAME
59 function test_kernel_local
()
63 diag
"Test kernel local with metadata regeneration"
64 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
65 lttng_enable_kernel_event
$SESSION_NAME $EVENT_NAME
66 start_lttng_tracing_ok
$SESSION_NAME
69 echo -n "100" > /proc
/lttng-test-filter-event
70 stop_lttng_tracing_ok
$SESSION_NAME
71 validate_trace
$EVENT_NAME "$TRACE_PATH"
73 # Find the metadata file
74 metadata_path
=$
(find "$TRACE_PATH"* |
grep metadata
)
76 # Empty the metadata file
77 echo -n > "$metadata_path"
79 start_lttng_tracing_ok
$SESSION_NAME
80 regenerate_metadata_ok
$SESSION_NAME
81 stop_lttng_tracing_ok
$SESSION_NAME
83 validate_trace
$EVENT_NAME $TRACE_PATH
84 destroy_lttng_session_ok
$SESSION_NAME
91 print_test_banner
"$TEST_DESC"
93 if [ "$(id -u)" == "0" ]; then
99 skip
$isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
101 validate_lttng_modules_present
103 start_lttng_relayd
"-o $TRACE_PATH"
107 tests
=( test_kernel_streaming test_kernel_local
)
109 for fct_test
in ${tests[@]};
111 SESSION_NAME
=$
(randstring
16 0)
115 modprobe
--remove lttng-test