3 # Copyright (C) - 2013 David Goulet <dgoulet@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 - Snapshot Kernel tracing"
20 TESTDIR
=$CURDIR/..
/..
/..
21 EVENT_NAME
="sched_switch"
26 TRACE_PATH
=$
(mktemp
-d)
30 source $TESTDIR/utils
/utils.sh
32 # LTTng kernel modules check
33 out
=`ls /lib/modules/$(uname -r)/extra | grep lttng`
34 if [ -z "$out" ]; then
35 BAIL_OUT
"LTTng modules not detected."
38 function snapshot_add_output
()
45 if [ ! -z $name ]; then
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"
53 # Test a snapshot using a default name for the output destination.
54 function test_kernel_default_name_with_del
()
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
60 start_lttng_tracing_ok
$SESSION_NAME
61 snapshot_add_output
$SESSION_NAME "net://localhost"
62 lttng_snapshot_record
$SESSION_NAME
65 validate_trace
$EVENT_NAME $TRACE_PATH/$HOSTNAME/snapshot-1
*
70 lttng_snapshot_del_output
$SESSION_NAME 1
71 snapshot_add_output
$SESSION_NAME "net://localhost"
72 lttng_snapshot_record
$SESSION_NAME
74 # Validate test with the next ID since a del output was done prior.
75 validate_trace
$EVENT_NAME $TRACE_PATH/$HOSTNAME/snapshot-2
*
80 stop_lttng_tracing_ok
$SESSION_NAME
81 destroy_lttng_session_ok
$SESSION_NAME
86 # Test a snapshot using a default name for the output destination.
87 function test_kernel_default_name
()
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
93 start_lttng_tracing_ok
$SESSION_NAME
94 snapshot_add_output
$SESSION_NAME "net://localhost"
95 lttng_snapshot_record
$SESSION_NAME
96 stop_lttng_tracing_ok
$SESSION_NAME
97 destroy_lttng_session_ok
$SESSION_NAME
99 validate_trace
$EVENT_NAME $TRACE_PATH/$HOSTNAME/snapshot-1
*
105 # Test a snapshot using a custom name for the output destination.
106 function test_kernel_custom_name
()
109 local name
="asnapshotname"
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
115 start_lttng_tracing_ok
$SESSION_NAME
116 snapshot_add_output
$SESSION_NAME "net://localhost" $name
117 lttng_snapshot_record
$SESSION_NAME
118 stop_lttng_tracing_ok
$SESSION_NAME
119 destroy_lttng_session_ok
$SESSION_NAME
121 if ls $TRACE_PATH/$HOSTNAME/$name* &> /dev
/null
; then
122 ok
0 "Custom name snapshot exists"
124 validate_trace
$EVENT_NAME $TRACE_PATH/$HOSTNAME/$name-*
127 fail
"No custom name snapshot found"
134 plan_tests
$NUM_TESTS
136 print_test_banner
"$TEST_DESC"
138 if [ "$(id -u)" == "0" ]; then
144 skip
$isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
146 start_lttng_relayd
"-o $TRACE_PATH"
149 tests
=( test_kernel_default_name test_kernel_custom_name \
150 test_kernel_default_name_with_del
)
152 for fct_test
in ${tests[@]};
154 SESSION_NAME
=$
(randstring
16 0)
156 if [ $?
-eq 0 ]; then
157 # Only delete if successful