3 # Copyright (C) 2017 Julien Desfossez <jdesfossez@efficios.com>
5 # SPDX-License-Identifier: LGPL-2.1-only
7 TEST_DESC
="Rotation - Kernel tracing"
10 TESTDIR
=$CURDIR/..
/..
/..
11 EVENT_NAME
="lttng_test_filter_event"
13 TRACE_PATH
=$
(mktemp
-d -t tmp.rotation_kernel_tracing.XXXXXX
)
17 source $TESTDIR/utils
/utils.sh
18 source $CURDIR/rotate_utils.sh
20 function rotate_kernel_test
()
24 lttng_enable_kernel_event
$SESSION_NAME $EVENT_NAME
25 start_lttng_tracing_ok
$SESSION_NAME
28 # First chunk contains 10 events.
29 echo -n "10" > /proc
/lttng-test-filter-event
30 rotate_session_ok
$SESSION_NAME
32 # Second chunk contains 20 events.
33 echo -n "20" > /proc
/lttng-test-filter-event
34 stop_lttng_tracing_ok
$SESSION_NAME
36 # Third chunk contains no event (rotate after stop).
37 rotate_session_ok
$SESSION_NAME
39 destroy_lttng_session_ok
$SESSION_NAME
41 validate_test_chunks
$local_path $today kernel kernel
44 function test_kernel_streaming
()
46 diag
"Test kernel streaming with session rotation"
47 create_lttng_session_uri
$SESSION_NAME net
://localhost
48 rotate_kernel_test
"${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*/archives"
51 function test_kernel_local
()
53 diag
"Test kernel local with session rotation"
54 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
56 rotate_kernel_test
"${TRACE_PATH}/archives"
59 function test_kernel_local_timer
()
61 diag
"Test kernel local with session rotation timer"
62 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
63 lttng_enable_kernel_event
$SESSION_NAME $EVENT_NAME
64 lttng_enable_rotation_timer_ok
$SESSION_NAME 500ms
65 start_lttng_tracing_ok
$SESSION_NAME
67 rotate_timer_test
"${TRACE_PATH}/archives" 0
70 function test_kernel_streaming_timer
()
72 diag
"Test kernel remote with session rotation timer"
73 create_lttng_session_uri
$SESSION_NAME net
://localhost
74 lttng_enable_kernel_event
$SESSION_NAME $EVENT_NAME
75 lttng_enable_rotation_timer_ok
$SESSION_NAME 500ms
76 start_lttng_tracing_ok
$SESSION_NAME
78 rotate_timer_test
"${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*/archives" 0
81 function produce_n_events
()
85 echo -n $event_count > /proc
/lttng-test-filter-event
88 function test_kernel_local_size
()
90 diag
"Rotate kernel local session every 2MiB"
91 local size_threshold
=$
((2 * 1024 * 1024))
93 diag
"Test ust local with size-based session rotation per-uid"
94 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
95 enable_kernel_lttng_event_ok
$SESSION_NAME $EVENT_NAME "channel0"
96 lttng_enable_rotation_size_ok
$SESSION_NAME $size_threshold
97 start_lttng_tracing_ok
$SESSION_NAME
99 # Cutoff at 100 times the expected size
100 trace_until_n_archives produce_n_events
"$TRACE_PATH" 5 $
((5 * 100 * size_threshold
))
102 destroy_lttng_session_ok
$SESSION_NAME
105 plan_tests
$NUM_TESTS
107 print_test_banner
"$TEST_DESC"
108 bail_out_if_no_babeltrace
110 check_skip_kernel_test
"$NUM_TESTS" "Skipping all tests." ||
112 validate_lttng_modules_present
114 start_lttng_relayd
"-o $TRACE_PATH"
118 tests
=( test_kernel_streaming test_kernel_local test_kernel_local_timer test_kernel_streaming_timer test_kernel_local_size
)
120 for fct_test
in ${tests[@]};
122 SESSION_NAME
=$
(randstring
16 0)
124 clean_path
$TRACE_PATH
127 modprobe
--remove lttng-test