Commit | Line | Data |
---|---|---|
1b368955 JD |
1 | #!/bin/bash |
2 | # | |
9d16b343 MJ |
3 | # Copyright (C) 2013 Julien Desfossez <julien.desfossez@efficios.com> |
4 | # Copyright (C) 2013 David Goulet <dgoulet@efficios.com> | |
1b368955 | 5 | # |
9d16b343 | 6 | # SPDX-License-Identifier: LGPL-2.1-only |
1b368955 JD |
7 | |
8 | TEST_DESC="Live - Kernel space tracing" | |
9 | ||
10 | CURDIR=$(dirname $0)/ | |
11 | TESTDIR=$CURDIR/../../../ | |
1b368955 JD |
12 | DELAY_USEC=2000000 |
13 | ||
14 | SESSION_NAME="live" | |
bd37c3c5 | 15 | EVENT_NAME="lttng_test_filter_event" |
1b368955 JD |
16 | |
17 | TRACE_PATH=$(mktemp -d) | |
18 | ||
19 | DIR=$(readlink -f $TESTDIR) | |
20 | ||
21 | NUM_TESTS=10 | |
22 | ||
23 | source $TESTDIR/utils/utils.sh | |
24 | ||
25 | # MUST set TESTDIR before calling those functions | |
26 | plan_tests $NUM_TESTS | |
27 | ||
28 | print_test_banner "$TEST_DESC" | |
29 | ||
30 | function setup_live_tracing() | |
31 | { | |
32 | # Create session with default path | |
33 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME --live $DELAY_USEC \ | |
34 | -U net://localhost >/dev/null 2>&1 | |
35 | ok $? "Create session in live mode with delay $DELAY_USEC" | |
36 | ||
37 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME | |
e563bbdb | 38 | start_lttng_tracing_ok $SESSION_NAME |
1b368955 JD |
39 | } |
40 | ||
41 | function clean_live_tracing() | |
42 | { | |
96340a01 | 43 | stop_lttng_tracing_ok $SESSION_NAME |
67b4c664 | 44 | destroy_lttng_session_ok $SESSION_NAME |
1b368955 JD |
45 | } |
46 | ||
47 | # Need root access for kernel tracing. | |
48 | if [ "$(id -u)" == "0" ]; then | |
49 | isroot=1 | |
50 | else | |
51 | isroot=0 | |
52 | fi | |
53 | ||
54 | skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS || | |
55 | { | |
bd37c3c5 FD |
56 | modprobe lttng-test |
57 | ||
1b368955 JD |
58 | start_lttng_sessiond |
59 | start_lttng_relayd "-o $TRACE_PATH" | |
60 | ||
61 | setup_live_tracing | |
62 | ||
bd37c3c5 | 63 | echo -n "1" > /proc/lttng-test-filter-event |
1b368955 JD |
64 | |
65 | clean_live_tracing | |
66 | ||
67 | validate_trace $EVENT_NAME $TRACE_PATH | |
68 | rm -rf $TRACE_PATH | |
69 | ||
70 | stop_lttng_relayd | |
71 | stop_lttng_sessiond | |
bd37c3c5 FD |
72 | |
73 | modprobe --remove lttng-test | |
1b368955 | 74 | } |