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1b368955 JD |
1 | #!/bin/bash |
2 | # | |
3 | # Copyright (C) - 2013 Julien Desfossez <julien.desfossez@efficios.com> | |
4 | # David Goulet <dgoulet@efficios.com> | |
5 | # | |
6 | # This library is free software; you can redistribute it and/or modify it under | |
7 | # the terms of the GNU Lesser General Public License as published by the Free | |
8 | # Software Foundation; version 2.1 of the License. | |
9 | # | |
10 | # This library is distributed in the hope that it will be useful, but WITHOUT | |
11 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
12 | # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more | |
13 | # details. | |
14 | # | |
15 | # You should have received a copy of the GNU Lesser General Public License | |
16 | # along with this library; if not, write to the Free Software Foundation, Inc., | |
17 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
18 | ||
19 | TEST_DESC="Live - Kernel space tracing" | |
20 | ||
21 | CURDIR=$(dirname $0)/ | |
22 | TESTDIR=$CURDIR/../../../ | |
1b368955 JD |
23 | DELAY_USEC=2000000 |
24 | ||
25 | SESSION_NAME="live" | |
26 | EVENT_NAME="sched_switch" | |
27 | ||
28 | TRACE_PATH=$(mktemp -d) | |
29 | ||
30 | DIR=$(readlink -f $TESTDIR) | |
31 | ||
32 | NUM_TESTS=10 | |
33 | ||
34 | source $TESTDIR/utils/utils.sh | |
35 | ||
36 | # MUST set TESTDIR before calling those functions | |
37 | plan_tests $NUM_TESTS | |
38 | ||
39 | print_test_banner "$TEST_DESC" | |
40 | ||
41 | function setup_live_tracing() | |
42 | { | |
43 | # Create session with default path | |
44 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME --live $DELAY_USEC \ | |
45 | -U net://localhost >/dev/null 2>&1 | |
46 | ok $? "Create session in live mode with delay $DELAY_USEC" | |
47 | ||
48 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME | |
e563bbdb | 49 | start_lttng_tracing_ok $SESSION_NAME |
1b368955 JD |
50 | } |
51 | ||
52 | function clean_live_tracing() | |
53 | { | |
96340a01 | 54 | stop_lttng_tracing_ok $SESSION_NAME |
67b4c664 | 55 | destroy_lttng_session_ok $SESSION_NAME |
1b368955 JD |
56 | } |
57 | ||
58 | # Need root access for kernel tracing. | |
59 | if [ "$(id -u)" == "0" ]; then | |
60 | isroot=1 | |
61 | else | |
62 | isroot=0 | |
63 | fi | |
64 | ||
65 | skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS || | |
66 | { | |
67 | start_lttng_sessiond | |
68 | start_lttng_relayd "-o $TRACE_PATH" | |
69 | ||
70 | setup_live_tracing | |
71 | ||
72 | # Just hit some events | |
73 | sleep 2 | |
74 | ||
75 | clean_live_tracing | |
76 | ||
77 | validate_trace $EVENT_NAME $TRACE_PATH | |
78 | rm -rf $TRACE_PATH | |
79 | ||
80 | stop_lttng_relayd | |
81 | stop_lttng_sessiond | |
82 | } |