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54cd6107 JD |
1 | #!/bin/bash |
2 | # | |
3 | # Copyright (C) - 2016 Julien Desfossez <jdesfossez@efficios.com> | |
4 | # | |
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. | |
8 | # | |
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 | |
12 | # details. | |
13 | # | |
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="Regenerate the statedump - Kernel tracing" | |
18 | ||
19 | CURDIR=$(dirname $0)/ | |
20 | TESTDIR=$CURDIR/../../.. | |
21 | EVENT_NAME="lttng_test_filter_event" | |
22 | PID_RELAYD=0 | |
23 | SESSION_NAME="" | |
24 | EVENT_NAME="lttng_statedump_start,lttng_statedump_end" | |
25 | ||
26 | TRACE_PATH=$(mktemp -d) | |
27 | ||
28 | NUM_TESTS=11 | |
29 | ||
30 | source $TESTDIR/utils/utils.sh | |
31 | ||
32 | # LTTng kernel modules check | |
33 | out=`ls /lib/modules/$(uname -r)/extra | grep lttng` | |
34 | if [ -z "$out" ]; then | |
35 | BAIL_OUT "LTTng modules not detected." | |
36 | fi | |
37 | ||
38 | function test_kernel_local () | |
39 | { | |
40 | diag "Test kernel local with statedump regeneration" | |
41 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH | |
42 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME | |
43 | start_lttng_tracing_ok $SESSION_NAME | |
44 | echo -n "100" > /proc/lttng-test-filter-event | |
45 | regenerate_statedump_ok $SESSION_NAME | |
46 | stop_lttng_tracing_ok $SESSION_NAME | |
47 | validate_trace_count $EVENT_NAME $TRACE_PATH 4 | |
48 | if [ $? -eq 0 ]; then | |
49 | # Only delete if successful | |
50 | rm -rf $TRACE_PATH | |
51 | fi | |
52 | destroy_lttng_session_ok $SESSION_NAME | |
53 | } | |
54 | ||
55 | plan_tests $NUM_TESTS | |
56 | ||
57 | print_test_banner "$TEST_DESC" | |
58 | ||
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 kernel streaming tests." $NUM_TESTS || | |
66 | { | |
67 | start_lttng_sessiond | |
68 | modprobe lttng-test | |
69 | ||
70 | tests=( test_kernel_local ) | |
71 | ||
72 | for fct_test in ${tests[@]}; | |
73 | do | |
74 | SESSION_NAME=$(randstring 16 0) | |
75 | ${fct_test} | |
76 | done | |
77 | ||
78 | rmmod lttng-test | |
79 | stop_lttng_sessiond | |
80 | } |