Add UST namespace contexts tests
[lttng-tools.git] / tests / regression / kernel / test_channel
1 #!/bin/bash
2 #
3 # Copyright (C) - 2018 Francis Deslauriers <francis.deslauriers@efficios.com>
4 #
5 # This program is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License, version 2 only, as
7 # published by the Free Software Foundation.
8 #
9 # This program is distributed in the hope that it will be useful, but WITHOUT
10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 # more details.
13 #
14 # You should have received a copy of the GNU General Public License along with
15 # this program; if not, write to the Free Software Foundation, Inc., 51
16 # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17
18 TEST_DESC="Kernel tracer - Channel configuration"
19
20 CURDIR=$(dirname $0)/
21 TESTDIR=$CURDIR/../..
22 NUM_TESTS=8
23
24 source $TESTDIR/utils/utils.sh
25
26 function test_channel_buffer()
27 {
28 TRACE_PATH=$(mktemp -d)
29 SESSION_NAME="test_session_name"
30 CHANNEL_NAME="test_channel_name"
31 create_lttng_session_ok "$SESSION_NAME" "$TRACE_PATH"
32
33 # Try to create a tiny buffer.
34 lttng_enable_kernel_channel_ok "$SESSION_NAME" "$CHANNEL_NAME" --subbuf-size=4k --num-subbuf=1
35
36 destroy_lttng_session_ok "$SESSION_NAME"
37
38 rm -rf "$TRACE_PATH"
39 }
40
41 function test_channel_buffer_too_large()
42 {
43 TRACE_PATH=$(mktemp -d)
44 SESSION_NAME="test_session_name"
45 CHANNEL_NAME="test_channel_name"
46 create_lttng_session_ok "$SESSION_NAME" "$TRACE_PATH"
47
48 # Try to create a buffer larger than memory. This testcase will need to
49 # be adjusted if someone has a computer with 1024*1000 GB of ram.
50 lttng_enable_kernel_channel_fail "$SESSION_NAME" "$CHANNEL_NAME" --subbuf-size=1000G --num-subbuf=1024
51
52 destroy_lttng_session_ok "$SESSION_NAME"
53
54 rm -rf "$TRACE_PATH"
55 }
56
57 plan_tests $NUM_TESTS
58 print_test_banner "$TEST_DESC"
59
60 if [ "$(id -u)" == "0" ]; then
61 isroot=1
62 else
63 isroot=0
64 fi
65
66 skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS ||
67 {
68 start_lttng_sessiond
69
70 test_channel_buffer
71 test_channel_buffer_too_large
72
73 stop_lttng_sessiond
74 }
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