tests: Move to kernel style SPDX license identifiers
[lttng-tools.git] / tests / regression / kernel / test_channel
1 #!/bin/bash
2 #
3 # Copyright (C) 2018 Francis Deslauriers <francis.deslauriers@efficios.com>
4 #
5 # SPDX-License-Identifier: GPL-2.0-only
6 #
7
8 TEST_DESC="Kernel tracer - Channel configuration"
9
10 CURDIR=$(dirname $0)/
11 TESTDIR=$CURDIR/../..
12 NUM_TESTS=8
13
14 source $TESTDIR/utils/utils.sh
15
16 function test_channel_buffer()
17 {
18 TRACE_PATH=$(mktemp -d)
19 SESSION_NAME="test_session_name"
20 CHANNEL_NAME="test_channel_name"
21 create_lttng_session_ok "$SESSION_NAME" "$TRACE_PATH"
22
23 # Try to create a tiny buffer.
24 lttng_enable_kernel_channel_ok "$SESSION_NAME" "$CHANNEL_NAME" --subbuf-size=4k --num-subbuf=1
25
26 destroy_lttng_session_ok "$SESSION_NAME"
27
28 rm -rf "$TRACE_PATH"
29 }
30
31 function test_channel_buffer_too_large()
32 {
33 TRACE_PATH=$(mktemp -d)
34 SESSION_NAME="test_session_name"
35 CHANNEL_NAME="test_channel_name"
36 create_lttng_session_ok "$SESSION_NAME" "$TRACE_PATH"
37
38 # Try to create a buffer larger than memory. This testcase will need to
39 # be adjusted if someone has a computer with 1024*1000 GB of ram.
40 lttng_enable_kernel_channel_fail "$SESSION_NAME" "$CHANNEL_NAME" --subbuf-size=1000G --num-subbuf=1024
41
42 destroy_lttng_session_ok "$SESSION_NAME"
43
44 rm -rf "$TRACE_PATH"
45 }
46
47 plan_tests $NUM_TESTS
48 print_test_banner "$TEST_DESC"
49
50 if [ "$(id -u)" == "0" ]; then
51 isroot=1
52 else
53 isroot=0
54 fi
55
56 skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS ||
57 {
58 start_lttng_sessiond
59
60 test_channel_buffer
61 test_channel_buffer_too_large
62
63 stop_lttng_sessiond
64 }
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