[lttng-tools.git] / tests / regression / kernel / test_channel

#!/bin/bash
#
# Copyright (C) 2018 Francis Deslauriers <francis.deslauriers@efficios.com>
#
# SPDX-License-Identifier: GPL-2.0-only
#

TEST_DESC="Kernel tracer - Channel configuration"

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../..
NUM_TESTS=8

source $TESTDIR/utils/utils.sh

function test_channel_buffer()
{
	TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="test_session_name"
	CHANNEL_NAME="test_channel_name"
	create_lttng_session_ok "$SESSION_NAME" "$TRACE_PATH"

	# Try to create a tiny buffer.
	lttng_enable_kernel_channel_ok "$SESSION_NAME" "$CHANNEL_NAME" --subbuf-size=4k --num-subbuf=1

	destroy_lttng_session_ok "$SESSION_NAME"

	rm -rf "$TRACE_PATH"
}

function test_channel_buffer_too_large()
{
	TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="test_session_name"
	CHANNEL_NAME="test_channel_name"
	create_lttng_session_ok "$SESSION_NAME" "$TRACE_PATH"

	# Try to create a buffer larger than memory. This testcase will need to
	# be adjusted if someone has a computer with 1024*1000 GB of ram.
	lttng_enable_kernel_channel_fail "$SESSION_NAME" "$CHANNEL_NAME" --subbuf-size=1000G --num-subbuf=1024

	destroy_lttng_session_ok "$SESSION_NAME"

	rm -rf "$TRACE_PATH"
}

plan_tests $NUM_TESTS
print_test_banner "$TEST_DESC"

check_skip_kernel_test "$NUM_TESTS" "Skipping all tests." ||
{
	start_lttng_sessiond

	test_channel_buffer
	test_channel_buffer_too_large

	stop_lttng_sessiond
}
Commit	Line	Data
	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 -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	19	SESSION_NAME="test_session_name"
	20	CHANNEL_NAME="test_channel_name"
	21	create_lttng_session_ok "$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 -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	34	SESSION_NAME="test_session_name"
	35	CHANNEL_NAME="test_channel_name"
	36	create_lttng_session_ok "$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	check_skip_kernel_test "$NUM_TESTS" "Skipping all tests." \|\|
	51	{
	52	start_lttng_sessiond
	53
	54	test_channel_buffer
	55	test_channel_buffer_too_large
	56
	57	stop_lttng_sessiond
	58	}