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#!/bin/bash
#
# SPDX-FileCopyrightText: 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=10
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." ||
{
lttng_modules_loaded_fail
start_lttng_sessiond
test_channel_buffer
test_channel_buffer_too_large
stop_lttng_sessiond
lttng_modules_loaded_fail
}
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