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#!/bin/bash
#
# SPDX-FileCopyrightText: 2013 Julien Desfossez <julien.desfossez@efficios.com>
# SPDX-FileCopyrightText: 2013 David Goulet <dgoulet@efficios.com>
#
# SPDX-License-Identifier: LGPL-2.1-only
TEST_DESC="Live - Kernel space tracing"
CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../../
DELAY_USEC=2000000
SESSION_NAME="live"
EVENT_NAME="lttng_test_filter_event"
TRACE_PATH=$(mktemp -d -t tmp.test_lttng_live_kernel_trace_path.XXXXXX)
DIR=$(readlink -f $TESTDIR)
NUM_TESTS=11
source $TESTDIR/utils/utils.sh
# MUST set TESTDIR before calling those functions
plan_tests $NUM_TESTS
print_test_banner "$TEST_DESC"
function setup_live_tracing()
{
# Create session with default path
$TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME --live $DELAY_USEC \
-U net://localhost >/dev/null 2>&1
ok $? "Create session in live mode with delay $DELAY_USEC"
lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
start_lttng_tracing_ok $SESSION_NAME
}
function clean_live_tracing()
{
stop_lttng_tracing_ok $SESSION_NAME
destroy_lttng_session_ok $SESSION_NAME
}
# Need root access for kernel tracing.
check_skip_kernel_test "$NUM_TESTS" "Skipping all tests." ||
{
modprobe lttng-test
start_lttng_sessiond
start_lttng_relayd "-o $TRACE_PATH"
setup_live_tracing
echo -n "1" > /proc/lttng-test-filter-event
clean_live_tracing
validate_trace_path_kernel_network "$TRACE_PATH" "$SESSION_NAME"
validate_trace $EVENT_NAME $TRACE_PATH
rm -rf $TRACE_PATH
stop_lttng_relayd
stop_lttng_sessiond
modprobe --remove lttng-test
}
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