#!/bin/bash
#
# Copyright (C) 2016 Julien Desfossez <jdesfossez@efficios.com>
#
# SPDX-License-Identifier: LGPL-2.1-only

TEST_DESC="Regenerate the statedump - Kernel tracing"

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
EVENT_NAME="lttng_test_filter_event"
SESSION_NAME=""
EVENT_NAME="lttng_statedump_start,lttng_statedump_end"

TRACE_PATH=$(mktemp -d)

NUM_TESTS=11

source $TESTDIR/utils/utils.sh

function test_kernel_local ()
{
	diag "Test kernel local with statedump regeneration"
	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	start_lttng_tracing_ok $SESSION_NAME
	echo -n "100" > /proc/lttng-test-filter-event
	regenerate_statedump_ok $SESSION_NAME
	stop_lttng_tracing_ok $SESSION_NAME
	validate_trace_count $EVENT_NAME $TRACE_PATH 4
	if [ $? -eq 0 ]; then
		# Only delete if successful
		rm -rf $TRACE_PATH
	fi
	destroy_lttng_session_ok $SESSION_NAME
}

plan_tests $NUM_TESTS

print_test_banner "$TEST_DESC"

if [ "$(id -u)" == "0" ]; then
	isroot=1
else
	isroot=0
fi

skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
{
	validate_lttng_modules_present
	start_lttng_sessiond
	modprobe lttng-test

	tests=( test_kernel_local )

	for fct_test in ${tests[@]};
	do
		SESSION_NAME=$(randstring 16 0)
		${fct_test}
	done

	rmmod lttng-test
	stop_lttng_sessiond
}