/*
** Zabbix
** Copyright (C) 2001-2016 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
**/

#include "common.h"
#include "sysinfo.h"

static long	hertz = 0;

int	SYSTEM_UPTIME(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
#if defined(HAVE_LIBPERFSTAT)
	perfstat_cpu_total_t	ps_cpu_total;

	if (0 == hertz)
	{
		hertz = sysconf(_SC_CLK_TCK);

		/* make sure we do not divide by 0 */
		assert(hertz);
	}

	/* AIX 6.1 */
	if (-1 == perfstat_cpu_total(NULL, &ps_cpu_total, sizeof(ps_cpu_total), 1))
		return SYSINFO_RET_FAIL;

	SET_UI64_RESULT(result, (zbx_uint64_t)((double)ps_cpu_total.lbolt / hertz));

	return SYSINFO_RET_OK;
#else
	return SYSINFO_RET_FAIL;
#endif
}
