platform/linux-keystone2/odp_cpu_cycles.c


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/*
 * Copyright (c) 2015, Linaro Limited
 * Copyright (c) 2015, Texas Instruments Incorporated
 * All rights reserved.
 *
 * SPDX-License-Identifier:     BSD-3-Clause
 */

#include <odp/cpu.h>
#include <odp/hints.h>
#include <odp/plat/ti_mcsdk.h>

uint64_t odp_cpu_cycles(void)
{
	return hplib_mUtilGetPmuCCNT();
}

uint64_t odp_cpu_cycles_max(void)
{
	return UINT32_MAX;
}

uint64_t odp_cpu_cycles_diff(uint64_t c2, uint64_t c1)
{
	if (odp_likely(c2 >= c1))
		return c2 - c1;

	return c2 + (UINT32_MAX - c1) + 1;
}

uint64_t odp_cpu_cycles_resolution(void)
{
	return 1;
}