instrumentation.h

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/*
 * Copyright (c) 2021 Kevin Townsend
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_ZSL_INSTRUMENTATION_H__
#define ZEPHYR_INCLUDE_ZSL_INSTRUMENTATION_H__
 
#include <zephyr/kernel.h>
#include <zephyr/sys/printk.h>
#include <zsl/zsl.h>
 
#define ZSL_INSTR_START(t) do {       \
        t = k_cycle_get_32(); \
} while (0);
 
#define ZSL_INSTR_STOP(t) do {                    \
        uint32_t end = k_cycle_get_32();          \
        t = end < t ? 0xFFFFFFFF - t + end : end - t; \
        t = k_cyc_to_ns_floor32(t);           \
} while (0);
 
#endif /* ZEPHYR_INCLUDE_ZSL_INSTRUMENTATION_H_ */