zephyr/arch/common/timing.c

54 lines
805 B
C
Raw Normal View History

/*
* Copyright (c) 2020 Intel Corporation.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <kernel.h>
#include <sys_clock.h>
#include <timing/timing.h>
void timing_init(void)
{
}
void timing_start(void)
{
}
void timing_stop(void)
{
}
timing_t timing_counter_get(void)
{
return k_cycle_get_32();
}
uint64_t timing_cycles_get(volatile timing_t *const start,
volatile timing_t *const end)
{
return (*end - *start);
}
uint64_t timing_freq_get(void)
{
return sys_clock_hw_cycles_per_sec();
}
uint64_t timing_cycles_to_ns(uint64_t cycles)
{
return k_cyc_to_ns_floor64(cycles);
}
uint64_t timing_cycles_to_ns_avg(uint64_t cycles, uint32_t count)
{
return timing_cycles_to_ns(cycles) / count;
}
uint32_t timing_freq_get_mhz(void)
{
return (uint32_t)(timing_freq_get() / 1000000);
}