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/*
* Copyright © 2020-2022 The Crust Firmware Authors.
* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
*/
#include <counter.h>
#include <debug.h>
#include <division.h>
#include <system.h>
#define ITERATIONS 10000
static uint32_t cycles;
static uint32_t iterations;
static uint8_t last_state;
void
debug_print_latency(uint8_t current_state)
{
if (current_state != last_state) {
cycles = cycle_counter_read();
iterations = 0;
last_state = current_state;
} else if (iterations < ITERATIONS && ++iterations == ITERATIONS) {
info("State %u: %u cycles/iteration", current_state,
udiv_round(cycle_counter_read() - cycles, ITERATIONS));
}
}
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