1 /* 2 * Copyright (c) 2012-2014 Wind River Systems, Inc. 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #ifndef _LATENCY_MEASURE_UNIT_H 8 #define _LATENCY_MEASURE_UNIT_H 9 /* 10 * @brief This file contains function declarations, macroses and inline functions 11 * used in latency measurement. 12 */ 13 14 #include <zephyr/timing/timing.h> 15 #include <zephyr/sys/printk.h> 16 #include <stdio.h> 17 #include <zephyr/timestamp.h> 18 19 #define INT_IMM8_OFFSET 1 20 #define IRQ_PRIORITY 3 21 22 extern int error_count; 23 24 #define PRINT_OVERFLOW_ERROR() \ 25 printk(" Error: tick occurred\n") 26 27 #ifdef CSV_FORMAT_OUTPUT 28 #define FORMAT "%-60s,%8u,%8u\n" 29 #else 30 #define FORMAT "%-60s:%8u cycles , %8u ns\n" 31 #endif 32 33 #define PRINT_F(...) \ 34 { \ 35 char sline[256]; \ 36 snprintk(sline, 254, FORMAT, ##__VA_ARGS__); \ 37 printk("%s", sline); \ 38 } 39 40 #define PRINT_STATS(x, y) \ 41 PRINT_F(x, y, (uint32_t)timing_cycles_to_ns(y)) 42 43 #define PRINT_STATS_AVG(x, y, counter) \ 44 PRINT_F(x, y / counter, (uint32_t)timing_cycles_to_ns_avg(y, counter)); 45 46 47 #endif 48
