Clayton Kimber / Mbed OS Segger_RTT_TEST

Implementation of Segger RTT on nRF52832. There is unneeded code in the defines and main(commented out).

stats_report.h@0:ead2f457b1a2, 2019-04-26 (annotated)

Committer:
claytonk
Date:
Fri Apr 26 17:46:21 2019 +0000
Revision:
0:ead2f457b1a2
initial

Who changed what in which revision?

UserRevisionLine numberNew contents of line
claytonk 0:ead2f457b1a2 1 /* mbed Microcontroller Library
claytonk 0:ead2f457b1a2 2 * Copyright (c) 2018 ARM Limited
claytonk 0:ead2f457b1a2 3 * SPDX-License-Identifier: Apache-2.0
claytonk 0:ead2f457b1a2 4 */
claytonk 0:ead2f457b1a2 5
claytonk 0:ead2f457b1a2 6 #ifndef STATS_REPORT_H
claytonk 0:ead2f457b1a2 7 #define STATS_REPORT
claytonk 0:ead2f457b1a2 8
claytonk 0:ead2f457b1a2 9 #include "mbed.h"
claytonk 0:ead2f457b1a2 10
claytonk 0:ead2f457b1a2 11 /**
claytonk 0:ead2f457b1a2 12 * System Reporting library. Provides runtime information on device:
claytonk 0:ead2f457b1a2 13 * - CPU sleep, idle, and wake times
claytonk 0:ead2f457b1a2 14 * - Heap and stack usage
claytonk 0:ead2f457b1a2 15 * - Thread information
claytonk 0:ead2f457b1a2 16 * - Static system information
claytonk 0:ead2f457b1a2 17 */
claytonk 0:ead2f457b1a2 18 class SystemReport {
claytonk 0:ead2f457b1a2 19 mbed_stats_heap_t heap_stats;
claytonk 0:ead2f457b1a2 20 mbed_stats_cpu_t cpu_stats;
claytonk 0:ead2f457b1a2 21 mbed_stats_sys_t sys_stats;
claytonk 0:ead2f457b1a2 22
claytonk 0:ead2f457b1a2 23 mbed_stats_thread_t *thread_stats;
claytonk 0:ead2f457b1a2 24 uint8_t thread_count;
claytonk 0:ead2f457b1a2 25 uint8_t max_thread_count;
claytonk 0:ead2f457b1a2 26 uint32_t sample_time_ms;
claytonk 0:ead2f457b1a2 27
claytonk 0:ead2f457b1a2 28 public:
claytonk 0:ead2f457b1a2 29 /**
claytonk 0:ead2f457b1a2 30 * SystemReport - Sample rate in ms is required to handle the CPU percent awake logic
claytonk 0:ead2f457b1a2 31 */
claytonk 0:ead2f457b1a2 32 SystemReport(uint32_t sample_rate) : max_thread_count(8), sample_time_ms(sample_rate)
claytonk 0:ead2f457b1a2 33 {
claytonk 0:ead2f457b1a2 34 thread_stats = new mbed_stats_thread_t[max_thread_count];
claytonk 0:ead2f457b1a2 35
claytonk 0:ead2f457b1a2 36 // Collect the static system information
claytonk 0:ead2f457b1a2 37 mbed_stats_sys_get(&sys_stats);
claytonk 0:ead2f457b1a2 38
claytonk 0:ead2f457b1a2 39 printf("=============================== SYSTEM INFO ================================\r\n");
claytonk 0:ead2f457b1a2 40 printf("Mbed OS Version: %ld \r\n", sys_stats.os_version);
claytonk 0:ead2f457b1a2 41 printf("CPU ID: 0x%lx \r\n", sys_stats.cpu_id);
claytonk 0:ead2f457b1a2 42 printf("Compiler ID: %d \r\n", sys_stats.compiler_id);
claytonk 0:ead2f457b1a2 43 printf("Compiler Version: %ld \r\n", sys_stats.compiler_version);
claytonk 0:ead2f457b1a2 44
claytonk 0:ead2f457b1a2 45 for (int i = 0; i < MBED_MAX_MEM_REGIONS; i++) {
claytonk 0:ead2f457b1a2 46 if (sys_stats.ram_size[i] != 0) {
claytonk 0:ead2f457b1a2 47 printf("RAM%d: Start 0x%lx Size: 0x%lx \r\n", i, sys_stats.ram_start[i], sys_stats.ram_size[i]);
claytonk 0:ead2f457b1a2 48 }
claytonk 0:ead2f457b1a2 49 }
claytonk 0:ead2f457b1a2 50 for (int i = 0; i < MBED_MAX_MEM_REGIONS; i++) {
claytonk 0:ead2f457b1a2 51 if (sys_stats.rom_size[i] != 0) {
claytonk 0:ead2f457b1a2 52 printf("ROM%d: Start 0x%lx Size: 0x%lx \r\n", i, sys_stats.rom_start[i], sys_stats.rom_size[i]);
claytonk 0:ead2f457b1a2 53 }
claytonk 0:ead2f457b1a2 54 }
claytonk 0:ead2f457b1a2 55 }
claytonk 0:ead2f457b1a2 56
claytonk 0:ead2f457b1a2 57 ~SystemReport(void)
claytonk 0:ead2f457b1a2 58 {
claytonk 0:ead2f457b1a2 59 free(thread_stats);
claytonk 0:ead2f457b1a2 60 }
claytonk 0:ead2f457b1a2 61
claytonk 0:ead2f457b1a2 62 /**
claytonk 0:ead2f457b1a2 63 * Report on each Mbed OS Platform stats API
claytonk 0:ead2f457b1a2 64 */
claytonk 0:ead2f457b1a2 65 void report_state(void)
claytonk 0:ead2f457b1a2 66 {
claytonk 0:ead2f457b1a2 67 report_cpu_stats();
claytonk 0:ead2f457b1a2 68 report_heap_stats();
claytonk 0:ead2f457b1a2 69 report_thread_stats();
claytonk 0:ead2f457b1a2 70
claytonk 0:ead2f457b1a2 71 // Clear next line to separate subsequent report logs
claytonk 0:ead2f457b1a2 72 printf("\r\n");
claytonk 0:ead2f457b1a2 73 }
claytonk 0:ead2f457b1a2 74
claytonk 0:ead2f457b1a2 75 /**
claytonk 0:ead2f457b1a2 76 * Report CPU idle and awake time in terms of percentage
claytonk 0:ead2f457b1a2 77 */
claytonk 0:ead2f457b1a2 78 void report_cpu_stats(void)
claytonk 0:ead2f457b1a2 79 {
claytonk 0:ead2f457b1a2 80 static uint64_t prev_idle_time = 0;
claytonk 0:ead2f457b1a2 81
claytonk 0:ead2f457b1a2 82 printf("================= CPU STATS =================\r\n");
claytonk 0:ead2f457b1a2 83
claytonk 0:ead2f457b1a2 84 // Collect and print cpu stats
claytonk 0:ead2f457b1a2 85 mbed_stats_cpu_get(&cpu_stats);
claytonk 0:ead2f457b1a2 86
claytonk 0:ead2f457b1a2 87 uint64_t diff = (cpu_stats.idle_time - prev_idle_time);
claytonk 0:ead2f457b1a2 88 uint8_t idle = (diff * 100) / (sample_time_ms * 1000); // usec;
claytonk 0:ead2f457b1a2 89 uint8_t usage = 100 - ((diff * 100) / (sample_time_ms * 1000)); // usec;;
claytonk 0:ead2f457b1a2 90 prev_idle_time = cpu_stats.idle_time;
claytonk 0:ead2f457b1a2 91
claytonk 0:ead2f457b1a2 92 printf("Idle: %d%% Usage: %d%% \r\n", idle, usage);
claytonk 0:ead2f457b1a2 93 }
claytonk 0:ead2f457b1a2 94
claytonk 0:ead2f457b1a2 95 /**
claytonk 0:ead2f457b1a2 96 * Report current heap stats. Current heap refers to the current amount of
claytonk 0:ead2f457b1a2 97 * allocated heap. Max heap refers to the highest amount of heap allocated
claytonk 0:ead2f457b1a2 98 * since reset.
claytonk 0:ead2f457b1a2 99 */
claytonk 0:ead2f457b1a2 100 void report_heap_stats(void)
claytonk 0:ead2f457b1a2 101 {
claytonk 0:ead2f457b1a2 102 printf("================ HEAP STATS =================\r\n");
claytonk 0:ead2f457b1a2 103
claytonk 0:ead2f457b1a2 104 // Collect and print heap stats
claytonk 0:ead2f457b1a2 105 mbed_stats_heap_get(&heap_stats);
claytonk 0:ead2f457b1a2 106
claytonk 0:ead2f457b1a2 107 printf("Current heap: %lu\r\n", heap_stats.current_size);
claytonk 0:ead2f457b1a2 108 printf("Max heap size: %lu\r\n", heap_stats.max_size);
claytonk 0:ead2f457b1a2 109 }
claytonk 0:ead2f457b1a2 110
claytonk 0:ead2f457b1a2 111 /**
claytonk 0:ead2f457b1a2 112 * Report active thread stats
claytonk 0:ead2f457b1a2 113 */
claytonk 0:ead2f457b1a2 114 void report_thread_stats(void)
claytonk 0:ead2f457b1a2 115 {
claytonk 0:ead2f457b1a2 116 printf("================ THREAD STATS ===============\r\n");
claytonk 0:ead2f457b1a2 117
claytonk 0:ead2f457b1a2 118 // Collect and print running thread stats
claytonk 0:ead2f457b1a2 119 int count = mbed_stats_thread_get_each(thread_stats, max_thread_count);
claytonk 0:ead2f457b1a2 120
claytonk 0:ead2f457b1a2 121 for (int i = 0; i < count; i++) {
claytonk 0:ead2f457b1a2 122 printf("ID: 0x%lx \r\n", thread_stats[i].id);
claytonk 0:ead2f457b1a2 123 printf("Name: %s \r\n", thread_stats[i].name);
claytonk 0:ead2f457b1a2 124 printf("State: %ld \r\n", thread_stats[i].state);
claytonk 0:ead2f457b1a2 125 printf("Priority: %ld \r\n", thread_stats[i].priority);
claytonk 0:ead2f457b1a2 126 printf("Stack Size: %ld \r\n", thread_stats[i].stack_size);
claytonk 0:ead2f457b1a2 127 printf("Stack Space: %ld \r\n", thread_stats[i].stack_space);
claytonk 0:ead2f457b1a2 128 }
claytonk 0:ead2f457b1a2 129 }
claytonk 0:ead2f457b1a2 130 };
claytonk 0:ead2f457b1a2 131
claytonk 0:ead2f457b1a2 132 #endif // STATS_REPORT_H