Philipp Kundegraber / Mbed OS TINF_PE_20190328_Events

Übungen zu Events im MbedOS https://os.mbed.com/users/fpucher/code/HIM0Board/wiki/Events

stats_report.h@0:0e8dbc229b3a, 2019-03-28 (annotated)

Committer:
kunphil
Date:
Thu Mar 28 17:12:15 2019 +0000
Revision:
0:0e8dbc229b3a
OS_Events Uebungen

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kunphil 0:0e8dbc229b3a 1 /* mbed Microcontroller Library
kunphil 0:0e8dbc229b3a 2 * Copyright (c) 2018 ARM Limited
kunphil 0:0e8dbc229b3a 3 * SPDX-License-Identifier: Apache-2.0
kunphil 0:0e8dbc229b3a 4 */
kunphil 0:0e8dbc229b3a 5
kunphil 0:0e8dbc229b3a 6 #ifndef STATS_REPORT_H
kunphil 0:0e8dbc229b3a 7 #define STATS_REPORT
kunphil 0:0e8dbc229b3a 8
kunphil 0:0e8dbc229b3a 9 #include "mbed.h"
kunphil 0:0e8dbc229b3a 10
kunphil 0:0e8dbc229b3a 11 /**
kunphil 0:0e8dbc229b3a 12 * System Reporting library. Provides runtime information on device:
kunphil 0:0e8dbc229b3a 13 * - CPU sleep, idle, and wake times
kunphil 0:0e8dbc229b3a 14 * - Heap and stack usage
kunphil 0:0e8dbc229b3a 15 * - Thread information
kunphil 0:0e8dbc229b3a 16 * - Static system information
kunphil 0:0e8dbc229b3a 17 */
kunphil 0:0e8dbc229b3a 18 class SystemReport {
kunphil 0:0e8dbc229b3a 19 mbed_stats_heap_t heap_stats;
kunphil 0:0e8dbc229b3a 20 mbed_stats_cpu_t cpu_stats;
kunphil 0:0e8dbc229b3a 21 mbed_stats_sys_t sys_stats;
kunphil 0:0e8dbc229b3a 22
kunphil 0:0e8dbc229b3a 23 mbed_stats_thread_t *thread_stats;
kunphil 0:0e8dbc229b3a 24 uint8_t thread_count;
kunphil 0:0e8dbc229b3a 25 uint8_t max_thread_count;
kunphil 0:0e8dbc229b3a 26 uint32_t sample_time_ms;
kunphil 0:0e8dbc229b3a 27
kunphil 0:0e8dbc229b3a 28 public:
kunphil 0:0e8dbc229b3a 29 /**
kunphil 0:0e8dbc229b3a 30 * SystemReport - Sample rate in ms is required to handle the CPU percent awake logic
kunphil 0:0e8dbc229b3a 31 */
kunphil 0:0e8dbc229b3a 32 SystemReport(uint32_t sample_rate) : max_thread_count(8), sample_time_ms(sample_rate)
kunphil 0:0e8dbc229b3a 33 {
kunphil 0:0e8dbc229b3a 34 thread_stats = new mbed_stats_thread_t[max_thread_count];
kunphil 0:0e8dbc229b3a 35
kunphil 0:0e8dbc229b3a 36 // Collect the static system information
kunphil 0:0e8dbc229b3a 37 mbed_stats_sys_get(&sys_stats);
kunphil 0:0e8dbc229b3a 38
kunphil 0:0e8dbc229b3a 39 printf("=============================== SYSTEM INFO ================================\r\n");
kunphil 0:0e8dbc229b3a 40 printf("Mbed OS Version: %ld \r\n", sys_stats.os_version);
kunphil 0:0e8dbc229b3a 41 printf("CPU ID: 0x%lx \r\n", sys_stats.cpu_id);
kunphil 0:0e8dbc229b3a 42 printf("Compiler ID: %d \r\n", sys_stats.compiler_id);
kunphil 0:0e8dbc229b3a 43 printf("Compiler Version: %ld \r\n", sys_stats.compiler_version);
kunphil 0:0e8dbc229b3a 44
kunphil 0:0e8dbc229b3a 45 for (int i = 0; i < MBED_MAX_MEM_REGIONS; i++) {
kunphil 0:0e8dbc229b3a 46 if (sys_stats.ram_size[i] != 0) {
kunphil 0:0e8dbc229b3a 47 printf("RAM%d: Start 0x%lx Size: 0x%lx \r\n", i, sys_stats.ram_start[i], sys_stats.ram_size[i]);
kunphil 0:0e8dbc229b3a 48 }
kunphil 0:0e8dbc229b3a 49 }
kunphil 0:0e8dbc229b3a 50 for (int i = 0; i < MBED_MAX_MEM_REGIONS; i++) {
kunphil 0:0e8dbc229b3a 51 if (sys_stats.rom_size[i] != 0) {
kunphil 0:0e8dbc229b3a 52 printf("ROM%d: Start 0x%lx Size: 0x%lx \r\n", i, sys_stats.rom_start[i], sys_stats.rom_size[i]);
kunphil 0:0e8dbc229b3a 53 }
kunphil 0:0e8dbc229b3a 54 }
kunphil 0:0e8dbc229b3a 55 }
kunphil 0:0e8dbc229b3a 56
kunphil 0:0e8dbc229b3a 57 ~SystemReport(void)
kunphil 0:0e8dbc229b3a 58 {
kunphil 0:0e8dbc229b3a 59 free(thread_stats);
kunphil 0:0e8dbc229b3a 60 }
kunphil 0:0e8dbc229b3a 61
kunphil 0:0e8dbc229b3a 62 /**
kunphil 0:0e8dbc229b3a 63 * Report on each Mbed OS Platform stats API
kunphil 0:0e8dbc229b3a 64 */
kunphil 0:0e8dbc229b3a 65 void report_state(void)
kunphil 0:0e8dbc229b3a 66 {
kunphil 0:0e8dbc229b3a 67 report_cpu_stats();
kunphil 0:0e8dbc229b3a 68 report_heap_stats();
kunphil 0:0e8dbc229b3a 69 report_thread_stats();
kunphil 0:0e8dbc229b3a 70
kunphil 0:0e8dbc229b3a 71 // Clear next line to separate subsequent report logs
kunphil 0:0e8dbc229b3a 72 printf("\r\n");
kunphil 0:0e8dbc229b3a 73 }
kunphil 0:0e8dbc229b3a 74
kunphil 0:0e8dbc229b3a 75 /**
kunphil 0:0e8dbc229b3a 76 * Report CPU idle and awake time in terms of percentage
kunphil 0:0e8dbc229b3a 77 */
kunphil 0:0e8dbc229b3a 78 void report_cpu_stats(void)
kunphil 0:0e8dbc229b3a 79 {
kunphil 0:0e8dbc229b3a 80 static uint64_t prev_idle_time = 0;
kunphil 0:0e8dbc229b3a 81
kunphil 0:0e8dbc229b3a 82 printf("================= CPU STATS =================\r\n");
kunphil 0:0e8dbc229b3a 83
kunphil 0:0e8dbc229b3a 84 // Collect and print cpu stats
kunphil 0:0e8dbc229b3a 85 mbed_stats_cpu_get(&cpu_stats);
kunphil 0:0e8dbc229b3a 86
kunphil 0:0e8dbc229b3a 87 uint64_t diff = (cpu_stats.idle_time - prev_idle_time);
kunphil 0:0e8dbc229b3a 88 uint8_t idle = (diff * 100) / (sample_time_ms * 1000); // usec;
kunphil 0:0e8dbc229b3a 89 uint8_t usage = 100 - ((diff * 100) / (sample_time_ms * 1000)); // usec;;
kunphil 0:0e8dbc229b3a 90 prev_idle_time = cpu_stats.idle_time;
kunphil 0:0e8dbc229b3a 91
kunphil 0:0e8dbc229b3a 92 printf("Idle: %d%% Usage: %d%% \r\n", idle, usage);
kunphil 0:0e8dbc229b3a 93 }
kunphil 0:0e8dbc229b3a 94
kunphil 0:0e8dbc229b3a 95 /**
kunphil 0:0e8dbc229b3a 96 * Report current heap stats. Current heap refers to the current amount of
kunphil 0:0e8dbc229b3a 97 * allocated heap. Max heap refers to the highest amount of heap allocated
kunphil 0:0e8dbc229b3a 98 * since reset.
kunphil 0:0e8dbc229b3a 99 */
kunphil 0:0e8dbc229b3a 100 void report_heap_stats(void)
kunphil 0:0e8dbc229b3a 101 {
kunphil 0:0e8dbc229b3a 102 printf("================ HEAP STATS =================\r\n");
kunphil 0:0e8dbc229b3a 103
kunphil 0:0e8dbc229b3a 104 // Collect and print heap stats
kunphil 0:0e8dbc229b3a 105 mbed_stats_heap_get(&heap_stats);
kunphil 0:0e8dbc229b3a 106
kunphil 0:0e8dbc229b3a 107 printf("Current heap: %lu\r\n", heap_stats.current_size);
kunphil 0:0e8dbc229b3a 108 printf("Max heap size: %lu\r\n", heap_stats.max_size);
kunphil 0:0e8dbc229b3a 109 }
kunphil 0:0e8dbc229b3a 110
kunphil 0:0e8dbc229b3a 111 /**
kunphil 0:0e8dbc229b3a 112 * Report active thread stats
kunphil 0:0e8dbc229b3a 113 */
kunphil 0:0e8dbc229b3a 114 void report_thread_stats(void)
kunphil 0:0e8dbc229b3a 115 {
kunphil 0:0e8dbc229b3a 116 printf("================ THREAD STATS ===============\r\n");
kunphil 0:0e8dbc229b3a 117
kunphil 0:0e8dbc229b3a 118 // Collect and print running thread stats
kunphil 0:0e8dbc229b3a 119 int count = mbed_stats_thread_get_each(thread_stats, max_thread_count);
kunphil 0:0e8dbc229b3a 120
kunphil 0:0e8dbc229b3a 121 for (int i = 0; i < count; i++) {
kunphil 0:0e8dbc229b3a 122 printf("ID: 0x%lx \r\n", thread_stats[i].id);
kunphil 0:0e8dbc229b3a 123 printf("Name: %s \r\n", thread_stats[i].name);
kunphil 0:0e8dbc229b3a 124 printf("State: %ld \r\n", thread_stats[i].state);
kunphil 0:0e8dbc229b3a 125 printf("Priority: %ld \r\n", thread_stats[i].priority);
kunphil 0:0e8dbc229b3a 126 printf("Stack Size: %ld \r\n", thread_stats[i].stack_size);
kunphil 0:0e8dbc229b3a 127 printf("Stack Space: %ld \r\n", thread_stats[i].stack_space);
kunphil 0:0e8dbc229b3a 128 }
kunphil 0:0e8dbc229b3a 129 }
kunphil 0:0e8dbc229b3a 130 };
kunphil 0:0e8dbc229b3a 131
kunphil 0:0e8dbc229b3a 132 #endif // STATS_REPORT_H