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my first "os5" bare-metal on online-compiler
Diff: stats_report.h
- Revision:
- 0:4cdcddbd6c3d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/stats_report.h Sat Jun 15 06:49:03 2019 +0000 @@ -0,0 +1,132 @@ +/* mbed Microcontroller Library + * Copyright (c) 2018 ARM Limited + * SPDX-License-Identifier: Apache-2.0 + */ + +#ifndef STATS_REPORT_H +#define STATS_REPORT + +#include "mbed.h" + +/** + * System Reporting library. Provides runtime information on device: + * - CPU sleep, idle, and wake times + * - Heap and stack usage + * - Thread information + * - Static system information + */ +class SystemReport { + mbed_stats_heap_t heap_stats; + mbed_stats_cpu_t cpu_stats; + mbed_stats_sys_t sys_stats; + + mbed_stats_thread_t *thread_stats; + uint8_t thread_count; + uint8_t max_thread_count; + uint32_t sample_time_ms; + +public: + /** + * SystemReport - Sample rate in ms is required to handle the CPU percent awake logic + */ + SystemReport(uint32_t sample_rate) : max_thread_count(8), sample_time_ms(sample_rate) + { + thread_stats = new mbed_stats_thread_t[max_thread_count]; + + // Collect the static system information + mbed_stats_sys_get(&sys_stats); + + printf("=============================== SYSTEM INFO ================================\r\n"); + printf("Mbed OS Version: %ld \r\n", sys_stats.os_version); + printf("CPU ID: 0x%lx \r\n", sys_stats.cpu_id); + printf("Compiler ID: %d \r\n", sys_stats.compiler_id); + printf("Compiler Version: %ld \r\n", sys_stats.compiler_version); + + for (int i = 0; i < MBED_MAX_MEM_REGIONS; i++) { + if (sys_stats.ram_size[i] != 0) { + printf("RAM%d: Start 0x%lx Size: 0x%lx \r\n", i, sys_stats.ram_start[i], sys_stats.ram_size[i]); + } + } + for (int i = 0; i < MBED_MAX_MEM_REGIONS; i++) { + if (sys_stats.rom_size[i] != 0) { + printf("ROM%d: Start 0x%lx Size: 0x%lx \r\n", i, sys_stats.rom_start[i], sys_stats.rom_size[i]); + } + } + } + + ~SystemReport(void) + { + free(thread_stats); + } + + /** + * Report on each Mbed OS Platform stats API + */ + void report_state(void) + { + report_cpu_stats(); + report_heap_stats(); + report_thread_stats(); + + // Clear next line to separate subsequent report logs + printf("\r\n"); + } + + /** + * Report CPU idle and awake time in terms of percentage + */ + void report_cpu_stats(void) + { + static uint64_t prev_idle_time = 0; + + printf("================= CPU STATS =================\r\n"); + + // Collect and print cpu stats + mbed_stats_cpu_get(&cpu_stats); + + uint64_t diff = (cpu_stats.idle_time - prev_idle_time); + uint8_t idle = (diff * 100) / (sample_time_ms * 1000); // usec; + uint8_t usage = 100 - ((diff * 100) / (sample_time_ms * 1000)); // usec;; + prev_idle_time = cpu_stats.idle_time; + + printf("Idle: %d%% Usage: %d%% \r\n", idle, usage); + } + + /** + * Report current heap stats. Current heap refers to the current amount of + * allocated heap. Max heap refers to the highest amount of heap allocated + * since reset. + */ + void report_heap_stats(void) + { + printf("================ HEAP STATS =================\r\n"); + + // Collect and print heap stats + mbed_stats_heap_get(&heap_stats); + + printf("Current heap: %lu\r\n", heap_stats.current_size); + printf("Max heap size: %lu\r\n", heap_stats.max_size); + } + + /** + * Report active thread stats + */ + void report_thread_stats(void) + { + printf("================ THREAD STATS ===============\r\n"); + + // Collect and print running thread stats + int count = mbed_stats_thread_get_each(thread_stats, max_thread_count); + + for (int i = 0; i < count; i++) { + printf("ID: 0x%lx \r\n", thread_stats[i].id); + printf("Name: %s \r\n", thread_stats[i].name); + printf("State: %ld \r\n", thread_stats[i].state); + printf("Priority: %ld \r\n", thread_stats[i].priority); + printf("Stack Size: %ld \r\n", thread_stats[i].stack_size); + printf("Stack Space: %ld \r\n", thread_stats[i].stack_space); + } + } +}; + +#endif // STATS_REPORT_H