Michael Shimniok / Mbed OS DataBus2018

2018 revision to classic DataBus AVC code.

Dependencies:   LSM303DLM Servo SerialGraphicLCD L3G4200D IncrementalEncoder SimpleShell

stats_report.h@28:eab1b0680bb2, 2018-12-22 (annotated)

Committer:
shimniok
Date:
Sat Dec 22 06:56:55 2018 +0000
Revision:
28:eab1b0680bb2
Parent:
24:a7f92dfc5310 
thread stats formatting fix

Who changed what in which revision?

UserRevisionLine numberNew contents of line
shimniok 0:7e98bbfd102a 1 /* mbed Microcontroller Library
shimniok 0:7e98bbfd102a 2 * Copyright (c) 2018 ARM Limited
shimniok 0:7e98bbfd102a 3 * SPDX-License-Identifier: Apache-2.0
shimniok 0:7e98bbfd102a 4 */
shimniok 0:7e98bbfd102a 5
shimniok 0:7e98bbfd102a 6 #ifndef STATS_REPORT_H
shimniok 0:7e98bbfd102a 7 #define STATS_REPORT
shimniok 0:7e98bbfd102a 8
shimniok 0:7e98bbfd102a 9 #include "mbed.h"
shimniok 0:7e98bbfd102a 10
shimniok 0:7e98bbfd102a 11 /**
shimniok 0:7e98bbfd102a 12 * System Reporting library. Provides runtime information on device:
shimniok 0:7e98bbfd102a 13 * - CPU sleep, idle, and wake times
shimniok 0:7e98bbfd102a 14 * - Heap and stack usage
shimniok 0:7e98bbfd102a 15 * - Thread information
shimniok 0:7e98bbfd102a 16 * - Static system information
shimniok 0:7e98bbfd102a 17 */
shimniok 0:7e98bbfd102a 18 class SystemReport {
shimniok 0:7e98bbfd102a 19 mbed_stats_heap_t heap_stats;
shimniok 0:7e98bbfd102a 20 mbed_stats_cpu_t cpu_stats;
shimniok 0:7e98bbfd102a 21 mbed_stats_sys_t sys_stats;
shimniok 0:7e98bbfd102a 22
shimniok 0:7e98bbfd102a 23 mbed_stats_thread_t *thread_stats;
shimniok 0:7e98bbfd102a 24 uint8_t thread_count;
shimniok 0:7e98bbfd102a 25 uint8_t max_thread_count;
shimniok 0:7e98bbfd102a 26 uint32_t sample_time_ms;
shimniok 0:7e98bbfd102a 27
shimniok 0:7e98bbfd102a 28 public:
shimniok 0:7e98bbfd102a 29 /**
shimniok 0:7e98bbfd102a 30 * SystemReport - Sample rate in ms is required to handle the CPU percent awake logic
shimniok 0:7e98bbfd102a 31 */
shimniok 0:7e98bbfd102a 32 SystemReport(uint32_t sample_rate) : max_thread_count(8), sample_time_ms(sample_rate)
shimniok 0:7e98bbfd102a 33 {
shimniok 0:7e98bbfd102a 34 thread_stats = new mbed_stats_thread_t[max_thread_count];
shimniok 0:7e98bbfd102a 35
shimniok 0:7e98bbfd102a 36 // Collect the static system information
shimniok 0:7e98bbfd102a 37 mbed_stats_sys_get(&sys_stats);
shimniok 0:7e98bbfd102a 38
shimniok 24:a7f92dfc5310 39 /*
shimniok 0:7e98bbfd102a 40 printf("=============================== SYSTEM INFO ================================\r\n");
shimniok 0:7e98bbfd102a 41 printf("Mbed OS Version: %ld \r\n", sys_stats.os_version);
shimniok 0:7e98bbfd102a 42 printf("CPU ID: 0x%lx \r\n", sys_stats.cpu_id);
shimniok 0:7e98bbfd102a 43 printf("Compiler ID: %d \r\n", sys_stats.compiler_id);
shimniok 0:7e98bbfd102a 44 printf("Compiler Version: %ld \r\n", sys_stats.compiler_version);
shimniok 24:a7f92dfc5310 45 */
shimniok 0:7e98bbfd102a 46 }
shimniok 0:7e98bbfd102a 47
shimniok 0:7e98bbfd102a 48 ~SystemReport(void)
shimniok 0:7e98bbfd102a 49 {
shimniok 0:7e98bbfd102a 50 free(thread_stats);
shimniok 0:7e98bbfd102a 51 }
shimniok 0:7e98bbfd102a 52
shimniok 0:7e98bbfd102a 53 /**
shimniok 0:7e98bbfd102a 54 * Report on each Mbed OS Platform stats API
shimniok 0:7e98bbfd102a 55 */
shimniok 0:7e98bbfd102a 56 void report_state(void)
shimniok 0:7e98bbfd102a 57 {
shimniok 24:a7f92dfc5310 58 //report_cpu_stats();
shimniok 0:7e98bbfd102a 59 report_heap_stats();
shimniok 0:7e98bbfd102a 60 report_thread_stats();
shimniok 0:7e98bbfd102a 61
shimniok 0:7e98bbfd102a 62 // Clear next line to separate subsequent report logs
shimniok 0:7e98bbfd102a 63 printf("\r\n");
shimniok 0:7e98bbfd102a 64 }
shimniok 0:7e98bbfd102a 65
shimniok 0:7e98bbfd102a 66 /**
shimniok 0:7e98bbfd102a 67 * Report CPU idle and awake time in terms of percentage
shimniok 0:7e98bbfd102a 68 */
shimniok 0:7e98bbfd102a 69 void report_cpu_stats(void)
shimniok 0:7e98bbfd102a 70 {
shimniok 0:7e98bbfd102a 71 static uint64_t prev_idle_time = 0;
shimniok 0:7e98bbfd102a 72
shimniok 0:7e98bbfd102a 73 // Collect and print cpu stats
shimniok 0:7e98bbfd102a 74 mbed_stats_cpu_get(&cpu_stats);
shimniok 0:7e98bbfd102a 75
shimniok 0:7e98bbfd102a 76 uint64_t diff = (cpu_stats.idle_time - prev_idle_time);
shimniok 0:7e98bbfd102a 77 uint8_t idle = (diff * 100) / (sample_time_ms * 1000); // usec;
shimniok 0:7e98bbfd102a 78 uint8_t usage = 100 - ((diff * 100) / (sample_time_ms * 1000)); // usec;;
shimniok 0:7e98bbfd102a 79 prev_idle_time = cpu_stats.idle_time;
shimniok 0:7e98bbfd102a 80
shimniok 24:a7f92dfc5310 81 puts("");
shimniok 0:7e98bbfd102a 82 printf("Idle: %d%% Usage: %d%% \r\n", idle, usage);
shimniok 0:7e98bbfd102a 83 }
shimniok 0:7e98bbfd102a 84
shimniok 0:7e98bbfd102a 85 /**
shimniok 0:7e98bbfd102a 86 * Report current heap stats. Current heap refers to the current amount of
shimniok 0:7e98bbfd102a 87 * allocated heap. Max heap refers to the highest amount of heap allocated
shimniok 0:7e98bbfd102a 88 * since reset.
shimniok 0:7e98bbfd102a 89 */
shimniok 0:7e98bbfd102a 90 void report_heap_stats(void)
shimniok 0:7e98bbfd102a 91 {
shimniok 0:7e98bbfd102a 92 // Collect and print heap stats
shimniok 0:7e98bbfd102a 93 mbed_stats_heap_get(&heap_stats);
shimniok 24:a7f92dfc5310 94 puts("");
shimniok 0:7e98bbfd102a 95 printf("Current heap: %lu\r\n", heap_stats.current_size);
shimniok 0:7e98bbfd102a 96 printf("Max heap size: %lu\r\n", heap_stats.max_size);
shimniok 0:7e98bbfd102a 97 }
shimniok 0:7e98bbfd102a 98
shimniok 0:7e98bbfd102a 99 /**
shimniok 0:7e98bbfd102a 100 * Report active thread stats
shimniok 0:7e98bbfd102a 101 */
shimniok 0:7e98bbfd102a 102 void report_thread_stats(void)
shimniok 0:7e98bbfd102a 103 {
shimniok 0:7e98bbfd102a 104 // Collect and print running thread stats
shimniok 0:7e98bbfd102a 105 int count = mbed_stats_thread_get_each(thread_stats, max_thread_count);
shimniok 0:7e98bbfd102a 106
shimniok 24:a7f92dfc5310 107 puts("");
shimniok 28:eab1b0680bb2 108 puts("ID state prio stack free name");
shimniok 28:eab1b0680bb2 109 puts("====== ===== ==== ===== ==== ==============");
shimniok 0:7e98bbfd102a 110 for (int i = 0; i < count; i++) {
shimniok 28:eab1b0680bb2 111 printf("0x%04x ", thread_stats[i].id & 0xFFFF);
shimniok 28:eab1b0680bb2 112 printf("%5d ", thread_stats[i].state);
shimniok 28:eab1b0680bb2 113 printf("%4d ", thread_stats[i].priority);
shimniok 28:eab1b0680bb2 114 printf("%5d ", thread_stats[i].stack_size);
shimniok 28:eab1b0680bb2 115 printf("%4d ", thread_stats[i].stack_space);
shimniok 28:eab1b0680bb2 116 printf("%s ", thread_stats[i].name);
shimniok 24:a7f92dfc5310 117 puts("");
shimniok 0:7e98bbfd102a 118 }
shimniok 0:7e98bbfd102a 119 }
shimniok 0:7e98bbfd102a 120 };
shimniok 0:7e98bbfd102a 121
shimniok 0:7e98bbfd102a 122 #endif // STATS_REPORT_H