mbed_stats.c

00001 #include "mbed_stats.h"
00002 #include <string.h>
00003 
00004 #if MBED_CONF_RTOS_PRESENT
00005 #include "cmsis_os.h"
00006 #endif
00007 
00008 // note: mbed_stats_heap_get defined in mbed_alloc_wrappers.cpp
00009 
00010 void mbed_stats_stack_get(mbed_stats_stack_t *stats)
00011 {
00012     memset(stats, 0, sizeof(mbed_stats_stack_t));
00013 
00014 #if MBED_STACK_STATS_ENABLED && MBED_CONF_RTOS_PRESENT
00015     osThreadEnumId enumid = _osThreadsEnumStart();
00016     osThreadId threadid;
00017 
00018     while ((threadid = _osThreadEnumNext(enumid))) {
00019         osEvent e;
00020 
00021         e = _osThreadGetInfo(threadid, osThreadInfoStackMax);
00022         if (e.status == osOK) {
00023            stats->max_size += (uint32_t)e.value.p;
00024         }
00025 
00026         e = _osThreadGetInfo(threadid, osThreadInfoStackSize);
00027         if (e.status == osOK) {
00028            stats->reserved_size += (uint32_t)e.value.p;
00029         }
00030 
00031         stats->stack_cnt += 1;
00032     }
00033 #endif
00034 }
00035 
00036 size_t mbed_stats_stack_get_each(mbed_stats_stack_t *stats, size_t count)
00037 {
00038     memset(stats, 0, count*sizeof(mbed_stats_stack_t));
00039     size_t i = 0;
00040 
00041 #if MBED_STACK_STATS_ENABLED && MBED_CONF_RTOS_PRESENT
00042     osThreadEnumId enumid = _osThreadsEnumStart();
00043     osThreadId threadid;
00044 
00045     while ((threadid = _osThreadEnumNext(enumid)) && i < count) {
00046         osEvent e;
00047 
00048         e = _osThreadGetInfo(threadid, osThreadInfoStackMax);
00049         if (e.status == osOK) {
00050            stats[i].max_size = (uint32_t)e.value.p;
00051         }
00052 
00053         e = _osThreadGetInfo(threadid, osThreadInfoStackSize);
00054         if (e.status == osOK) {
00055            stats[i].reserved_size = (uint32_t)e.value.p;
00056         }
00057 
00058         stats[i].thread_id = (uint32_t)threadid;
00059         stats[i].stack_cnt = 1;
00060         i += 1;
00061     }
00062 #endif
00063 
00064     return i;
00065 }
00066 
00067 #if MBED_STACK_STATS_ENABLED && !MBED_CONF_RTOS_PRESENT
00068 #warning Stack statistics are currently not supported without the rtos.
00069 #endif