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Diff: platform/mbed_stats.c
- Revision:
- 167:1657b442184c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/platform/mbed_stats.c Thu Jun 29 11:01:39 2017 +0000 @@ -0,0 +1,71 @@ +#include "mbed_stats.h" +#include <string.h> +#include <stdlib.h> +#include "mbed_assert.h" + +#if MBED_CONF_RTOS_PRESENT +#include "cmsis_os2.h" +#endif + +// note: mbed_stats_heap_get defined in mbed_alloc_wrappers.cpp + +void mbed_stats_stack_get(mbed_stats_stack_t *stats) +{ + memset(stats, 0, sizeof(mbed_stats_stack_t)); + +#if MBED_STACK_STATS_ENABLED && MBED_CONF_RTOS_PRESENT + uint32_t thread_n = osThreadGetCount(); + unsigned i; + osThreadId_t *threads; + + threads = malloc(sizeof(osThreadId_t) * thread_n); + MBED_ASSERT(threads != NULL); + + osKernelLock(); + thread_n = osThreadEnumerate(threads, thread_n); + + for(i = 0; i < thread_n; i++) { + uint32_t stack_size = osThreadGetStackSize(threads[i]); + stats->max_size += stack_size - osThreadGetStackSpace(threads[i]); + stats->reserved_size += stack_size; + stats->stack_cnt++; + } + osKernelUnlock(); + + free(threads); +#endif +} + +size_t mbed_stats_stack_get_each(mbed_stats_stack_t *stats, size_t count) +{ + memset(stats, 0, count*sizeof(mbed_stats_stack_t)); + size_t i = 0; + +#if MBED_STACK_STATS_ENABLED && MBED_CONF_RTOS_PRESENT + osThreadId_t *threads; + + threads = malloc(sizeof(osThreadId_t) * count); + MBED_ASSERT(threads != NULL); + + osKernelLock(); + count = osThreadEnumerate(threads, count); + + for(i = 0; i < count; i++) { + uint32_t stack_size = osThreadGetStackSize(threads[i]); + stats[i].max_size = stack_size - osThreadGetStackSpace(threads[i]); + stats[i].reserved_size = stack_size; + stats[i].thread_id = (uint32_t)threads[i]; + stats[i].stack_cnt = 1; + } + osKernelUnlock(); + + free(threads); +#endif + + return i; +} + +#if MBED_STACK_STATS_ENABLED && !MBED_CONF_RTOS_PRESENT +#warning Stack statistics are currently not supported without the rtos. +#endif +