mbed-os/platform/mbed_stats.h

88 lines
2.8 KiB
C

/** \addtogroup platform */
/** @{*/
/**
* \defgroup platform_stats stats functions
* @{
*/
/* mbed Microcontroller Library
* Copyright (c) 2016-2016 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBED_STATS_H
#define MBED_STATS_H
#include <stdint.h>
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* struct mbed_stats_heap_t definition
*/
typedef struct {
uint32_t current_size; /**< Bytes allocated currently. */
uint32_t max_size; /**< Max bytes allocated at a given time. */
uint32_t total_size; /**< Cumulative sum of bytes ever allocated. */
uint32_t reserved_size; /**< Current number of bytes allocated for the heap. */
uint32_t alloc_cnt; /**< Current number of allocations. */
uint32_t alloc_fail_cnt; /**< Number of failed allocations. */
} mbed_stats_heap_t;
/**
* Fill the passed in heap stat structure with heap stats.
*
* @param stats A pointer to the mbed_stats_heap_t structure to fill
*/
void mbed_stats_heap_get(mbed_stats_heap_t *stats);
/**
* struct mbed_stats_stack_t definition
*/
typedef struct {
uint32_t thread_id; /**< Identifier for thread that owns the stack or 0 if multiple threads. */
uint32_t max_size; /**< Maximum number of bytes used on the stack. */
uint32_t reserved_size; /**< Current number of bytes allocated for the stack. */
uint32_t stack_cnt; /**< Number of stacks stats accumulated in the structure. */
} mbed_stats_stack_t;
/**
* Fill the passed in structure with stack stats accumulated for all threads. The thread_id will be 0
* and stack_cnt will represent number of threads.
*
* @param stats A pointer to the mbed_stats_stack_t structure to fill
*/
void mbed_stats_stack_get(mbed_stats_stack_t *stats);
/**
* Fill the passed array of stat structures with the stack stats for each available thread.
*
* @param stats A pointer to an array of mbed_stats_stack_t structures to fill
* @param count The number of mbed_stats_stack_t structures in the provided array
* @return The number of mbed_stats_stack_t structures that have been filled,
* this is equal to the number of stacks on the system.
*/
size_t mbed_stats_stack_get_each(mbed_stats_stack_t *stats, size_t count);
#ifdef __cplusplus
}
#endif
#endif
/** @}*/
/** @}*/