mbed-os/platform/mbed_stats.h

186 lines
7.1 KiB
C

/* mbed Microcontroller Library
* Copyright (c) 2016-2019 ARM Limited
* SPDX-License-Identifier: Apache-2.0
*
* 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>
#include "hal/ticker_api.h"
#ifdef __cplusplus
extern "C" {
#endif
/** \addtogroup platform-public-api */
/** @{*/
/**
* \defgroup platform_stats stats functions
* @{
*/
#ifdef MBED_ALL_STATS_ENABLED
#ifndef MBED_SYS_STATS_ENABLED
#define MBED_SYS_STATS_ENABLED 1
#endif
#ifndef MBED_STACK_STATS_ENABLED
#define MBED_STACK_STATS_ENABLED 1
#endif
#ifndef MBED_CPU_STATS_ENABLED
#define MBED_CPU_STATS_ENABLED 1
#endif
#ifndef MBED_HEAP_STATS_ENABLED
#define MBED_HEAP_STATS_ENABLED 1
#endif
#ifndef MBED_THREAD_STATS_ENABLED
#define MBED_THREAD_STATS_ENABLED 1
#endif
#endif // MBED_ALL_STATS_ENABLED
/** Maximum memory regions reported by mbed-os memory statistics */
#define MBED_MAX_MEM_REGIONS 4
/**
* struct mbed_stats_heap_t definition
*/
typedef struct {
uint32_t current_size; /**< Bytes currently allocated on the heap */
uint32_t max_size; /**< Maximum bytes allocated on the heap at one time since reset */
uint32_t total_size; /**< Cumulative sum of bytes allocated on the heap that have not been freed */
uint32_t reserved_size; /**< Current number of bytes reserved for the heap */
uint32_t alloc_cnt; /**< Current number of allocations that have not been freed since reset */
uint32_t alloc_fail_cnt; /**< Number of failed allocations since reset */
uint32_t overhead_size; /**< Number of bytes used to store heap statistics. This overhead takes up space on the heap, reducing the available heap space */
} mbed_stats_heap_t;
/**
* Fill the passed in heap stat structure with the heap statistics.
*
* @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 the thread that owns the stack or 0 if representing accumulated statistics */
uint32_t max_size; /**< Maximum number of bytes used on the stack since the thread was started */
uint32_t reserved_size; /**< Current number of bytes reserved for the stack */
uint32_t stack_cnt; /**< The number of stacks represented in the accumulated statistics or 1 if representing a single stack */
} mbed_stats_stack_t;
/**
* Fill the passed in structure with stack statistics 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 structures with the stack statistics 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.
* If the number of stacks on the system is less than or equal to count, it will equal the number of stacks on the system.
* If the number of stacks on the system is greater than count, it will equal count.
*/
size_t mbed_stats_stack_get_each(mbed_stats_stack_t *stats, size_t count);
/**
* struct mbed_stats_cpu_t definition
*/
typedef struct {
us_timestamp_t uptime; /**< Time since the system has started */
us_timestamp_t idle_time; /**< Time spent in the idle thread since the system has started */
us_timestamp_t sleep_time; /**< Time spent in sleep since the system has started */
us_timestamp_t deep_sleep_time; /**< Time spent in deep sleep since the system has started */
} mbed_stats_cpu_t;
/**
* Fill the passed in CPU stat structure with CPU statistics.
*
* @param stats A pointer to the mbed_stats_cpu_t structure to fill
*/
void mbed_stats_cpu_get(mbed_stats_cpu_t *stats);
/**
* struct mbed_stats_thread_t definition
*/
typedef struct {
uint32_t id; /**< ID of the thread */
uint32_t state; /**< State of the thread */
uint32_t priority; /**< Priority of the thread (higher number indicates higher priority) */
uint32_t stack_size; /**< Current number of bytes reserved for the stack */
uint32_t stack_space; /**< Current number of free bytes remaining on the stack */
const char *name; /**< Name of the thread */
} mbed_stats_thread_t;
/**
* Fill the passed array of stat structures with the thread statistics for each available thread.
*
* @param stats A pointer to an array of mbed_stats_thread_t structures to fill
* @param count The number of mbed_stats_thread_t structures in the provided array
* @return The number of mbed_stats_thread_t structures that have been filled.
* If the number of threads on the system is less than or equal to count, it will equal the number of threads on the system.
* If the number of threads on the system is greater than count, it will equal count.
*/
size_t mbed_stats_thread_get_each(mbed_stats_thread_t *stats, size_t count);
/**
* enum mbed_compiler_id_t definition
*/
typedef enum {
ARM = 1, /**< ARM */
GCC_ARM, /**< GNU ARM */
IAR /**< IAR */
} mbed_compiler_id_t;
/**
* struct mbed_stats_sys_t definition
*/
typedef struct {
uint32_t os_version; /**< Mbed OS version (populated only for tagged releases) */
uint32_t cpu_id; /**< CPUID register data (Cortex-M only supported) */
mbed_compiler_id_t compiler_id; /**< Compiler ID \ref mbed_compiler_id_t */
uint32_t compiler_version; /**< Compiler version */
uint32_t ram_start[MBED_MAX_MEM_REGIONS]; /**< Start addresses of all internal RAM memories */
uint32_t ram_size[MBED_MAX_MEM_REGIONS]; /**< Size of all internal RAM memories in target */
uint32_t rom_start[MBED_MAX_MEM_REGIONS]; /**< Start addresses of all internal ROM memories */
uint32_t rom_size[MBED_MAX_MEM_REGIONS]; /**< Size of all internal ROM memories in target */
} mbed_stats_sys_t;
/**
* Fill the passed in system stat structure with system statistics.
*
* @param stats A pointer to the mbed_stats_sys_t structure to fill
*/
void mbed_stats_sys_get(mbed_stats_sys_t *stats);
#ifdef __cplusplus
}
#endif
#endif
/** @}*/
/** @}*/