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Diff: platform/mbed_stats.h
- Revision:
- 0:38ceb79fef03
diff -r 000000000000 -r 38ceb79fef03 platform/mbed_stats.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/platform/mbed_stats.h Wed Nov 28 15:10:15 2018 +0000 @@ -0,0 +1,164 @@ + +/** \addtogroup platform */ +/** @{*/ +/** + * \defgroup platform_stats stats functions + * @{ + */ +/* mbed Microcontroller Library + * Copyright (c) 2016-2018 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> +#include "hal/ticker_api.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef MBED_ALL_STATS_ENABLED +#define MBED_SYS_STATS_ENABLED 1 +#define MBED_STACK_STATS_ENABLED 1 +#define MBED_CPU_STATS_ENABLED 1 +#define MBED_HEAP_STATS_ENABLED 1 +#define MBED_THREAD_STATS_ENABLED 1 +#endif + +/** + * 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 repesenting 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 */ +} 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 + +/** @}*/ + +/** @}*/