2022-07-20 10:18:47 +00:00
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/*
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* SPDX-FileCopyrightText: 2018-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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2018-01-10 09:14:47 +00:00
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#pragma once
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2022-07-20 10:18:47 +00:00
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#include "sdkconfig.h"
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2018-01-10 09:14:47 +00:00
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#ifdef CONFIG_HEAP_TASK_TRACKING
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2024-02-09 07:51:52 +00:00
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#include <stdint.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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2018-01-10 09:14:47 +00:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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// This macro controls how much space is provided for partitioning the per-task
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// heap allocation info according to one or more sets of heap capabilities.
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#define NUM_HEAP_TASK_CAPS 4
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/** @brief Structure to collect per-task heap allocation totals partitioned by selected caps */
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typedef struct {
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TaskHandle_t task; ///< Task to which these totals belong
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size_t size[NUM_HEAP_TASK_CAPS]; ///< Total allocations partitioned by selected caps
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size_t count[NUM_HEAP_TASK_CAPS]; ///< Number of blocks partitioned by selected caps
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} heap_task_totals_t;
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/** @brief Structure providing details about a block allocated by a task */
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typedef struct {
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TaskHandle_t task; ///< Task that allocated the block
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void *address; ///< User address of allocated block
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uint32_t size; ///< Size of the allocated block
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} heap_task_block_t;
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/** @brief Structure to provide parameters to heap_caps_get_per_task_info
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*
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* The 'caps' and 'mask' arrays allow partitioning the per-task heap allocation
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* totals by selected sets of heap region capabilities so that totals for
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* multiple regions can be accumulated in one scan. The capabilities flags for
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* each region ANDed with mask[i] are compared to caps[i] in order; the
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* allocations in that region are added to totals->size[i] and totals->count[i]
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* for the first i that matches. To collect the totals without any
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* partitioning, set mask[0] and caps[0] both to zero. The allocation totals
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* are returned in the 'totals' array of heap_task_totals_t structs. To allow
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* easily comparing the totals array between consecutive calls, that array can
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* be left populated from one call to the next so the order of tasks is the
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* same even if some tasks have freed their blocks or have been deleted. The
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* number of blocks prepopulated is given by num_totals, which is updated upon
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* return. If there are more tasks with allocations than the capacity of the
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* totals array (given by max_totals), information for the excess tasks will be
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* not be collected. The totals array pointer can be NULL if the totals are
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* not desired.
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*
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* The 'tasks' array holds a list of handles for tasks whose block details are
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* to be returned in the 'blocks' array of heap_task_block_t structs. If the
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* tasks array pointer is NULL, block details for all tasks will be returned up
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* to the capacity of the buffer array, given by max_blocks. The function
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* return value tells the number of blocks filled into the array. The blocks
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* array pointer can be NULL if block details are not desired, or max_blocks
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* can be set to zero.
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*/
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typedef struct {
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int32_t caps[NUM_HEAP_TASK_CAPS]; ///< Array of caps for partitioning task totals
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int32_t mask[NUM_HEAP_TASK_CAPS]; ///< Array of masks under which caps must match
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TaskHandle_t *tasks; ///< Array of tasks whose block info is returned
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size_t num_tasks; ///< Length of tasks array
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heap_task_totals_t *totals; ///< Array of structs to collect task totals
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size_t *num_totals; ///< Number of task structs currently in array
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size_t max_totals; ///< Capacity of array of task totals structs
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heap_task_block_t *blocks; ///< Array of task block details structs
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size_t max_blocks; ///< Capacity of array of task block info structs
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} heap_task_info_params_t;
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/**
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* @brief Return per-task heap allocation totals and lists of blocks.
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*
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* For each task that has allocated memory from the heap, return totals for
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* allocations within regions matching one or more sets of capabilities.
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*
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* Optionally also return an array of structs providing details about each
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* block allocated by one or more requested tasks, or by all tasks.
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*
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* @param params Structure to hold all the parameters for the function
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* (@see heap_task_info_params_t).
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* @return Number of block detail structs returned (@see heap_task_block_t).
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*/
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extern size_t heap_caps_get_per_task_info(heap_task_info_params_t *params);
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#ifdef __cplusplus
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}
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#endif
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#endif // CONFIG_HEAP_TASK_TRACKING
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