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7492c862af
In order to enable CONFIG_HEAP_TASK_TRACKING, some kind of poisoning had to be enabled (!HEAP_POISONING_DISABLED). However since those functionalities don't seem to be related in any way, this commit decouple them by removing MULTI_HEAP_BLOCK_OWNER from poison_head_t in multi_heap_poisoning.c and handling the block ownership in heap_caps.c instead. Note that handling task tracking in multi_heap.c would necessitate updating the ROM implementation of multi_heap.c as well. For this reason, the task tracking feature has to be handled in heap_caps.c.
121 lines
3.9 KiB
C
121 lines
3.9 KiB
C
/*
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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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#include <freertos/FreeRTOS.h>
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#include <freertos/task.h>
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#include <multi_heap.h>
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#include "multi_heap_internal.h"
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#include "heap_private.h"
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#include "esp_heap_task_info.h"
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#ifdef CONFIG_HEAP_TASK_TRACKING
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/*
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* 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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* Returns the number of block detail structs returned.
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*/
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size_t heap_caps_get_per_task_info(heap_task_info_params_t *params)
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{
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heap_t *reg;
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heap_task_block_t *blocks = params->blocks;
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size_t count = *params->num_totals;
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size_t remaining = params->max_blocks;
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// Clear out totals for any prepopulated tasks.
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if (params->totals) {
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for (size_t i = 0; i < count; ++i) {
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for (size_t type = 0; type < NUM_HEAP_TASK_CAPS; ++type) {
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params->totals[i].size[type] = 0;
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params->totals[i].count[type] = 0;
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}
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}
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}
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SLIST_FOREACH(reg, ®istered_heaps, next) {
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multi_heap_handle_t heap = reg->heap;
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if (heap == NULL) {
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continue;
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}
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// Find if the capabilities of this heap region match on of the desired
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// sets of capabilities.
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uint32_t caps = get_all_caps(reg);
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uint32_t type;
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for (type = 0; type < NUM_HEAP_TASK_CAPS; ++type) {
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if ((caps & params->mask[type]) == params->caps[type]) {
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break;
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}
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}
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if (type == NUM_HEAP_TASK_CAPS) {
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continue;
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}
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multi_heap_block_handle_t b = multi_heap_get_first_block(heap);
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multi_heap_internal_lock(heap);
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for ( ; b ; b = multi_heap_get_next_block(heap, b)) {
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if (multi_heap_is_free(b)) {
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continue;
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}
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void *p = multi_heap_get_block_address(b); // Safe, only arithmetic
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size_t bsize = multi_heap_get_allocated_size(heap, p); // Validates
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TaskHandle_t btask = MULTI_HEAP_GET_BLOCK_OWNER(p);
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// Accumulate per-task allocation totals.
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if (params->totals) {
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size_t i;
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for (i = 0; i < count; ++i) {
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if (params->totals[i].task == btask) {
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break;
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}
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}
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if (i < count) {
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params->totals[i].size[type] += bsize;
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params->totals[i].count[type] += 1;
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}
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else {
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if (count < params->max_totals) {
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params->totals[count].task = btask;
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params->totals[count].size[type] = bsize;
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params->totals[i].count[type] = 1;
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++count;
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}
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}
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}
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// Return details about allocated blocks for selected tasks.
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if (blocks && remaining > 0) {
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if (params->tasks) {
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size_t i;
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for (i = 0; i < params->num_tasks; ++i) {
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if (btask == params->tasks[i]) {
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break;
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}
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}
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if (i == params->num_tasks) {
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continue;
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}
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}
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blocks->task = btask;
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blocks->address = p;
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blocks->size = bsize;
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++blocks;
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--remaining;
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}
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}
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multi_heap_internal_unlock(heap);
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}
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*params->num_totals = count;
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return params->max_blocks - remaining;
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}
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#endif // CONFIG_HEAP_TASK_TRACKING
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