88 lines
3.2 KiB
C
88 lines
3.2 KiB
C
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/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "shared-bindings/memorymonitor/AllocationSize.h"
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#include "py/gc.h"
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#include "py/mpstate.h"
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#include "py/runtime.h"
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void common_hal_memorymonitor_allocationsize_construct(memorymonitor_allocationsize_obj_t* self) {
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common_hal_memorymonitor_allocationsize_clear(self);
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self->next = NULL;
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self->previous = NULL;
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}
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void common_hal_memorymonitor_allocationsize_pause(memorymonitor_allocationsize_obj_t* self) {
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*self->previous = self->next;
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self->next = NULL;
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self->previous = NULL;
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}
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void common_hal_memorymonitor_allocationsize_resume(memorymonitor_allocationsize_obj_t* self) {
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if (self->previous != NULL) {
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mp_raise_RuntimeError(translate("Already running"));
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}
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self->next = MP_STATE_VM(active_allocationsizes);
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self->previous = (memorymonitor_allocationsize_obj_t**) &MP_STATE_VM(active_allocationsizes);
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if (self->next != NULL) {
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self->next->previous = &self->next;
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}
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MP_STATE_VM(active_allocationsizes) = self;
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}
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void common_hal_memorymonitor_allocationsize_clear(memorymonitor_allocationsize_obj_t* self) {
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for (size_t i = 0; i < ALLOCATION_SIZE_BUCKETS; i++) {
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self->buckets[i] = 0;
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}
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}
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uint16_t common_hal_memorymonitor_allocationsize_get_len(memorymonitor_allocationsize_obj_t* self) {
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return ALLOCATION_SIZE_BUCKETS;
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}
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size_t common_hal_memorymonitor_allocationsize_get_bytes_per_block(memorymonitor_allocationsize_obj_t* self) {
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return BYTES_PER_BLOCK;
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}
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uint16_t common_hal_memorymonitor_allocationsize_get_item(memorymonitor_allocationsize_obj_t* self, int16_t index) {
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return self->buckets[index];
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}
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void memorymonitor_allocationsizes_track_allocation(size_t block_count) {
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memorymonitor_allocationsize_obj_t* as = MP_OBJ_TO_PTR(MP_STATE_VM(active_allocationsizes));
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size_t power_of_two = 0;
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block_count >>= 1;
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while (block_count != 0) {
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power_of_two++;
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block_count >>= 1;
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}
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while (as != NULL) {
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as->buckets[power_of_two]++;
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as = as->next;
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}
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}
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