74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
// This file is part of the CircuitPython project: https://circuitpython.org
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//
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// SPDX-FileCopyrightText: Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
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//
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// SPDX-License-Identifier: MIT
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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(MP_ERROR_TEXT("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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void memorymonitor_allocationsizes_reset(void) {
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MP_STATE_VM(active_allocationsizes) = NULL;
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}
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MP_REGISTER_ROOT_POINTER(mp_obj_t active_allocationsizes);
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MP_REGISTER_ROOT_POINTER(mp_obj_t active_allocationalarms);
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