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34 lines
1.0 KiB
34 lines
1.0 KiB
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <stdint.h>
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#include <time.h>
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static __always_inline uint64_t Nanotime() {
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struct timespec t = {};
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clock_gettime(CLOCK_MONOTONIC, &t);
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return static_cast<uint64_t>(t.tv_sec) * 1000000000LL + t.tv_nsec;
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}
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static __always_inline void MakeAllocationResident(void* ptr, size_t nbytes, int pagesize) {
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uint8_t* data = reinterpret_cast<uint8_t*>(ptr);
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for (size_t i = 0; i < nbytes; i += pagesize) {
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data[i] = 1;
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}
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}
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