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