1// Copyright 2019 Google Inc. All rights reserved. 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package build 16 17import "syscall" 18 19func detectTotalRAM(ctx Context) uint64 { 20 var info syscall.Sysinfo_t 21 err := syscall.Sysinfo(&info) 22 if err != nil { 23 ctx.Printf("Failed to get system memory size: %v", err) 24 return 0 25 } 26 return uint64(info.Totalram) * uint64(info.Unit) 27} 28