// Copyright (c) 2012 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "base/sys_info.h" #include "base/time/time.h" namespace base { // static int64 SysInfo::Uptime() { // This code relies on an implementation detail of TimeTicks::Now() - that // its return value happens to coincide with the system uptime value in // microseconds, on Win/Mac/iOS/Linux/ChromeOS and Android. int64 uptime_in_microseconds = TimeTicks::Now().ToInternalValue(); return uptime_in_microseconds / 1000; } } // namespace base