From 6e8a1354a799f14fb068fdecd771daa64918d36d Mon Sep 17 00:00:00 2001
From: Tomas Kolda <koldat@gmail.com>
Date: Mon, 15 Jul 2019 12:15:21 -0700
Subject: [PATCH] Fix regression - 100% CPU - Regression for Windows 7 (#5557)

Summary:
Fixes https://github.com/facebook/rocksdb/issues/5552
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5557

Differential Revision: D16266329

fbshipit-source-id: a8f6b50298a6f7c8d6c7e172bb26dd7eb6bd8a4d
---
 port/win/env_win.cc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/port/win/env_win.cc b/port/win/env_win.cc
index 9abb14d67..7718ebd72 100644
--- a/port/win/env_win.cc
+++ b/port/win/env_win.cc
@@ -979,8 +979,7 @@ uint64_t WinEnvIO::NowMicros() {
     return li.QuadPart;
   }
   using namespace std::chrono;
-  return duration_cast<microseconds>(
-      high_resolution_clock::now().time_since_epoch()).count();
+  return duration_cast<microseconds>(system_clock::now().time_since_epoch()).count();
 }
 
 uint64_t WinEnvIO::NowNanos() {