From 37d0dcb9b10d2ad1d3bd081b83f51bfd3400ee9e Mon Sep 17 00:00:00 2001
From: Dhruba Borthakur <dhruba@gmail.com>
Date: Fri, 11 May 2012 11:32:37 -0700
Subject: [PATCH] Use the elapsed time (instead of the per-thread time) to
 compute ops/sec.

Summary:
Task ID: #

Blame Rev:

Test Plan: Revert Plan:

Differential Revision: https://reviews.facebook.net/D3147
---
 db/db_bench.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/db/db_bench.cc b/db/db_bench.cc
index 5e71f81ab3..346ff9d5b4 100644
--- a/db/db_bench.cc
+++ b/db/db_bench.cc
@@ -252,7 +252,8 @@ class Stats {
       extra = rate;
     }
     AppendWithSpace(&extra, message_);
-    double throughput = (double)done_/seconds_;
+    double elapsed = (finish_ - start_) * 1e-6;
+    double throughput = (double)done_/elapsed;
 
     fprintf(stdout, "%-12s : %11.3f micros/op %ld ops/sec;%s%s\n",
             name.ToString().c_str(),