From 9f99c35b58a9aea741f39450e2681b30bd99522a Mon Sep 17 00:00:00 2001
From: Dominic Kempf <dominic.kempf@iwr.uni-heidelberg.de>
Date: Thu, 31 Aug 2017 17:23:52 +0200
Subject: [PATCH] Fixups to the new TSC frequency getter method
---
dune/perftool/common/tsc.cc | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/dune/perftool/common/tsc.cc b/dune/perftool/common/tsc.cc
index 999eee11..42616419 100644
--- a/dune/perftool/common/tsc.cc
+++ b/dune/perftool/common/tsc.cc
@@ -1,6 +1,7 @@
#include "config.h"
#include <regex>
+#include <fstream>
#include <iostream>
#include <algorithm>
#include <vector>
@@ -113,13 +114,14 @@ namespace Dune {
{
double result = -1.0;
try {
- auto cpuinfo = std::ifstream("/proc/cpuinfo");
+ std::ifstream cpuinfo("/proc/cpuinfo");
auto re = std::regex("bogomips\\s:\\s(\\d+\\.\\d+)$");
+ auto match = std::smatch();
using std::getline;
for (std::string line ; getline(cpuinfo,line) ; )
{
- if (auto match = std::smatch() ; std::regex_match(line,match,re))
+ if (std::regex_match(line,match,re))
{
result = 5e5 * std::stod(match[1].str());
break;
--
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