From 9cdf45006ed170a6bc9ba946cbe4baedf3732832 Mon Sep 17 00:00:00 2001
From: Matt Turner <mattst88@gmail.com>
Date: Mon, 17 Nov 2008 22:00:46 +0000
Subject: Use libproccpuinfo

git-svn-id: svn://mattst88.com/svn/cleanbench/trunk@79 0d43b9a7-5ab2-4d7b-af9d-f64450cef757
---
 Makefile   |   2 +-
 hardware.c | 109 +++++++++++++------------------------------------------------
 2 files changed, 23 insertions(+), 88 deletions(-)

diff --git a/Makefile b/Makefile
index d77d86d..ae6e191 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ CC=gcc
 CFLAGS=-O3 -march=k8 -msse3 -ftree-vectorize -funroll-loops -pipe -static -Wunused -Wextra -Wall -pedantic
 #CC=icc
 #CFLAGS=-O3 -ipo -xP -gcc -static
-LIBS=-lm
+LIBS=-lm -lproccpuinfo
 
 OBJS=emfloat.o randnum.o hardware.o cleanbench.o numsort.o stringsort.o bitfield.o fpemulation.o fourier.o assignment.o idea.o huffman.o neural.o linear.o
 
diff --git a/hardware.c b/hardware.c
index 06b0096..46ecfc8 100644
--- a/hardware.c
+++ b/hardware.c
@@ -2,6 +2,8 @@
 #include <string.h>
 #include <stdlib.h>
 
+#include <proccpuinfo.h>
+
 #define BUF_SIZ 1024
 
 /******************
@@ -47,94 +49,27 @@ static void runCommand (const char *command, char *result) {
 ** The pointers must point to pre-allocated arrays of at least BUF_SIZ
 */
 static void readProcCpuInfo (char *model, char *cache) {
-  FILE * info;
-  char * cp;
-  int cpus = 0;
-  char * buffer_end;
-  char buffer[BUF_SIZ];
-  char vendor_id[BUF_SIZ];
-  char model_name[BUF_SIZ];
-  char cpu_MHz[BUF_SIZ];
-  int i;
-  float f;
+	char format[32];
+	proccpuinfo *info = proccpuinfo_read();
 
-  vendor_id[0] = model_name[0] = cpu_MHz[0] = model[0] = cache[0] = '\0';
-  info = fopen("/proc/cpuinfo", "r");
-  if(info != NULL) {
-    /* command did not fail */
-    while(NULL != fgets(buffer, BUF_SIZ, info)){
-      buffer_end = buffer + strlen(buffer);
-      cp = buffer;
-      if(! strncmp(buffer, "processor", 9)) {
-        cpus++;
-      } else if(! strncmp(buffer, "vendor_id", 9)) {
-        cp+=strlen("vendor_id");
-        while(cp < buffer_end && ( *cp == ' ' || *cp == ':'|| *cp == '\t'))
-          cp++;
-        if(cp<buffer_end) {
-          strcpy(vendor_id, cp);
-        }
-        removeNewLine(vendor_id);
-      } else if(! strncmp(buffer, "model name", 10)) {
-        cp+=strlen("model name");
-        while(cp < buffer_end && ( *cp == ' ' || *cp == ':'|| *cp == '\t'))
-          cp++;
-        if(cp<buffer_end) {
-          strcpy(model_name, cp);
-        }
-        removeNewLine(model_name);
-      } else if(! strncmp(buffer, "cpu MHz", 7)) {
-        cp+=strlen("cpu MHz");
-        while(cp < buffer_end && ( *cp == ' ' || *cp == ':'|| *cp == '\t'))
-          cp++;
-        if(cp<buffer_end) {
-          strcpy(cpu_MHz, cp);
-        }
-        removeNewLine(cpu_MHz);
-      } else if(! strncmp(buffer, "cache size", 10)) {
-        cp+=strlen("cache size");
-        while(cp < buffer_end && ( *cp == ' ' || *cp == ':'|| *cp == '\t'))
-          cp++;
-        if(cp<buffer_end) {
-          strcpy(cache, cp);
-        }
-        removeNewLine(cache);
-      }
-    }
-    if(cpus>1) {
-      if (cpus==2) {
-        strcpy(model, "Dual");
-      } else {
-        sprintf(model, "%d CPU", cpus);
-      }
-    }
-    cp = model + strlen(model);
-    if(vendor_id[0] != '\0'){
-      if(cp != model){
-        *cp++ = ' ';
-      }
-      strcpy(cp, vendor_id);
-      cp += strlen(vendor_id);
-    }
-    if(model_name[0] != '\0'){
-      if(cp != model){
-        *cp++ = ' ';
-      }
-      strcpy(cp, model_name);
-      cp += strlen(model_name);
-    }
-    if(cpu_MHz[0] != '\0'){
-      if(cp != model){
-        *cp++ = ' ';
-      }
-      f = atof(cpu_MHz);
-      i = (int)(f+0.5f);
-      sprintf(cpu_MHz, "%dMHz", i);
-      strcpy(cp, cpu_MHz);
-      cp += strlen(cpu_MHz);
-    }
-    fclose(info);
-  }
+	if (!info) {
+		return;
+	}
+
+	switch (info->cpus) {
+	case 1:
+		strncpy(format, "%s %s %.0fMHz", 32);
+		break;
+	case 2:
+		strncpy(format, "Dual %s %s %.0fMHz", 32);
+		break;
+	default:
+		strncpy(format, "%d CPUs %s %s %.0fMHz", 32);
+		break;
+	}
+	snprintf(model, BUF_SIZ, format, info->hardware_platform, info->architecture, info->frequency);
+	snprintf(cache, BUF_SIZ, "%d KB", info->cache);
+	proccpuinfo_free(info);
 }
 
 
-- 
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