From b5e16fb14006c3813bd785c4c289dcc0f7e37b59 Mon Sep 17 00:00:00 2001
From: "Bjoern B. Brandenburg" <bbb@cs.unc.edu>
Date: Wed, 3 Sep 2008 15:14:33 -0400
Subject: add tool for measuring cycles/sec

---
 bin/cycles.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 bin/cycles.c

(limited to 'bin')

diff --git a/bin/cycles.c b/bin/cycles.c
new file mode 100644
index 0000000..4e5a078
--- /dev/null
+++ b/bin/cycles.c
@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "cycles.h"
+
+int main(int argc, char** argv)
+{
+	cycles_t t1, t2;
+	int secs = 1;
+	
+	if (argc > 1) {
+		secs = atoi(argv[1]);
+		if (secs <= 0)
+			secs = 1;
+	}
+	while (1) {
+		t1 = get_cycles();
+		sleep(secs);
+		t2 = get_cycles();
+		t2 -= t1;
+		printf("%.2f/sec\n", t2 / (double) secs);
+	}
+	return 0;
+}
-- 
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