From 75b2f56efcabd75d2f39089049075993dd3fd9f3 Mon Sep 17 00:00:00 2001
From: Aaron LI <aly@aaronly.me>
Date: Thu, 7 Dec 2017 20:23:26 +0800
Subject: Add unix/iotest.sh: a simple IO test tool using dd

---
 unix/iotest.sh | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 unix/iotest.sh

(limited to 'unix/iotest.sh')

diff --git a/unix/iotest.sh b/unix/iotest.sh
new file mode 100644
index 0000000..fe81c97
--- /dev/null
+++ b/unix/iotest.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+#
+# Simple test to the disk write speed using `dd`.
+#
+# Aaron LI
+# 2017-11-06
+#
+
+IN=/dev/zero
+OUT=/tmp/iotest.$$
+BS=16k
+COUNT=16000
+
+RESULT=${HOME}/iotest.txt
+
+CMD="dd if=${IN} of=${OUT} bs=${BS} count=${COUNT} conv=sync"
+SPEED=$(${CMD} 2>&1 | grep 'bytes/sec' | awk -F'[()]' '{ print $2 }')
+rm ${OUT}
+DATE=$(date +'%Y-%m-%d %H:%M')
+echo "${DATE}  ${BS}*${COUNT}  ${SPEED}" >> ${RESULT}
-- 
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