From 75015790469b4b89994003349a5effce7b657ecf Mon Sep 17 00:00:00 2001
From: Wenchao Hao <8159277+wenchao-hao@user.noreply.gitee.com>
Date: Thu, 21 Sep 2023 07:17:39 +0000
Subject: [PATCH] update loop.sh. update add fio policy

Signed-off-by: Wenchao Hao <8159277+wenchao-hao@user.noreply.gitee.com>
---
 loop.sh | 22 ++++++++++------------
 1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/loop.sh b/loop.sh
index 56738dc..0f7492f 100644
--- a/loop.sh
+++ b/loop.sh
@@ -6,20 +6,18 @@ function add_fio()
 {
 	while :
 	do
-		fio_cnt=$(ps aux | grep fio -c)
-		if [ $fio_cnt -gt 150 ]; then
-			echo "$fio_cnt larger than 150, do not add"
-			continue
-		fi
 		for dev in `lsscsi | grep scsi_debug | awk '{print $6}'`
 		do
-			inject=$[RANDOM%3]
-			if [ $inject -eq 0 ] || [ $inject -eq 1 ] ; then
-				disk=$(basename $dev)
-				threads=$[RANDOM%31+1]
-				echo "add $threads fio for $disk"
-				fio -filename=/dev/$disk -name=rand_write -rw=randrw -bs=4k -direct=1 -size=1G -numjobs=$threads -runtime=240 -group_reporting 2>&1 > /dev/null &
-			fi
+    		fio_cnt=$(ps aux | grep fio | grep $dev -c)
+	    	if [ $fio_cnt -gt 20 ]; then
+		    	echo "$fio_cnt larger than 20, do not add"
+			    continue
+		    fi
+
+			threads=$[RANDOM%5+1]
+			echo "add $threads fio for $dev"
+			fio -filename=$dev -name=rand_write -rw=randrw -bs=4k -direct=1 -size=1G -numjobs=$threads -runtime=240 -group_reporting 2>&1 > /dev/null &
+
 		done
 
 		sleep 10