From 80023b30f15e5ece0db29f30449a3977098cc339 Mon Sep 17 00:00:00 2001
From: aseguro <aseguro@wit.com>
Date: Thu, 21 Feb 2019 04:12:54 +0000
Subject: [PATCH] adding multithread compression to reduce the build time
 especially in arm boxes

---
 create_pxeinitrd.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/create_pxeinitrd.sh b/create_pxeinitrd.sh
index 022bdc7..6e90a8d 100755
--- a/create_pxeinitrd.sh
+++ b/create_pxeinitrd.sh
@@ -198,7 +198,8 @@ EOF
 
 chmod +x $INITRD_DIR/init
 
-tar -cJf $INITRD_DIR/rootfs.tar.xz -C $MNT_DIR .
+XZ_OPT=-T0 tar -cJf $INITRD_DIR/rootfs.tar.xz -C $MNT_DIR .
+
 
 #[ -d /usr/lib/linux-image-* ] && cp -r $MNT_DIR/usr/lib/linux-image-* $RESULT_DIR/dtbs
 rm $MNT_DIR/boot/initrd.img-*