From 17148d70fcdc99228fa31c78ab7a23ea3efd13c6 Mon Sep 17 00:00:00 2001
From: lguohan <lguohan@gmail.com>
Date: Sun, 17 Jan 2021 11:05:33 -0800
Subject: [PATCH] [kvm]: add debug cmd for build_kvm_image.sh (#6472)

dump netstat info on error

Signed-off-by: Guohan Lu <lguohan@gmail.com>
---
 scripts/build_kvm_image.sh | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/scripts/build_kvm_image.sh b/scripts/build_kvm_image.sh
index e0a7ec2fef..4531ca25a5 100755
--- a/scripts/build_kvm_image.sh
+++ b/scripts/build_kvm_image.sh
@@ -22,6 +22,7 @@ on_exit()
 
 on_error()
 {
+    netstat -antp
     echo "============= kvm_log =============="
     cat $kvm_log
 }
@@ -51,12 +52,12 @@ create_disk
 prepare_installer_disk
 
 echo "Prepare memory for KVM build: $vs_build_prepare_mem"
-sudo mount proc /proc -t proc || true
+mount proc /proc -t proc || true
 free -m
 if [[ "$vs_build_prepare_mem" == "yes" ]]; then
     # Force o.s. to drop cache and compact memory so that KVM can get 2G memory
-    sudo bash -c 'echo 1 > /proc/sys/vm/drop_caches'
-    sudo bash -c 'echo 1 > /proc/sys/vm/compact_memory'
+    bash -c 'echo 1 > /proc/sys/vm/drop_caches'
+    bash -c 'echo 1 > /proc/sys/vm/compact_memory'
     free -m
 fi