From 916a8aa5ed0709b638260ae116659586a4a49435 Mon Sep 17 00:00:00 2001
From: Vincent Li <vincent.mc.li@gmail.com>
Date: Wed, 5 Nov 2025 18:13:17 +0000
Subject: [PATCH] flash-images: mount debugfs

mount debugfs to allow kernel functions tracing

Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>
---
 lfs/flash-images | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lfs/flash-images b/lfs/flash-images
index b6101b476..6aace477c 100644
--- a/lfs/flash-images
+++ b/lfs/flash-images
@@ -40,6 +40,7 @@ IMAGE_FILE = /install/images/$(SNAME)-$(VERSION)-core$(CORE)-$(BUILD_ARCH).img.x
 
 FSTAB_FMT = UUID=%s %-8s %-4s %-10s %d %d\n
 BPFFS_FMT = %s %-8s %-4s %-10s %d %d\n
+DEBUGFS_FMT = %s %-8s %-4s %-10s %d %d\n
 
 ###############################################################################
 # Top-level Rules
@@ -169,6 +170,8 @@ endif
 
 	printf "$(BPFFS_FMT)" "bpffs" "/sys/fs/bpf" \
 		"bpf" "defaults" 0 0 >> $(MNThdd)/etc/fstab
+	printf "$(DEBUGFS_FMT)" "debugfs" "/sys/kernel/debug" \
+		"debugfs" "defaults" 0 0 >> $(MNThdd)/etc/fstab
 
 ifeq "$(BOOTLOADER)" "grub"
 	# backup defaults file