mockbuild@booky:~/pbdeps$ dpkg-deb -c xen-hypervisor-4.18-amd64_4.18.0-1+deb12u3.4_amd64.deb
drwxr-xr-x root/root         0 2024-02-04 11:39 ./
drwxr-xr-x root/root         0 2024-02-04 11:39 ./boot/
drwxr-xr-x root/root         0 2024-02-04 11:39 ./boot/efi/
drwxr-xr-x root/root         0 2024-02-04 11:39 ./boot/efi/EFI/
drwxr-xr-x root/root         0 2024-02-04 11:39 ./boot/efi/EFI/debian/
-rwxr-xr-x root/root   2921654 2024-02-04 11:39 ./boot/efi/EFI/debian/xen-4.18-amd64-perf.efi
-rwxr-xr-x root/root   2695136 2024-02-04 11:39 ./boot/efi/EFI/debian/xen-4.18-amd64-xsm.efi
-rwxr-xr-x root/root   2587744 2024-02-04 11:39 ./boot/efi/EFI/debian/xen-4.18-amd64.efi
drwxr-xr-x root/root         0 2024-02-04 11:39 ./boot/flask/
-rw-r--r-- root/root     10943 2024-02-04 11:39 ./boot/flask/xenpolicy-4.18
drwxr-xr-x root/root         0 2024-02-04 11:39 ./boot/kcfg/
-rw-r--r-- root/root      3013 2024-02-04 11:39 ./boot/kcfg/xen-4.18-perf.config
-rw-r--r-- root/root      2854 2024-02-04 11:39 ./boot/kcfg/xen-4.18-xsm.config
-rw-r--r-- root/root      2636 2024-02-04 11:39 ./boot/kcfg/xen-4.18.config
-rw-r--r-- root/root   1239932 2024-02-04 11:39 ./boot/xen-4.18-amd64-perf.gz
-rw-r--r-- root/root   1221919 2024-02-04 11:39 ./boot/xen-4.18-amd64-xsm.gz
-rw-r--r-- root/root   1173225 2024-02-04 11:39 ./boot/xen-4.18-amd64.gz
drwxr-xr-x root/root         0 2024-02-04 11:39 ./etc/
drwxr-xr-x root/root         0 2024-02-04 11:39 ./etc/default/
drwxr-xr-x root/root         0 2024-02-04 11:39 ./etc/default/grub.d/
-rw-r--r-- root/root      1834 2024-02-04 11:39 ./etc/default/grub.d/xen-4.18.cfg
drwxr-xr-x root/root         0 2024-02-04 11:39 ./usr/
drwxr-xr-x root/root         0 2024-02-04 11:39 ./usr/share/
drwxr-xr-x root/root         0 2024-02-04 11:39 ./usr/share/bug/
drwxr-xr-x root/root         0 2024-02-04 11:39 ./usr/share/bug/xen-hypervisor-4.18-amd64/
-rw-r--r-- root/root        19 2016-12-22 09:16 ./usr/share/bug/xen-hypervisor-4.18-amd64/control
drwxr-xr-x root/root         0 2024-02-04 11:39 ./usr/share/doc/
drwxr-xr-x root/root         0 2024-02-04 11:39 ./usr/share/doc/xen-hypervisor-4.18-amd64/
-rw-r--r-- root/root     14734 2024-02-04 11:39 ./usr/share/doc/xen-hypervisor-4.18-amd64/changelog.Debian.gz
-rw-r--r-- root/root      5051 2024-02-04 11:39 ./usr/share/doc/xen-hypervisor-4.18-amd64/changelog.gz
-rw-r--r-- root/root     14537 2016-12-22 09:01 ./usr/share/doc/xen-hypervisor-4.18-amd64/copyright


mockbuild@booky:~/pbdeps$ cat xen_perf_fix 
#!/bin/bash

# if XSM is not set, insert the settings, then delete the reminder

sed -i -e '/^# CONFIG_DEBUG_INFO/ i CONFIG_DEBUG=y\
# CONFIG_CRASH_DEBUG is not set\
# CONFIG_GDBSX is not set\
CONFIG_FRAME_POINTER=y\
# CONFIG_DEBUG_LOCK_PROFILE is not set\
CONFIG_DEBUG_LOCKS=y\
CONFIG_PERF_COUNTERS=y\
CONFIG_PERF_ARRAYS=y\
CONFIG_VERBOSE_DEBUG=y\
CONFIG_SCRUB_DEBUG=y\
# CONFIG_UBSAN is not set\
# CONFIG_DEBUG_TRACE is not set\
CONFIG_XMEM_POOL_POISON=y\
CONFIG_DEBUG_INFO=y

/^# CONFIG_DEBUG /d' $1/.config

sed -i -e '/CONFIG_SCHED_CREDIT2=y/ a CONFIG_SCHED_RTDS=y\
CONFIG_SCHED_ARINC653=y\
CONFIG_SCHED_NULL=y' $1/.config

sed -i -e '/^# CONFIG_DEBUG_INFO/d' $1/.config

sed -i -e '/^CONFIG_XEN_ALIGN_DEFAULT=y/ i CONFIG_HVM_FEP=y' $1/.config

mockbuild@booky:~/pbdeps$ cat add-perf-rules.diff 
--- ../zzrules.real.noperf	2024-02-03 11:24:29.000000000 -0800
+++ debian/rules.real	2024-02-04 11:38:14.148250972 -0800
@@ -17,6 +17,7 @@
 export CONFIG_TESTS=n
 export XEN_SYSTEMD_DIR
 export FLASK_POLICY=y
+export DEBUG_XENPERF=y
 export PANDOC=
 export FIG2DEV=
 export EFI_VENDOR=debian
@@ -63,6 +64,9 @@
 ifeq ($(FLASK_POLICY),y)
 build-arch-flavour: $(STAMPS_DIR)/bld-hyp_$(ARCH)_$(FLAVOUR)_XSM
 endif
+ifeq ($(DEBUG_XENPERF),y)
+build-arch-flavour: $(STAMPS_DIR)/bld-hyp_$(ARCH)_$(FLAVOUR)_PERF
+endif
 build-indep: $(STAMPS_DIR)/build-docs
 
 setup-arch: $(STAMPS_DIR)/setup-utils_$(ARCH)
@@ -110,6 +114,21 @@
 #	echo "XEN_VENDORVERSION := $(EXTRAVERSION)" > $(DIR)/xen/xen-version
 	@$(stamp)
 
+$(STAMPS_DIR)/su-hyp_$(ARCH)_$(FLAVOUR)_PERF: SOURCE_FILES = $(filter-out debian, $(wildcard *))
+$(STAMPS_DIR)/su-hyp_$(ARCH)_$(FLAVOUR)_PERF: DIR=$(BUILD_DIR)/bld-hyp_$(ARCH)_$(FLAVOUR)_PERF
+$(STAMPS_DIR)/su-hyp_$(ARCH)_$(FLAVOUR)_PERF:
+	@rm -rf $(DIR)
+	mkdir -p $(DIR)
+	sed -i -e '/EXTRAVER/ s/1-pre/0/' xen/Makefile ;
+	sed -i -e '/CONFIG_TESTS/ s/y$$/n/' Config.mk ;
+	cp -al $(SOURCE_FILES) $(DIR)
+	sed -i -e '/^CFLAGS/ s/-Werror/-fcf-protection=none -Wno-error/' $(DIR)/xen/Rules.mk ;
+	cp debian/xen_$(VERSION)_$(ARCH).config $(DIR)/xen/.config ;
+	./debian/xen_perf_fix $(DIR)/xen
+	echo  "b1fdd7d0e47e0831ac-x86/ucode: Fix stability of the raw CPU Policy rescan-Thu 1 Feb 2024 09:02" > $(DIR)/.scmversion
+#	echo "XEN_VENDORVERSION := $(EXTRAVERSION)" > $(DIR)/xen/xen-version
+	@$(stamp)
+
 
 $(STAMPS_DIR)/setup-utils_$(ARCH): SOURCE_FILES = $(filter-out debian, $(wildcard *))
 $(STAMPS_DIR)/setup-utils_$(ARCH): DIR=$(BUILD_DIR)/build-utils_$(ARCH)
@@ -203,6 +222,16 @@
 		LANG=C.UTF-8
 	touch $@
 
+$(STAMPS_DIR)/bld-hyp_$(ARCH)_$(FLAVOUR)_PERF: DIR=$(BUILD_DIR)/bld-hyp_$(ARCH)_$(FLAVOUR)_PERF
+$(STAMPS_DIR)/bld-hyp_$(ARCH)_$(FLAVOUR)_PERF: XEN_EXTRAVERSION=.0-perf
+	set;
+	for i in $(shell dpkg-buildflags --list);do dpkg-buildflags --get $$i  ;done
+	env -u LDFLAGS -u CFLAGS $(MAKE_CLEAN) -C $(DIR)/xen \
+		XEN_COMPILE_ARCH=$(XEN_ARCH) XEN_DOMAIN=prymar56.org XEN_EXTRAVERSION=.0-perf \
+		XEN_TARGET_ARCH=$(XEN_ARCH) \
+		LANG=C.UTF-8
+	touch $@
+
 
 $(STAMPS_DIR)/build-utils_$(ARCH) \
 $(STAMPS_DIR)/install-utils_$(ARCH): CONFIG = \
@@ -294,6 +323,10 @@
 ins-hyp_$(ARCH)_$(FLAVOUR): DIR_XSM = $(BUILD_DIR)/build-utils_$(ARCH)
 ins-hyp_$(ARCH)_$(FLAVOUR): $(STAMPS_DIR)/bld-hyp_$(ARCH)_$(FLAVOUR)_XSM
 endif
+ifeq ($(DEBUG_XENPERF),y)
+ins-hyp_$(ARCH)_$(FLAVOUR): DIR_PERF = $(BUILD_DIR)/bld-hyp_$(ARCH)_$(FLAVOUR)_PERF
+ins-hyp_$(ARCH)_$(FLAVOUR): $(STAMPS_DIR)/bld-hyp_$(ARCH)_$(FLAVOUR)_PERF
+endif
 ins-hyp_$(ARCH)_$(FLAVOUR): $(STAMPS_DIR)/bld-hyp_$(ARCH)_$(FLAVOUR)
 	dh_testdir
 	dh_testroot
@@ -320,6 +353,14 @@
 	strip -s debian/$(PACKAGE_NAME)/boot/efi/EFI/$(EFI_VENDOR)/xen-$(VERSION)-$(FLAVOUR)-xsm.efi
 endif
 endif
+ifeq ($(DEBUG_XENPERF),y)
+	cp -p $(DIR_PERF)/xen/.config  debian/$(PACKAGE_NAME)/boot/kcfg/xen-$(VERSION)-perf.config
+	cp $(DIR_PERF)/xen/xen$(IMAGE_SUFFIX) debian/$(PACKAGE_NAME)/boot/xen-$(VERSION)-$(FLAVOUR)-perf$(IMAGE_SUFFIX)
+ifeq ($(ARCH),amd64)
+	cp $(DIR_PERF)/xen/xen.efi debian/$(PACKAGE_NAME)/boot/efi/EFI/$(EFI_VENDOR)/xen-$(VERSION)-$(FLAVOUR)-perf.efi
+	strip -s debian/$(PACKAGE_NAME)/boot/efi/EFI/$(EFI_VENDOR)/xen-$(VERSION)-$(FLAVOUR)-perf.efi
+endif
+endif
 	cp -p $(DIR)/xen/.config  debian/$(PACKAGE_NAME)/boot/kcfg/xen-$(VERSION).config
 	cp $(DIR)/xen/xen$(IMAGE_SUFFIX) debian/$(PACKAGE_NAME)/boot/xen-$(VERSION)-$(FLAVOUR)$(IMAGE_SUFFIX)
 	if [  -d debian/$(PACKAGE_NAME)/usr/lib64/efi ]; then \