From befb0811eb757a859fed5f0e60997baffc27bda9 Mon Sep 17 00:00:00 2001
From: Han Gao <gaohan@iscas.ac.cn>
Date: Wed, 19 Jul 2023 21:57:45 +0800
Subject: [PATCH] feat: build linux-perf-sg2042

Signed-off-by: Han Gao <gaohan@iscas.ac.cn>
---
 scripts/package/builddeb | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index de2a21eb25e37..1af78ca4286e0 100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -111,8 +111,10 @@ deploy_libc_headers () {
 version=$KERNELRELEASE
 tmpdir=debian/linux-image
 dbg_dir=debian/linux-image-dbg
+perf_dir="$objtree/debian/toolstmp"
 packagename=linux-image-$version
 dbg_packagename=$packagename-dbg
+perf_packagename=linux-perf-sg2042
 
 if [ "$ARCH" = "um" ] ; then
 	packagename=user-mode-linux-$version
@@ -133,9 +135,10 @@ parisc|mips|powerpc)
 esac
 
 BUILD_DEBUG=$(if_enabled_echo CONFIG_DEBUG_INFO Yes)
+BUILD_PERF=1
 
 # Setup the directory structure
-rm -rf "$tmpdir" "$dbg_dir" debian/files
+rm -rf "$tmpdir" "$dbg_dir" "$perf_dir" debian/files
 mkdir -m 755 -p "$tmpdir/DEBIAN"
 mkdir -p "$tmpdir/lib" "$tmpdir/boot"
 
@@ -236,4 +239,29 @@ if [ -n "$BUILD_DEBUG" ] ; then
 	create_package "$dbg_packagename" "$dbg_dir"
 fi
 
+if [ -n "$BUILD_PERF" ] ; then
+	# HACK - change output dir from relative to absolute
+	mkdir -p $perf_dir
+	tools_dest=`readlink -f $perf_dir`
+	if [ -n "$O" ] ; then
+		output=$(readlink -f $objtree)
+		mkdir -p $output/tools/perf
+		output="O=$output/tools/perf"
+	fi
+	$MAKE -C $srctree/tools/perf $output LDFLAGS=-static NO_LIBELF=1 NO_JVMTI=1 VF=1 srctree=$KBUILD_SRC prefix=$tools_dest/usr install
+	cat <<EOF >> debian/control
+
+Package: $perf_packagename
+Architecture: any
+Depends: \${shlibs:Depends}
+Description: Performance analysis tools for Linux $version
+ This package contains the 'perf' performance analysis tools for Linux
+ kernel version $version .
+EOF
+
+	mv $tools_dest/usr/bin/perf $tools_dest/usr/bin/perf-sg2042
+	dpkg-shlibdeps $tools_dest/usr/bin/*
+	create_package "$perf_packagename" "$perf_dir"
+fi
+
 exit 0