--- linux-5.1/tools/perf/trace/beauty/usbdevfs_ioctl.sh.orig	2019-05-18 12:06:30.000000000 +0200
+++ linux-5.1/tools/perf/trace/beauty/usbdevfs_ioctl.sh	2019-05-18 12:43:40.724851148 +0200
@@ -4,14 +4,14 @@
 [ $# -eq 1 ] && header_dir=$1 || header_dir=tools/include/uapi/linux/
 
 printf "static const char *usbdevfs_ioctl_cmds[] = {\n"
-regex="^#[[:space:]]*define[[:space:]]+USBDEVFS_(\w+)[[:space:]]+_IO[WR]{0,2}\([[:space:]]*'U'[[:space:]]*,[[:space:]]*([[:digit:]]+).*"
+regex="^#[[:space:]]*define[[:space:]]+USBDEVFS_(\w+)[[:space:]]+_IO[WR]*\([[:space:]]*'U'[[:space:]]*,[[:space:]]*([[:digit:]]+).*"
 egrep $regex ${header_dir}/usbdevice_fs.h | egrep -v 'USBDEVFS_\w+32[[:space:]]' | \
 	sed -r "s/$regex/\2 \1/g"	| \
 	sort | xargs printf "\t[%s] = \"%s\",\n"
 printf "};\n\n"
 printf "#if 0\n"
 printf "static const char *usbdevfs_ioctl_32_cmds[] = {\n"
-regex="^#[[:space:]]*define[[:space:]]+USBDEVFS_(\w+)[[:space:]]+_IO[WR]{0,2}\([[:space:]]*'U'[[:space:]]*,[[:space:]]*([[:digit:]]+).*"
+regex="^#[[:space:]]*define[[:space:]]+USBDEVFS_(\w+)[[:space:]]+_IO[WR]*\([[:space:]]*'U'[[:space:]]*,[[:space:]]*([[:digit:]]+).*"
 egrep $regex ${header_dir}/usbdevice_fs.h | egrep 'USBDEVFS_\w+32[[:space:]]' | \
 	sed -r "s/$regex/\2 \1/g"	| \
 	sort | xargs printf "\t[%s] = \"%s\",\n"