the output is as follows printing by openssl:
CERT certs/x509_certificate_list
GENKEY certs/signing_key.pem
.....+................+...+.....+++++++++++++++++++++++++++++++++
..+....+.....+......+....+..+....+....................+............
CC arch/riscv/kernel/probes/decode-insn.o
...+..........+..........................+.......+...............
..++++ CC fs/notify/inotify/inotify_fsnotify.o
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
.....+....+++++++++++++++++++++++++++++++++++++++++++++++++++++++
Change-Id: Ia9ffa6b451f0e1612b50872a0fc1010fdc5eff6c