dpdk project gdb

[root@localhost dpdk-19.11]# export RTE_SDK=`pwd`
[root@localhost dpdk-19.11]# export RTE_TARGET=arm64-armv8a-linuxapp-gcc
[root@localhost dpdk-19.11]# export EXTRA_CFLAGS="-O0 -g"  
[root@localhost dpdk-19.11]# make -C examples/kni -j 8
make: Entering directory `/data1/dpdk-19.11/examples/kni'
  CC main.o
  LD kni
  INSTALL-APP kni
  INSTALL-MAP kni.map
make: Leaving directory `/data1/dpdk-19.11/examples/kni'
[root@localhost dpdk-19.11]# gdb ./examples/kni/build/app/kni -c 0xFFFFF -n 4 -- -P -p 0x3 --config="(0,0,1),(1,2,3)"
Excess command line arguments ignored. (4 ...)
GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-119.el7
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "aarch64-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /data1/dpdk-19.11/examples/kni/build/app/kni...done.
/data1/dpdk-19.11/0xFFFFF: No such file or directory.
(gdb)