linux开发调试环境下的内核配置

针对常用的linux开发环境，汇总了debug所需的内核配置

kgdb:

#CONFIG_STRICT_KERNEL_RWX is not set

#CONFIG_STRICT_MODULE_RWX is not set

CONFIG_FRAME_POINTER=y

CONFIG_KGDB=y

CONFIG_KGDB_SERIAL_CONSOLE=y

CONFIG_KGDB_KDB=y

CONFIG_DEBUG_INFO=y

CONFIG_KDB_KEYBOARD=y

# CONFIG_RANDOMIZE_BASE is not set

模块调试，可以打开如下选项：

CONFIG_DEBUG_KERNEL


CONFIG_DEBUG_SLAB

CONFIG_DEBUG_PAGEALLOC

CONFIG_DEBUG_SPINLOCK

CONFIG_DEBUG_SPINLOCK_SLEEP

CONFIG_INIT_DEBUG

CONFIG_DEBUG_INFO

CONFIG_MAGIC_SYSRQ


CONFIG_DEBUG_STACKOVERFLOW

CONFIG_DEBUG_STACK_USAGE

CONFIG_KALLSYMS

CONFIG_IKCONFIG

CONFIG_IKCONFIG_PROC

CONFIG_ACPI_DEBUG

CONFIG_DEBUG_DRIVER

CONFIG_SCSI_CONSTANTS

CONFIG_INPUT_EVBUG

CONFIG_PROFILING

ebpf，打开如下选项：

CONFIG_BPF=y

CONFIG_BPF_SYSCALL=y

# [optional, for tc filters]

CONFIG_NET_CLS_BPF=m

# [optional, for tc actions]

CONFIG_NET_ACT_BPF=m

CONFIG_BPF_JIT=y

CONFIG_HAVE_BPF_JIT=y

# [optional, for kprobes]

CONFIG_BPF_EVENTS=y

There are a few optional kernel flags needed for running bcc networking examples on vanilla kernel:

 

CONFIG_NET_SCH_SFQ=m

CONFIG_NET_ACT_POLICE=m

CONFIG_NET_ACT_GACT=m

CONFIG_DUMMY=m

CONFIG_VXLAN=m