FreeBSD_11-系统管理——{Part_4 - 内核参数定制}

时间:2023-03-09 09:21:07
FreeBSD_11-系统管理——{Part_4 - 内核参数定制}

特别提醒:自行定制的内核,必須经过全方位测试无誤后,方能用于生产环境

基于:/usr/src/sys/amd64/conf/GENERIC

cpu        HAMMER
ident TEST_kernel ##makeoptions DEBUG=-g # Build kernel with gdb() debug symbols;若不使用 Dtrace 可注释掉
##makeoptions WITH_CTF= # Run ctfconvert() for DTrace support;若不使用 Dtrace 可注释掉 options IPFIREWALL # enables IPFW
options IPFIREWALL_VERBOSE # enables logging for rules with log keyword
options IPDIVERT # enables NAT
options DUMMYNET # enables DUMMYNET
options TMPFS #tmpfs filesystem
options SC_DISABLE_REBOOT # disable reboot key sequence
device UMS #usb mouse
options ZFS #添加此项可将 zfs 静态編译进内核,不再需要加载 opensolaris.ko 模块 options SCHED_ULE # ULE scheduler
options PREEMPTION # Enable kernel thread preemption
options INET # InterNETworking
options INET6 # IPv6 communications protocols
options IPSEC # IP (v4/v6) security
options TCP_OFFLOAD # TCP offload
options SCTP # Stream Control Transmission Protocol
options FFS # Berkeley Fast Filesystem;若完全使用 ZFS,此项可注释掉
options SOFTUPDATES # Enable FFS soft updates support;若完全使用 ZFS,此项可注释掉
options UFS_ACL # Support for access control lists;ZFS的 ACL 功能需要;OR your must complier the module:acl_posix1e
options UFS_DIRHASH # Improve performance on big directories;若完全使用 ZFS,此项可注释掉
options UFS_GJOURNAL # Enable gjournal-based UFS journaling;若完全使用 ZFS,此项可注释掉
options QUOTA # Enable disk quotas for UFS;若完全使用 ZFS,此项可注释掉
##options MD_ROOT # MD is a potential root device;Memory Disks,虚拟内存磁盘支持
##options NFSCL # Network Filesystem Client
options NFSD # Network Filesystem Server;提供 RPC 功能支持,ZFS 需要;OR your will must complier the module:krpc
##options NFSLOCKD # Network Lock Manager
##options NFS_ROOT # NFS usable as /, requires NFSCL
options MSDOSFS # MSDOS Filesystem;EFI 分区需要
options CD9660 # ISO Filesystem
##options PROCFS # Process filesystem (requires PSEUDOFS);FreeBSD 已不需要 /proc 文件系统
options PSEUDOFS # Pseudo-filesystem framework
options GEOM_PART_GPT # GUID Partition Tables;若完全使用 ZFS,此项可注释掉
##options GEOM_RAID # Soft RAID functionality;若完全使用 ZFS,此项可注释掉
options GEOM_LABEL # Provides labelization;若完全使用 ZFS,此项可注释掉
##options COMPAT_FREEBSD32 # Compatible with i386 binaries
##options COMPAT_FREEBSD4 # Compatible with FreeBSD4
##options COMPAT_FREEBSD5 # Compatible with FreeBSD5
##options COMPAT_FREEBSD6 # Compatible with FreeBSD6
##options COMPAT_FREEBSD7 # Compatible with FreeBSD7
##options COMPAT_FREEBSD9 # Compatible with FreeBSD9
##options COMPAT_FREEBSD10 # Compatible with FreeBSD10
options SCSI_DELAY= # Delay (in ms) before probing SCSI
options KTRACE # ktrace() support
options STACK # stack() support
options SYSVSHM # SYSV-style shared memory
options SYSVMSG # SYSV-style message queues
options SYSVSEM # SYSV-style semaphores
options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
options PRINTF_BUFR_SIZE= # Prevent printf output being interspersed.
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
options HWPMC_HOOKS # Necessary kernel hooks for hwpmc()
options AUDIT # Security event auditing
options CAPABILITY_MODE # Capsicum capability mode
options CAPABILITIES # Capsicum capabilities
##options MAC # TrustedBSD MAC Framework;强制权限控制,类似于 Linux 下的 SELinux
##options KDTRACE_FRAME # Ensure frames are compiled in;若不需要 Dtrace 可注释掉
##options KDTRACE_HOOKS # Kernel DTrace hooks;若不需要 Dtrace 可注释掉
##options DDB_CTF # Kernel ELF linker loads CTF data;若不需要 Dtrace 可注释掉
##options INCLUDE_CONFIG_FILE # Include this file in kernel;将内核配置文件編译进内核,通常不需要
options RACCT # Resource accounting framework
options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable= by default
options RCTL # Resource limits # Debugging support. Always need this:
options KDB # Enable kernel debugger support.
options KDB_TRACE # Print a stack trace for a panic. # Make an SMP-capable kernel by default
options SMP # Symmetric MultiProcessor Kernel
options DEVICE_NUMA # I/O Device Affinity # CPU frequency control
device cpufreq # Bus support.
device acpi
options ACPI_DMAR #IOMMU 硬件支持,如 intel 的 VT-X,提升网卡性能,同时用于給虚拟机直接分配物理硬件
device pci
# options PCI_HP # PCI-Express native HotPlug
##options PCI_IOV # PCI SR-IOV support;一种較新的硬件直接分配物理硬件给虚拟机的实现 # Floppy drives(古老的软盘驱动)
##device fdc # ATA controllers(SATA 主控)
device ahci # AHCI-compatible SATA controllers
##device ata # Legacy ATA/SATA controllers;过时的 IDE 驱动
##device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA
##device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA # SCSI Controllers(针对特定硬件厂商的选项,根据自己的硬件配置选择)
##device ahc # AHA2940 and onboard AIC7xxx devices
##options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
# output. Adds ~128k to driver.
##device ahd # AHA39320/ and onboard AIC79xx devices
##options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
# output. Adds ~215k to driver.
##device esp # AMD Am53C974 (Tekram DC-(T))
##device hptiop # Highpoint RocketRaid 3xxx series
##device isp # Qlogic family
#device ispfw # Firmware for QLogic HBAs- normally a module
##device mpt # LSI-Logic MPT-Fusion
##device mps # LSI-Logic MPT-Fusion
##device mpr # LSI-Logic MPT-Fusion
#device ncr # NCR/Symbios Logic
##device sym # NCR/Symbios Logic (newer chipsets + those of `ncr')
##device trm # Tekram DC395U/UW/F DC315U adapters ##device adv # Advansys SCSI adapters
##device adw # Advansys wide SCSI adapters
##device aic # Adaptec []x SCSI adapters, AIC-[].
##device bt # Buslogic/Mylex MultiMaster SCSI adapters
device isci # Intel C600 SAS controller # ATA/SCSI peripherals(凡是使用硬盘则必須)
device scbus # SCSI bus (required for ATA/SCSI)
device ch # SCSI media changers
device da # Direct Access (disks)
device sa # Sequential Access (tape etc)
##device cd # CD
device pass # Passthrough device (direct ATA/SCSI access)
device ses # Enclosure Services (SES and SAF-TE)
#device ctl # CAM Target Layer # RAID controllers interfaced to the SCSI subsystem(硬 raid 接口驱动)
##device amr # AMI MegaRAID
##device arcmsr # Areca SATA II RAID
##device ciss # Compaq Smart RAID *
##device dpt # DPT Smartcache III, IV - See NOTES for options
##device hptmv # Highpoint RocketRAID 182x
##device hptnr # Highpoint DC7280, R750
##device hptrr # Highpoint RocketRAID 17xx, 22xx, 23xx, 25xx
##device hpt27xx # Highpoint RocketRAID 27xx
##device iir # Intel Integrated RAID
##device ips # IBM (Adaptec) ServeRAID
##device mly # Mylex AcceleRAID/eXtremeRAID
##device twa # 3ware series PATA/SATA RAID
device tws # LSI 3ware SATA+SAS 6Gb/s RAID controller # RAID controllers(硬 raid 控制器)
##device aac # Adaptec FSA RAID
##device aacp # SCSI passthrough for aac (requires CAM)
##device aacraid # Adaptec by PMC RAID
##device ida # Compaq Smart RAID
##device mfi # LSI MegaRAID SAS
##device mlx # Mylex DAC960 family
##device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s
##device pmspcv # PMC-Sierra SAS/SATA Controller driver
#XXX pointer/int warnings
#device pst # Promise Supertrak SX6000
##device twe # 3ware ATA RAID # NVM Express (NVMe) support(新型 NVMe pcie 固态硬盘支持)
##device nvme # base NVMe driver
##device nvd # expose NVMe namespaces as disks, depends on nvme # atkbdc0 controls both the keyboard and the PS/ mouse
device atkbdc # AT keyboard controller
device atkbd # AT keyboard
device psm # PS/ mouse device kbdmux # keyboard multiplexer device vga # VGA video card driver
options VESA # Add support for VESA BIOS Extensions (VBE) device splash # Splash screen and screen saver support # syscons is the default console driver, resembling an SCO console
device sc
options SC_PIXEL_MODE # add support for the raster text mode # vt is the new video console driver
device vt
device vt_vga
device vt_efifb device agp # support several AGP chipsets # PCCARD (PCMCIA) support
# PCMCIA and cardbus bridge support
##device cbb # cardbus (yenta) bridge
##device pccard # PC Card (-bit) bus
##device cardbus # CardBus (-bit) bus # Serial (COM) ports
##device uart # Generic UART driver # Parallel port(并口驱动,主要用于打印等设备)
##device ppc
##device ppbus # Parallel port bus (required)
##device lpt # Printer
##device ppi # Parallel port interface device
#device vpo # Requires scbus and da ##device puc # Multi I/O cards and multi-channel UARTs # PCI Ethernet NICs.
##device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE
##device de # DEC/Intel DC21x4x (``Tulip'')
##device em # Intel PRO/ Gigabit Ethernet Family
device igb # Intel PRO/ PCIE Server Gigabit Family
##device ix # Intel PRO/10GbE PCIE PF Ethernet
##device ixv # Intel PRO/10GbE PCIE VF Ethernet
##device ixl # Intel XL710 40Gbe PCIE Ethernet
##device ixlv # Intel XL710 40Gbe VF PCIE Ethernet
##device le # AMD Am7900 LANCE and Am79C9xx PCnet
##device ti # Alteon Networks Tigon I/II gigabit Ethernet
##device txp # 3Com 3cR990 (``Typhoon'')
##device vx # 3Com 3c590, 3c595 (``Vortex'') # PCI Ethernet NICs that use the common MII bus controller code.
# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
device miibus # MII bus support;使用有线网卡则必須开启
##device ae # Attansic/Atheros L2 FastEthernet
##device age # Attansic/Atheros L1 Gigabit Ethernet
device alc # Atheros AR8131/AR8132 Ethernet
##device ale # Atheros AR8121/AR8113/AR8114 Ethernet
##device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet
##device bfe # Broadcom BCM440x / Ethernet
##device bge # Broadcom BCM570xx Gigabit Ethernet
##device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn
##device dc # DEC/Intel and various workalikes
##device et # Agere ET1310 //Gigabit Ethernet
##device fxp # Intel EtherExpress PRO/100B (, )
##device gem # Sun GEM/Sun ERI/Apple GMAC
##device hme # Sun HME (Happy Meal Ethernet)
##device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet
##device lge # Level LXT1001 gigabit Ethernet
##device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet
##device nfe # nVidia nForce MCP on-board Ethernet
##device nge # NatSemi DP83820 gigabit Ethernet
##device pcn # AMD Am79C97x PCI / (precedence over 'le')
device re # RealTek 8139C+//8169S/8110S
##device rl # RealTek /
##device sf # Adaptec AIC- (``Starfire'')
##device sge # Silicon Integrated Systems SiS190/
##device sis # Silicon Integrated Systems SiS /SiS
##device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet
##device ste # Sundance ST201 (D-Link DFE-550TX)
##device stge # Sundance/Tamarack TC9021 gigabit Ethernet
##device tl # Texas Instruments ThunderLAN
##device tx # SMC EtherPower II (83c170 ``EPIC'')
##device vge # VIA VT612x gigabit Ethernet
##device vr # VIA Rhine, Rhine II
##device wb # Winbond W89C840F
##device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') # Wireless NIC cards(无线网卡驱动)
##device wlan # 802.11 support
##options IEEE80211_DEBUG # enable debug msgs
##options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's
##options IEEE80211_SUPPORT_MESH # enable .11s draft support
##device wlan_wep # 802.11 WEP support
##device wlan_ccmp # 802.11 CCMP support
##device wlan_tkip # 802.11 TKIP support
##device wlan_amrr # AMRR transmit rate control algorithm
##device an # Aironet / 802.11 wireless NICs.
##device ath # Atheros NICs
##device ath_pci # Atheros pci/cardbus glue
##device ath_hal # pci/cardbus chip support
##options AH_SUPPORT_AR5416 # enable AR5416 tx/rx descriptors
##options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation
##options ATH_ENABLE_11N # Enable .11n support for AR5416 and later
##device ath_rate_sample # SampleRate tx rate control for ath
#device bwi # Broadcom BCM430x/BCM431x wireless NICs.
#device bwn # Broadcom BCM43xx wireless NICs.
##device ipw # Intel wireless NICs.
##device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs.
##device iwn # Intel /// wireless NICs.
##device malo # Marvell Libertas wireless NICs.
##device mwl # Marvell 88W8363 .11n wireless NICs.
##device ral # Ralink Technology RT2500 wireless NICs.
##device wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs.
##device wpi # Intel 3945ABG wireless NICs. # Pseudo devices.
device loop # Network loopback
device random # Entropy device
device padlock_rng # VIA Padlock RNG
device rdrand_rng # Intel Bull Mountain RNG
device ether # Ethernet support
device vlan # .1Q VLAN support
device tun # Packet tunnel.
##device md # Memory "disks";虚拟内存盘
device gif # IPv6 and IPv4 tunneling
device firmware # firmware assist module # The `bpf' device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
# Note that 'bpf' is required for DHCP.
device bpf # Berkeley packet filter # USB support
##options USB_DEBUG # enable debug msgs
device uhci # UHCI PCI->USB interface
device ohci # OHCI PCI->USB interface
device ehci # EHCI PCI->USB interface (USB 2.0)
device xhci # XHCI PCI->USB interface (USB 3.0)
device usb # USB Bus (required)
device ukbd # Keyboard
device umass # Disks/Mass storage - Requires scbus and da # Sound support
device sound # Generic sound driver (required);桌面系统需要声音
##device snd_cmi # CMedia CMI8338/CMI8738
##device snd_csa # Crystal Semiconductor CS461x/428x
##device snd_emu10kx # Creative SoundBlaster Live! and Audigy
##device snd_es137x # Ensoniq AudioPCI ES137x
device snd_hda # Intel High Definition Audio
##device snd_ich # Intel, NVidia and other ICH AC'97 Audio
##device snd_via8233 # VIA VT8233x Audio # MMC/SD
##device mmc # MMC/SD bus
##device mmcsd # MMC/SD memory card
##device sdhci # Generic PCI SD Host Controller # VirtIO support(Qemu/kvm 虚拟机支持,Guest 机需要,Host 机不需要)
##device virtio # Generic VirtIO bus (required)
##device virtio_pci # VirtIO PCI device
##device vtnet # VirtIO Ethernet device
##device virtio_blk # VirtIO Block device
##device virtio_scsi # VirtIO SCSI device
##device virtio_balloon # VirtIO Memory Balloon device # HyperV drivers and enhancement support(微软 HyperV 虚拟机技持)
##device hyperv # HyperV drivers # Xen HVM Guest Optimizations
# NOTE: XENHVM depends on xenpci. They must be added or removed together.
##options XENHVM # Xen HVM kernel infrastructure
##device xenpci # Xen HVM Hypervisor services driver # VMware support
##device vmx # VMware VMXNET3 Ethernet # Netmap provides direct access to TX/RX rings on supported NICs
device netmap # netmap() support # The crypto framework is required by IPSEC
device crypto # Required by IPSEC

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