FreeBSD:编译内核

[ 2006/03/14 11:52 | by gOxiA ]
| |

      FreeBSD安装后,内核中包含很多在实际环境中用不到的项目,所以可以重新修改编译内核来达到优化的效果。下面就是我的具体操作:

# cd /sys/i386/conf

# cp GENERIC MAYTIDE (注释:MAYTIDE是我为这个新内核起的名字,你也可以根据自己的喜好命名。)

# ee MAYTIDE

我重新修改过的内核文件内容如下:

#
# GENERIC -- Generic kernel configuration file for FreeBSD/i386
#
# For more information on this file, please read the handbook section on
# Kernel Configuration Files:
#
#   
http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
#
# The handbook is also available locally in /usr/share/doc/handbook
# if you've installed the doc distribution, otherwise always see the
# FreeBSD World Wide Web server (
http://www.FreeBSD.org/) for the
# latest information.
#
# An exhaustive list of options and more detailed explanations of the
# device lines is also present in the ../../conf/NOTES and NOTES files.
# If you are in doubt as to the purpose or necessity of a line, check first
# in NOTES.
#
# $FreeBSD: src/sys/i386/conf/GENERIC,v 1.429.2.3.2.1 2005/10/28 19:22:41 jhb Exp $

machine         i386
#cpu             I486_CPU
#cpu             I586_CPU
cpu             I686_CPU
ident           MAYTIDE

# To statically compile in device wiring instead of /boot/device.hints
#hints          "GENERIC.hints"         # Default places to look for devices.

makeoptions     DEBUG=-g                # Build kernel with gdb(1) debug symbols

#options        SCHED_ULE               # ULE scheduler
options         SCHED_4BSD              # 4BSD scheduler
options         PREEMPTION              # Enable kernel thread preemption
options         INET                    # InterNETworking
options         INET6                   # IPv6 communications protocols
options         FFS                     # Berkeley Fast Filesystem
options         SOFTUPDATES             # Enable FFS soft updates support
options         UFS_ACL                 # Support for access control lists
options         UFS_DIRHASH             # Improve performance on big directories
options         MD_ROOT                 # MD is a potential root device
#options         NFSCLIENT               # Network Filesystem Client
#options         NFSSERVER               # Network Filesystem Server
#options         NFS_ROOT                # NFS usable as /, requires NFSCLIENT
#options         MSDOSFS                 # MSDOS Filesystem
options         CD9660                  # ISO 9660 Filesystem
options         PROCFS                  # Process filesystem (requires PSEUDOFS)
options         PSEUDOFS                # Pseudo-filesystem framework
options         GEOM_GPT                # GUID Partition Tables.
options         COMPAT_43               # Compatible with BSD 4.3 [KEEP THIS!]
options         COMPAT_FREEBSD4         # Compatible with FreeBSD4
options         COMPAT_FREEBSD5         # Compatible with FreeBSD5
options         SCSI_DELAY=5000         # Delay (in ms) before probing SCSI
options         KTRACE                  # ktrace(1) 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         KBD_INSTALL_CDEV        # install a CDEV entry in /dev
#options         AHC_REG_PRETTY_PRINT    # Print register bitfields in debug
                                        # output.  Adds ~128k to driver.
#options         AHD_REG_PRETTY_PRINT    # Print register bitfields in debug
                                        # output.  Adds ~215k to driver.
options         ADAPTIVE_GIANT          # Giant mutex is adaptive.

device          apic                    # I/O APIC

# Bus support.
#device          eisa
device          pci

# Floppy drives
#device          fdc

# ATA and ATAPI devices
device          ata
device          atadisk         # ATA disk drives
#device          ataraid         # ATA RAID drives
device          atapicd         # ATAPI CDROM drives
#device          atapifd         # ATAPI floppy drives
device          atapist         # ATAPI tape drives
options         ATA_STATIC_ID   # Static device numbering

# SCSI Controllers
#device          ahb             # EISA AHA1742 family
#device          ahc             # AHA2940 and onboard AIC7xxx devices
#device          ahd             # AHA39320/29320 and onboard AIC79xx devices
#device          amd             # AMD 53C974 (Tekram DC-390(T))
#device          isp             # Qlogic family
#device         ispfw           # Firmware for QLogic HBAs- normally a module
#device          mpt             # 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          aha             # Adaptec 154x SCSI adapters
#device          aic             # Adaptec 15[012]x SCSI adapters, AIC-6[23]60.
#device          bt              # Buslogic/Mylex MultiMaster SCSI adapters

#device          ncv             # NCR 53C500
#device          nsp             # Workbit Ninja SCSI-3
#device          stg             # TMC 18C30/18C50

# SCSI peripherals
#device          scbus           # SCSI bus (required for 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 SCSI access)
#device          ses             # SCSI Environmental Services (and SAF-TE)

# RAID controllers interfaced to the SCSI subsystem
#device          amr             # AMI MegaRAID
#device          arcmsr          # Areca SATA II RAID
#device          asr             # DPT SmartRAID V, VI and Adaptec SCSI RAID
#device          ciss            # Compaq Smart RAID 5*
#device          dpt             # DPT Smartcache III, IV - See NOTES for options
#device          hptmv           # Highpoint RocketRAID 182x
#device          iir             # Intel Integrated RAID
#device          ips             # IBM (Adaptec) ServeRAID
#device          mly             # Mylex AcceleRAID/eXtremeRAID
#device          twa             # 3ware 9000 series PATA/SATA RAID

# RAID controllers
#device          aac             # Adaptec FSA RAID
#device          aacp            # SCSI passthrough for aac (requires CAM)
#device          ida             # Compaq Smart RAID
#device          mlx             # Mylex DAC960 family
#device          pst             # Promise Supertrak SX6000
#device          twe             # 3ware ATA RAID

# atkbdc0 controls both the keyboard and the PS/2 mouse
device          atkbdc          # AT keyboard controller
device          atkbd           # AT keyboard
device          psm             # PS/2 mouse

device          vga             # VGA video card driver

device          splash          # Splash screen and screen saver support

# syscons is the default console driver, resembling an SCO console
device          sc

# Enable this for the pcvt (VT220 compatible) console driver
#device         vt
#options        XSERVER         # support for X server on a vt console
#options        FAT_CURSOR      # start with block cursor

device          agp             # support several AGP chipsets

# Power management support (see NOTES for more options)
#device         apm
# Add suspend/resume support for the i8254.
device          pmtimer

# PCCARD (PCMCIA) support
# PCMCIA and cardbus bridge support
#device          cbb             # cardbus (yenta) bridge
#device          pccard          # PC Card (16-bit) bus
#device          cardbus         # CardBus (32-bit) bus

# Serial (COM) ports
#device          sio             # 8250, 16[45]50 based serial ports

# Parallel port
#device          ppc
#device          ppbus           # Parallel port bus (required)
#device          lpt             # Printer
#device          plip            # TCP/IP over parallel
#device          ppi             # Parallel port interface device
#device         vpo             # Requires scbus and da

# If you've got a "dumb" serial or parallel PCI card that is
# supported by the puc(4) glue driver, uncomment the following
# line to enable it (connects to the sio and/or ppc drivers):
#device         puc

# PCI Ethernet NICs.
device          de              # DEC/Intel DC21x4x (``Tulip'')
device          em              # Intel PRO/1000 adapter Gigabit Ethernet Card
device          ixgb            # Intel PRO/10GbE Ethernet Card
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
device          bfe             # Broadcom BCM440x 10/100 Ethernet
device          bge             # Broadcom BCM570xx Gigabit Ethernet
device          dc              # DEC/Intel 21143 and various workalikes
device          fxp             # Intel EtherExpress PRO/100B (82557, 82558)
device          lge             # Level 1 LXT1001 gigabit Ethernet
device          nge             # NatSemi DP83820 gigabit Ethernet
device          nve             # nVidia nForce MCP on-board Ethernet Networking
device          pcn             # AMD Am79C97x PCI 10/100(precedence over 'lnc')
device          re              # RealTek 8139C+/8169/8169S/8110S
device          rl              # RealTek 8129/8139
device          sf              # Adaptec AIC-6915 (``Starfire'')
device          sis             # Silicon Integrated Systems SiS 900/SiS 7016
device          sk              # SysKonnect SK-984x & SK-982x gigabit Ethernet
device          ste             # Sundance ST201 (D-Link DFE-550TX)
device          ti              # Alteon Networks Tigon I/II 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'')

# ISA Ethernet NICs.  pccard NICs included.
device          cs              # Crystal Semiconductor CS89x0 NIC
# 'device ed' requires 'device miibus'
device          ed              # NE[12]000, SMC Ultra, 3c503, DS8390 cards
device          ex              # Intel EtherExpress Pro/10 and Pro/10+
device          ep              # Etherlink III based cards
device          fe              # Fujitsu MB8696x based cards
device          ie              # EtherExpress 8/16, 3C507, StarLAN 10 etc.
device          lnc             # NE2100, NE32-VL Lance Ethernet cards
device          sn              # SMC's 9000 series of Ethernet chips
device          xe              # Xircom pccard Ethernet

# ISA devices that use the old ISA shims
#device         le

# Wireless NIC cards
#device          wlan            # 802.11 support
#device          an              # Aironet 4500/4800 802.11 wireless NICs.
#device          awi             # BayStack 660 and others
#device          ral             # Ralink Technology RT2500 wireless NICs.
#device          wi              # WaveLAN/Intersil/Symbol 802.11 wireless NICs.
#device         wl              # Older non 802.11 Wavelan wireless NIC.

# Pseudo devices.
device          loop            # Network loopback
device          random          # Entropy device
device          ether           # Ethernet support
device          sl              # Kernel SLIP
device          ppp             # Kernel PPP
device          tun             # Packet tunnel.
device          pty             # Pseudo-ttys (telnet etc)
device          md              # Memory "disks"
device          gif             # IPv6 and IPv4 tunneling
device          faith           # IPv6-to-IPv4 relaying (translation)

# 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
#device          uhci            # UHCI PCI->USB interface
#device          ohci            # OHCI PCI->USB interface
#device          ehci            # EHCI PCI->USB interface (USB 2.0)
#device          usb             # USB Bus (required)
#device         udbp            # USB Double Bulk Pipe devices
#device          ugen            # Generic
#device          uhid            # "Human Interface Devices"
#device          ukbd            # Keyboard
#device          ulpt            # Printer
#device          umass           # Disks/Mass storage - Requires scbus and da
#device          ums             # Mouse
#device          ural            # Ralink Technology RT2500USB wireless NICs
#device          urio            # Diamond Rio 500 MP3 player
#device          uscanner        # Scanners
# USB Ethernet, requires miibus
#device          aue             # ADMtek USB Ethernet
#device          axe             # ASIX Electronics USB Ethernet
#device          cdce            # Generic USB over Ethernet
#device          cue             # CATC USB Ethernet
#device          kue             # Kawasaki LSI USB Ethernet
#device          rue             # RealTek RTL8150 USB Ethernet

# FireWire support
#device          firewire        # FireWire bus code
#device          sbp             # SCSI over FireWire (Requires scbus and da)
#device          fwe             # Ethernet over FireWire (non-standard!)

      编辑好内核后就可以编译安装这个新内核。

# /usr/sbin/config MAYTIDE

# cd ../compile/MAYTIDE

# make depend

# make

# make install

      编译安装完成后重新启动,就会发现系统使用的是新的内核了。

      我在虚拟机种编译感觉CPU占用率特别高,整个过程用了近1个小时。

开源系统 | 评论(1) | 引用(0) | 阅读(5683)
gOxiA
2006/03/17 12:02
今天从网上看到更新stable源代码后的编译安装,不知道和我这个有什么不同,郁闷,xNIX头大。先记录到这里吧!
在执行完cvsup后:
# cd  /usr/src
# make buildworld
# make installkernel
# mergemaster -p
# make installworld
# mergemaster -i
# reboot
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