FreeBSD vs. P4 HT

Fórumok

Adott egy freebsd 6.1 es egy P4 HTT-vel.
A gond az hogy az osszes prg ecsak a 0-as "cpu" fut.

dmesg:

Copyright (c) 1992-2006 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD 6.1-RELEASE #0: Tue Aug 22 16:01:40 UTC 2006
root@FreeBSD:/usr/obj/usr/src/sys/SMP
module_register: module uhub/ulpt already exists!
Module uhub/ulpt failed to register: 17
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Pentium(R) 4 CPU 3.00GHz (3150.01-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0xf29 Stepping = 9
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,
CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Features2=0x4400<CNTX-ID,<b14>>
Logical CPUs per core: 2
real memory = 536018944 (511 MB)
avail memory = 514969600 (491 MB)
ACPI APIC Table: <A M I OEMAPIC >
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 1
ioapic0 <Version 2.0> irqs 0-23 on motherboard
kbd1 at kbdmux0
acpi0: <A M I OEMXSDT> on motherboard
acpi0: Power Button (fixed)
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
agp0: <Intel 82875P host to AGP bridge> mem 0xf0000000-0xf7ffffff at device 0.0 on pci0
pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pci1: <display, VGA> at device 0.0 (no driver attached)
pci1: <display> at device 0.1 (no driver attached)
uhci0: <Intel 82801EB (ICH5) USB controller USB-A> port 0xeec0-0xeedf irq 16 at device 29.0 on pci0
uhci0: [GIANT-LOCKED]
usb0: <Intel 82801EB (ICH5) USB controller USB-A> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1: <Intel 82801EB (ICH5) USB controller USB-B> port 0xef00-0xef1f irq 19 at device 29.1 on pci0
uhci1: [GIANT-LOCKED]
usb1: <Intel 82801EB (ICH5) USB controller USB-B> on uhci1
usb1: USB revision 1.0
uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhci2: <Intel 82801EB (ICH5) USB controller USB-C> port 0xef20-0xef3f irq 18 at device 29.2 on pci0
uhci2: [GIANT-LOCKED]
usb2: <Intel 82801EB (ICH5) USB controller USB-C> on uhci2
usb2: USB revision 1.0
uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
uhci3: <Intel 82801EB (ICH5) USB controller USB-D> port 0xef40-0xef5f irq 16 at device 29.3 on pci0
uhci3: [GIANT-LOCKED]
usb3: <Intel 82801EB (ICH5) USB controller USB-D> on uhci3
usb3: USB revision 1.0
uhub3: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub3: 2 ports with 2 removable, self powered
ehci0: <Intel 82801EB/R (ICH5) USB 2.0 controller> mem 0xfebff800-0xfebffbff irq 23 at device 29.7 on pci0
ehci0: [GIANT-LOCKED]
usb4: EHCI version 1.0
usb4: companion controllers, 2 ports each: usb0 usb1 usb2 usb3
usb4: <Intel 82801EB/R (ICH5) USB 2.0 controller> on ehci0
usb4: USB revision 2.0
uhub4: Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub4: 8 ports with 8 removable, self powered
pcib2: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci2: <ACPI PCI bus> on pcib2
skc0: <3Com 3C940 Gigabit Ethernet> port 0xd800-0xd8ff mem 0xfeafc000-0xfeafffff irq 22 at device 5.0 on pci2
skc0: 3Com Gigabit LOM (3C940) rev. (0x1)
sk0: <Marvell Semiconductor, Inc. Yukon> on skc0
sk0: Ethernet address: 00:0e:a6:88:6f:05
miibus0: <MII bus> on sk0
e1000phy0: <Marvell 88E1000 Gigabit PHY> on miibus0
e1000phy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX-FDX, auto
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH5 UDMA100 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xfc00-0xfc0f at device 31.1 on pci0
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
atapci1: <Intel ICH5 SATA150 controller> port 0xef88-0xef8f,0xef84-0xef87,0xef68-0xef6f,0xef80-0xef83,0xee60-0xee6f irq 18 at device 31.2 on pci0
ata2: <ATA channel 0> on atapci1
ata3: <ATA channel 1> on atapci1
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
pcm0: <Intel ICH5 (82801EB)> port 0xe800-0xe8ff,0xee80-0xeebf mem 0xfebff400-0xfebff5ff,0xfebff000-0xfebff0ff irq 17 at device 31.5 on pci0
pcm0: <Analog Devices AD1985 AC97 Codec>
acpi_button0: <Power Button> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
pmtimer0 on isa0
orm0: <ISA Option ROM> at iomem 0xc0000-0xccfff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0: configured irq 4 not in bitmap of probed irqs 0
sio0: port may not be enabled
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 8250 or not responding
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
ums0: vendor 0x05e3 USB Mouse, rev 1.00/2.42, addr 2, iclass 3/1
ums0: 5 buttons and Z dir.
Timecounters tick every 1.000 msec
ipfw2 (+ipv6) initialized, divert loadable, rule-based forwarding disabled, default to deny, logging disabled
acd0: DVDR <HL-DT-ST DVDRAM GSA-4163B/A103> at ata1-master UDMA33
ad6: 114498MB <SAMSUNG SP1213C SV100-27> at ata3-master SATA150
SMP: AP CPU #1 Launched!
Trying to mount root from ufs:/dev/ad6s1a
IP Filter: v4.1.8 initialized. Default = pass all, Logging = enabled
drm0: <ATI Radeon AP 9600> port 0xc000-0xc0ff mem 0xd0000000-0xdfffffff,0xfe9f0000-0xfe9fffff irq 16 at device 0.0 on pci1
info: [drm] AGP at 0xf0000000 128MB
info: [drm] Initialized radeon 1.19.0 20050911
info: [drm] Loading R300 Microcode
uhub5: TSE Inc. USB Embedded Hub, class 9/0, rev 2.00/1.00, addr 2
uhub5: single transaction translator
uhub5: 1 port with 0 removable, self powered
umass0: TSE Inc. USB Mass Storage Device, rev 2.00/1.00, addr 3
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <USB 2.0 Flash Drive 1.00> Fixed Direct Access SCSI-0 device
da0: 40.000MB/s transfers
da0: 125MB (256000 512 byte sectors: 64H 32S/T 125C)

Hozzászólások

A HTT alapból ki van kapcsolva. Elég kevés esetben segít, az új processzorokban nincs is. Felejtsd el, jobban jársz. Használj GENERIC kernelt.

Valahol olvastam, hogy a HT-s cuccokon a "secondary" ht szalon csak interruptok mennek fbsd-n. Ez nem tudom mennyire pontos infó, de azt hiszem hogy a cpu affinitás miatt logikus választás. Ha jól tudom hogy 6.0-tól van külön HTT opció a kernelhez.

A dolog amúgy tökeccerű, a HTT akkor jelentős (bármilyen OS-en) ha sok I/O korlátos dolgot csinálasz, mert akkor van a procinak ideje arra hogy foglalkozzon mással a másik szálon. Ilyen esetekben 15-20%-ot dob, egyébként nem túl jelentős szerintem.