FreeBSD does not use all cpus on top show.

Huang wen hui huang at gddsn.org.cn
Wed Sep 13 21:37:00 PDT 2006


hi,
I have HP Server install FreeBSD 6.1R/amd64 with 2CPUs ,2 logical CPUs
per core.
On top show, It should show 4 cpus, but I never see 1 and 3 cpu on show.
Does anything I miss?

--hwh

# 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: Sun May 7 04:15:57 UTC 2006
root at bloom.cse.buffalo.edu:/usr/obj/usr/src/sys/SMP
ACPI APIC Table: <HP 00000083>
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Xeon(TM) CPU 3.20GHz (3200.13-MHz K8-class CPU)
Origin = "GenuineIntel" Id = 0xf4a Stepping = 10
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=0x641d<SSE3,RSVD2,MON,DS_CPL,CNTX-ID,CX16,<b14>>
AMD Features=0x20000800<SYSCALL,LM>
AMD Features2=0x1<LAHF>
Logical CPUs per core: 2
real memory = 6912208896 (6591 MB)
avail memory = 6150582272 (5865 MB)
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 1
cpu2 (AP): APIC ID: 6
cpu3 (AP): APIC ID: 7
ioapic0 <Version 2.0> irqs 0-23 on motherboard
ioapic1 <Version 2.0> irqs 24-47 on motherboard
ioapic2 <Version 2.0> irqs 48-71 on motherboard
ioapic3 <Version 2.0> irqs 72-95 on motherboard
ioapic4 <Version 2.0> irqs 96-119 on motherboard
kbd1 at kbdmux0
acpi0: <HP P51> on motherboard
acpi0: Power Button (fixed)
Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x908-0x90b on acpi0
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
cpu2: <ACPI CPU> on acpi0
cpu3: <ACPI CPU> on acpi0
pcib0: <ACPI Host-PCI bridge> on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> at device 2.0 on pci0
pci2: <ACPI PCI bus> on pcib1
pcib2: <ACPI PCI-PCI bridge> at device 0.0 on pci2
pci3: <ACPI PCI bus> on pcib2
bge0: <Broadcom BCM5704C Dual Gigabit Ethernet, ASIC rev. 0x2100> mem
0xfdef0000-0xfdefffff irq 25 at device 1.0 on pci3
miibus0: <MII bus> on bge0
brgphy0: <BCM5704 10/100/1000baseTX PHY> on miibus0
brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX,
1000baseTX-FDX, auto
bge0: Ethernet address: 00:18:71:74:2a:bf
bge1: <Broadcom BCM5704C Dual Gigabit Ethernet, ASIC rev. 0x2100> mem
0xfdee0000-0xfdeeffff irq 26 at device 1.1 on pci3
miibus1: <MII bus> on bge1
brgphy1: <BCM5704 10/100/1000baseTX PHY> on miibus1
brgphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX,
1000baseTX-FDX, auto
bge1: Ethernet address: 00:18:71:74:2a:be
pcib3: <ACPI PCI-PCI bridge> at device 0.2 on pci2
pci4: <ACPI PCI bus> on pcib3
ciss0: <HP Smart Array 6i> port 0x4000-0x40ff mem
0xfdff0000-0xfdff1fff,0xfdf80000-0xfdfbffff irq 51 at device 3.0 on pci4
ciss0: [GIANT-LOCKED]
pcib4: <ACPI PCI-PCI bridge> at device 6.0 on pci0
pci5: <ACPI PCI bus> on pcib4
pcib5: <ACPI PCI-PCI bridge> at device 0.0 on pci5
pci6: <ACPI PCI bus> on pcib5
pcib6: <ACPI PCI-PCI bridge> at device 0.2 on pci5
pci10: <ACPI PCI bus> on pcib6
uhci0: <Intel 82801EB (ICH5) USB controller USB-A> port 0x2000-0x201f
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 0x2020-0x203f
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 0x2040-0x205f
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 0x2060-0x207f
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
0xfbef0000-0xfbef03ff 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
pcib7: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci1: <ACPI PCI bus> on pcib7
pci1: <display, VGA> at device 3.0 (no driver attached)
pci1: <base peripheral> at device 4.0 (no driver attached)
pci1: <base peripheral> at device 4.2 (no driver attached)
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH5 UDMA100 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x500-0x50f at device 31.1 on pci0
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
acpi_tz0: <Thermal Zone> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model Generic PS/2 mouse, device ID 0
sio0: <Standard PC COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
sio0: type 16550A
fdc0: <floppy drive controller (FDE)> port 0x3f2-0x3f5 irq 6 drq 2 on acpi0
fdc0: [FAST]
orm0: <ISA Option ROMs> at iomem
0xc0000-0xc7fff,0xc8000-0xcbfff,0xee000-0xeffff on isa0
ppc0: cannot reserve I/O port range
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounters tick every 1.000 msec
module_register_init: MOD_LOAD (amr_linux, 0xffffffff8062a040, 0) error 6
acd0: CDROM <HL-DT-ST GCR-8240N/2.03> at ata0-master PIO4
SMP: AP CPU #1 Launched!
SMP: AP CPU #3 Launched!
SMP: AP CPU #2 Launched!
da0 at ciss0 bus 0 target 0 lun 0
da0: <COMPAQ RAID 5 VOLUME OK> Fixed Direct Access SCSI-0 device
da0: 135.168MB/s transfers
da0: 700049MB (1433700592 512 byte sectors: 255H 63S/T 65535C)
Trying to mount root from ufs:/dev/da0s1a
bge0: link state changed to DOWN
bge0: link state changed to UP
ciss0: *** Parity/consistency initialization complete, logical drive 0
ciss0: logical drive 0 () completed consistency initialisation


#top
last pid: 70381; load averages: 0.45, 0.48, 0.46 up 6+16:30:06 12:35:43
91 processes: 2 running, 89 sleeping
CPU states: 12.2% user, 0.0% nice, 0.0% system, 0.2% interrupt, 87.6% idle
Mem: 1177M Active, 3993M Inact, 269M Wired, 265M Cache, 214M Buf, 19M Free
Swap: 4096M Total, 4096M Free

PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
51047 root 6 20 0 748M 198M kserel 0 704:28 0.98% java
4887 root 9 20 0 359M 84468K kserel 0 134:36 0.00% java
97183 mysql 14 20 0 1175M 729M kserel 0 55:03 0.00% mysqld
4883 root 11 20 0 383M 88096K kserel 0 27:03 0.00% java
34821 root 5 20 0 1240M 43328K kserel 0 9:03 0.00% java
4938 root 1 96 0 7612K 1808K select 0 0:21 0.00% ntpd
2353 root 1 96 0 9356K 2644K select 0 0:10 0.00% sendmail
56321 root 1 96 0 28680K 5356K select 0 0:03 0.00% xterm
56318 root 1 96 0 28688K 5364K select 0 0:03 0.00% xterm
56322 root 1 96 0 28672K 5284K select 0 0:03 0.00% xterm
56315 root 1 96 0 51940K 10428K select 0 0:02 0.00% Xorg
2363 root 1 8 0 3560K 1064K nanslp 0 0:01 0.00% cron
2197 root 1 96 0 3540K 996K select 0 0:01 0.00% syslogd
2385 root 1 4 0 3504K 804K select 0 0:01 0.00% moused
2294 root 1 96 0 2420K 836K select 0 0:01 0.00% usbd
56320 root 1 96 0 27288K 5016K select 2 0:00 0.00% xclock
34284 root 1 20 0 7420K 2968K pause 0 0:00 0.00% csh
2357 smmsp 1 20 0 9224K 2368K pause 0 0:00 0.00% sendmail
70316 hwh 1 96 0 29368K 3380K select 2 0:00 0.00% sshd
2347 root 1 96 0 18428K 2256K select 0 0:00 0.00% sshd
56319 root 1 4 0 16056K 2904K select 0 0:00 0.00% twm
2145 root 1 4 0 620K 340K select 0 0:00 0.00% devd
70313 root 1 4 0 29392K 3356K sbwait 2 0:00 0.00% sshd
59068 root 1 4 0 29392K 3348K sbwait 0 0:00 0.00% sshd
70334 root 1 20 0 7352K 3008K pause 2 0:00 0.00% csh
56323 root 1 5 0 7092K 2900K ttyin 0 0:00 0.00% csh
59079 root 1 5 0 13304K 3308K ttyin 0 0:00 0.00% mysql
70317 hwh 1 20 0 7096K 2956K pause 2 0:00 0.00% csh
59071 hwh 1 4 0 29368K 3372K select 0 0:00 0.00% sshd
34038 root 1 8 0 17136K 1312K wait 0 0:00 0.00% login
51502 root 1 8 0 17136K 1444K wait 0 0:00 0.00% login
56292 root 1 20 0 7080K 2904K pause 2 0:00 0.00% csh
51547 root 1 5 0 7076K 2892K ttyin 2 0:00 0.00% csh
56324 root 1 5 0 7080K 2860K ttyin 0 0:00 0.00% csh
56325 root 1 5 0 7080K 2860K ttyin 0 0:00 0.00% csh
59072 hwh 1 20 0 7096K 2924K pause 0 0:00 0.00% csh
59076 root 1 20 0 7080K 2888K pause 2 0:00 0.00% csh
97159 mysql 1 8 0 5064K 1212K wait 0 0:00 0.00% sh
59075 hwh 1 8 0 17136K 1420K wait 0 0:00 0.00% su
70333 hwh 1 8 0 17136K 1428K wait 0 0:00 0.00% su
56296 root 1 8 0 5044K 1540K wait 0 0:00 0.00% sh
70381 root 1 96 0 6912K 2076K CPU2 2 0:00 0.00% top
56291 root 1 8 0 17112K 1356K wait 2 0:00 0.00% su
56314 root 1 8 0 4352K 1404K wait 0 0:00 0.00% xinit
50549 root 1 5 0 3504K 916K ttyin 2 0:00 0.00% getty
51509 root 1 5 0 3504K 932K ttyin 0 0:00 0.00% getty




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