Performance of 4.x vs 5.x (Re: Lifetime of FreeBSD branches)

[Krzysztof Kowalik]

Krzysztof Kowalik [kkowalik at uci.agh.edu.pl] wrote:
> [...] 
> cvsup-ing current 6.0-CURRENT right now, to check the giantless VFS once
> again. It will probably take an hour to get it up and running.

Unfortunately, 6.0-CURRENT didn't help at all.

FreeBSD 6.0-CURRENT #0: Wed May 25 13:24:30 CEST 2005
[...]
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Athlon(TM) XP 2000+ (1668.71-MHz 686-class CPU)
  Origin = "AuthenticAMD"  Id = 0x662  Stepping = 2
  Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
  AMD Features=0xc0400000<AMIE,DSP,3DNow!>
real memory  = 1073725440 (1023 MB)
avail memory = 1041891328 (993 MB)
ACPI APIC Table: <ASUS   A7V333  >
[...]
pcm0: <CMedia CMI8738> port 0xd800-0xd8ff at device 5.0 on pci0
[...]
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model IntelliMouse, device ID 3
[...]
atapci0: <Promise PDC20276 UDMA133 controller> port
0xd400-0xd407,0xd000-0xd003,0xb800-0xb807,0xb400-0xb403,0xb000-0xb00f
mem 0xe5800000-0xe5803fff irq 19 at device 6.0 on pci0
ata2: <ATA channel 0> on atapci0
ata3: <ATA channel 1> on atapci0
atapci1: <VIA 8233A UDMA133 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x9800-0x980f at device 17.1 on pci0
ata0: <ATA channel 0> on atapci1
ata1: <ATA channel 1> on atapci1
[...]
ad0: 38166MB <WDC WD400AB-32CMB0 05.04E05> at ata0-master UDMA100
[...]

# vmstat -i
interrupt                          total       rate
irq1: atkbd0                         704          2
irq3: sio1                             1          0
irq4: sio0                             1          0
irq6: fdc0                            10          0
irq12: psm0                         7143         24
irq13: npx0                            1          0
irq14: ata0                        46427        160
irq15: ata1                           67          0
irq16: fxp0                          284          0
irq17: pcm0                         4414         15
lapic0: timer                     575578       1991
Total                             634630       2195

# sysctl -a|grep mpsafe
debug.mpsafevfs: 1
debug.mpsafenet: 1
debug.mpsafevm: 1

The issues still exist.

-- 
Krzysztof Kowalik               |  () ASCII Ribbon Campaign
Computer Center, AGH UST        |  /\ Support plain text e-mail