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Hi,
Here is the result of the hdparm test on my pc:
Code:
/dev/hda:
Timing cached reads: 728 MB in 2.00 seconds = 363.25 MB/sec
Timing buffered disk reads: 114 MB in 3.01 seconds = 37.88 MB/sec
The system is Slackware 12
I got 800MB/sec for Timing cached reads in previous Slackware 11.0
So how to get that speed?
( Sorry for this long post )
Thanks.
Code:
uname -a
Linux ds 2.6.21.5-smp #2 SMP Tue Jun 19 14:58:11 CDT 2007 i686 Intel(R) Celeron(R) CPU 2.66GHz GenuineIntel GNU/Linux
and
Code:
00:00.0 Host bridge: VIA Technologies, Inc. CN700/VN800/P4M800CE/Pro Host Bridge
00:00.1 Host bridge: VIA Technologies, Inc. CN700/VN800/P4M800CE/Pro Host Bridge
00:00.2 Host bridge: VIA Technologies, Inc. CN700/VN800/P4M800CE/Pro Host Bridge
00:00.3 Host bridge: VIA Technologies, Inc. PT890 Host Bridge
00:00.4 Host bridge: VIA Technologies, Inc. CN700/VN800/P4M800CE/Pro Host Bridge
00:00.7 Host bridge: VIA Technologies, Inc. CN700/VN800/P4M800CE/Pro Host Bridge
00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI Bridge
00:0f.0 RAID bus controller: VIA Technologies, Inc. VIA VT6420 SATA RAID Controller (rev 80)
00:0f.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge [KT600/K8T800/K8T890 South]
00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 60)
00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 78)
01:00.0 VGA compatible controller: VIA Technologies, Inc. UniChrome Pro IGP (rev 01)
dmesg
Linux version 2.6.21.5-smp (root@midas) (gcc version 4.1.2) #2 SMP Tue Jun 19 14:58:11 CDT 2007
BIOS-provided physical RAM map:
sanitize start
sanitize end
copy_e820_map() start: 0000000000000000 size: 000000000009fc00 end: 000000000009fc00 type: 1
copy_e820_map() type is E820_RAM
copy_e820_map() start: 000000000009fc00 size: 0000000000000400 end: 00000000000a0000 type: 2
copy_e820_map() start: 00000000000e6000 size: 000000000001a000 end: 0000000000100000 type: 2
copy_e820_map() start: 0000000000100000 size: 000000001beb0000 end: 000000001bfb0000 type: 1
copy_e820_map() type is E820_RAM
copy_e820_map() start: 000000001bfb0000 size: 0000000000010000 end: 000000001bfc0000 type: 3
copy_e820_map() start: 000000001bfc0000 size: 0000000000030000 end: 000000001bff0000 type: 4
copy_e820_map() start: 000000001bff0000 size: 0000000000010000 end: 000000001c000000 type: 2
copy_e820_map() start: 00000000fee00000 size: 0000000000001000 end: 00000000fee01000 type: 2
copy_e820_map() start: 00000000ff780000 size: 0000000000880000 end: 0000000100000000 type: 2
BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000e6000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000001bfb0000 (usable)
BIOS-e820: 000000001bfb0000 - 000000001bfc0000 (ACPI data)
BIOS-e820: 000000001bfc0000 - 000000001bff0000 (ACPI NVS)
BIOS-e820: 000000001bff0000 - 000000001c000000 (reserved)
BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
BIOS-e820: 00000000ff780000 - 0000000100000000 (reserved)
0MB HIGHMEM available.
447MB LOWMEM available.
found SMP MP-table at 000ff780
Entering add_active_range(0, 0, 114608) 0 entries of 256 used
Zone PFN ranges:
DMA 0 -> 4096
Normal 4096 -> 114608
HighMem 114608 -> 114608
early_node_map[1] active PFN ranges
0: 0 -> 114608
On node 0 totalpages: 114608
DMA zone: 32 pages used for memmap
DMA zone: 0 pages reserved
DMA zone: 4064 pages, LIFO batch:0
Normal zone: 863 pages used for memmap
Normal zone: 109649 pages, LIFO batch:31
HighMem zone: 0 pages used for memmap
DMI 2.3 present.
ACPI: RSDP 000FAA10, 0014 (r0 ACPIAM)
ACPI: RSDT 1BFB0000, 0030 (r1 A M I OEMRSDT 10000514 MSFT 97)
ACPI: FACP 1BFB0200, 0084 (r2 A M I OEMFACP 10000514 MSFT 97)
ACPI Warning (tbfadt-0360): Ignoring BIOS FADT r2 C-state control [20070126]
ACPI: DSDT 1BFB0400, 37A4 (r1 75V80 75V80000 0 INTL 2002026)
ACPI: FACS 1BFC0000, 0040
ACPI: APIC 1BFB0390, 006C (r1 A M I OEMAPIC 10000514 MSFT 97)
ACPI: OEMB 1BFC0040, 0046 (r1 A M I AMI_OEM 10000514 MSFT 97)
ACPI: PM-Timer IO Port: 0x808
ACPI: Local APIC address 0xfee00000
ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
Processor #0 15:4 APIC version 20
ACPI: LAPIC (acpi_id[0x02] lapic_id[0x81] disabled)
ACPI: LAPIC (acpi_id[0x03] lapic_id[0x82] disabled)
ACPI: LAPIC (acpi_id[0x04] lapic_id[0x83] disabled)
ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0])
IOAPIC[0]: apic_id 1, version 3, address 0xfec00000, GSI 0-23
ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)
ACPI: IRQ0 used by override.
ACPI: IRQ2 used by override.
ACPI: IRQ9 used by override.
Enabling APIC mode: Flat. Using 1 I/O APICs
Using ACPI (MADT) for SMP configuration information
Allocating PCI resources starting at 20000000 (gap: 1c000000:e2e00000)
Built 1 zonelists. Total pages: 113713
Kernel command line: BOOT_IMAGE=Linux ro root=305
mapped APIC to ffffd000 (fee00000)
mapped IOAPIC to ffffc000 (fec00000)
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
PID hash table entries: 2048 (order: 11, 8192 bytes)
Detected 2667.040 MHz processor.
Console: colour VGA+ 80x25
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Memory: 444624k/458432k available (6215k kernel code, 13352k reserved, 2017k data, 392k init, 0k highmem)
virtual kernel memory layout:
fixmap : 0xffe17000 - 0xfffff000 (1952 kB)
pkmap : 0xff800000 - 0xffc00000 (4096 kB)
vmalloc : 0xdc800000 - 0xff7fe000 ( 559 MB)
lowmem : 0xc0000000 - 0xdbfb0000 ( 447 MB)
.init : 0xc0915000 - 0xc0977000 ( 392 kB)
.data : 0xc0711c79 - 0xc090a38c (2017 kB)
.text : 0xc0100000 - 0xc0711c79 (6215 kB)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 5340.86 BogoMIPS (lpj=10681724)
Security Framework v1.0.0 initialized
Mount-cache hash table entries: 512
CPU: After generic identify, caps: bfebfbff 20000000 00000000 00000000 0000651d 00000000 00000000
monitor/mwait feature present.
using mwait in idle threads.
CPU: Trace cache: 12K uops, L1 D cache: 16K
CPU: L2 cache: 256K
CPU: Hyper-Threading is disabled
CPU: After all inits, caps: bfebfbff 20000000 00000000 00003180 0000651d 00000000 00000000
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU0: Intel P4/Xeon Extended MCE MSRs (24) available
Compat vDSO mapped to ffffe000.
Checking 'hlt' instruction... OK.
SMP alternatives: switching to UP code
Freeing SMP alternatives: 24k freed
ACPI: Core revision 20070126
CPU0: Intel(R) Celeron(R) CPU 2.66GHz stepping 01
Total of 1 processors activated (5340.86 BogoMIPS).
ENABLING IO-APIC IRQs
..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
Brought up 1 CPUs
NET: Registered protocol family 16
ACPI: bus type pci registered
PCI: PCI BIOS revision 2.10 entry at 0xf0031, last bus=1
PCI: Using configuration type 1
Setting up standard PCI resources
ACPI: Interpreter enabled
ACPI: Using IOAPIC for interrupt routing
ACPI: PCI Root Bridge [PCI0] (0000:00)
PCI: Probing PCI hardware (bus 00)
Boot video device is 0000:01:00.0
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.P0P1._PRT]
ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 *10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 10 *11 12 14 15)
ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 *5 6 7 10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI init
pnp: PnP ACPI: found 14 devices
SCSI subsystem initialized
libata version 2.20 loaded.
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
PCI: Using ACPI for IRQ routing
PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report
pnp: 00:08: iomem range 0xfff80000-0xffffffff could not be reserved
pnp: 00:09: iomem range 0xfec00000-0xfec00fff has been reserved
pnp: 00:09: iomem range 0xfee00000-0xfee00fff could not be reserved
pnp: 00:0d: iomem range 0x0-0x9ffff could not be reserved
pnp: 00:0d: iomem range 0x0-0x0 could not be reserved
pnp: 00:0d: iomem range 0xe0000-0xfffff could not be reserved
Time: tsc clocksource has been installed.
pnp: 00:0d: iomem range 0x100000-0x1bffffff could not be reserved
ieee1394: Initialized config rom entry `ip1394'
PCI: Bridge: 0000:00:01.0
IO window: disabled.
MEM window: fca00000-feafffff
PREFETCH window: eff00000-f7efffff
PCI: Setting latency timer of device 0000:00:01.0 to 64
NET: Registered protocol family 2
IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
TCP established hash table entries: 16384 (order: 5, 196608 bytes)
TCP bind hash table entries: 16384 (order: 5, 131072 bytes)
TCP: Hash tables configured (established 16384 bind 16384)
TCP reno registered
apm: BIOS version 1.2 Flags 0x02 (Driver version 1.16ac)
apm: overridden by ACPI.
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
NTFS driver 2.1.28 [Flags: R/W].
JFS: nTxBlock = 3474, nTxLock = 27795
SGI XFS with ACLs, security attributes, large block numbers, no debug enabled
SGI XFS Quota Management subsystem
OCFS2 1.3.3
OCFS2 Node Manager 1.3.3
OCFS2 DLM 1.3.3
OCFS2 DLMFS 1.3.3
OCFS2 User DLM kernel interface loaded
GFS2 (built Jun 19 2007 14:57:33) installed
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
PCI: Bypassing VIA 8237 APIC De-Assert Message
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Switched to high resolution mode on CPU 0
Real Time Clock Driver v1.12ac
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
00:0c: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize
loop: loaded (max 8 devices)
Compaq SMART2 Driver (v 2.6.0)
HP CISS Driver (v 3.6.14)
input: Macintosh mouse button emulation as /class/input/input0
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
VP_IDE: IDE controller at PCI slot 0000:00:0f.1
ACPI: PCI Interrupt 0000:00:0f.1[A] -> GSI 20 (level, low) -> IRQ 16
VP_IDE: chipset revision 6
VP_IDE: not 100% native mode: will probe irqs later
VP_IDE: VIA vt8237 (rev 00) IDE UDMA133 controller on pci0000:00:0f.1
ide0: BM-DMA at 0xfc00-0xfc07, BIOS settings: hda:DMA, hdb:pio
ide1: BM-DMA at 0xfc08-0xfc0f, BIOS settings: hdc:pio, hdd:pio
Probing IDE interface ide0...
hda: WDC WD800BB-00JHC0, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
Probing IDE interface ide1...
Probing IDE interface ide1...
hda: max request size: 128KiB
hda: 156301488 sectors (80026 MB) w/2048KiB Cache, CHS=65535/16/63, UDMA(100)
hda: cache flushes supported
hda: hda1 hda2 hda3 hda4 < hda5 hda6 hda7 hda8 >
ide-floppy driver 0.99.newide
Loading iSCSI transport class v2.0-724.
iscsi: registered transport (tcp)
Loading Adaptec I2O RAID: Version 2.4 Build 5go
Detecting Adaptec I2O RAID controllers...
Adaptec aacraid driver (1.1-5[2423]-mh3)
aic94xx: Adaptec aic94xx SAS/SATA driver version 1.0.3 loaded
scsi: <fdomain> Detection failed (no card)
sym53c416.c: Version 1.0.0-ac
qlogicfas: no cards were found, please specify I/O address and IRQ using iobase= and irq= options<6>QLogic Fibre Channel HBA Driver
iscsi: registered transport (qla4xxx)
QLogic iSCSI HBA Driver
Emulex LightPulse Fibre Channel SCSI driver 8.1.11
Copyright(c) 2004-2006 Emulex. All rights reserved.
seagate: ST0x/TMC-8xx not detected.
Failed initialization of WD-7000 SCSI card!
DC390: clustering now enabled by default. If you get problems load
with "disable_clustering=1" and report to maintainers
megaraid cmm: 2.20.2.7 (Release Date: Sun Jul 16 00:01:03 EST 2006)
megaraid: 2.20.5.1 (Release Date: Thu Nov 16 15:32:35 EST 2006)
megasas: 00.00.03.10-rc1 Wed Feb 14 10:14:25 PST 2007
GDT-HA: Storage RAID Controller Driver. Version: 3.05
GDT-HA: Found 0 PCI Storage RAID Controllers
3ware Storage Controller device driver for Linux v1.26.02.002.
3ware 9000 Storage Controller device driver for Linux v2.26.02.008.
nsp32: loading...
ipr: IBM Power RAID SCSI Device Driver version: 2.3.1 (January 23, 2007)
RocketRAID 3xxx SATA Controller driver v1.0 (060426)
st: Version 20070203, fixed bufsize 32768, s/g segs 256
sata_via 0000:00:0f.0: version 2.1
ACPI: PCI Interrupt 0000:00:0f.0[B] -> GSI 20 (level, low) -> IRQ 16
sata_via 0000:00:0f.0: routed to hard irq line 11
ata1: SATA max UDMA/133 cmd 0x0001ec00 ctl 0x0001e802 bmdma 0x0001dc00 irq 16
ata2: SATA max UDMA/133 cmd 0x0001e400 ctl 0x0001e002 bmdma 0x0001dc08 irq 16
scsi2 : sata_via
ata1: SATA link down 1.5 Gbps (SStatus 0 SControl 300)
ATA: abnormal status 0x7F on port 0x0001ec07
scsi3 : sata_via
ata2: SATA link down 1.5 Gbps (SStatus 0 SControl 300)
ATA: abnormal status 0x7F on port 0x0001e407
I2O subsystem v1.325
i2o: max drivers = 8
I2O Configuration OSM v1.323
I2O Bus Adapter OSM v1.317
I2O Block Device OSM v1.325
I2O SCSI Peripheral OSM v1.316
I2O ProcFS OSM v1.316
Fusion MPT base driver 3.04.04
Copyright (c) 1999-2007 LSI Logic Corporation
Fusion MPT SPI Host driver 3.04.04
Fusion MPT FC Host driver 3.04.04
Fusion MPT SAS Host driver 3.04.04
usbmon: debugfs is not available
ACPI: PCI Interrupt 0000:00:10.4[C] -> GSI 21 (level, low) -> IRQ 17
ehci_hcd 0000:00:10.4: EHCI Host Controller
ehci_hcd 0000:00:10.4: new USB bus registered, assigned bus number 1
ehci_hcd 0000:00:10.4: irq 17, io mem 0xfebff800
ehci_hcd 0000:00:10.4: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 8 ports detected
116x: driver isp116x-hcd, 03 Nov 2005
ohci_hcd: 2006 August 04 USB 1.1 'Open' Host Controller (OHCI) Driver
USB Universal Host Controller Interface driver v3.0
ACPI: PCI Interrupt 0000:00:10.0[A] -> GSI 21 (level, low) -> IRQ 17
uhci_hcd 0000:00:10.0: UHCI Host Controller
uhci_hcd 0000:00:10.0: new USB bus registered, assigned bus number 2
uhci_hcd 0000:00:10.0: irq 17, io base 0x0000c000
usb usb2: configuration #1 chosen from 1 choice
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:10.1[A] -> GSI 21 (level, low) -> IRQ 17
uhci_hcd 0000:00:10.1: UHCI Host Controller
uhci_hcd 0000:00:10.1: new USB bus registered, assigned bus number 3
uhci_hcd 0000:00:10.1: irq 17, io base 0x0000c400
usb usb3: configuration #1 chosen from 1 choice
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:10.2[B] -> GSI 21 (level, low) -> IRQ 17
uhci_hcd 0000:00:10.2: UHCI Host Controller
uhci_hcd 0000:00:10.2: new USB bus registered, assigned bus number 4
uhci_hcd 0000:00:10.2: irq 17, io base 0x0000c800
usb usb4: configuration #1 chosen from 1 choice
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:10.3[B] -> GSI 21 (level, low) -> IRQ 17
uhci_hcd 0000:00:10.3: UHCI Host Controller
uhci_hcd 0000:00:10.3: new USB bus registered, assigned bus number 5
uhci_hcd 0000:00:10.3: irq 17, io base 0x0000cc00
usb usb5: configuration #1 chosen from 1 choice
hub 5-0:1.0: USB hub found
hub 5-0:1.0: 2 ports detected
sl811: driver sl811-hcd, 19 May 2005
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
usbcore: registered new interface driver hiddev
usbcore: registered new interface driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
PNP: PS/2 Controller [PNP0303:PS2K,PNP0f03:PS2M] at 0x60,0x64 irq 1,12
serio: i8042 KBD port at 0x60,0x64 irq 1
serio: i8042 AUX port at 0x60,0x64 irq 12
mice: PS/2 mouse device common for all mice
md: linear personality registered for level -1
md: raid0 personality registered for level 0
md: raid1 personality registered for level 1
md: raid10 personality registered for level 10
raid6: int32x1 666 MB/s
raid6: int32x2 750 MB/s
raid6: int32x4 603 MB/s
raid6: int32x8 509 MB/s
raid6: mmxx1 1626 MB/s
raid6: mmxx2 1906 MB/s
raid6: sse1x1 955 MB/s
raid6: sse1x2 1857 MB/s
raid6: sse2x1 1929 MB/s
raid6: sse2x2 2919 MB/s
raid6: using algorithm sse2x2 (2919 MB/s)
md: raid6 personality registered for level 6
md: raid5 personality registered for level 5
md: raid4 personality registered for level 4
raid5: automatically using best checksumming function: pIII_sse
pIII_sse : 4324.000 MB/sec
raid5: using function: pIII_sse (4324.000 MB/sec)
md: multipath personality registered for level -4
device-mapper: ioctl: 4.11.0-ioctl (2006-10-12) initialised: dm-devel@redhat.com
TCP cubic registered
Initializing XFRM netlink socket
NET: Registered protocol family 1
NET: Registered protocol family 17
Using IPI Shortcut mode
input: AT Translated Set 2 keyboard as /class/input/input1
input: AT Translated Set 2 keyboard as /class/input/input2
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
ReiserFS: hda5: found reiserfs format "3.6" with standard journal
ReiserFS: hda5: using ordered data mode
ReiserFS: hda5: journal params: device hda5, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30
ReiserFS: hda5: checking transaction log (hda5)
ReiserFS: hda5: Using r5 hash to sort names
VFS: Mounted root (reiserfs filesystem) readonly.
Freeing unused kernel memory: 392k freed
Linux agpgart interface v0.102 (c) Dave Jones
agpgart: Detected VIA VT3314 chipset
agpgart: AGP aperture is 64M @ 0xf8000000
shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
i2c_core: exports duplicate symbol i2c_smbus_write_i2c_block_data (owned by kernel)
kobject_add failed for uhci_hcd with -EEXIST, don't try to register things with the same name in the same directory.
[<c03e86f7>] kobject_shadow_add+0x117/0x1a0
[<c013fba4>] mod_sysfs_setup+0x24/0xb0
[<c0141458>] sys_init_module+0x1648/0x1940
[<c0102ae8>] syscall_call+0x7/0xb
[<c0710000>] __mutex_lock_slowpath+0x40/0x90
=======================
kobject_add failed for uhci_hcd with -EEXIST, don't try to register things with the same name in the same directory.
[<c03e86f7>] kobject_shadow_add+0x117/0x1a0
[<c013fba4>] mod_sysfs_setup+0x24/0xb0
[<c0141458>] sys_init_module+0x1648/0x1940
[<c0102ae8>] syscall_call+0x7/0xb
[<c0710000>] __mutex_lock_slowpath+0x40/0x90
=======================
kobject_add failed for uhci_hcd with -EEXIST, don't try to register things with the same name in the same directory.
[<c03e86f7>] kobject_shadow_add+0x117/0x1a0
[<c013fba4>] mod_sysfs_setup+0x24/0xb0
[<c0141458>] sys_init_module+0x1648/0x1940
[<c0102ae8>] syscall_call+0x7/0xb
[<c0710000>] __mutex_lock_slowpath+0x40/0x90
=======================
kobject_add failed for uhci_hcd with -EEXIST, don't try to register things with the same name in the same directory.
[<c03e86f7>] kobject_shadow_add+0x117/0x1a0
[<c013fba4>] mod_sysfs_setup+0x24/0xb0
[<c0141458>] sys_init_module+0x1648/0x1940
[<c0102ae8>] syscall_call+0x7/0xb
[<c0710000>] __mutex_lock_slowpath+0x40/0x90
=======================
kobject_add failed for ehci_hcd with -EEXIST, don't try to register things with the same name in the same directory.
[<c03e86f7>] kobject_shadow_add+0x117/0x1a0
[<c013fba4>] mod_sysfs_setup+0x24/0xb0
[<c0141458>] sys_init_module+0x1648/0x1940
[<c0102ae8>] syscall_call+0x7/0xb
=======================
via-rhine.c:v1.10-LK1.4.3 2007-03-06 Written by Donald Becker
ACPI: PCI Interrupt 0000:00:12.0[A] -> GSI 23 (level, low) -> IRQ 18
eth0: VIA Rhine II at 0xfebffc00, 00:13:8f:6b:23:81, IRQ 18.
eth0: MII PHY found at address 1, status 0x786d advertising 05e1 Link 45e1.
ACPI: PCI Interrupt 0000:00:11.5[C] -> GSI 22 (level, low) -> IRQ 19
PCI: Setting latency timer of device 0000:00:11.5 to 64
Adding 1341388k swap on /dev/hda8. Priority:-1 extents:1 across:1341388k
input: PC Speaker as /class/input/input3
input: ImPS/2 Generic Wheel Mouse as /class/input/input4
parport: PnPBIOS parport detected.
parport0: PC-style at 0x378 (0x778), irq 7 [PCSPP,TRISTATE,EPP]
lp0: using parport0 (interrupt-driven).
lp0: console ready
Capability LSM initialized
ReiserFS: hda6: found reiserfs format "3.6" with standard journal
ReiserFS: hda6: using ordered data mode
ReiserFS: hda6: journal params: device hda6, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30
ReiserFS: hda6: checking transaction log (hda6)
ReiserFS: hda6: Using r5 hash to sort names
ReiserFS: hda7: found reiserfs format "3.6" with standard journal
ReiserFS: hda7: using ordered data mode
ReiserFS: hda7: journal params: device hda7, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30
ReiserFS: hda7: checking transaction log (hda7)
ReiserFS: hda7: Using r5 hash to sort names
eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
i2c_core: exports duplicate symbol i2c_smbus_write_i2c_block_data (owned by kernel)
i2c_core: exports duplicate symbol i2c_smbus_write_i2c_block_data (owned by kernel)
i2c_core: exports duplicate symbol i2c_smbus_write_i2c_block_data (owned by kernel)
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
eth0: no IPv6 routers present
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
vboxdrv: Trying to deactivate NMI watchdog permanently...
vboxdrv: Successfully done.
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
mtrr: no more MTRRs available
I read your post and, having slackware 11 and 12 dual-booting on the same harddrive on the same computer, thought a little testing on my box might be helpful.
First off, my results match what you are seeing on your setup. So either your not crazy or we both are.
I'll describe my setup and what I did first and post my results below.
I have a 2.4 GHz celeron on a VIA chipset motherboard with a Western Digital 80 Gig HD as /dev/hda.
Slackware-11 is on hda8 and usually boots with a custom 2.6.19.2 non-smp kernel. / is using reiserfs.
Slackware-12 is on hda9 and usually boots with a custom 2.6.21.5 smp kernel. / is using ext3.
First, I ran hdparm from Slackware-11 and Slackware-12 to see what I found:
Code:
Slackware-11:
/dev/hda:
Timing cached reads: 724 MB in 2.01 seconds = 360.96 MB/sec
Timing buffered disk reads: 146 MB in 3.03 seconds = 48.11 MB/sec
Slackware-12: (ran 2 times to be certain)
/dev/hda:
Timing cached reads: 350 MB in 2.01 seconds = 174.29 MB/sec
Timing buffered disk reads: 168 MB in 3.02 seconds = 55.66 MB/sec
root@sun:/home/steven# hdparm -Tt /dev/hda
/dev/hda:
Timing cached reads: 340 MB in 2.01 seconds = 169.30 MB/sec
Timing buffered disk reads: 168 MB in 3.03 seconds = 55.52 MB/sec
So, I'm seeing a 50% decrease in speed during cached reads in the Slackware-12 setup on the same drive in the same PC.
Note the roughly 10% speed increase in buffered disk reads. Significant?
I thought that a difference in the kernel or the kernel config might be to blame and so I expected that if I booted Slackware-11 with the kernel from Slackware-12, I would see the same decrease in cached read speeds as I was seeing in Slackware-12. This was not to be the case though.
I edited lilo to boot Slackware-11 with the Slackware-12 kernel and copied the modules over to the Slackware-11 /lib/modules directory. After booting Slackware-11 with the 2.6.21.5 kernel, I got the following result from hdparm:
Code:
Slackware-11 using the Slackware-12 2.6.21.5-smp kernel: (run 2 times)
/dev/hda:
Timing cached reads: 712 MB in 2.01 seconds = 354.64 MB/sec
Timing buffered disk reads: 168 MB in 3.01 seconds = 55.80 MB/sec
root@sun:~# hdparm -Tt /dev/hda
/dev/hda:
Timing cached reads: 744 MB in 2.01 seconds = 370.75 MB/sec
Timing buffered disk reads: 170 MB in 3.04 seconds = 56.00 MB/sec
So, the 50% speed decrease in cached reads in Slackware-12 appears to be caused by somethng other than the kernel.
I'm affraid I not not have enough knowledge to go any further with this, but I hope someone who knows more about these things might be able to shed some light.
I have posted the full details below. Please note that the hdparm parameters are the same in both setups.
Also, I was curious as to why my output for uname -a gives differing results between 11 and 12 with respect to the processor I am running. I thought again this might be a difference in the kernel configs, but it appears independent of the kernel.
Code:
On Slackware 11:
root@sun:/home/steve# uname -a
Linux sun 2.6.19.2 #1 Sun Jan 21 03:00:50 EST 2007 i686 pentium4 i386 GNU/Linux
root@sun:/home/steve#
root@sun:/home/steve# hdparm /dev/hda
/dev/hda:
multcount = 0 (off)
IO_support = 1 (32-bit)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
geometry = 65535/16/63, sectors = 156301488, start = 0
root@sun:/home/steve#
root@sun:/home/steve# hdparm /dev/hdb
/dev/hdb: No such file or directory
root@sun:/home/steve# hdparm -Tt /dev/hda
/dev/hda:
Timing cached reads: 724 MB in 2.01 seconds = 360.96 MB/sec
Timing buffered disk reads: 146 MB in 3.03 seconds = 48.11 MB/sec
<--------------------8--------------------------------------------------------->
On Slackware 12:
root@sun:/home/steven# uname -a
Linux sun 2.6.21.5-smp #1 SMP Sun Jul 8 12:20:44 EDT 2007 i686 Intel(R) Celeron(R) CPU 2.40GHz GenuineIntel GNU/Linux
root@sun:/home/steven#
root@sun:/home/steven# hdparm /dev/hda
/dev/hda:
multcount = 0 (off)
IO_support = 1 (32-bit)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off
readahead = 256 (on)
geometry = 65535/16/63, sectors = 156301488, start = 0
root@sun:/home/steven#
root@sun:/home/steven# hdparm -Tt /dev/hda
/dev/hda:
Timing cached reads: 350 MB in 2.01 seconds = 174.29 MB/sec
Timing buffered disk reads: 168 MB in 3.02 seconds = 55.66 MB/sec
root@sun:/home/steven# hdparm -Tt /dev/hda
/dev/hda:
Timing cached reads: 340 MB in 2.01 seconds = 169.30 MB/sec
Timing buffered disk reads: 168 MB in 3.03 seconds = 55.52 MB/sec
<--------------------8--------------------------------------------------------->
On Slackware 11 using the 2.6.21.5-smp kernel from 12:
root@sun:~# uname -a
Linux sun 2.6.21.5-smp #1 SMP Sun Jul 8 12:20:44 EDT 2007 i686 pentium4 i386 GNU/Linux
root@sun:~#
root@sun:~# hdparm /dev/hda
/dev/hda:
multcount = 0 (off)
IO_support = 1 (32-bit)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
geometry = 65535/16/63, sectors = 156301488, start = 0
root@sun:~# hdparm -Tt /dev/hda
/dev/hda:
Timing cached reads: 712 MB in 2.01 seconds = 354.64 MB/sec
Timing buffered disk reads: 168 MB in 3.01 seconds = 55.80 MB/sec
root@sun:~# hdparm -Tt /dev/hda
/dev/hda:
Timing cached reads: 744 MB in 2.01 seconds = 370.75 MB/sec
Timing buffered disk reads: 170 MB in 3.04 seconds = 56.00 MB/sec
Not sure this helps at all, but maybe someone else can add something more useful.
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