cpu l1, l2, l3 cache

# dmidecode  -t cache
# dmidecode 2.9
SMBIOS 2.6 present.

Handle 0x0700, DMI type 7, 19 bytes
Cache Information
  Socket Designation: Not Specified
	Configuration: Enabled, Not Socketed, Level 1
	Operational Mode: Write Back
	Location: Internal
	Installed Size: 128 KB
	Maximum Size: 128 KB
	Supported SRAM Types:
		Unknown
	Installed SRAM Type: Unknown
	Speed: Unknown
	Error Correction Type: Single-bit ECC
	System Type: Data
	Associativity: 8-way Set-associative

Handle 0x0701, DMI type 7, 19 bytes
Cache Information
	Socket Designation: Not Specified
	Configuration: Enabled, Not Socketed, Level 2
	Operational Mode: Write Back
	Location: Internal
	Installed Size: 1024 KB
	Maximum Size: 2048 KB
	Supported SRAM Types:
		Unknown
	Installed SRAM Type: Unknown
	Speed: Unknown
	Error Correction Type: Single-bit ECC
	System Type: Unified
	Associativity: 8-way Set-associative

Handle 0x0702, DMI type 7, 19 bytes
Cache Information
	Socket Designation: Not Specified
	Configuration: Enabled, Not Socketed, Level 3
	Operational Mode: Write Back
	Location: Internal
	Installed Size: 12288 KB
	Maximum Size: 12288 KB
	Supported SRAM Types:
		Unknown
	Installed SRAM Type: Unknown
	Speed: Unknown
	Error Correction Type: Single-bit ECC
	System Type: Unified
	Associativity: 16-way Set-associative

Handle 0x0703, DMI type 7, 19 bytes
Cache Information
	Socket Designation: Not Specified
	Configuration: Enabled, Not Socketed, Level 1
	Operational Mode: Write Back
	Location: Internal
	Installed Size: 128 KB
	Maximum Size: 128 KB
	Supported SRAM Types:
		Unknown
	Installed SRAM Type: Unknown
	Speed: Unknown
	Error Correction Type: Single-bit ECC
	System Type: Data
	Associativity: 8-way Set-associative

Handle 0x0704, DMI type 7, 19 bytes
Cache Information
	Socket Designation: Not Specified
	Configuration: Enabled, Not Socketed, Level 2
	Operational Mode: Write Back
	Location: Internal
	Installed Size: 1024 KB
	Maximum Size: 2048 KB
	Supported SRAM Types:
		Unknown
	Installed SRAM Type: Unknown
	Speed: Unknown
	Error Correction Type: Single-bit ECC
	System Type: Unified
	Associativity: 8-way Set-associative

Handle 0x0705, DMI type 7, 19 bytes
Cache Information
	Socket Designation: Not Specified
	Configuration: Enabled, Not Socketed, Level 3
	Operational Mode: Write Back
	Location: Internal
	Installed Size: 12288 KB
	Maximum Size: 12288 KB
	Supported SRAM Types:
		Unknown
	Installed SRAM Type: Unknown
	Speed: Unknown
	Error Correction Type: Single-bit ECC
	System Type: Unified
	Associativity: 16-way Set-associative
  
  
  
  
processor  : 15
vendor_id	: GenuineIntel
cpu family	: 6
model		: 44
model name	: Intel(R) Xeon(R) CPU           E5620  @ 2.40GHz
stepping	: 2
cpu MHz		: 2393.995
cache size	: 12288 KB
physical id	: 0
siblings	: 8
core id		: 10
cpu cores	: 4
apicid		: 21
initial apicid	: 21
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: 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 ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat tpr_shadow vnmi flexpriority ept vpid
bogomips	: 4788.06
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


# pwd
/sys/devices/system/cpu
# cat cpu*/cache/index*/size
32K
32K
256K
12288K
32K
32K
256K
12288K
32K
32K
256K
12288K
32K
32K
256K
12288K
32K
32K
256K
12288K
32K
32K
256K
12288K
32K
32K
256K
12288K
32K
32K
256K
12288K
32K
32K
256K
12288K
32K
32K
256K
12288K
32K
32K
256K
12288K
32K
32K
256K
12288K
32K
32K
256K
12288K
32K
32K
256K
12288K
32K
32K
256K
12288K
32K
32K
256K
12288K


# lshw 
hadoop1.umops.us          
    description: Rack Mount Chassis
    product: PowerEdge R410
    vendor: Dell Inc.
    serial: 9MYL13X
    width: 64 bits
    capabilities: smbios-2.6 dmi-2.6 vsyscall64 vsyscall32
    configuration: boot=normal chassis=rackmount uuid=44454C4C-4D00-1059-804C-B9C04F313358
  *-core
       description: Motherboard
       product: 0WWR83
       vendor: Dell Inc.
       physical id: 0
       version: A02
       serial: ..CN137400BM00IV.
     *-firmware
          description: BIOS
          vendor: Dell Inc.
          physical id: 0
          version: 1.5.3 (10/22/2010)
          size: 64KiB
          capacity: 4032KiB
          capabilities: isa pci pnp upgrade shadowing cdboot bootselect edd int13floppytoshiba int13floppy360 int13floppy1200 int13floppy720 int9keyboard int14serial int10video acpi usb biosbootspecification netboot
     *-cpu:0
          description: CPU
          product: Intel(R) Xeon(R) CPU           E5620  @ 2.40GHz
          vendor: Intel Corp.
          physical id: 400
          bus info: cpu@0
          version: Intel(R) Xeon(R) CPU           E5620  @ 2.40GHz
          slot: CPU1
          size: 2400MHz
          capacity: 3600MHz
          width: 64 bits
          clock: 1565MHz
          capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp x86-64 constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat tpr_shadow vnmi flexpriority ept vpid
        *-cache:0
             description: L1 cache
             physical id: 700
             size: 128KiB
             capacity: 128KiB
             capabilities: internal write-back data
        *-cache:1
             description: L2 cache
             physical id: 701
             size: 1MiB
             capacity: 2MiB
             capabilities: internal write-back unified
        *-cache:2
             description: L3 cache
             physical id: 702
             size: 12MiB
             capacity: 12MiB
             capabilities: internal write-back unified
     *-cpu:1
          description: CPU
          product: Intel(R) Xeon(R) CPU           E5620  @ 2.40GHz
          vendor: Intel Corp.
          physical id: 401
          bus info: cpu@1
          version: Intel(R) Xeon(R) CPU           E5620  @ 2.40GHz
          slot: CPU2
          size: 2400MHz
          capacity: 3600MHz
          width: 64 bits
          clock: 1565MHz
          capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp x86-64 constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat tpr_shadow vnmi flexpriority ept vpid
        *-cache:0
             description: L1 cache
             physical id: 703
             size: 128KiB
             capacity: 128KiB
             capabilities: internal write-back data
        *-cache:1
             description: L2 cache
             physical id: 704
             size: 1MiB
             capacity: 2MiB
             capabilities: internal write-back unified
        *-cache:2
             description: L3 cache
             physical id: 705
             size: 12MiB
             capacity: 12MiB
             capabilities: internal write-back unified
     *-memory
          description: System Memory
          physical id: 1000
          slot: System board or motherboard
          size: 32GiB
        *-bank:0
             description: DIMM Synchronous 1333 MHz (0.8 ns)
             product: HMT351R7BFR8C-H9D1
             vendor: 002C04B3802C
             physical id: 0
             serial: 86101562
             slot: DIMM_A1
             size: 4GiB
             width: 64 bits
             clock: 1333MHz (0.8ns)
        *-bank:1
             description: DIMM Synchronous 1333 MHz (0.8 ns)
             product: HMT351R7BFR8C-H9D1
             vendor: 002C04B3802C
             physical id: 1
             serial: 8610155F
             slot: DIMM_A2
             size: 4GiB
             width: 64 bits
             clock: 1333MHz (0.8ns)
        *-bank:2
             description: DIMM Synchronous 1333 MHz (0.8 ns)
             product: HMT351R7BFR8C-H9D1
             vendor: 002C04B3802C
             physical id: 2
             serial: 86101560
             slot: DIMM_A3
             size: 4GiB
             width: 64 bits
             clock: 1333MHz (0.8ns)
        *-bank:3
             description: DIMM Synchronous 1333 MHz (0.8 ns)
             product: HMT351R7BFR8C-H9D1
             vendor: 002C04B3802C
             physical id: 3
             serial: 86101561
             slot: DIMM_A4
             size: 4GiB
             width: 64 bits
             clock: 1333MHz (0.8ns)
        *-bank:4
             description: DIMM Synchronous 1333 MHz (0.8 ns)
             product: HMT351R7BFR8C-H9D1
             vendor: 002C04B3802C
             physical id: 4
             serial: 86101513
             slot: DIMM_B1
             size: 4GiB
             width: 64 bits
             clock: 1333MHz (0.8ns)
        *-bank:5
             description: DIMM Synchronous 1333 MHz (0.8 ns)
             product: HMT351R7BFR8C-H9D1
             vendor: 002C04B3802C
             physical id: 5
             serial: 86101552
             slot: DIMM_B2
             size: 4GiB
             width: 64 bits
             clock: 1333MHz (0.8ns)
        *-bank:6
             description: DIMM Synchronous 1333 MHz (0.8 ns)
             product: HMT351R7BFR8C-H9D1
             vendor: 002C04B3802C
             physical id: 6
             serial: 86101551
             slot: DIMM_B3
             size: 4GiB
             width: 64 bits
             clock: 1333MHz (0.8ns)
        *-bank:7
             description: DIMM Synchronous 1333 MHz (0.8 ns)
             product: HMT351R7BFR8C-H9D1
             vendor: 002C04B3802C
             physical id: 7
             serial: 861015C1
             slot: DIMM_B4
             size: 4GiB
             width: 64 bits
             clock: 1333MHz (0.8ns)
     *-pci
          description: Host bridge
          product: 5500 I/O Hub to ESI Port
          vendor: Intel Corporation
          physical id: 100
          bus info: pci@0000:00:00.0
          version: 13
          width: 32 bits
          clock: 33MHz
        *-pci:0
             description: PCI bridge
             product: 5520/5500/X58 I/O Hub PCI Express Root Port 1
             vendor: Intel Corporation
             physical id: 1
             bus info: pci@0000:00:01.0
             version: 13
             width: 32 bits
             clock: 33MHz
             capabilities: pci msi pciexpress pm bus_master cap_list
             configuration: driver=pcieport
             resources: irq:56 memory:da000000-ddffffff
           *-network:0
                description: Ethernet interface
                product: NetXtreme II BCM5716 Gigabit Ethernet
                vendor: Broadcom Corporation
                physical id: 0
                bus info: pci@0000:01:00.0
                logical name: eth0
                version: 20
                serial: 84:2b:2b:76:86:6e
                size: 1GB/s
                capacity: 1GB/s
                width: 64 bits
                clock: 33MHz
                capabilities: pm vpd msi msix pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
                configuration: autonegotiation=on broadcast=yes driver=bnx2 driverversion=2.0.2 duplex=full firmware=5.2.3 NCSI 2.0.10 ip=192.168.1.10 latency=0 link=yes multicast=yes port=twisted pair speed=1GB/s
                resources: irq:36 memory:da000000-dbffffff
           *-network:1
                description: Ethernet interface
                product: NetXtreme II BCM5716 Gigabit Ethernet
                vendor: Broadcom Corporation
                physical id: 0.1
                bus info: pci@0000:01:00.1
                logical name: eth1
                version: 20
                serial: 84:2b:2b:76:86:6f
                size: 1GB/s
                capacity: 1GB/s
                width: 64 bits
                clock: 33MHz
                capabilities: pm vpd msi msix pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
                configuration: autonegotiation=on broadcast=yes driver=bnx2 driverversion=2.0.2 duplex=full firmware=5.2.3 NCSI 2.0.10 ip=122.11.52.226 latency=0 link=yes multicast=yes port=twisted pair speed=1GB/s
                resources: irq:48 memory:dc000000-ddffffff
        *-pci:1
             description: PCI bridge
             product: 5520/5500/X58 I/O Hub PCI Express Root Port 3
             vendor: Intel Corporation
             physical id: 3
             bus info: pci@0000:00:03.0
             version: 13
             width: 32 bits
             clock: 33MHz
             capabilities: pci msi pciexpress pm bus_master cap_list
             configuration: driver=pcieport
             resources: irq:57
        *-pci:2
             description: PCI bridge
             product: 5520/5500/X58 I/O Hub PCI Express Root Port 7
             vendor: Intel Corporation
             physical id: 7
             bus info: pci@0000:00:07.0
             version: 13
             width: 32 bits
             clock: 33MHz
             capabilities: pci msi pciexpress pm bus_master cap_list
             configuration: driver=pcieport
             resources: irq:58 ioport:f000(size=4096) memory:df100000-df1fffff
           *-storage
                description: RAID bus controller
                product: MegaRAID SAS 1078
                vendor: LSI Logic / Symbios Logic
                physical id: 0
                bus info: pci@0000:03:00.0
                logical name: scsi4
                version: 04
                width: 64 bits
                clock: 33MHz
                capabilities: storage pciexpress msi msix pm vpd bus_master cap_list rom
                configuration: driver=megaraid_sas latency=0
                resources: irq:38 memory:df180000-df1bffff ioport:fc00(size=256) memory:df1c0000-df1fffff memory:df100000-df107fff(prefetchable)
              *-disk:0
                   description: SCSI Disk
                   product: PERC 6/i
                   vendor: DELL
                   physical id: 2.0.0
                   bus info: scsi@4:2.0.0
                   logical name: /dev/sda
                   version: 1.22
                   serial: 0000b3af04b5a41516005ebe78b0b242
                   size: 278GiB (299GB)
                   capabilities: partitioned partitioned:dos
                   configuration: ansiversion=5 signature=0005764f
                 *-volume:0
                      description: EXT4 volume
                      vendor: Linux
                      physical id: 1
                      bus info: scsi@4:2.0.0,1
                      logical name: /dev/sda1
                      logical name: /boot
                      version: 1.0
                      serial: 0794de5a-dc75-4f8e-b34a-efd79992f3b5
                      size: 142MiB
                      capacity: 142MiB
                      capabilities: primary bootable journaled extended_attributes huge_files dir_nlink recover extents ext4 ext2 initialized
                      configuration: created=2011-10-01 17:56:59 filesystem=ext4 lastmountpoint=/boot8]D????V6?(]D????W????d???????????p?????? modified=2013-01-24 15:52:32 mount.fstype=ext4 mount.options=rw,relatime,barrier=1,data=ordered mounted=2013-01-24 15:52:32 state=mounted
                 *-volume:1
                      description: Extended partition
                      physical id: 2
                      bus info: scsi@4:2.0.0,2
                      logical name: /dev/sda2
                      size: 278GiB
                      capacity: 278GiB
                      capabilities: primary extended partitioned partitioned:extended
                    *-logicalvolume:0
                         description: Linux filesystem partition
                         physical id: 5
                         logical name: /dev/sda5
                         logical name: /
                         capacity: 19GiB
                         configuration: mount.fstype=ext4 mount.options=rw,relatime,errors=remount-ro,barrier=1,data=ordered state=mounted
                    *-logicalvolume:1
                         description: Linux filesystem partition
                         physical id: 6
                         logical name: /dev/sda6
                         logical name: /var
                         capacity: 19GiB
                         configuration: mount.fstype=ext4 mount.options=rw,relatime,barrier=1,data=ordered state=mounted
                    *-logicalvolume:2
                         description: Linux filesystem partition
                         physical id: 7
                         logical name: /dev/sda7
                         logical name: /opt
                         capacity: 231GiB
                         configuration: mount.fstype=ext4 mount.options=rw,relatime,barrier=1,data=ordered state=mounted
                    *-logicalvolume:3
                         description: Linux swap / Solaris partition
                         physical id: 8
                         logical name: /dev/sda8
                         capacity: 8896MiB
                         capabilities: nofs
              *-disk:1
                   description: SCSI Disk
                   product: PERC 6/i
                   vendor: DELL
                   physical id: 2.1.0
                   bus info: scsi@4:2.1.0
                   logical name: /dev/sdb
                   version: 1.22
                   serial: 0082081805bca41516005ebe78b0b242
                   size: 2793GiB (2998GB)
                   capabilities: gpt-1.00 partitioned partitioned:gpt
                   configuration: ansiversion=5 guid=c55eb428-4112-4f8e-991c-40731abba3f2
                 *-volume
                      description: EXT4 volume
                      vendor: Linux
                      physical id: 1
                      bus info: scsi@4:2.1.0,1
                      logical name: /dev/sdb1
                      logical name: /data
                      version: 1.0
                      serial: 7368b34f-2813-433d-857a-2fcb299be1e8
                      size: 2792GiB
                      capacity: 2792GiB
                      capabilities: journaled extended_attributes large_files huge_files dir_nlink recover extents ext4 ext2 initialized
                      configuration: created=2011-10-01 18:15:09 filesystem=ext4 lastmountpoint=/data?0????V??(?0???B^???@?H???I???p???????c modified=2013-01-24 15:53:15 mount.fstype=ext4 mount.options=rw,relatime,barrier=1,data=ordered mounted=2013-01-24 15:53:15 name=data state=mounted
        *-generic:0 UNCLAIMED
             description: PIC
             product: 5520/5500/X58 I/O Hub System Management Registers
             vendor: Intel Corporation
             physical id: 14
             bus info: pci@0000:00:14.0
             version: 13
             width: 32 bits
             clock: 33MHz
             capabilities: pciexpress cap_list
             configuration: latency=0
        *-generic:1 UNCLAIMED
             description: PIC
             product: 5520/5500/X58 I/O Hub GPIO and Scratch Pad Registers
             vendor: Intel Corporation
             physical id: 14.1
             bus info: pci@0000:00:14.1
             version: 13
             width: 32 bits
             clock: 33MHz
             capabilities: pciexpress cap_list
             configuration: latency=0
        *-generic:2 UNCLAIMED
             description: PIC
             product: 5520/5500/X58 I/O Hub Control Status and RAS Registers
             vendor: Intel Corporation
             physical id: 14.2
             bus info: pci@0000:00:14.2
             version: 13
             width: 32 bits
             clock: 33MHz
             capabilities: pciexpress cap_list
             configuration: latency=0
        *-usb:0
             description: USB Controller
             product: 82801JI (ICH10 Family) USB UHCI Controller #4
             vendor: Intel Corporation
             physical id: 1a
             bus info: pci@0000:00:1a.0
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: bus_master cap_list
             configuration: driver=uhci_hcd latency=0
             resources: irq:17 ioport:ec40(size=32)
        *-usb:1
             description: USB Controller
             product: 82801JI (ICH10 Family) USB UHCI Controller #5
             vendor: Intel Corporation
             physical id: 1a.1
             bus info: pci@0000:00:1a.1
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: bus_master cap_list
             configuration: driver=uhci_hcd latency=0
             resources: irq:18 ioport:ec60(size=32)
        *-usb:2
             description: USB Controller
             product: 82801JI (ICH10 Family) USB2 EHCI Controller #2
             vendor: Intel Corporation
             physical id: 1a.7
             bus info: pci@0000:00:1a.7
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: pm debug bus_master cap_list
             configuration: driver=ehci_hcd latency=0
             resources: irq:19 memory:df0fe000-df0fe3ff
        *-usb:3
             description: USB Controller
             product: 82801JI (ICH10 Family) USB UHCI Controller #1
             vendor: Intel Corporation
             physical id: 1d
             bus info: pci@0000:00:1d.0
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: bus_master cap_list
             configuration: driver=uhci_hcd latency=0
             resources: irq:21 ioport:ec80(size=32)
        *-usb:4
             description: USB Controller
             product: 82801JI (ICH10 Family) USB UHCI Controller #2
             vendor: Intel Corporation
             physical id: 1d.1
             bus info: pci@0000:00:1d.1
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: bus_master cap_list
             configuration: driver=uhci_hcd latency=0
             resources: irq:20 ioport:eca0(size=32)
        *-usb:5
             description: USB Controller
             product: 82801JI (ICH10 Family) USB UHCI Controller #3
             vendor: Intel Corporation
             physical id: 1d.2
             bus info: pci@0000:00:1d.2
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: bus_master cap_list
             configuration: driver=uhci_hcd latency=0
             resources: irq:21 ioport:ecc0(size=32)
        *-usb:6
             description: USB Controller
             product: 82801JI (ICH10 Family) USB UHCI Controller #6
             vendor: Intel Corporation
             physical id: 1d.3
             bus info: pci@0000:00:1d.3
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: bus_master cap_list
             configuration: driver=uhci_hcd latency=0
             resources: irq:20 ioport:ece0(size=32)
        *-usb:7
             description: USB Controller
             product: 82801JI (ICH10 Family) USB2 EHCI Controller #1
             vendor: Intel Corporation
             physical id: 1d.7
             bus info: pci@0000:00:1d.7
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: pm debug bus_master cap_list
             configuration: driver=ehci_hcd latency=0
             resources: irq:21 memory:df0ff000-df0ff3ff
        *-pci:3
             description: PCI bridge
             product: 82801 PCI Bridge
             vendor: Intel Corporation
             physical id: 1e
             bus info: pci@0000:00:1e.0
             version: 90
             width: 32 bits
             clock: 33MHz
             capabilities: pci bus_master cap_list
             resources: memory:de000000-deffffff ioport:d9800000(size=8388608)
           *-display UNCLAIMED
                description: VGA compatible controller
                product: MGA G200eW WPCM450
                vendor: Matrox Graphics, Inc.
                physical id: 3
                bus info: pci@0000:04:03.0
                version: 0a
                width: 32 bits
                clock: 33MHz
                capabilities: pm bus_master cap_list
                configuration: latency=32 maxlatency=32 mingnt=16
                resources: memory:d9800000-d9ffffff(prefetchable) memory:de7fc000-de7fffff memory:de800000-deffffff memory:de000000-de00ffff(prefetchable)
        *-isa
             description: ISA bridge
             product: 82801JIR (ICH10R) LPC Interface Controller
             vendor: Intel Corporation
             physical id: 1f
             bus info: pci@0000:00:1f.0
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: isa bus_master cap_list
             configuration: latency=0
        *-ide:0
             description: IDE interface
             product: 82801JI (ICH10 Family) 4 port SATA IDE Controller #1
             vendor: Intel Corporation
             physical id: 1f.2
             bus info: pci@0000:00:1f.2
             version: 00
             width: 32 bits
             clock: 66MHz
             capabilities: ide pm bus_master cap_list
             configuration: driver=ata_piix latency=0
             resources: irq:23 ioport:e8e0(size=8) ioport:e8d0(size=4) ioport:e8e8(size=8) ioport:e8d4(size=4) ioport:ec00(size=16) ioport:ec10(size=16)
        *-ide:1
             description: IDE interface
             product: 82801JI (ICH10 Family) 2 port SATA IDE Controller #2
             vendor: Intel Corporation
             physical id: 1f.5
             bus info: pci@0000:00:1f.5
             version: 00
             width: 32 bits
             clock: 66MHz
             capabilities: ide pm bus_master cap_list
             configuration: driver=ata_piix latency=0
             resources: irq:22 ioport:e8f0(size=8) ioport:e8d8(size=4) ioport:e8f8(size=8) ioport:e8dc(size=4) ioport:ec20(size=16) ioport:ec30(size=16)
     *-scsi
          physical id: 1
          bus info: usb@2:3
          logical name: scsi6
          logical name: scsi5
          capabilities: emulated scsi-host
          configuration: driver=usb-storage
        *-cdrom
             description: DVD reader
             physical id: 0
             bus info: scsi@6:0.0.0
             logical name: /dev/cdrom1
             logical name: /dev/dvd1
             logical name: /dev/scd0
             logical name: /dev/sr0
             capabilities: audio dvd
             configuration: status=nodisc
        *-disk:0
             description: SCSI Disk
             physical id: 0.0.1
             bus info: scsi@6:0.0.1
             logical name: /dev/sdc
        *-disk:1
             description: SCSI Disk
             physical id: 1
             bus info: scsi@5:0.0.0
             logical name: /dev/sdd

# dmesg  | grep cache
[    0.002228] Dentry cache hash table entries: 4194304 (order: 13, 33554432 bytes)
[    0.009042] Inode-cache hash table entries: 2097152 (order: 12, 16777216 bytes)
[    0.011913] Mount-cache hash table entries: 256
[    0.012145] CPU: L1 I cache: 32K, L1 D cache: 32K
[    0.012147] CPU: L2 cache: 256K
[    0.012148] CPU: L3 cache: 12288K
[    0.408114] CPU: L1 I cache: 32K, L1 D cache: 32K
[    0.408116] CPU: L2 cache: 256K
[    0.408118] CPU: L3 cache: 12288K
[    0.587800] CPU: L1 I cache: 32K, L1 D cache: 32K
[    0.587801] CPU: L2 cache: 256K
[    0.587802] CPU: L3 cache: 12288K
[    0.767490] CPU: L1 I cache: 32K, L1 D cache: 32K
[    0.767492] CPU: L2 cache: 256K
[    0.767494] CPU: L3 cache: 12288K
[    0.947176] CPU: L1 I cache: 32K, L1 D cache: 32K
[    0.947177] CPU: L2 cache: 256K
[    0.947178] CPU: L3 cache: 12288K
[    1.126867] CPU: L1 I cache: 32K, L1 D cache: 32K
[    1.126869] CPU: L2 cache: 256K
[    1.126870] CPU: L3 cache: 12288K
[    1.306552] CPU: L1 I cache: 32K, L1 D cache: 32K
[    1.306554] CPU: L2 cache: 256K
[    1.306554] CPU: L3 cache: 12288K
[    1.486243] CPU: L1 I cache: 32K, L1 D cache: 32K
[    1.486245] CPU: L2 cache: 256K
[    1.486246] CPU: L3 cache: 12288K
[    1.665930] CPU: L1 I cache: 32K, L1 D cache: 32K
[    1.665931] CPU: L2 cache: 256K
[    1.665933] CPU: L3 cache: 12288K
[    1.845619] CPU: L1 I cache: 32K, L1 D cache: 32K
[    1.845621] CPU: L2 cache: 256K
[    1.845623] CPU: L3 cache: 12288K
[    2.025305] CPU: L1 I cache: 32K, L1 D cache: 32K
[    2.025306] CPU: L2 cache: 256K
[    2.025307] CPU: L3 cache: 12288K
[    2.204995] CPU: L1 I cache: 32K, L1 D cache: 32K
[    2.204997] CPU: L2 cache: 256K
[    2.204999] CPU: L3 cache: 12288K
[    2.384681] CPU: L1 I cache: 32K, L1 D cache: 32K
[    2.384682] CPU: L2 cache: 256K
[    2.384683] CPU: L3 cache: 12288K
[    2.564372] CPU: L1 I cache: 32K, L1 D cache: 32K
[    2.564374] CPU: L2 cache: 256K
[    2.564375] CPU: L3 cache: 12288K
[    2.744057] CPU: L1 I cache: 32K, L1 D cache: 32K
[    2.744058] CPU: L2 cache: 256K
[    2.744059] CPU: L3 cache: 12288K
[    2.923748] CPU: L1 I cache: 32K, L1 D cache: 32K
[    2.923750] CPU: L2 cache: 256K
[    2.923751] CPU: L3 cache: 12288K
[    3.001691] IP route cache hash table entries: 524288 (order: 10, 4194304 bytes)
[    3.037215] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[    3.372946] ehci_hcd 0000:00:1a.7: cache line size of 32 is not supported
[    3.392472] ehci_hcd 0000:00:1d.7: cache line size of 32 is not supported
[    5.483627] sd 4:2:0:0: [sda] Write cache: disabled, read cache: enabled, supports DPO and FUA
[    5.483906] sd 4:2:1:0: [sdb] Write cache: disabled, read cache: enabled, supports DPO and FUA


# lscpu 
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
CPU(s):                16
Thread(s) per core:    2
Core(s) per socket:    4
CPU socket(s):         2
NUMA node(s):          2
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 44
Stepping:              2
CPU MHz:               2393.995
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              12288K

# cpuid
 eax in    eax      ebx      ecx      edx
00000000 0000000b 756e6547 6c65746e 49656e69
00000001 000206c2 02200800 029ee3ff bfebfbff
00000002 55035a01 00f0b2ff 00000000 00ca0000
00000003 00000000 00000000 00000000 00000000
00000004 00000000 00000000 00000000 00000000
00000005 00000040 00000040 00000003 00001120
00000006 00000007 00000002 00000001 00000000
00000007 00000000 00000000 00000000 00000000
00000008 00000000 00000000 00000000 00000000
00000009 00000000 00000000 00000000 00000000
0000000a 07300403 00000004 00000000 00000603
0000000b 00000000 00000000 0000005f 00000002
80000000 80000008 00000000 00000000 00000000
80000001 00000000 00000000 00000001 2c100800
80000002 65746e49 2952286c 6f655820 2952286e
80000003 55504320 20202020 20202020 45202020
80000004 30323635 20402020 30342e32 007a4847
80000005 00000000 00000000 00000000 00000000
80000006 00000000 00000000 01006040 00000000
80000007 00000000 00000000 00000000 00000100
80000008 00003028 00000000 00000000 00000000

Vendor ID: "GenuineIntel"; CPUID level 11

Intel-specific functions:
Version 000206c2:
Type 0 - Original OEM
Family 6 - Pentium Pro
Model 12 - 
Stepping 2
Reserved 8

Extended brand string: "Intel(R) Xeon(R) CPU           E5620  @ 2.40GHz"
CLFLUSH instruction cache line size: 8
Initial APIC ID: 2
Hyper threading siblings: 32

Feature flags bfebfbff:
FPU    Floating Point Unit
VME    Virtual 8086 Mode Enhancements
DE     Debugging Extensions
PSE    Page Size Extensions
TSC    Time Stamp Counter
MSR    Model Specific Registers
PAE    Physical Address Extension
MCE    Machine Check Exception
CX8    COMPXCHG8B Instruction
APIC   On-chip Advanced Programmable Interrupt Controller present and enabled
SEP    Fast System Call
MTRR   Memory Type Range Registers
PGE    PTE Global Flag
MCA    Machine Check Architecture
CMOV   Conditional Move and Compare Instructions
FGPAT  Page Attribute Table
PSE-36 36-bit Page Size Extension
CLFSH  CFLUSH instruction
DS     Debug store
ACPI   Thermal Monitor and Clock Ctrl
MMX    MMX instruction set
FXSR   Fast FP/MMX Streaming SIMD Extensions save/restore
SSE    Streaming SIMD Extensions instruction set
SSE2   SSE2 extensions
SS     Self Snoop
HT     Hyper Threading
TM     Thermal monitor
31     reserved

TLB and cache info:
5a: unknown TLB/cache descriptor
03: Data TLB: 4KB pages, 4-way set assoc, 64 entries
55: unknown TLB/cache descriptor
ff: unknown TLB/cache descriptor
b2: unknown TLB/cache descriptor
f0: unknown TLB/cache descriptor
ca: unknown TLB/cache descriptor
Processor serial: 0002-06C2-0000-0000-0000-0000