CPU info

$ less /proc/cpuinfo

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 15
model           : 2
model name      : Intel(R) Pentium(R) 4 CPU 2.80GHz
stepping        : 5
microcode       : 0x2b
cpu MHz         : 2815.952
cache size      : 512 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 1
apicid          : 0
initial apicid  : 0
fdiv_bug        : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
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 pebs bts cid xtpr

$ lscpu
Architecture:          i686
CPU op-mode(s):        32-bit
Byte Order:            Little Endian
CPU(s):                2
On-line CPU(s) list:   0,1
Thread(s) per core:    2
Core(s) per socket:    1
Socket(s):             1
Vendor ID:             GenuineIntel
CPU family:            15
Model:                 2
Stepping:              5
CPU MHz:               2815.952
BogoMIPS:              5631.89

$ sudo lshw -class processor
  *-cpu
       description: CPU
       product: Intel(R) Pentium(R) 4 CPU 2.80GHz
       vendor: Intel Corp.
       physical id: 4
       bus info: cpu@0
       version: 15.2.5
       slot: CPUSocket
       size: 2800MHz
       capacity: 2800MHz
       width: 32 bits
       clock: 200MHz
       capabilities: boot 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 pebs bts cid xtpr
       configuration: id=0
     *-logicalcpu:0
          description: Logical CPU
          physical id: 0.1
          width: 32 bits
          capabilities: logical
     *-logicalcpu:1
          description: Logical CPU
          physical id: 0.2
          width: 32 bits
          capabilities: logical

$ cpuid
CPU 0:
   vendor_id = "GenuineIntel"
   version information (1/eax):
      processor type  = primary processor (0)
      family          = Intel Pentium 4/Pentium D/Pentium Extreme Edition/Celeron/Xeon/Xeon MP/Itanium2, AMD Athlon 64/Athlon XP-M/Opteron/Sempron/Turion (15)
      model           = 0x2 (2)
      stepping id     = 0x5 (5)
      extended family = 0x0 (0)
      extended model  = 0x0 (0)
      (simple synth)  = Intel Pentium 4 (Northwood B1/M0) / Xeon (Prestonia B1) / Xeon MP (Gallatin B1), .13um
   miscellaneous (1/ebx):
      process local APIC physical ID = 0x0 (0)
      cpu count                      = 0x2 (2)
      CLFLUSH line size              = 0x8 (8)
      brand index                    = 0x9 (9)
   brand id = 0x09 (9): Intel Pentium 4, .13um
   feature information (1/edx):
      x87 FPU on chip                        = true
      virtual-8086 mode enhancement          = true
      debugging extensions                   = true
      page size extensions                   = true
      time stamp counter                     = true
      RDMSR and WRMSR support                = true
      physical address extensions            = true
      machine check exception                = true
      CMPXCHG8B inst.                        = true
      APIC on chip                           = true
      SYSENTER and SYSEXIT                   = true
      memory type range registers            = true
      PTE global bit                         = true
      machine check architecture             = true
      conditional move/compare instruction   = true
      page attribute table                   = true
      page size extension                    = true
      processor serial number                = false
      CLFLUSH instruction                    = true
      debug store                            = true
      thermal monitor and clock ctrl         = true
      MMX Technology                         = true
      FXSAVE/FXRSTOR                         = true
      SSE extensions                         = true
      SSE2 extensions                        = true
      self snoop                             = true
      hyper-threading / multi-core supported = true
      therm. monitor                         = true
      IA64                                   = false
      pending break event                    = true
   feature information (1/ecx):
      PNI/SSE3: Prescott New Instructions     = false
      PCLMULDQ instruction                    = false
      64-bit debug store                      = false
      MONITOR/MWAIT                           = false
      CPL-qualified debug store               = false
      VMX: virtual machine extensions         = false
      SMX: safer mode extensions              = false
      Enhanced Intel SpeedStep Technology     = false
      thermal monitor 2                       = false
      SSSE3 extensions                        = false
      context ID: adaptive or shared L1 data  = true
      FMA instruction                         = false
      CMPXCHG16B instruction                  = false
      xTPR disable                            = true
      perfmon and debug                       = false
      process context identifiers             = false
      direct cache access                     = false
      SSE4.1 extensions                       = false
      SSE4.2 extensions                       = false
      extended xAPIC support                  = false
      MOVBE instruction                       = false
      POPCNT instruction                      = false
      time stamp counter deadline             = false
      AES instruction                         = false
      XSAVE/XSTOR states                      = false
      OS-enabled XSAVE/XSTOR                  = false
      AVX: advanced vector extensions         = false
      F16C half-precision convert instruction = false
      RDRAND instruction                      = false
      hypervisor guest status                 = false
   cache and TLB information (2):
      0x50: instruction TLB: 4K & 2M/4M pages, 64 entries
      0x5b: data TLB: 4K & 4M pages, 64 entries
      0x66: L1 data cache: 8K, 4-way, 64 byte lines
      0x40: No L3 cache
      0x70: Trace cache: 12K-uop, 8-way
      0x7b: L2 cache: 512K, 8-way, sectored, 64 byte lines
   extended feature flags (0x80000001/edx):
      SYSCALL and SYSRET instructions        = false
      execution disable                      = false
      1-GB large page support                = false
      RDTSCP                                 = false
      64-bit extensions technology available = false
   Intel feature flags (0x80000001/ecx):
      LAHF/SAHF supported in 64-bit mode     = false
      LZCNT advanced bit manipulation        = false
      3DNow! PREFETCH/PREFETCHW instructions = false
   brand = "              Intel(R) Pentium(R) 4 CPU 2.80GHz"
   (multi-processing synth): hyper-threaded (t=2)
   (multi-processing method): Intel leaf 1
   (synth) = Intel Pentium 4 (Northwood B1/M0), .13um
CPU 1:
   vendor_id = "GenuineIntel"
   version information (1/eax):
      processor type  = primary processor (0)
      family          = Intel Pentium 4/Pentium D/Pentium Extreme Edition/Celeron/Xeon/Xeon MP/Itanium2, AMD Athlon 64/Athlon XP-M/Opteron/Sempron/Turion (15)
      model           = 0x2 (2)
      stepping id     = 0x5 (5)
      extended family = 0x0 (0)
      extended model  = 0x0 (0)
      (simple synth)  = Intel Pentium 4 (Northwood B1/M0) / Xeon (Prestonia B1) / Xeon MP (Gallatin B1), .13um
   miscellaneous (1/ebx):
      process local APIC physical ID = 0x1 (1)
      cpu count                      = 0x2 (2)
      CLFLUSH line size              = 0x8 (8)
      brand index                    = 0x9 (9)
   brand id = 0x09 (9): Intel Pentium 4, .13um
   feature information (1/edx):
      x87 FPU on chip                        = true
      virtual-8086 mode enhancement          = true
      debugging extensions                   = true
      page size extensions                   = true
      time stamp counter                     = true
      RDMSR and WRMSR support                = true
      physical address extensions            = true
      machine check exception                = true
      CMPXCHG8B inst.                        = true
      APIC on chip                           = true
      SYSENTER and SYSEXIT                   = true
      memory type range registers            = true
      PTE global bit                         = true
      machine check architecture             = true
      conditional move/compare instruction   = true
      page attribute table                   = true
      page size extension                    = true
      processor serial number                = false
      CLFLUSH instruction                    = true
      debug store                            = true
      thermal monitor and clock ctrl         = true
      MMX Technology                         = true
      FXSAVE/FXRSTOR                         = true
      SSE extensions                         = true
      SSE2 extensions                        = true
      self snoop                             = true
      hyper-threading / multi-core supported = true
      therm. monitor                         = true
      IA64                                   = false
      pending break event                    = true
   feature information (1/ecx):
      PNI/SSE3: Prescott New Instructions     = false
      PCLMULDQ instruction                    = false
      64-bit debug store                      = false
      MONITOR/MWAIT                           = false
      CPL-qualified debug store               = false
      VMX: virtual machine extensions         = false
      SMX: safer mode extensions              = false
      Enhanced Intel SpeedStep Technology     = false
      thermal monitor 2                       = false
      SSSE3 extensions                        = false
      context ID: adaptive or shared L1 data  = true
      FMA instruction                         = false
      CMPXCHG16B instruction                  = false
      xTPR disable                            = true
      perfmon and debug                       = false
      process context identifiers             = false
      direct cache access                     = false
      SSE4.1 extensions                       = false
      SSE4.2 extensions                       = false
      extended xAPIC support                  = false
      MOVBE instruction                       = false
      POPCNT instruction                      = false
      time stamp counter deadline             = false
      AES instruction                         = false
      XSAVE/XSTOR states                      = false
      OS-enabled XSAVE/XSTOR                  = false
      AVX: advanced vector extensions         = false
      F16C half-precision convert instruction = false
      RDRAND instruction                      = false
      hypervisor guest status                 = false
   cache and TLB information (2):
      0x50: instruction TLB: 4K & 2M/4M pages, 64 entries
      0x5b: data TLB: 4K & 4M pages, 64 entries
      0x66: L1 data cache: 8K, 4-way, 64 byte lines
      0x40: No L3 cache
      0x70: Trace cache: 12K-uop, 8-way
      0x7b: L2 cache: 512K, 8-way, sectored, 64 byte lines
   extended feature flags (0x80000001/edx):
      SYSCALL and SYSRET instructions        = false
      execution disable                      = false
      1-GB large page support                = false
      RDTSCP                                 = false
      64-bit extensions technology available = false
   Intel feature flags (0x80000001/ecx):
      LAHF/SAHF supported in 64-bit mode     = false
      LZCNT advanced bit manipulation        = false
      3DNow! PREFETCH/PREFETCHW instructions = false
   brand = "              Intel(R) Pentium(R) 4 CPU 2.80GHz"
   (multi-processing synth): hyper-threaded (t=2)
   (multi-processing method): Intel leaf 1
   (synth) = Intel Pentium 4 (Northwood B1/M0), .13um