[patch 00/37] cpu/hotplug, x86: Reworked parallel CPU bringup

Paul Menzel pmenzel at molgen.mpg.de
Tue Apr 18 13:10:13 PDT 2023


Dear Thomas,


Am 18.04.23 um 10:40 schrieb Thomas Gleixner:
> On Tue, Apr 18 2023 at 08:58, Thomas Gleixner wrote:
>> On Mon, Apr 17 2023 at 19:40, Paul Menzel wrote:
>>> Am 17.04.23 um 16:48 schrieb Thomas Gleixner:
>>>
>>>> On Mon, Apr 17 2023 at 13:19, Paul Menzel wrote:
>>>>> Am 15.04.23 um 01:44 schrieb Thomas Gleixner:
>>>>> [    0.258193] smpboot: CPU0: AMD A6-6400K APU with Radeon(tm) HD Graphics (family: 0x15, model: 0x13, stepping: 0x1)
>>>>> […]
>>>>> [    0.259329] smp: Bringing up secondary CPUs ...
>>>>> [    0.259527] x86: Booting SMP configuration:
>>>>> [    0.259528] .... node  #0, CPUs:      #1
>>>>> [    0.261007] After schedule_preempt_disabled
>>>>> [   10.260990] CPU1 failed to report alive state
>>>>
>>>> Weird. CPU1 fails to come up and report that it has reached the
>>>> synchronization point.
>>>>
>>>> Does it work when you add cpuhp.parallel=off on the kernel command line?
>>>
>>> Yes, the ten seconds delay is gone with `cpuhp.parallel=off`.
>>>
>>> There was a patch set in the past, that worked on that device. I think
>>> up to v4 it did *not* work at all and hung [1]. I need some days to
>>> collect the results again.
>>
>> Can you please apply the patch below on top of the pile remove the
>> command line option again?
> 
> Bah. That patch does not make any sense at all. Not enough coffee.
> 
> Can you please provide the output of cpuid?

Of course. Here the top, and the whole output is attached.

```
CPU 0:
    vendor_id = "AuthenticAMD"
    version information (1/eax):
       processor type  = primary processor (0)
       family          = 0xf (15)
       model           = 0x3 (3)
       stepping id     = 0x1 (1)
       extended family = 0x6 (6)
       extended model  = 0x1 (1)
       (family synth)  = 0x15 (21)
       (model synth)   = 0x13 (19)
       (simple synth)  = AMD (unknown type) (Richland RL-A1) 
[Piledriver], 32nm
[…]
```


Kind regards,

Paul
-------------- next part --------------
CPU 0:
   vendor_id = "AuthenticAMD"
   version information (1/eax):
      processor type  = primary processor (0)
      family          = 0xf (15)
      model           = 0x3 (3)
      stepping id     = 0x1 (1)
      extended family = 0x6 (6)
      extended model  = 0x1 (1)
      (family synth)  = 0x15 (21)
      (model synth)   = 0x13 (19)
      (simple synth)  = AMD (unknown type) (Richland RL-A1) [Piledriver], 32nm
   miscellaneous (1/ebx):
      process local APIC physical ID = 0x0 (0)
      maximum IDs for CPUs in pkg    = 0x2 (2)
      CLFLUSH line size              = 0x8 (8)
      brand index                    = 0x0 (0)
   brand id = 0x00 (0): unknown
   feature information (1/edx):
      x87 FPU on chip                        = true
      VME: virtual-8086 mode enhancement     = true
      DE: debugging extensions               = true
      PSE: page size extensions              = true
      TSC: time stamp counter                = true
      RDMSR and WRMSR support                = true
      PAE: physical address extensions       = true
      MCE: machine check exception           = true
      CMPXCHG8B inst.                        = true
      APIC on chip                           = true
      SYSENTER and SYSEXIT                   = true
      MTRR: memory type range registers      = true
      PTE global bit                         = true
      MCA: machine check architecture        = true
      CMOV: conditional move/compare instr   = true
      PAT: page attribute table              = true
      PSE-36: page size extension            = true
      PSN: processor serial number           = false
      CLFLUSH instruction                    = true
      DS: debug store                        = false
      ACPI: thermal monitor and clock ctrl   = false
      MMX Technology                         = true
      FXSAVE/FXRSTOR                         = true
      SSE extensions                         = true
      SSE2 extensions                        = true
      SS: self snoop                         = false
      hyper-threading / multi-core supported = true
      TM: therm. monitor                     = false
      IA64                                   = false
      PBE: pending break event               = false
   feature information (1/ecx):
      PNI/SSE3: Prescott New Instructions     = true
      PCLMULDQ instruction                    = true
      DTES64: 64-bit debug store              = false
      MONITOR/MWAIT                           = true
      CPL-qualified debug store               = false
      VMX: virtual machine extensions         = false
      SMX: safer mode extensions              = false
      Enhanced Intel SpeedStep Technology     = false
      TM2: thermal monitor 2                  = false
      SSSE3 extensions                        = true
      context ID: adaptive or shared L1 data  = false
      SDBG: IA32_DEBUG_INTERFACE              = false
      FMA instruction                         = true
      CMPXCHG16B instruction                  = true
      xTPR disable                            = false
      PDCM: perfmon and debug                 = false
      PCID: process context identifiers       = false
      DCA: direct cache access                = false
      SSE4.1 extensions                       = true
      SSE4.2 extensions                       = true
      x2APIC: extended xAPIC support          = false
      MOVBE instruction                       = false
      POPCNT instruction                      = true
      time stamp counter deadline             = false
      AES instruction                         = true
      XSAVE/XSTOR states                      = true
      OS-enabled XSAVE/XSTOR                  = true
      AVX: advanced vector extensions         = true
      F16C half-precision convert instruction = true
      RDRAND instruction                      = false
      hypervisor guest status                 = false
   cache and TLB information (2):
   processor serial number = 0061-0F31-0000-0000-0000-0000
   deterministic cache parameters (4):
      --- cache 0 ---
      cache type                         = no more caches (0)
   MONITOR/MWAIT (5):
      smallest monitor-line size (bytes)       = 0x40 (64)
      largest monitor-line size (bytes)        = 0x40 (64)
      enum of Monitor-MWAIT exts supported     = true
      supports intrs as break-event for MWAIT  = true
      number of C0 sub C-states using MWAIT    = 0x0 (0)
      number of C1 sub C-states using MWAIT    = 0x0 (0)
      number of C2 sub C-states using MWAIT    = 0x0 (0)
      number of C3 sub C-states using MWAIT    = 0x0 (0)
      number of C4 sub C-states using MWAIT    = 0x0 (0)
      number of C5 sub C-states using MWAIT    = 0x0 (0)
      number of C6 sub C-states using MWAIT    = 0x0 (0)
      number of C7 sub C-states using MWAIT    = 0x0 (0)
   Thermal and Power Management Features (6):
      digital thermometer                     = false
      Intel Turbo Boost Technology            = false
      ARAT always running APIC timer          = false
      PLN power limit notification            = false
      ECMD extended clock modulation duty     = false
      PTM package thermal management          = false
      HWP base registers                      = false
      HWP notification                        = false
      HWP activity window                     = false
      HWP energy performance preference       = false
      HWP package level request               = false
      HDC base registers                      = false
      Intel Turbo Boost Max Technology 3.0    = false
      HWP capabilities                        = false
      HWP PECI override                       = false
      flexible HWP                            = false
      IA32_HWP_REQUEST MSR fast access mode   = false
      HW_FEEDBACK MSRs supported              = false
      ignoring idle logical processor HWP req = false
      Thread Director                         = false
      IA32_HW_FEEDBACK_THREAD_CONFIG bit 25   = false
      digital thermometer thresholds          = 0x0 (0)
      hardware coordination feedback          = true
      ACNT2 available                         = false
      performance-energy bias capability      = false
      number of enh hardware feedback classes = 0x0 (0)
      performance capability reporting        = false
      energy efficiency capability reporting  = false
      size of feedback struct (4KB pages)     = 0x1 (1)
      index of CPU's row in feedback struct   = 0x0 (0)
   extended feature flags (7):
      FSGSBASE instructions                    = false
      IA32_TSC_ADJUST MSR supported            = false
      SGX: Software Guard Extensions supported = false
      BMI1 instructions                        = true
      HLE hardware lock elision                = false
      AVX2: advanced vector extensions 2       = false
      FDP_EXCPTN_ONLY                          = false
      SMEP supervisor mode exec protection     = false
      BMI2 instructions                        = false
      enhanced REP MOVSB/STOSB                 = false
      INVPCID instruction                      = false
      RTM: restricted transactional memory     = false
      RDT-CMT/PQoS cache monitoring            = false
      deprecated FPU CS/DS                     = false
      MPX: intel memory protection extensions  = false
      RDT-CAT/PQE cache allocation             = false
      AVX512F: AVX-512 foundation instructions = false
      AVX512DQ: double & quadword instructions = false
      RDSEED instruction                       = false
      ADX instructions                         = false
      SMAP: supervisor mode access prevention  = false
      AVX512IFMA: integer fused multiply add   = false
      PCOMMIT instruction                      = false
      CLFLUSHOPT instruction                   = false
      CLWB instruction                         = false
      Intel processor trace                    = false
      AVX512PF: prefetch instructions          = false
      AVX512ER: exponent & reciprocal instrs   = false
      AVX512CD: conflict detection instrs      = false
      SHA instructions                         = false
      AVX512BW: byte & word instructions       = false
      AVX512VL: vector length                  = false
      PREFETCHWT1                              = false
      AVX512VBMI: vector byte manipulation     = false
      UMIP: user-mode instruction prevention   = false
      PKU protection keys for user-mode        = false
      OSPKE CR4.PKE and RDPKRU/WRPKRU          = false
      WAITPKG instructions                     = false
      AVX512_VBMI2: byte VPCOMPRESS, VPEXPAND  = false
      CET_SS: CET shadow stack                 = false
      GFNI: Galois Field New Instructions      = false
      VAES instructions                        = false
      VPCLMULQDQ instruction                   = false
      AVX512_VNNI: neural network instructions = false
      AVX512_BITALG: bit count/shiffle         = false
      TME: Total Memory Encryption             = false
      AVX512: VPOPCNTDQ instruction            = false
      LA57: 57-bit addrs & 5-level paging      = false
      BNDLDX/BNDSTX MAWAU value in 64-bit mode = 0x0 (0)
      RDPID: read processor ID supported       = false
      KL: key locker                           = false
      bus lock detection                       = false
      CLDEMOTE supports cache line demote      = false
      MOVDIRI instruction                      = false
      MOVDIR64B instruction                    = false
      ENQCMD instruction                       = false
      SGX_LC: SGX launch config supported      = false
      PKS: supervisor protection keys          = false
      SGX-KEYS: SGX attestation services       = false
      AVX512_4VNNIW: neural network instrs     = false
      AVX512_4FMAPS: multiply acc single prec  = false
      fast short REP MOV                       = false
      UINTR: user interrupts                   = false
      AVX512_VP2INTERSECT: intersect mask regs = false
      IA32_MCU_OPT_CTRL SRBDS mitigation MSR   = false
      VERW MD_CLEAR microcode support          = false
      RTM transaction always aborts            = false
      IA32_TSX_FORCE_ABORT MSR                 = false
      SERIALIZE instruction                    = false
      hybrid part                              = false
      TSXLDTRK: TSX suspend load addr tracking = false
      PCONFIG instruction                      = false
      LBR: architectural last branch records   = false
      CET_IBT: CET indirect branch tracking    = false
      AMX-BF16: tile bfloat16 support          = false
      AVX512_FP16: fp16 support                = false
      AMX-TILE: tile architecture support      = false
      AMX-INT8: tile 8-bit integer support     = false
      IBRS/IBPB: indirect branch restrictions  = false
      STIBP: 1 thr indirect branch predictor   = false
      L1D_FLUSH: IA32_FLUSH_CMD MSR            = false
      IA32_ARCH_CAPABILITIES MSR               = false
      IA32_CORE_CAPABILITIES MSR               = false
      SSBD: speculative store bypass disable   = false
   Direct Cache Access Parameters (9):
      PLATFORM_DCA_CAP MSR bits = 0
   Architecture Performance Monitoring Features (0xa):
      version ID                               = 0x0 (0)
      number of counters per logical processor = 0x0 (0)
      bit width of counter                     = 0x0 (0)
      length of EBX bit vector                 = 0x0 (0)
      core cycle event                         = not available
      instruction retired event                = not available
      reference cycles event                   = not available
      last-level cache ref event               = not available
      last-level cache miss event              = not available
      branch inst retired event                = not available
      branch mispred retired event             = not available
      top-down slots event                     = not available
      fixed counter  0 supported               = false
      fixed counter  1 supported               = false
      fixed counter  2 supported               = false
      fixed counter  3 supported               = false
      fixed counter  4 supported               = false
      fixed counter  5 supported               = false
      fixed counter  6 supported               = false
      fixed counter  7 supported               = false
      fixed counter  8 supported               = false
      fixed counter  9 supported               = false
      fixed counter 10 supported               = false
      fixed counter 11 supported               = false
      fixed counter 12 supported               = false
      fixed counter 13 supported               = false
      fixed counter 14 supported               = false
      fixed counter 15 supported               = false
      fixed counter 16 supported               = false
      fixed counter 17 supported               = false
      fixed counter 18 supported               = false
      fixed counter 19 supported               = false
      fixed counter 20 supported               = false
      fixed counter 21 supported               = false
      fixed counter 22 supported               = false
      fixed counter 23 supported               = false
      fixed counter 24 supported               = false
      fixed counter 25 supported               = false
      fixed counter 26 supported               = false
      fixed counter 27 supported               = false
      fixed counter 28 supported               = false
      fixed counter 29 supported               = false
      fixed counter 30 supported               = false
      fixed counter 31 supported               = false
      number of contiguous fixed counters      = 0x0 (0)
      bit width of fixed counters              = 0x0 (0)
      anythread deprecation                    = false
   x2APIC features / processor topology (0xb):
      extended APIC ID                      = 0
      --- level 0 ---
      level number                          = 0x0 (0)
      level type                            = invalid (0)
      bit width of level                    = 0x0 (0)
      number of logical processors at level = 0x0 (0)
   XSAVE features (0xd/0):
      XCR0 valid bit field mask               = 0x4000000000000007
         x87 state                            = true
         SSE state                            = true
         AVX state                            = true
         MPX BNDREGS                          = false
         MPX BNDCSR                           = false
         AVX-512 opmask                       = false
         AVX-512 ZMM_Hi256                    = false
         AVX-512 Hi16_ZMM                     = false
         PKRU state                           = false
         XTILECFG state                       = false
         XTILEDATA state                      = false
      bytes required by fields in XCR0        = 0x00000340 (832)
      bytes required by XSAVE/XRSTOR area     = 0x000003c0 (960)
      XSAVEOPT instruction                    = false
      XSAVEC instruction                      = false
      XGETBV instruction                      = false
      XSAVES/XRSTORS instructions             = false
      XFD: extended feature disable supported = false
      SAVE area size in bytes                 = 0x00000000 (0)
      IA32_XSS valid bit field mask           = 0x0000000000000000
         PT state                             = false
         PASID state                          = false
         CET_U user state                     = false
         CET_S supervisor state               = false
         HDC state                            = false
         UINTR state                          = false
         LBR state                            = false
         HWP state                            = false
   AVX/YMM features (0xd/2):
      AVX/YMM save state byte size             = 0x00000100 (256)
      AVX/YMM save state byte offset           = 0x00000240 (576)
      supported in IA32_XSS or XCR0            = XCR0 (user state)
      64-byte alignment in compacted XSAVE     = false
      XFD faulting supported                   = false
   LWP features (0xd/0x3e):
      LWP save state byte size                 = 0x00000080 (128)
      LWP save state byte offset               = 0x00000340 (832)
      supported in IA32_XSS or XCR0            = XCR0 (user state)
      64-byte alignment in compacted XSAVE     = false
      XFD faulting supported                   = false
   extended processor signature (0x80000001/eax):
      family/generation = 0xf (15)
      model           = 0x3 (3)
      stepping id     = 0x1 (1)
      extended family = 0x6 (6)
      extended model  = 0x1 (1)
      (family synth)  = 0x15 (21)
      (model synth)   = 0x13 (19)
      (simple synth)  = AMD (unknown type) (Richland RL-A1) [Piledriver], 32nm
   extended feature flags (0x80000001/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
      SYSCALL and SYSRET instructions       = true
      memory type range registers           = true
      global paging extension               = true
      machine check architecture            = true
      conditional move/compare instruction  = true
      page attribute table                  = true
      page size extension                   = true
      multiprocessing capable               = false
      no-execute page protection            = true
      AMD multimedia instruction extensions = true
      MMX Technology                        = true
      FXSAVE/FXRSTOR                        = true
      SSE extensions                        = true
      1-GB large page support               = true
      RDTSCP                                = true
      long mode (AA-64)                     = true
      3DNow! instruction extensions         = false
      3DNow! instructions                   = false
   extended brand id (0x80000001/ebx):
      raw     = 0x20000000 (536870912)
      BrandId = 0x0 (0)
      PkgType = FM2 (PGA) (2)
   AMD feature flags (0x80000001/ecx):
      LAHF/SAHF supported in 64-bit mode     = true
      CMP Legacy                             = true
      SVM: secure virtual machine            = true
      extended APIC space                    = true
      AltMovCr8                              = true
      LZCNT advanced bit manipulation        = true
      SSE4A support                          = true
      misaligned SSE mode                    = true
      3DNow! PREFETCH/PREFETCHW instructions = true
      OS visible workaround                  = true
      instruction based sampling             = true
      XOP support                            = true
      SKINIT/STGI support                    = true
      watchdog timer support                 = true
      lightweight profiling support          = true
      4-operand FMA instruction              = true
      TCE: translation cache extension       = true
      NodeId MSR C001100C                    = true
      TBM support                            = true
      topology extensions                    = true
      core performance counter extensions    = true
      NB/DF performance counter extensions   = true
      data breakpoint extension              = false
      performance time-stamp counter support = false
      LLC performance counter extensions     = false
      MWAITX/MONITORX supported              = false
      Address mask extension support         = false
   brand = "AMD A6-6400K APU with Radeon(tm) HD Graphics   "
   L1 TLB/cache information: 2M/4M pages & L1 TLB (0x80000005/eax):
      instruction # entries     = 0x18 (24)
      instruction associativity = 0xff (255)
      data # entries            = 0x40 (64)
      data associativity        = 0xff (255)
   L1 TLB/cache information: 4K pages & L1 TLB (0x80000005/ebx):
      instruction # entries     = 0x30 (48)
      instruction associativity = 0xff (255)
      data # entries            = 0x40 (64)
      data associativity        = 0xff (255)
   L1 data cache information (0x80000005/ecx):
      line size (bytes) = 0x40 (64)
      lines per tag     = 0x1 (1)
      associativity     = 0x4 (4)
      size (KB)         = 0x10 (16)
   L1 instruction cache information (0x80000005/edx):
      line size (bytes) = 0x40 (64)
      lines per tag     = 0x1 (1)
      associativity     = 0x2 (2)
      size (KB)         = 0x40 (64)
   L2 TLB/cache information: 2M/4M pages & L2 TLB (0x80000006/eax):
      instruction # entries     = 0x400 (1024)
      instruction associativity = 8 to 15-way (6)
      data # entries            = 0x400 (1024)
      data associativity        = 8 to 15-way (6)
   L2 TLB/cache information: 4K pages & L2 TLB (0x80000006/ebx):
      instruction # entries     = 0x200 (512)
      instruction associativity = 4 to 5-way (4)
      data # entries            = 0x400 (1024)
      data associativity        = 8 to 15-way (6)
   L2 unified cache information (0x80000006/ecx):
      line size (bytes) = 0x40 (64)
      lines per tag     = 0x1 (1)
      associativity     = 16 to 31-way (8)
      size (KB)         = 0x400 (1024)
   L3 cache information (0x80000006/edx):
      line size (bytes)     = 0x0 (0)
      lines per tag         = 0x0 (0)
      associativity         = L2 off (0)
      size (in 512KB units) = 0x0 (0)
   RAS Capability (0x80000007/ebx):
      MCA overflow recovery support = false
      SUCCOR support                = false
      HWA: hardware assert support  = false
      scalable MCA support          = false
   Advanced Power Management Features (0x80000007/ecx):
      CmpUnitPwrSampleTimeRatio = 0x0 (0)
   Advanced Power Management Features (0x80000007/edx):
      TS: temperature sensing diode           = true
      FID: frequency ID control               = false
      VID: voltage ID control                 = false
      TTP: thermal trip                       = true
      TM: thermal monitor                     = true
      STC: software thermal control           = false
      100 MHz multiplier control              = true
      hardware P-State control                = true
      TscInvariant                            = true
      CPB: core performance boost             = true
      read-only effective frequency interface = true
      processor feedback interface            = false
      APM power reporting                     = false
      connected standby                       = false
      RAPL: running average power limit       = false
   Physical Address and Linear Address Size (0x80000008/eax):
      maximum physical address bits         = 0x30 (48)
      maximum linear (virtual) address bits = 0x30 (48)
      maximum guest physical address bits   = 0x0 (0)
   Extended Feature Extensions ID (0x80000008/ebx):
      CLZERO instruction                       = false
      instructions retired count support       = false
      always save/restore error pointers       = false
      INVLPGB instruction                      = false
      RDPRU instruction                        = false
      memory bandwidth enforcement             = false
      MCOMMIT instruction                      = false
      WBNOINVD instruction                     = false
      IBPB: indirect branch prediction barrier = true
      interruptible WBINVD, WBNOINVD           = false
      IBRS: indirect branch restr speculation  = false
      STIBP: 1 thr indirect branch predictor   = false
      CPU prefers: IBRS always on              = false
      CPU prefers: STIBP always on             = false
      IBRS preferred over software solution    = false
      IBRS provides same mode protection       = false
      EFER[LMSLE] not supported                = false
      INVLPGB supports TLB flush guest nested  = false
      ppin processor id number supported       = false
      SSBD: speculative store bypass disable   = false
      virtualized SSBD                         = false
      SSBD fixed in hardware                   = false
      CPPC: collaborative processor perf ctrl  = false
      PSFD: predictive store forward disable   = false
      not vulnerable to branch type confusion  = false
      branch sampling feature support          = false
      (vuln to branch type confusion synth)    = true
   Size Identifiers (0x80000008/ecx):
      number of CPU cores                 = 0x2 (2)
      ApicIdCoreIdSize                    = 0x4 (4)
      performance time-stamp counter size = 40 bits (0)
   Feature Extended Size (0x80000008/edx):
      max page count for INVLPGB instruction = 0x0 (0)
      RDPRU instruction max input support    = 0x0 (0)
   SVM Secure Virtual Machine (0x8000000a/eax):
      SvmRev: SVM revision = 0x1 (1)
   SVM Secure Virtual Machine (0x8000000a/edx):
      nested paging                           = true
      LBR virtualization                      = true
      SVM lock                                = true
      NRIP save                               = true
      MSR based TSC rate control              = true
      VMCB clean bits support                 = true
      flush by ASID                           = true
      decode assists                          = true
      SSSE3/SSE5 opcode set disable           = false
      pause intercept filter                  = true
      pause filter threshold                  = true
      AVIC: AMD virtual interrupt controller  = false
      virtualized VMLOAD/VMSAVE               = false
      virtualized global interrupt flag (GIF) = false
      GMET: guest mode execute trap           = false
      X2AVIC: virtualized X2APIC              = false
      supervisor shadow stack                 = false
      guest Spec_ctl support                  = false
      ROGPT: read-only guest page table       = false
      host MCE override                       = false
      INVLPGB/TLBSYNC hyperv interc enable    = false
      VNMI: NMI virtualization                = false
      IBS virtualization                      = false
      guest SVME addr check                   = false
   NASID: number of address space identifiers = 0x10000 (65536):
   L1 TLB information: 1G pages (0x80000019/eax):
      instruction # entries     = 0x18 (24)
      instruction associativity = full (15)
      data # entries            = 0x40 (64)
      data associativity        = full (15)
   L2 TLB information: 1G pages (0x80000019/ebx):
      instruction # entries     = 0x400 (1024)
      instruction associativity = 8 to 15-way (6)
      data # entries            = 0x400 (1024)
      data associativity        = 8 to 15-way (6)
   Performance Optimization Identifiers (0x8000001a/eax):
      128-bit SSE executed full-width = true
      MOVU* better than MOVL*/MOVH*   = true
      256-bit SSE executed full-width = false
   Instruction Based Sampling Identifiers (0x8000001b/eax):
      IBS feature flags valid                  = true
      IBS fetch sampling                       = true
      IBS execution sampling                   = true
      read write of op counter                 = true
      op counting mode                         = true
      branch target address reporting          = true
      IbsOpCurCnt and IbsOpMaxCnt extend 7     = true
      invalid RIP indication support           = true
      fused branch micro-op indication support = false
      IBS fetch control extended MSR support   = false
      IBS op data 4 MSR support                = false
      IBS L3 miss filtering support            = false
   Lightweight Profiling Capabilities: Availability (0x8000001c/eax):
      lightweight profiling                  = false
      LWPVAL instruction                     = false
      instruction retired event              = false
      branch retired event                   = false
      DC miss event                          = false
      core clocks not halted event           = false
      core reference clocks not halted event = false
      continuous mode sampling               = false
      tsc in event record                    = false
      interrupt on threshold overflow        = false
   Lightweight Profiling Capabilities: Supported (0x8000001c/edx):
      lightweight profiling                  = true
      LWPVAL instruction                     = true
      instruction retired event              = true
      branch retired event                   = true
      DC miss event                          = false
      core clocks not halted event           = false
      core reference clocks not halted event = false
      continuous mode sampling               = false
      tsc in event record                    = false
      interrupt on threshold overflow        = true
   Lightweight Profiling Capabilities (0x8000001c/ebx):
      LWPCB byte size             = 0x13 (19)
      event record byte size      = 0x20 (32)
      maximum EventId             = 0x3 (3)
      EventInterval1 field offset = 0x80 (128)
   Lightweight Profiling Capabilities (0x8000001c/ecx):
      latency counter bit size          = 0x0 (0)
      data cache miss address valid     = false
      amount cache latency is rounded   = 0x0 (0)
      LWP implementation version        = 0x1 (1)
      event ring buffer size in records = 0x1 (1)
      branch prediction filtering       = false
      IP filtering                      = false
      cache level filtering             = false
      cache latency filteing            = false
   Cache Properties (0x8000001d):
      --- cache 0 ---
      type                            = data (1)
      level                           = 0x1 (1)
      self-initializing               = true
      fully associative               = false
      extra cores sharing this cache  = 0x0 (0)
      line size in bytes              = 0x40 (64)
      physical line partitions        = 0x1 (1)
      number of ways                  = 0x4 (4)
      number of sets                  = 64
      write-back invalidate           = false
      cache inclusive of lower levels = false
      (synth size)                    = 16384 (16 KB)
      --- cache 1 ---
      type                            = instruction (2)
      level                           = 0x1 (1)
      self-initializing               = true
      fully associative               = false
      extra cores sharing this cache  = 0x1 (1)
      line size in bytes              = 0x40 (64)
      physical line partitions        = 0x1 (1)
      number of ways                  = 0x2 (2)
      number of sets                  = 512
      write-back invalidate           = false
      cache inclusive of lower levels = false
      (synth size)                    = 65536 (64 KB)
      --- cache 2 ---
      type                            = unified (3)
      level                           = 0x2 (2)
      self-initializing               = true
      fully associative               = false
      extra cores sharing this cache  = 0x1 (1)
      line size in bytes              = 0x40 (64)
      physical line partitions        = 0x1 (1)
      number of ways                  = 0x10 (16)
      number of sets                  = 1024
      write-back invalidate           = true
      cache inclusive of lower levels = false
      (synth size)                    = 1048576 (1024 KB)
   extended APIC ID = 16
   Compute Unit Identifiers (0x8000001e/ebx):
      compute unit ID        = 0x0 (0)
      cores per compute unit = 0x2 (2)
   Node Identifiers (0x8000001e/ecx):
      node ID             = 0x0 (0)
      nodes per processor = 0x1 (1)
   (instruction supported synth):
      CMPXCHG8B                = true
      conditional move/compare = true
      PREFETCH/PREFETCHW       = true
   (multi-processing synth) = multi-core (c=2)
   (multi-processing method) = AMD
   (APIC widths synth): CORE_width=1 SMT_width=0
   (APIC synth): PKG_ID=0 CORE_ID=0 SMT_ID=0
   (uarch synth) = AMD Piledriver, 32nm
   (synth) = AMD A-Series (Richland RL-A1) [Piledriver], 32nm
CPU 1:
   vendor_id = "AuthenticAMD"
   version information (1/eax):
      processor type  = primary processor (0)
      family          = 0xf (15)
      model           = 0x3 (3)
      stepping id     = 0x1 (1)
      extended family = 0x6 (6)
      extended model  = 0x1 (1)
      (family synth)  = 0x15 (21)
      (model synth)   = 0x13 (19)
      (simple synth)  = AMD (unknown type) (Richland RL-A1) [Piledriver], 32nm
   miscellaneous (1/ebx):
      process local APIC physical ID = 0x1 (1)
      maximum IDs for CPUs in pkg    = 0x2 (2)
      CLFLUSH line size              = 0x8 (8)
      brand index                    = 0x0 (0)
   brand id = 0x00 (0): unknown
   feature information (1/edx):
      x87 FPU on chip                        = true
      VME: virtual-8086 mode enhancement     = true
      DE: debugging extensions               = true
      PSE: page size extensions              = true
      TSC: time stamp counter                = true
      RDMSR and WRMSR support                = true
      PAE: physical address extensions       = true
      MCE: machine check exception           = true
      CMPXCHG8B inst.                        = true
      APIC on chip                           = true
      SYSENTER and SYSEXIT                   = true
      MTRR: memory type range registers      = true
      PTE global bit                         = true
      MCA: machine check architecture        = true
      CMOV: conditional move/compare instr   = true
      PAT: page attribute table              = true
      PSE-36: page size extension            = true
      PSN: processor serial number           = false
      CLFLUSH instruction                    = true
      DS: debug store                        = false
      ACPI: thermal monitor and clock ctrl   = false
      MMX Technology                         = true
      FXSAVE/FXRSTOR                         = true
      SSE extensions                         = true
      SSE2 extensions                        = true
      SS: self snoop                         = false
      hyper-threading / multi-core supported = true
      TM: therm. monitor                     = false
      IA64                                   = false
      PBE: pending break event               = false
   feature information (1/ecx):
      PNI/SSE3: Prescott New Instructions     = true
      PCLMULDQ instruction                    = true
      DTES64: 64-bit debug store              = false
      MONITOR/MWAIT                           = true
      CPL-qualified debug store               = false
      VMX: virtual machine extensions         = false
      SMX: safer mode extensions              = false
      Enhanced Intel SpeedStep Technology     = false
      TM2: thermal monitor 2                  = false
      SSSE3 extensions                        = true
      context ID: adaptive or shared L1 data  = false
      SDBG: IA32_DEBUG_INTERFACE              = false
      FMA instruction                         = true
      CMPXCHG16B instruction                  = true
      xTPR disable                            = false
      PDCM: perfmon and debug                 = false
      PCID: process context identifiers       = false
      DCA: direct cache access                = false
      SSE4.1 extensions                       = true
      SSE4.2 extensions                       = true
      x2APIC: extended xAPIC support          = false
      MOVBE instruction                       = false
      POPCNT instruction                      = true
      time stamp counter deadline             = false
      AES instruction                         = true
      XSAVE/XSTOR states                      = true
      OS-enabled XSAVE/XSTOR                  = true
      AVX: advanced vector extensions         = true
      F16C half-precision convert instruction = true
      RDRAND instruction                      = false
      hypervisor guest status                 = false
   cache and TLB information (2):
   processor serial number = 0061-0F31-0000-0000-0000-0000
   deterministic cache parameters (4):
      --- cache 0 ---
      cache type                         = no more caches (0)
   MONITOR/MWAIT (5):
      smallest monitor-line size (bytes)       = 0x40 (64)
      largest monitor-line size (bytes)        = 0x40 (64)
      enum of Monitor-MWAIT exts supported     = true
      supports intrs as break-event for MWAIT  = true
      number of C0 sub C-states using MWAIT    = 0x0 (0)
      number of C1 sub C-states using MWAIT    = 0x0 (0)
      number of C2 sub C-states using MWAIT    = 0x0 (0)
      number of C3 sub C-states using MWAIT    = 0x0 (0)
      number of C4 sub C-states using MWAIT    = 0x0 (0)
      number of C5 sub C-states using MWAIT    = 0x0 (0)
      number of C6 sub C-states using MWAIT    = 0x0 (0)
      number of C7 sub C-states using MWAIT    = 0x0 (0)
   Thermal and Power Management Features (6):
      digital thermometer                     = false
      Intel Turbo Boost Technology            = false
      ARAT always running APIC timer          = false
      PLN power limit notification            = false
      ECMD extended clock modulation duty     = false
      PTM package thermal management          = false
      HWP base registers                      = false
      HWP notification                        = false
      HWP activity window                     = false
      HWP energy performance preference       = false
      HWP package level request               = false
      HDC base registers                      = false
      Intel Turbo Boost Max Technology 3.0    = false
      HWP capabilities                        = false
      HWP PECI override                       = false
      flexible HWP                            = false
      IA32_HWP_REQUEST MSR fast access mode   = false
      HW_FEEDBACK MSRs supported              = false
      ignoring idle logical processor HWP req = false
      Thread Director                         = false
      IA32_HW_FEEDBACK_THREAD_CONFIG bit 25   = false
      digital thermometer thresholds          = 0x0 (0)
      hardware coordination feedback          = true
      ACNT2 available                         = false
      performance-energy bias capability      = false
      number of enh hardware feedback classes = 0x0 (0)
      performance capability reporting        = false
      energy efficiency capability reporting  = false
      size of feedback struct (4KB pages)     = 0x1 (1)
      index of CPU's row in feedback struct   = 0x0 (0)
   extended feature flags (7):
      FSGSBASE instructions                    = false
      IA32_TSC_ADJUST MSR supported            = false
      SGX: Software Guard Extensions supported = false
      BMI1 instructions                        = true
      HLE hardware lock elision                = false
      AVX2: advanced vector extensions 2       = false
      FDP_EXCPTN_ONLY                          = false
      SMEP supervisor mode exec protection     = false
      BMI2 instructions                        = false
      enhanced REP MOVSB/STOSB                 = false
      INVPCID instruction                      = false
      RTM: restricted transactional memory     = false
      RDT-CMT/PQoS cache monitoring            = false
      deprecated FPU CS/DS                     = false
      MPX: intel memory protection extensions  = false
      RDT-CAT/PQE cache allocation             = false
      AVX512F: AVX-512 foundation instructions = false
      AVX512DQ: double & quadword instructions = false
      RDSEED instruction                       = false
      ADX instructions                         = false
      SMAP: supervisor mode access prevention  = false
      AVX512IFMA: integer fused multiply add   = false
      PCOMMIT instruction                      = false
      CLFLUSHOPT instruction                   = false
      CLWB instruction                         = false
      Intel processor trace                    = false
      AVX512PF: prefetch instructions          = false
      AVX512ER: exponent & reciprocal instrs   = false
      AVX512CD: conflict detection instrs      = false
      SHA instructions                         = false
      AVX512BW: byte & word instructions       = false
      AVX512VL: vector length                  = false
      PREFETCHWT1                              = false
      AVX512VBMI: vector byte manipulation     = false
      UMIP: user-mode instruction prevention   = false
      PKU protection keys for user-mode        = false
      OSPKE CR4.PKE and RDPKRU/WRPKRU          = false
      WAITPKG instructions                     = false
      AVX512_VBMI2: byte VPCOMPRESS, VPEXPAND  = false
      CET_SS: CET shadow stack                 = false
      GFNI: Galois Field New Instructions      = false
      VAES instructions                        = false
      VPCLMULQDQ instruction                   = false
      AVX512_VNNI: neural network instructions = false
      AVX512_BITALG: bit count/shiffle         = false
      TME: Total Memory Encryption             = false
      AVX512: VPOPCNTDQ instruction            = false
      LA57: 57-bit addrs & 5-level paging      = false
      BNDLDX/BNDSTX MAWAU value in 64-bit mode = 0x0 (0)
      RDPID: read processor ID supported       = false
      KL: key locker                           = false
      bus lock detection                       = false
      CLDEMOTE supports cache line demote      = false
      MOVDIRI instruction                      = false
      MOVDIR64B instruction                    = false
      ENQCMD instruction                       = false
      SGX_LC: SGX launch config supported      = false
      PKS: supervisor protection keys          = false
      SGX-KEYS: SGX attestation services       = false
      AVX512_4VNNIW: neural network instrs     = false
      AVX512_4FMAPS: multiply acc single prec  = false
      fast short REP MOV                       = false
      UINTR: user interrupts                   = false
      AVX512_VP2INTERSECT: intersect mask regs = false
      IA32_MCU_OPT_CTRL SRBDS mitigation MSR   = false
      VERW MD_CLEAR microcode support          = false
      RTM transaction always aborts            = false
      IA32_TSX_FORCE_ABORT MSR                 = false
      SERIALIZE instruction                    = false
      hybrid part                              = false
      TSXLDTRK: TSX suspend load addr tracking = false
      PCONFIG instruction                      = false
      LBR: architectural last branch records   = false
      CET_IBT: CET indirect branch tracking    = false
      AMX-BF16: tile bfloat16 support          = false
      AVX512_FP16: fp16 support                = false
      AMX-TILE: tile architecture support      = false
      AMX-INT8: tile 8-bit integer support     = false
      IBRS/IBPB: indirect branch restrictions  = false
      STIBP: 1 thr indirect branch predictor   = false
      L1D_FLUSH: IA32_FLUSH_CMD MSR            = false
      IA32_ARCH_CAPABILITIES MSR               = false
      IA32_CORE_CAPABILITIES MSR               = false
      SSBD: speculative store bypass disable   = false
   Direct Cache Access Parameters (9):
      PLATFORM_DCA_CAP MSR bits = 0
   Architecture Performance Monitoring Features (0xa):
      version ID                               = 0x0 (0)
      number of counters per logical processor = 0x0 (0)
      bit width of counter                     = 0x0 (0)
      length of EBX bit vector                 = 0x0 (0)
      core cycle event                         = not available
      instruction retired event                = not available
      reference cycles event                   = not available
      last-level cache ref event               = not available
      last-level cache miss event              = not available
      branch inst retired event                = not available
      branch mispred retired event             = not available
      top-down slots event                     = not available
      fixed counter  0 supported               = false
      fixed counter  1 supported               = false
      fixed counter  2 supported               = false
      fixed counter  3 supported               = false
      fixed counter  4 supported               = false
      fixed counter  5 supported               = false
      fixed counter  6 supported               = false
      fixed counter  7 supported               = false
      fixed counter  8 supported               = false
      fixed counter  9 supported               = false
      fixed counter 10 supported               = false
      fixed counter 11 supported               = false
      fixed counter 12 supported               = false
      fixed counter 13 supported               = false
      fixed counter 14 supported               = false
      fixed counter 15 supported               = false
      fixed counter 16 supported               = false
      fixed counter 17 supported               = false
      fixed counter 18 supported               = false
      fixed counter 19 supported               = false
      fixed counter 20 supported               = false
      fixed counter 21 supported               = false
      fixed counter 22 supported               = false
      fixed counter 23 supported               = false
      fixed counter 24 supported               = false
      fixed counter 25 supported               = false
      fixed counter 26 supported               = false
      fixed counter 27 supported               = false
      fixed counter 28 supported               = false
      fixed counter 29 supported               = false
      fixed counter 30 supported               = false
      fixed counter 31 supported               = false
      number of contiguous fixed counters      = 0x0 (0)
      bit width of fixed counters              = 0x0 (0)
      anythread deprecation                    = false
   x2APIC features / processor topology (0xb):
      extended APIC ID                      = 0
      --- level 0 ---
      level number                          = 0x0 (0)
      level type                            = invalid (0)
      bit width of level                    = 0x0 (0)
      number of logical processors at level = 0x0 (0)
   XSAVE features (0xd/0):
      XCR0 valid bit field mask               = 0x4000000000000007
         x87 state                            = true
         SSE state                            = true
         AVX state                            = true
         MPX BNDREGS                          = false
         MPX BNDCSR                           = false
         AVX-512 opmask                       = false
         AVX-512 ZMM_Hi256                    = false
         AVX-512 Hi16_ZMM                     = false
         PKRU state                           = false
         XTILECFG state                       = false
         XTILEDATA state                      = false
      bytes required by fields in XCR0        = 0x00000340 (832)
      bytes required by XSAVE/XRSTOR area     = 0x000003c0 (960)
      XSAVEOPT instruction                    = false
      XSAVEC instruction                      = false
      XGETBV instruction                      = false
      XSAVES/XRSTORS instructions             = false
      XFD: extended feature disable supported = false
      SAVE area size in bytes                 = 0x00000000 (0)
      IA32_XSS valid bit field mask           = 0x0000000000000000
         PT state                             = false
         PASID state                          = false
         CET_U user state                     = false
         CET_S supervisor state               = false
         HDC state                            = false
         UINTR state                          = false
         LBR state                            = false
         HWP state                            = false
   AVX/YMM features (0xd/2):
      AVX/YMM save state byte size             = 0x00000100 (256)
      AVX/YMM save state byte offset           = 0x00000240 (576)
      supported in IA32_XSS or XCR0            = XCR0 (user state)
      64-byte alignment in compacted XSAVE     = false
      XFD faulting supported                   = false
   LWP features (0xd/0x3e):
      LWP save state byte size                 = 0x00000080 (128)
      LWP save state byte offset               = 0x00000340 (832)
      supported in IA32_XSS or XCR0            = XCR0 (user state)
      64-byte alignment in compacted XSAVE     = false
      XFD faulting supported                   = false
   extended processor signature (0x80000001/eax):
      family/generation = 0xf (15)
      model           = 0x3 (3)
      stepping id     = 0x1 (1)
      extended family = 0x6 (6)
      extended model  = 0x1 (1)
      (family synth)  = 0x15 (21)
      (model synth)   = 0x13 (19)
      (simple synth)  = AMD (unknown type) (Richland RL-A1) [Piledriver], 32nm
   extended feature flags (0x80000001/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
      SYSCALL and SYSRET instructions       = true
      memory type range registers           = true
      global paging extension               = true
      machine check architecture            = true
      conditional move/compare instruction  = true
      page attribute table                  = true
      page size extension                   = true
      multiprocessing capable               = false
      no-execute page protection            = true
      AMD multimedia instruction extensions = true
      MMX Technology                        = true
      FXSAVE/FXRSTOR                        = true
      SSE extensions                        = true
      1-GB large page support               = true
      RDTSCP                                = true
      long mode (AA-64)                     = true
      3DNow! instruction extensions         = false
      3DNow! instructions                   = false
   extended brand id (0x80000001/ebx):
      raw     = 0x20000000 (536870912)
      BrandId = 0x0 (0)
      PkgType = FM2 (PGA) (2)
   AMD feature flags (0x80000001/ecx):
      LAHF/SAHF supported in 64-bit mode     = true
      CMP Legacy                             = true
      SVM: secure virtual machine            = true
      extended APIC space                    = true
      AltMovCr8                              = true
      LZCNT advanced bit manipulation        = true
      SSE4A support                          = true
      misaligned SSE mode                    = true
      3DNow! PREFETCH/PREFETCHW instructions = true
      OS visible workaround                  = true
      instruction based sampling             = true
      XOP support                            = true
      SKINIT/STGI support                    = true
      watchdog timer support                 = true
      lightweight profiling support          = true
      4-operand FMA instruction              = true
      TCE: translation cache extension       = true
      NodeId MSR C001100C                    = true
      TBM support                            = true
      topology extensions                    = true
      core performance counter extensions    = true
      NB/DF performance counter extensions   = true
      data breakpoint extension              = false
      performance time-stamp counter support = false
      LLC performance counter extensions     = false
      MWAITX/MONITORX supported              = false
      Address mask extension support         = false
   brand = "AMD A6-6400K APU with Radeon(tm) HD Graphics   "
   L1 TLB/cache information: 2M/4M pages & L1 TLB (0x80000005/eax):
      instruction # entries     = 0x18 (24)
      instruction associativity = 0xff (255)
      data # entries            = 0x40 (64)
      data associativity        = 0xff (255)
   L1 TLB/cache information: 4K pages & L1 TLB (0x80000005/ebx):
      instruction # entries     = 0x30 (48)
      instruction associativity = 0xff (255)
      data # entries            = 0x40 (64)
      data associativity        = 0xff (255)
   L1 data cache information (0x80000005/ecx):
      line size (bytes) = 0x40 (64)
      lines per tag     = 0x1 (1)
      associativity     = 0x4 (4)
      size (KB)         = 0x10 (16)
   L1 instruction cache information (0x80000005/edx):
      line size (bytes) = 0x40 (64)
      lines per tag     = 0x1 (1)
      associativity     = 0x2 (2)
      size (KB)         = 0x40 (64)
   L2 TLB/cache information: 2M/4M pages & L2 TLB (0x80000006/eax):
      instruction # entries     = 0x400 (1024)
      instruction associativity = 8 to 15-way (6)
      data # entries            = 0x400 (1024)
      data associativity        = 8 to 15-way (6)
   L2 TLB/cache information: 4K pages & L2 TLB (0x80000006/ebx):
      instruction # entries     = 0x200 (512)
      instruction associativity = 4 to 5-way (4)
      data # entries            = 0x400 (1024)
      data associativity        = 8 to 15-way (6)
   L2 unified cache information (0x80000006/ecx):
      line size (bytes) = 0x40 (64)
      lines per tag     = 0x1 (1)
      associativity     = 16 to 31-way (8)
      size (KB)         = 0x400 (1024)
   L3 cache information (0x80000006/edx):
      line size (bytes)     = 0x0 (0)
      lines per tag         = 0x0 (0)
      associativity         = L2 off (0)
      size (in 512KB units) = 0x0 (0)
   RAS Capability (0x80000007/ebx):
      MCA overflow recovery support = false
      SUCCOR support                = false
      HWA: hardware assert support  = false
      scalable MCA support          = false
   Advanced Power Management Features (0x80000007/ecx):
      CmpUnitPwrSampleTimeRatio = 0x0 (0)
   Advanced Power Management Features (0x80000007/edx):
      TS: temperature sensing diode           = true
      FID: frequency ID control               = false
      VID: voltage ID control                 = false
      TTP: thermal trip                       = true
      TM: thermal monitor                     = true
      STC: software thermal control           = false
      100 MHz multiplier control              = true
      hardware P-State control                = true
      TscInvariant                            = true
      CPB: core performance boost             = true
      read-only effective frequency interface = true
      processor feedback interface            = false
      APM power reporting                     = false
      connected standby                       = false
      RAPL: running average power limit       = false
   Physical Address and Linear Address Size (0x80000008/eax):
      maximum physical address bits         = 0x30 (48)
      maximum linear (virtual) address bits = 0x30 (48)
      maximum guest physical address bits   = 0x0 (0)
   Extended Feature Extensions ID (0x80000008/ebx):
      CLZERO instruction                       = false
      instructions retired count support       = false
      always save/restore error pointers       = false
      INVLPGB instruction                      = false
      RDPRU instruction                        = false
      memory bandwidth enforcement             = false
      MCOMMIT instruction                      = false
      WBNOINVD instruction                     = false
      IBPB: indirect branch prediction barrier = true
      interruptible WBINVD, WBNOINVD           = false
      IBRS: indirect branch restr speculation  = false
      STIBP: 1 thr indirect branch predictor   = false
      CPU prefers: IBRS always on              = false
      CPU prefers: STIBP always on             = false
      IBRS preferred over software solution    = false
      IBRS provides same mode protection       = false
      EFER[LMSLE] not supported                = false
      INVLPGB supports TLB flush guest nested  = false
      ppin processor id number supported       = false
      SSBD: speculative store bypass disable   = false
      virtualized SSBD                         = false
      SSBD fixed in hardware                   = false
      CPPC: collaborative processor perf ctrl  = false
      PSFD: predictive store forward disable   = false
      not vulnerable to branch type confusion  = false
      branch sampling feature support          = false
      (vuln to branch type confusion synth)    = true
   Size Identifiers (0x80000008/ecx):
      number of CPU cores                 = 0x2 (2)
      ApicIdCoreIdSize                    = 0x4 (4)
      performance time-stamp counter size = 40 bits (0)
   Feature Extended Size (0x80000008/edx):
      max page count for INVLPGB instruction = 0x0 (0)
      RDPRU instruction max input support    = 0x0 (0)
   SVM Secure Virtual Machine (0x8000000a/eax):
      SvmRev: SVM revision = 0x1 (1)
   SVM Secure Virtual Machine (0x8000000a/edx):
      nested paging                           = true
      LBR virtualization                      = true
      SVM lock                                = true
      NRIP save                               = true
      MSR based TSC rate control              = true
      VMCB clean bits support                 = true
      flush by ASID                           = true
      decode assists                          = true
      SSSE3/SSE5 opcode set disable           = false
      pause intercept filter                  = true
      pause filter threshold                  = true
      AVIC: AMD virtual interrupt controller  = false
      virtualized VMLOAD/VMSAVE               = false
      virtualized global interrupt flag (GIF) = false
      GMET: guest mode execute trap           = false
      X2AVIC: virtualized X2APIC              = false
      supervisor shadow stack                 = false
      guest Spec_ctl support                  = false
      ROGPT: read-only guest page table       = false
      host MCE override                       = false
      INVLPGB/TLBSYNC hyperv interc enable    = false
      VNMI: NMI virtualization                = false
      IBS virtualization                      = false
      guest SVME addr check                   = false
   NASID: number of address space identifiers = 0x10000 (65536):
   L1 TLB information: 1G pages (0x80000019/eax):
      instruction # entries     = 0x18 (24)
      instruction associativity = full (15)
      data # entries            = 0x40 (64)
      data associativity        = full (15)
   L2 TLB information: 1G pages (0x80000019/ebx):
      instruction # entries     = 0x400 (1024)
      instruction associativity = 8 to 15-way (6)
      data # entries            = 0x400 (1024)
      data associativity        = 8 to 15-way (6)
   Performance Optimization Identifiers (0x8000001a/eax):
      128-bit SSE executed full-width = true
      MOVU* better than MOVL*/MOVH*   = true
      256-bit SSE executed full-width = false
   Instruction Based Sampling Identifiers (0x8000001b/eax):
      IBS feature flags valid                  = true
      IBS fetch sampling                       = true
      IBS execution sampling                   = true
      read write of op counter                 = true
      op counting mode                         = true
      branch target address reporting          = true
      IbsOpCurCnt and IbsOpMaxCnt extend 7     = true
      invalid RIP indication support           = true
      fused branch micro-op indication support = false
      IBS fetch control extended MSR support   = false
      IBS op data 4 MSR support                = false
      IBS L3 miss filtering support            = false
   Lightweight Profiling Capabilities: Availability (0x8000001c/eax):
      lightweight profiling                  = false
      LWPVAL instruction                     = false
      instruction retired event              = false
      branch retired event                   = false
      DC miss event                          = false
      core clocks not halted event           = false
      core reference clocks not halted event = false
      continuous mode sampling               = false
      tsc in event record                    = false
      interrupt on threshold overflow        = false
   Lightweight Profiling Capabilities: Supported (0x8000001c/edx):
      lightweight profiling                  = true
      LWPVAL instruction                     = true
      instruction retired event              = true
      branch retired event                   = true
      DC miss event                          = false
      core clocks not halted event           = false
      core reference clocks not halted event = false
      continuous mode sampling               = false
      tsc in event record                    = false
      interrupt on threshold overflow        = true
   Lightweight Profiling Capabilities (0x8000001c/ebx):
      LWPCB byte size             = 0x13 (19)
      event record byte size      = 0x20 (32)
      maximum EventId             = 0x3 (3)
      EventInterval1 field offset = 0x80 (128)
   Lightweight Profiling Capabilities (0x8000001c/ecx):
      latency counter bit size          = 0x0 (0)
      data cache miss address valid     = false
      amount cache latency is rounded   = 0x0 (0)
      LWP implementation version        = 0x1 (1)
      event ring buffer size in records = 0x1 (1)
      branch prediction filtering       = false
      IP filtering                      = false
      cache level filtering             = false
      cache latency filteing            = false
   Cache Properties (0x8000001d):
      --- cache 0 ---
      type                            = data (1)
      level                           = 0x1 (1)
      self-initializing               = true
      fully associative               = false
      extra cores sharing this cache  = 0x0 (0)
      line size in bytes              = 0x40 (64)
      physical line partitions        = 0x1 (1)
      number of ways                  = 0x4 (4)
      number of sets                  = 64
      write-back invalidate           = false
      cache inclusive of lower levels = false
      (synth size)                    = 16384 (16 KB)
      --- cache 1 ---
      type                            = instruction (2)
      level                           = 0x1 (1)
      self-initializing               = true
      fully associative               = false
      extra cores sharing this cache  = 0x1 (1)
      line size in bytes              = 0x40 (64)
      physical line partitions        = 0x1 (1)
      number of ways                  = 0x2 (2)
      number of sets                  = 512
      write-back invalidate           = false
      cache inclusive of lower levels = false
      (synth size)                    = 65536 (64 KB)
      --- cache 2 ---
      type                            = unified (3)
      level                           = 0x2 (2)
      self-initializing               = true
      fully associative               = false
      extra cores sharing this cache  = 0x1 (1)
      line size in bytes              = 0x40 (64)
      physical line partitions        = 0x1 (1)
      number of ways                  = 0x10 (16)
      number of sets                  = 1024
      write-back invalidate           = true
      cache inclusive of lower levels = false
      (synth size)                    = 1048576 (1024 KB)
   extended APIC ID = 17
   Compute Unit Identifiers (0x8000001e/ebx):
      compute unit ID        = 0x0 (0)
      cores per compute unit = 0x2 (2)
   Node Identifiers (0x8000001e/ecx):
      node ID             = 0x0 (0)
      nodes per processor = 0x1 (1)
   (instruction supported synth):
      CMPXCHG8B                = true
      conditional move/compare = true
      PREFETCH/PREFETCHW       = true
   (multi-processing synth) = multi-core (c=2)
   (multi-processing method) = AMD
   (APIC widths synth): CORE_width=1 SMT_width=0
   (APIC synth): PKG_ID=0 CORE_ID=1 SMT_ID=0
   (uarch synth) = AMD Piledriver, 32nm
   (synth) = AMD A-Series (Richland RL-A1) [Piledriver], 32nm


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