[PATCH1/3] include/winternl: Add Logical Processor Information to SYSTEM_CPU_INFORMATION

Luca Bennati lucak3 at gmail.com
Sat Oct 2 07:07:46 CDT 2010


2010/10/2 Rudolf Mayerhofer <rm at eightyfive.net>

> On Saturday 02 October 2010 08:15:46 Dmitry Timoshkov wrote:
> > Rudolf Mayerhofer <rm at eightyfive.net> wrote:
> > >  /* System Information Class 0x01 */
> > >
> > > +typedef struct _SYSTEM_CPU_CACHE_INFORMATION {
> > > +    ULONG ProcessorMask;
> > > +    CACHE_DESCRIPTOR CacheInformation;
> > > +} SYSTEM_CPU_CACHE_INFORMATION, *PSYSTEM_CPU_CACHE_INFORMATION;
> > >
> > >  typedef struct _SYSTEM_CPU_INFORMATION {
> > >
> > >      WORD Architecture;
> > >
> > > @@ -1100,6 +1104,10 @@ typedef struct _SYSTEM_CPU_INFORMATION {
> > >
> > >      WORD Revision;       /* combination of CPU model and stepping */
> > >      WORD Reserved;       /* always zero */
> > >      DWORD FeatureSet;    /* see bit flags below */
> > >
> > > +    ULONG Cores[64];        /* Contains a Processormask for each
> physical
> > > core. Index is CoreID*/ +    ULONG ProcessorPackages[64]; /* Contains a
> > > Processormask for each processorpackage. Index is ProcessorPackage ID*/
> > > +    ULONG NumaNodes[64];    /* Contains a Processormask for each numa
> > > node. Index is NumaNodeNumber */ +    SYSTEM_CPU_CACHE_INFORMATION
> > > Caches[256];        /* Contains all cpu cache entries found */
> > >
> > >  } SYSTEM_CPU_INFORMATION, *PSYSTEM_CPU_INFORMATION;
> >
> > Where does this come from? At least the processor mask is supposed
> > to be an ULONG_PTR.
>
> You're right. Seem that i have missed that Processormask is ULONG_PTR, will
> update that ASAP.
>
> This is used in NTDLL and Kernel32 to provide an Implementation for
> kernel32's
> GetLogicalProcessorInformation().
>
>
> You should break long lines (like the ones on patch 3/3) into lines of 100
characters max
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