Show CPU information (cpuinfo)
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The cpuinfo command displays information about the physical CPUs (processors) present in the system
and the logical CPUs assigned to the physical CPUs.  Physical CPU information includes vendor, model,
and microcode version.  If some information is not available in the vmcore, it is omitted.

Example::

    crash64> cpuinfo
    Processor 0: Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz microcode B000040
      CPUs 0-7, 16-23
    Processor 1: Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz microcode B000040
      CPUs 8-15, 24-31

This example shows two physical processors, each with 16 logical CPUs.  The distribution of logical CPUs
to physical CPUs implies that the processors have eight cores each and hyperthreading is enabled.