940e6d36de
Change the reporting strategy to more closely follow what arm64
implements:
- Always print the one-line CPU summary when a core comes online
- Only print the additional fields (e.g. ISA) when they differ from the
CPU before it
In the common case of identical CPUs this results in informative but
non-repetitive output. For example, in QEMU:
CPU 0 : Vendor=Unspecified Core=Unknown (Hart 0)
marchid=0x80032, mimpid=0x80032
MMU: 0x7<Sv39,Sv48,Sv57>
ISA: 0x112d<Atomic,Compressed,Double,Float,Mult/Div>
real memory = 8589934592 (8192 MB)
avail memory = 8332300288 (7946 MB)
FreeBSD/SMP: Multiprocessor System Detected: 6 CPUs
CPU 1 : Vendor=Unspecified Core=Unknown (Hart 1)
CPU 2 : Vendor=Unspecified Core=Unknown (Hart 2)
CPU 3 : Vendor=Unspecified Core=Unknown (Hart 3)
Reviewed by: markj
MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D40024
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