Andrew Morton writes:
> > - All Itanium processors (Itanium, McKinley/Madison, Montecito)
> > - Intel EM64T/Xeon. Includes support for PEBS and HyperThreading (produced by Intel)
> > - Intel P4/Xeon (32-bit). Includes support for PEBS and HyperThreading
> > - Intel Pentium M and P6 processors
> > - AMD 64-bit Opteron
> > - preliminary support for IBM Power 5 (produced by IBM)
> > - preliminary support for MIPS R5000 (produced by Phil Mucci)
>
> Which achitectures does perfctr support? More, I think?
The sets are incomparable.
Intel P5 up to P4/Xeon/EM64T, though not P4's PEBS.
AMD K7 and K8.
X86 clones with performance counters (VIA C3 and Cyrix' P5-clones).
Any x86 with TSC. (Still useful for accurate time measurements.)
PPC32 (604 up to 74xx).
Any PPC32 with TB. (Still useful for accurate time measurements.)
POWER4/G5/POWER5 (done by David Gibson not me).
Preliminary ARM/XScale support is working but stalled due to
more pressing commitments and unresolved ARM platform issues.
(Some XScale/PXA drivers clobber the PMU registers for no good reason.)
UltraSPARC would be trivial to support, except (1) I don't have one,
and (2) they already have a primitive pre-historic perfctr facility.
/Mikael
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