On 20.11.12 17:08:17, Will Deacon wrote: > > The advantage of a solution where userland updates cpu_type is that we > > never need to update the kernel anymore. This means, cpu detection can > > be part of the tools. > > True, but the kernel-side perf code still needs updating to support the new > CPU so I don't think you win much.
You also need perf support to use operf. If oprofile can update cpu_type, the oprofile kernel interface would work for new hardware without changes. We have support for both then, operf and opcontrol. -Robert -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
