On Fri, Jun 26, 2009 at 12:46:53PM -0400, Len Brown wrote: > Low Frequency Mode (LFM), aka Pn - the deepest P-state, > is the lowest energy/instruction because it is this highest > frequency available at the lowest voltage that can still > retire instructions. > > That is why it is the first method used -- it returns the > highest power_savings/performance_impact. For a straightforward workload on a dual package system, do you get more performance from two packages running at their lowest P state or from one package at its highest P state and a forced-idle package? Which consumes more power? -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
