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Physical machine information does not include any monotonically increasing time field like other per CPU information blocks. This Prevents the percentage calculation for the physical information fields as the divisor(time_delta) is missing; field% = (value_current - value_previous) / time_delta To circumvent that, use the current partition's per CPU online time values to calculate the time_delta. Integrate time_delta as a new field(phys_delta_us) specific to the physical systems. Explicitly CPU0 online time is used, since CPU0 is always online and cannot be deconfigured on s390x. Its online-time deltas would match those of the physical CPUs. Since a new field has to be used for physical systems a new column in the table also has to be created but instead map the physical system field to the corresponding regular system fields for a nicer table view. Reviewed-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Mete Durlu <meted@linux.ibm.com> Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>