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title: analyze_power_grid(2)
date: 24/09/08
---
# NAME
analyze_power_grid - analyze power grid
# SYNOPSIS
analyze_power_grid
-net net_name
[-corner corner]
[-error_file error_file]
[-voltage_file voltage_file]
[-enable_em]
[-em_outfile em_file]
[-vsrc voltage_source_file]
[-source_type FULL|BUMPS|STRAPS]
# DESCRIPTION
This command analyzes power grid.
# OPTIONS
`-net`: Name of the net to analyze, power or ground net name.
`-corner`: Corner to use for analysis.
`-error_file`: File to write power grid error to.
`-vsrc`: File to set the location of the power C4 bumps/IO pins. [Vsrc_aes.loc file](test/Vsrc_aes_vdd.loc) for an example with a description specified [here](doc/Vsrc_description.md).
`-enable_em`: Report current per power grid segment.
`-em_outfile`: Write the per-segment current values into a file. This option is only available if used in combination with `-enable_em`.
`-voltage_file`: Write per-instance voltage into the file.
`-source_type`: Indicate the type of voltage source grid to [model](#source-grid-options). FULL uses all the nodes on the top layer as voltage sources, BUMPS will model a bump grid array, and STRAPS will model power straps on the layer above the top layer.
# ARGUMENTS
This command has no arguments.
# EXAMPLES
# SEE ALSO
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