23 lines
670 B
Markdown
23 lines
670 B
Markdown
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# JSON Reports
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nextpnr can write a JSON report using `--report` post-place-and-route for integration with other build systems. It contains information on post-pack utilization and maximum achieved frequency for each clock domain, and is of the following format:
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```
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{
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"utilization": {
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<beltype>: {
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"used": <number of bels used in design>,
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"available": <total number of bels available in device>
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},
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...
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},
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"fmax": {
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<clock domain>: {
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"achieved": <computed Fmax of routed design for clock in MHz>,
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"constraint": <constraint for clock in MHz>
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},
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...
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}
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}
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```
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