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 report_clock_skew
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Clock core_clk
No launch/capture paths found.

Clock ext_clk
Latency      CRPR       Skew
_416_/CLK ^
   1.87
_415_/CLK ^
   1.56     -0.15       0.15

Clock pll_clk
Latency      CRPR       Skew
_443_/CLK ^
   1.88
_422_/CLK ^
   0.34     -0.02       1.51

Clock pll_clk90
Latency      CRPR       Skew
_469_/CLK ^
   1.83
_459_/CLK ^
   0.33     -0.02       1.48