Is there anybody knows how to add a delay cells in opensta?

Can you explain a little what you are trying to do? Do you want to just increase or decrease the drive strength of a cell or add another cell to the netlist?

@Mariam Zanaty?

@Baloch I got a hold violation and I'm trying to add a delay cells in the data path, the sizes of cells are already adjusted so I thought of adding a delay cells

There was an add_buffer command that is deprecated now, you will have to use 4 different commands(make_instance, make_net, disconnect_pin, connect_pin) to perform the operation I haven't tried it myself, let me know if it works for you Best of luck @Mariam Zanaty

@Baloch Great, I'll try and keep you updated, thank you

You should try repair_hold_violations in openroad. opensta itself is just a timer not a buffering tool.