If you want to achieve high performance, then it's important to foster a company culture that encourages this and recognizes performance as vital. Culture can't just come from the bottom (only involving engineers). Culture needs to come from the top, and the management must buy in to the performance prerogative.
Note
This section is not very technical, so feel free to skip it if you don't care about management or the human side of software development.
The most important attributes of a high performance culture are that it should be open and blameless. Everyone needs to be focused on achieving the best possible outcomes through measuring and learning. Attributing fault to individuals is toxic to delivering great software, and this is not only the case when it comes to performance.
If something goes wrong, then it is a process problem, and the focus should be on improving it and preventing the repetition of mistakes in the future, for example...