I'll be asking sensitive questions, and those questions might not be answered honestly if performance must also to be collected from each participant's supervisor. Thus, participants might not believe in the anonymity of the study.
The following paper has a job performance scale that has been frequently used in research.
Williams, L. J., & Anderson, S. E. (1991). Job satisfaction and organizational commitment as predictors of organizational citizenship and in-role behaviors. Journal of Management, 17(3), 601-617. doi:http://dx.doi.org/10.1177/014920639101700305
De Cooman, R., De Gieter, S., Pepermans, R., Jegers, M., & Van Acker, F. (2009). Development and validation of the Work Effort Scale. European Journal of Psychological Assessment, 25(4), 266-273.
Re: Williams, L. J., & Anderson, S. E. (1991). Job satisfaction and organizational commitment as predictors of organizational citizenship and in-role behaviors. Journal of management, 17(3), 601-617.
Article Job Satisfaction and Organizational Commitment as Predictors...
You could ask the authors on ResearchGate (or at their universities) re their questionnaire:
But if you don't hear anything, this question was asked 2 yrs ago but no-one answered: "Anyone can help me how to key in the data using SPSS for JOB PERFORMANCE questionnaire by Williams and Anderson (1991)". It might be worthwhile contacting the RG member who asked the question (Abdullah Suhaili) whether he had what you need.