Before revision:  In our work, we survey existing research on FaaS performance evaluation and present results from a multivocal literature review (MLR) covering 112 studies from academic (51) and grey literature (61)  .
After revision:  In our work, we survey existing research on FaaS performance evaluation and present results from a multivocal literature review (MLR) covering 112 studies from academic (51) and grey (61) .