Experience of Pragmatically Combining RE Methods for Performance Requirements in Industry. Proceedings of the 22nd IEEE International Requirements Engineering Conference (RE), 344--353, August 2014. [PUMA: architecture;PROPRE;RE automation context development;system domain;software elicitation;performance engineering engineering;performance expectations;functional factors formal methods;architecture methods;performance models;Context;Documentation;Measurement;Testing;Throughput;Time models;end-user performance requirements setting;nonfunctional specification;Adaptation specification;program specifications;industrial testing;process testing;software]