Dynamic classification of sections of software using a profile-based optimization system optimizes management of the sections of software. Software executes under expected usage conditions. After execution, a set of usage profiles describes the dynamic properties of sections of the software. Each usage profile includes information identifying a section of software. Each usage profile maps to an outcome meant to optimize management of the sections of the software during later execution. During such later execution, a usage background describes the dynamic properties of a section of the software. The usage background includes information identifying the section of software. By matching the usage background to a usage profile in the set of usage profiles, the section is dynamically classified during later execution. Based on this dynamic classification, the section maps to the outcome meant to optimize management of the sections of software.