Patent ID: 9612945
Date: 2017-04-04
CPC Classifications: G06F

Claim:
1. A method to be performed on one or more data processors comprising at least part of a computer system, the method comprising: comparing a first instance of a call stack and a second instance of the call stack, the first instance of the call stack being executed in a database management system at a first time and the second instance of the call stack being executed in the database management system at a second time, the first time and the second time being separated by a sampling interval, and the comparing including upwardly traversing, starting from the bottom-most frame in the first instance and the second instance of the call stack, the first instance and the second instance of the call stack; identifying, based at least on the comparing, a first frame at which the first instance of the call stack differs from the second instance of the call stack; and incrementing a call counter for each frame that is subsequent to and upwards from the first frame in the second instance of the call stack.