Patent ID: 7774647
Filing Date: 2010-08-10
Classification: G06F

Abstract:
1. A method for managing a computer task, termed target, during a given execution period, termed activity period, within a computer system, in a computer processor provided with means of monitoring or estimating performance and including a counter with a given possible error in plus or minus, termed relative error, this process comprising: an evaluation of a number of executed instructions up to at least one given point of said activity period, using said counter; and a generation of data, termed signature, determined from the state of the computer system and corresponding to at least one given point of said activity period; wherein the method logs the use of a processor by storing in an ordered fashion, in at least one file termed processor log, logging data representing the logging of a succession of activity periods of a plurality of tasks executed in said processor, said logging data comprising for each of the activity periods a datum identifying the executed task; and wherein the method carries out, from the logging data, a replay of the logged period by managing a task, termed replayed task, executed by a processor, termed replay processor, within a replay computer system, starting from a state corresponding to a state of a logged system at the start of the logged period, the method also comprising: