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A tool for measuring and analyzing real-time task execution times (1998).
| Content Provider | CiteSeerX |
|---|---|
| Author | Persson, Patrik |
| Abstract | . We are interested in gaining more knowledge about the execution time requirements of real-time control tasks, and this report presents a system for gathering statistics of the execution times of real-time tasks. The system allows real-time code to be instrumented in order to gather, analyze, and present execution time statistics. It has been used to instrument an existing hybrid controller to gather execution time statistics. These statistics indicate that the worst-case execution times of the controller occur in conjunction with reference and mode changes, and that a scheduling based on that worst-case execution time leads to poor CPU utilization. Table of contents 1 Background ............................................................. 2 2 A system for gathering execution time statistics . 3 2.1 MODULE TimeLog ............................................ 4 2.2 MODULE TimeLogInternal .............................. 5 2.3 MODULE HTTPServer ................................ |
| File Format | |
| Publisher Date | 1998-01-01 |
| Access Restriction | Open |
| Subject Keyword | Analyzing Real-time Task Execution Time Execution Time Statistic Worst-case Execution Time Module Httpserver Present Execution Time Statistic Hybrid Controller Mode Change Module Timeloginternal Execution Time Controller Occur Module Timelog Execution Time Requirement Poor Cpu Utilization Real-time Task Real-time Control Task Real-time Code |
| Content Type | Text |
