DynTG: a tool for interactive, dynamic instrumentation

Authors:
Martin Schulz;John May;John Gyllenhaal
Affiliations:
Center for Applied Scientific Computing, Lawrence Livermore National Laboratory;Center for Applied Scientific Computing, Lawrence Livermore National Laboratory;Center for Applied Scientific Computing, Lawrence Livermore National Laboratory
Venue:
ICCS'05 Proceedings of the 5th international conference on Computational Science - Volume Part II
Year:
2005

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Abstract

With the increasing complexity of today's systems, detailed performance analysis is more important than ever. We have developed DynTG, a tool for interactive, dynamic instrumentation. It uses performance module plugins to reconfigure the data acquisition and provides a source browser that allows users to insert any probe functionality provided by the modules dynamically into the target application. Any instrumentation can be added both before and during the application's execution and the acquired data is presented in realtime within the source viewer. This enables users to monitor their applications' progress and interactively control and adapt the instrumentation based on their observations.