doc/008-tracing/Tracing.tex

75 or -- with the help of Bfscope -- to a remote machine. On the remote machine
76 you can analyze the trace data using Aquarium 2. Aquarium 2 can be customized with scripts,
79 trace data with external tools in an easy fashion.
87 work with the tracing system (e.g.~tools that have been developed analyzing
100 integrates with the new version of the tracing framework. Bfscope is described
119 with rather small instrumentation of code (i.e.~number of events that actually
161 with the identifier 0, but the same Event identifier 0 has an entirely different
165 that the tracing framework will have sufficient space to deal with future change
207 and to extend existing Subsystems with new Events. Note that the Argument
223 \begin{lstlisting}[frame=single, caption={A small example pleco file with two
264 Barrelfish source code, this file can be included with the statement:
272 define an Event with the same name.
343 are always consistent), and provides them with an automated way of having a
409 functionality is implemented with in Bfscope, as we think the main use-case for
411 remote machine\footnote{Having the console cluttered with events from the
443 where you can either later analyze it with Aquarium, or with custom scripts.
468 We decided to tackle the first three goals with the design of the architecture
478 will discuss the different ways how Aquarium can be extended with scripts.
489 When you analyze trace log data with Aquarium, the main object is a
492 important classes that are dealing with getting from trace log data to the
493 according TracingSession. A TracingSession is associated with a single event
527 	\caption{UML class diagram showing the main classes that are concerned with
528 		dealing with input.}
534 in Figure \ref{fig:classdiag-output}. A TracingSession stores both a list with
535 the Events that have been extracted from the trace log data, as a list with all
553 design with having the TracingSession at the core, we achieved that all handler
568 	\caption{UML class diagram showing the main classes that are concerned with
573 \section{Extending Aquarium with Scripts\label{sec:scripts}}
597 If a user is not satisfied with these possibilities to filter out events,
598 Aquarium can be extended with script filters. An example for a script filter
605 Another possibility to extend Aquarium with the help of scripts is to write
618 \section{Working with Aquarium}
621 functionality looks in Aquarium with the help of some examples. Figure
657 according object with the mouse cursor. On this screenshot you can see that two
746 Assuming you have network hardware that works with Barrelfish you can also
811 it might be often the case that code is instrumented with a lot
825 average. Both benchmarks have been run twice with 1000 measurements each run.