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Valgrind with trace generation

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Valgrind with tracegen

This repository contains a new Valgrind tool called "tracegen." tracegen generates full data and instruction traces, that is a trace of all memory reads or writes and all executed instructions, in the CTF format.

Note: This tool is an EXPERIMENTAL PROTOTYPE used for research purposes. It's neither fast nor safe to use. You have been warned!

Compiling

See the original Valgrind README for full instructions.

./autogen.sh
# adjust the prefix to your preferred location
./configure --prefix=$PWD/inst
make -j8
make install

Running

To generate a data and program trace from YOUR_APPLICATION, run

mkdir cts-out # you need to create the output directory first
inst/bin/valgrind --tool=tracegen --trace-mem=yes --output-dir=cts-out YOUR_APPLICATION

Viewing the trace

You can use any CTS-enabled trace viewer, the most basic one is babeltrace.

It's packaged on Ubuntu, install with

sudo apt-get install babeltrace

To get a text log of all traced events, run babeltrace with the directory containing the stream and metadata files as parameter.

babeltrace cts-out

You can also use the Babeltrace Python bindings to process the trace further in Python 3.

Contact

Author: Philipp Wagner [email protected]

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Valgrind with trace generation

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License

GPL-2.0, Unknown licenses found

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COPYING
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COPYING.DOCS

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