[RFC] --dump-sym-trace

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Some of my coworkers want to build tools to aggregate perf.data files
from many different machines and provide web front ends and possibly
other ways of visualizing the data (graphviz dot format comes to
mind). One potential path is to use perf report -D (raw dump) and
analyze that. But it made no sense to duplicate the functionality
already in perf.

Attached is a preliminary patch that dumps the trace, but also
symbolizes the addresses. It's probably not terribly efficient - but I
wanted to post it anyway to figure out if this is a good starting
point or there are other ways of getting perf to report call graphs
that are easy to parse in another program.

 -Arun

Attachment: dump-sym-trace.patch
Description: Binary data


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