How can I export table data from traces containing Allocations, Leaks, and VM Tracker instruments using Xcode 13?

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Created Nov ’21

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I have seen that I can export table data from traces containing Allocations, Leaks, and VM Tracker instruments using xctrace export on the command line in XCode 13 release notes. But I still cannot see the table data when I use xctrace export --input xxx.trace --toc. How can I export given .trace using supplied query to the XML file format that can be later read and post-processed

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Answer 1

Developer Tools Engineer OP

Apple

Nov ’21

Hi there,

Data from traces containing Allocations, Leaks, and VM Tracker instruments could be exported with following command:

xctrace export --input input.trace --xpath '/trace-toc/run[@number="1"]/tracks/track[@name="Allocations"]/details/detail[@name="Statistics"]'

It uses run->tracks->track->details->detail nodes instead of run->data->table for other instruments.

Hope that helps!

Anton

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