Does perf inject preserve call chain data?

[Tim Chen]

Arnaldo,

Wonder if perf inject munged the call chain data from perf record?

When I do
perf record -a -g -o - sleep 5 |perf inject -v -b  | perf report  -g -i -
I get a complain from perf report

Warning:
Selected -g but no callchain data. Did you call 'perf record' without -g?

Thanks.

Tim

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