Add Marshalers for profiling signal type #6680
Merged
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Second instalment of the OTLP marshaling code for the profiling signal. Following on from #6565 which had the 'payload' data types (pprofextended.proto), this one has the 'envelope' types (profiles.proto).
Little of particular interest here, it's largely boilerplate.
There is an outstanding task to look at how the ByteBuffer type field is handled - it's the first usage in any signal type and the marshaling utility code doesn't have support for it, so for now it's just converted to byte[]. Adding the utility code will require some design discussion that feels better suited to factoring out into a separate PR, but I'd like to get this one in meanwhile as it's usefully functional even without that optimization.