Configuration Options for opentelemetry tracing for less spans

[gw5280]

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In my use case of triton, we would like to collect one span per inference request rather than the three that are currently sent out. A "top level span" only as currently described by the documentation would be ideal. It also seems that span events are sent, which are not required in my use case.

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A configuration flag to only send out the top-level span would provide more flexibility for more lightweight tracing, or usages where the precision of the three spans is not required but clogs up the tracing collector. A configuration flag to disable sending span events would also allow my team to use tracing.