Thanks Quinn! So the question is - if kdebug_signpost is deprecated (10.15), what is the replacement to send signposts to the kernel buffer. We need the signposts to appear along with a System Trace - and would not want to have to install Xcode(for Instruments app) on the Macs where we want to gather the information. Is there a way for ktrace to collect signposts from unified logging store and embed them in the trace file it creates? Thanks. Devendra.