Format: ‘Qbtrace-conf:bts:size=value’ or ‘Qbtrace-conf:pt:size=value’ or ‘Qbtrace-conf:pt:ptwrite=(yes|no)’ or ‘Qbtrace-conf:pt:event-tracing=(yes|no)’

Meaning: (‘Qbtrace-conf:bts:size=value’) Set the requested ring buffer size for new threads that use the btrace recording method in bts format.

(‘Qbtrace-conf:pt:size=value’) Set the requested ring buffer size for new threads that use the btrace recording method in pt format.

(‘Qbtrace-conf:pt:ptwrite=(yes|no)’) Indicate support for PTWRITE packets. This allows for backwards compatibility.

(‘Qbtrace-conf:pt:event-tracing=(yes|no)’) Indicate support for event-tracing packets. This allows for backwards compatibility.

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