====== command Qbtrace-conf ======
**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. 
**Reply:** OK success
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