Could we please build the Debian packages of PostgreSQL with
--enable-dtrace, using systemtap-sdt-dev? Maybe that wasn't very useful
in the past, but at least since kernel 4.8 you can use that for tracing
with perf.
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Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services