Re: again on bad performance - Mailing list pgsql-hackers

From Luis Alberto Amigo Navarro
Subject Re: again on bad performance
Date
Msg-id 00f601c1cab7$4b006eb0$cab990c1@atc.unican.es
Whole thread Raw
In response to again on bad performance  ("Luis Alberto Amigo Navarro" <lamigo@atc.unican.es>)
List pgsql-hackers
yes, it is done with cvd, this tool is part of speedshop utilities that are
included on Irix.
They use hardware counters and stack registers to obtain data, it drops
about 5% performance (all marked as system)
thanks and regards



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