Re: CLUSTER, reform_and_rewrite_tuple(), and parallelism - Mailing list pgsql-hackers

From Andres Freund
Subject Re: CLUSTER, reform_and_rewrite_tuple(), and parallelism
Date
Msg-id 20160818003655.o24endpd5dsokj4n@alap3.anarazel.de
Whole thread Raw
In response to Re: CLUSTER, reform_and_rewrite_tuple(), and parallelism  (Peter Geoghegan <pg@heroku.com>)
List pgsql-hackers
On 2016-08-17 17:35:32 -0700, Peter Geoghegan wrote:
> On Wed, Aug 17, 2016 at 5:20 PM, Andres Freund <andres@anarazel.de> wrote:
> > libc isn't compiled with -fno-omit-frame-pointer (and even if, it uses
> > assembly without setup of the frame pointer), so frame pointer based
> > call graphs are wrong through libc.  The attributions are based on
> > random stuff in the frame pointer at that point.  You either need to use
> > dwarf or lbr to get accurate ones.
> 
> Is it worth doing that here, and redoing the test, so that the glibc
> attributions are correct?

I'd say yes.



pgsql-hackers by date:

Previous
From: Peter Geoghegan
Date:
Subject: Re: CLUSTER, reform_and_rewrite_tuple(), and parallelism
Next
From: Michael Paquier
Date:
Subject: Re: Patch: initdb: "'" for QUOTE_PATH (non-windows)