Re: 9.2beta1, parallel queries, ReleasePredicateLocks, CheckForSerializableConflictIn in the oprofile

On Thu, 31 May 2012, Robert Haas wrote:
>
> Thanks. How did you generate this perf report? It's cool, because I
> haven't figured out how to make perf generate a report that is easily
> email-able, and it seems you have.

I did pretty much what you have said, e.g.
attached it to running process by
perf record -g -p PID
and then
perf report -g > output

And postgresql was compiled with cflags=-g
>
> The only trouble is that there's no call stack information here for
> s_lock or PinBuffer, which is what I really want. It seems to have
> spit out call stack information only for the kernel functions, and not
> for user functions.

Yes, I forgot to clean the old binaries when recompiled with cflags=-g.
So not it is fixed. I attach the updated perf report (i.e. the first 10000
lines of it to reduce the file size).

Cheers,
S

*****************************************************
Sergey E. Koposov, PhD, Research Associate
Institute of Astronomy, University of Cambridge
Madingley road, CB3 0HA, Cambridge, UK
Tel: +44-1223-337-551 Web: http://www.ast.cam.ac.uk/~koposov/