[pgpool-hackers: 3238] Re: pgbench: Flamegraph

Jesper Pedersen jesper.pedersen at redhat.com
Fri Feb 8 23:36:46 JST 2019


Hi,

On 2/7/19 9:54 PM, Tatsuo Ishii wrote:
>> Are you able to generate these now ? I can keep sending to the mailing
>> list, but if you can create locally then I guess no need.
> 
> Yes but there's something weird with the SVG. I see [unknown] at left
> most at the graph and it's very tall...
> 

Looks like it is from the process start sequence as it is under 
__libc_start_main(). <unknown> is stuff without the 
-fno-omit-frame-pointer flag.

I would just do

   grep PgpoolMain folded.perf > pgpool.perf

instead.

Best regards,
  Jesper


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