Re: Using ProcSignal to get memory context stats from a running backend - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Using ProcSignal to get memory context stats from a running backend
Date
Msg-id 1735.1513708660@sss.pgh.pa.us
Whole thread Raw
In response to Re: Using ProcSignal to get memory context stats from a runningbackend  (Andres Freund <andres@anarazel.de>)
List pgsql-hackers
Andres Freund <andres@anarazel.de> writes:
> On 2017-12-19 13:17:52 -0500, Tom Lane wrote:
>> Yeah.  But please don't mess with MemoryContextStats per se ---
>> I dunno about you guys but "call MemoryContextStats(TopMemoryContext)"
>> is kinda wired into my gdb reflexes.  I think what'd make sense
>> is a new function "MemoryContextStatsTo(context, function_pointer)".
>> It's okay to redefine the APIs of the per-context-type functions
>> these would call, though, because nobody calls those functions directly.

> We already have MemoryContextStatsDetail() - it seems to make sense to
> expand that API and leave MemoryContextStats() alone. I don't think
> there's a need for a third variant?

Sure, WFM.

            regards, tom lane


pgsql-hackers by date:

Previous
From: Andres Freund
Date:
Subject: Re: Using ProcSignal to get memory context stats from a runningbackend
Next
From: Peter Eisentraut
Date:
Subject: improve type conversion of SPI_processed in Python