Re: [HACKERS] memory fields from getrusage() - Mailing list pgsql-hackers

From Thomas Munro
Subject Re: [HACKERS] memory fields from getrusage()
Date
Msg-id CAEepm=1f9k6UYP3fPfv1YQr4q7Y5f7np1m=tykFGuSknSLaizg@mail.gmail.com
Whole thread Raw
In response to Re: [HACKERS] memory fields from getrusage()  (Peter Eisentraut <peter.eisentraut@2ndquadrant.com>)
Responses Re: [HACKERS] memory fields from getrusage()  (Justin Pryzby <pryzby@telsasoft.com>)
List pgsql-hackers
On Sat, Sep 2, 2017 at 7:46 AM, Peter Eisentraut
<peter.eisentraut@2ndquadrant.com> wrote:
> On 6/15/17 10:58, Justin Pryzby wrote:
>> On Thu, Jun 15, 2017 at 10:29:21AM -0400, Robert Haas wrote:
>>> On Wed, Jun 14, 2017 at 6:28 PM, Justin Pryzby <pryzby@telsasoft.com> wrote:
>>>> On Tue, Jun 13, 2017 at 12:16:00PM -0400, Robert Haas wrote:
>>>>> It might be worth adding platform-specific code for common platforms.
>>>>
>>>> All I care (which linux happily/happens to support) is maxrss; I was probably
>>>> originally interested in this while digging into an issue with hash agg.
>>>
>>> I don't think it needs to go in a separate file.  I'd just patch ShowUsage().
>
> I have committed a patch that shows maxrss, with /1024 adjustment for
> macOS.  That should cover all platforms that I could find.(*)

Apparently ru_maxrss is in *pages* on Solaris-derived systems:

https://illumos.org/man/3c/getrusage

AIX seems to be like Linux and FreeBSD (kilobytes):

https://www.ibm.com/support/knowledgecenter/en/ssw_aix_61/com.ibm.aix.basetrf1/getrusage_64.htm

-- 
Thomas Munro
http://www.enterprisedb.com



pgsql-hackers by date:

Previous
From: Robert Haas
Date:
Subject: Re: [HACKERS] Adding support for Default partition in partitioning
Next
From: Amit Kapila
Date:
Subject: Re: [HACKERS] Speed up Clog Access by increasing CLOG buffers