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<== Date ==> <== Thread ==>

Subject: RE: log message filter in Asyn
From: <nick.rees@diamond.ac.uk>
To: <wenorum@lbl.gov>, <tech-talk@aps.anl.gov>
Date: Tue, 17 Apr 2012 16:03:13 +0000
Hi Eric,

Matt is away today, but when Matt and I discussed this, this is where we thought it should go. Matt was just a bit lax in the phrasing of his suggestion. It should be a layer that can be plugged in somewhere there is a printf-like interface (like errlogPrintf).

Cheers

Nick Rees
Principal Software Engineer           Phone: +44 (0)1235-778430
Diamond Light Source                  Fax:   +44 (0)1235-446713

> -----Original Message-----
> From: tech-talk-bounces@aps.anl.gov [mailto:tech-talk-bounces@aps.anl.gov] On
> Behalf Of Eric Norum
> Sent: 17 April 2012 16:40
> To: tech-talk@aps.anl.gov Talk
> Subject: Re: log message filter in Asyn
> 
> On Apr 17, 2012, at 8:26 AM, Mark Rivers wrote:
> 
> > You can also turn off asynTrace messages for a particular device with
> >
> > asynSetTraceMask(port, addr, 0)
> >
> > But I see the utility of what Matt is proposing.  We use procServ to run our
> IOCs, both soft IOCs and vxWorks IOCs.  On vxWorks the procServ is controlling
> a telnet session to an Ethernet terminal server, which is connected to the
> vxWorks console port.  For logging we just use the log file capability of
> procServ, not a special logging program.  If a device becomes unavailable the
> log file can quickly grow very large with asynTrace error messages.
> >
> > Of course we could manually set the asynTrace mask to 0, as shown above.
> But it would be nice to have the capability that Matt proposes, to
> automatically reduce the number of messages in the log file if they are all
> just repeats.
> 
> Agreed, but I'm holding to my opinion that this capability belongs in the log
> server, not in all the log clients.   It certainly does not belong in the ASYN
> layer.   In the errlogPrintf layer, perhaps, but really this belongs in the
> log server.
> 
> --
> Eric Norum
> eric@norum.ca
> 
> 
> 
> 


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References:
log message filter in Asyn matthew.pearson
Re: log message filter in Asyn Andrew Johnson
RE: log message filter in Asyn Mark Rivers
Re: log message filter in Asyn Eric Norum

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