[External] Power-on monitor for phosphor-hwmon question

[Ivan Li11]

> -----Original Message-----
> From: Ivan Li11
> Sent: Wednesday, November 27, 2019 10:26 PM
> To: 'Matt Spinler' <mspinler at linux.ibm.com>; openbmc at lists.ozlabs.org
> Subject: RE: [External] Power-on monitor for phosphor-hwmon question
> 
> > -----Original Message-----
> > From: Matt Spinler <mspinler at linux.ibm.com>
> > Sent: Tuesday, October 22, 2019 9:24 PM
> > To: Ivan Li11 <rli11 at lenovo.com>; openbmc at lists.ozlabs.org
> > Subject: Re: [External] Power-on monitor for phosphor-hwmon question
> >
> >
> >
> > On 10/21/2019 6:02 AM, Ivan Li11 wrote:
> > >
> > > Hi Team,
> > >
> > > Does anyone have suggestion for this ?
> > >
> > Hi, you're right, it doesn't support that yet.  We've had a few
> > internal discussions about how to handle that gracefully, though our
> > platforms don't use sel-logger, but nothing solid came out of them and
> > we don't have anything scheduled yet.
> >
> > It would be easy enough to have a watch on the PGOOD property, and
> > then do you what you want, like maybe turning off the thresholds.
> >
> > I heard that the d-bus sensors repository has some sort of support for
> > this, but since we don't use it I'm not sure what all that entails. I
> > think it may also force you to replace phosphor-inventor-manager with
> entity-manager.
> >
> 
> Hi Matt,
> We can use dbus-match mechanism in phosphor-hwmon to turn on/off the
> thresholds just like what dbus-sensors repository does in the following link:
> https://github.com/openbmc/dbus-sensors/blob/432d1edf7ac86f69558273307
> a59e4b1cf86b8a6/src/Utils.cpp#L141
> 
> If it's ok for you, I'll work on it and send patch for you review.
> Please help to comment on it.
> 

Hi Matt,
Could you help to comment on this proposal.  
Thanks your great support in advance.

> > > Thanks your great support in advance.
> > >
> > > *From:*openbmc <openbmc-bounces+rli11=lenovo.com at lists.ozlabs.org>
> > *On
> > > Behalf Of *Ivan Li11
> > > *Sent:* Friday, October 18, 2019 5:59 PM
> > > *To:* openbmc at lists.ozlabs.org
> > > *Subject:* [External] Power-on monitor for phosphor-hwmon question
> > >
> > > Hi Team,
> > >
> > > We found that there's no power-on monitor mechanism in
> > phosphor-hwmon.
> > >
> > > https://github.com/openbmc/phosphor-hwmon
> > >
> > > And it will cause incorrect threshold logs to be added to journal
> > > log by 'sel-logger' when system is in power off(S5) state.
> > >
> > > Is there any plan to implement it? Or other repository we can refer to ?
> > >
> > > Thanks,
> > >
> > > Ivan
> > >