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

[Ivan Li11]

> -----Original Message-----
> From: James Feist <james.feist at linux.intel.com>
> Sent: Tuesday, October 22, 2019 11:51 PM
> To: Matt Spinler <mspinler at linux.ibm.com>; Ivan Li11 <rli11 at lenovo.com>;
> openbmc at lists.ozlabs.org
> Subject: Re: [External] Power-on monitor for phosphor-hwmon question
> 
> On 10/22/19 6:23 AM, Matt Spinler wrote:
> >
> >
> > 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.
> 
> It should force you to switch 100%, but you would at least have to run both.
> 
> Here's what dbus-sensors does:
> 
> https://github.com/openbmc/dbus-sensors/blob/432d1edf7ac86f69558273307
> a59e4b1cf86b8a6/src/Utils.cpp#L141
> 
> Basically just a dbus-match that sets a "powerStatusOn" bool that can be
> queried. Depending on the sensor type thresholds don't get crossed if that bool
> is set. We also have a similar bool for bios post, as some sensors come up later
> after power on.
> 

I try to use dbus-sensors and set "powerStatusOn" bool, but still have incorrect threshold logs during power on(S0) to power off(S5) state. 
Could you help to comment on it ?

> >
> >> 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
> >>
> >