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From: Ivan Li11 <rli11@lenovo.com>
To: Matt Spinler <mspinler@linux.ibm.com>, "openbmc@lists.ozlabs.org"
 <openbmc@lists.ozlabs.org>
Subject: RE: [External] Power-on monitor for phosphor-hwmon question
Thread-Topic: [External] Power-on monitor for phosphor-hwmon question
Thread-Index: AQHViNvz9OdLXZ460kajgXlfSVMf8KefRJjw
Date: Wed, 27 Nov 2019 14:25:30 +0000
Message-ID: <4a5d0d467dd34a72a61397118b38c16a@lenovo.com>
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> -----Original Message-----
> From: Matt Spinler <mspinler@linux.ibm.com>
> Sent: Tuesday, October 22, 2019 9:24 PM
> To: Ivan Li11 <rli11@lenovo.com>; openbmc@lists.ozlabs.org
> Subject: Re: [External] Power-on monitor for phosphor-hwmon question
>=20
>=20
>=20
> 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.=A0 We've had a few interna=
l
> 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 anyt=
hing
> scheduled yet.
>=20
> It would be easy enough to have a watch on the PGOOD property, and then d=
o
> you what you want, like maybe turning off the thresholds.
>=20
> I heard that the d-bus sensors repository has some sort of support for th=
is, 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.
>=20

Hi Matt,
We can use dbus-match mechanism in phosphor-hwmon to turn on/off the thresh=
olds just like what dbus-sensors repository does in the following link:
https://github.com/openbmc/dbus-sensors/blob/432d1edf7ac86f69558273307a59e4=
b1cf86b8a6/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.

> > Thanks your great support in advance.
> >
> > *From:*openbmc <openbmc-bounces+rli11=3Dlenovo.com@lists.ozlabs.org>
> *On
> > Behalf Of *Ivan Li11
> > *Sent:* Friday, October 18, 2019 5:59 PM
> > *To:* openbmc@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
> >