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From: rgrs <rgrs@protonmail.com>
To: James Feist <james.feist@linux.intel.com>
Cc: "openbmc@lists.ozlabs.org" <openbmc@lists.ozlabs.org>,
	Alexander Amelkin <a.amelkin@yadro.com>,
	"Thomaiyar,
	Richard Marian" <richard.marian.thomaiyar@linux.intel.com>
Subject: Re: Faking Sensor Readings
Date: Fri, 06 Dec 2019 11:32:30 +0000	[thread overview]
Message-ID: <JIIzLFDdd2_yAem6ToyksGqeJ7ulaTOylaocMLH19rYqyv3fSzcEL2H9VDJW66iYQY8L8FwjgpZqPFj8rRD0JP52xsAHQ6kD4_ygDAjj0LE=@protonmail.com> (raw)
In-Reply-To: <2de3b2e2-9b02-a1c2-d310-f6e546e72c1e@linux.intel.com>

Hi,

I dont see any new service even after adding dbus-sensors.
Please can you point to any platform in upstream that I can refer to?

Thanks,
Raj

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Wednesday, December 4, 2019 10:40 PM, James Feist <james.feist@linux.intel.com> wrote:

> On 12/4/19 1:39 AM, rgrs wrote:
>
> > Hi James,
> > I tried busctl set-property, but the values didn't change.
> > Are the steps below correct?
> > (test with both 'field mode' enabled and disabled)
> > root@obmc:~# busctl introspect xyz.openbmc_project.Hwmon-2439434288.Hwmon1 /xyz/openbmc_project/sensors/temperature/INLET_TEMP xyz.openbmc_project.Sensor.Value --no-pager
> > NAME TYPE SIGNATURE RESULT/VALUE FLAGS
> > .MaxValue property x 0 emits-change writable
> > .MinValue property x 0 emits-change writable
> > .Scale property x -3 emits-change writable
> > .Unit property s "xyz.openbmc_project.Sensor.Value.Unit.… emits-change writable
>
> This looks like phosphor-hwmon, not dbus-sensors
> https://github.com/openbmc/dbus-sensors.
>
> > .Value property x 18500 emits-change writable
> > root@obmc:~# busctl --no-pager set-property xyz.openbmc_project.Hwmon-2439434288.Hwmon1 /xyz/openbmc_project/sensors/temperature/INLET_TEMP xyz.openbmc_project.Sensor.Value Value x 50000
> > root@saber:~# busctl --no-pager get-property xyz.openbmc_project.Hwmon-2439434288.Hwmon1 /xyz/openbmc_project/sensors/temperature/INLET_TEMP xyz.openbmc_project.Sensor.Value Value
> > x 18500
> > root@obmc:~#
> > Thanks,
> > Raj
> > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> > On Wednesday, December 4, 2019 1:34 AM, James Feist james.feist@linux.intel.com wrote:
> > > On 12/3/19 5:49 AM, Alexander Amelkin wrote:
> > >
> > > > 03.12.2019 15:06, rgrs wrote:
> > > >
> > > > > Hi,
> > > > > How do I fake sensor readings in OpenBMC?
> > > > > We're trying to fake temperature sensors and make sure fans ramp up/down
> > > > > accordingly.
> > > >
> > > > We ended up patching the kernel driver to fake the readings by request.
> > > > I'm not aware of any ready interface in OpenBMC for that.
> > >
> > > If you're using d-bus sensors, the sensor property is writable. It is
> > > also supported by patching the sensor value in redfish.
> > >
> > > > With best regards,
> > > > Alexander Amelkin
> > /james.feist@linux.intel.com

  reply	other threads:[~2019-12-06 11:32 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-03 12:06 Faking Sensor Readings rgrs
2019-12-03 13:49 ` Alexander Amelkin
2019-12-03 20:04   ` James Feist
2019-12-04  9:39     ` rgrs
2019-12-04 17:10       ` James Feist
2019-12-06 11:32         ` rgrs [this message]
2019-12-09 18:28           ` James Feist
2019-12-11  9:14             ` rgrs
2019-12-11 17:29               ` James Feist
2019-12-12  5:28                 ` rgrs
2019-12-12 15:57                   ` James Feist
2019-12-13  6:06                     ` rgrs

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