All,
I've been looking a incorrect sensor display issues with the ipmitool
that I would like
to get some feedback on before proposing a specific solution.
1. ipmitool does not properly decode discrete vrs analog units in all
cases
2. ipmitool does not correctly identify the Threshold Sensor class for
Compact and
Full sensors.
For #1, the IPMI spec states that the sensor units are identified in the
Full and Compact
SDR by the setting in the "Sensor Units 1" Field bits [7:6] "Analog
(numeric) Data Format".
See the "Sensor Units 1" Field description on pages 522 and 528 of the
latest IPMI spec.
The "Sensor Units 1" Field bits [7:6] field is not used in all cases by
the ipmitool to determine
discrete vrs analog sensor units.
For #2, both the Full and Compact SDR field "Event/Reading Type Code"
field identifies
whether or not a Event/Reading type is of class Threshold. This field
should be used by both
the Full and Compact sensor display routines to identify that the given
sensor class is of type
Threshold. See "Event/Reading Type Code" on pages 519 and 525 of the
latest IPMI spec
and Table 42-1 and Table 42-2.
In working through a possible solutions to the above issues, I started
looking in detail at the
feasibility of merging ipmi_sdr_print_sensor_compact and
ipmi_sdr_print_sensor_full into a
single function. In investigating this, I found a dissimilarity in
how these two routines treat the
global output flags, verbose, csv_verbose and sdr_extended. I believe
these two routines
should be treating these global output flags in exactly the same way.
For example, if you specify
both csv_output and verbose (-c -v) , the full print routine will output
csv formatted information
and use more verbose output for certain fields, but, the compact print
routine will not output
csv formatted information at all. I think the compact display routine
should be changed
to interpret these global output flags in exactly the same was as the
full display routine does.
Here are the main questions I am looking for some feedback on:
Is my interpretation of the IPMI spec with regard to #1 and #2
consistent with other peoples
understandings?
Can the compact sensor print routine (ipmi_sdr_print_sensor_compact) be
changed to interpret
the global output flags in the same way that the full sensor print
routine interprets them?
Thanks in advance,
--
-- Jim Mankovich | jm...@hp.com --
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