Change in osmo-bsc[master]: add time_cc API: cumlative counter for time, reported as rate_ctr

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laforge gerrit-no-reply at lists.osmocom.org
Sun Oct 31 08:00:01 UTC 2021


laforge has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-bsc/+/25973 )

Change subject: add time_cc API: cumlative counter for time, reported as rate_ctr
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Patch Set 1:

> Well maybe then the question is why are you using rate_ctr and not stat_items here, it really confuses me.

At least at first sight, I agree.  The resulting metric computed by this  new code base renders a single value which matches better a state_item than a rate_ctr. Any particular argument to go for rate_ctr, Neels?

> But my understanding here is that allAvailableSDCCHAllocated fits with a stat_item, which is simply a counter value changing over time. So I'm not really following on why you need all this infrastructure sorry, this all looks super complicated for no reason (I'm able to see). Maybe someone else can also shed some light on it.

I guess the point is the definition of 	allAvailableSDCCHAllocated in TS 52.402:

"This measurement provides the accumulated time during the granularity period when all available SDCCHs are in use or otherwise unavailable to be allocated."

So it is not an instantaneous value of how many SDCCH are currently allocated, but actually accumulated time, as (I presume) neels' patch implements.

So the question remains: Should the result be exposed as rate_ctr or as stat_item?


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Gerrit-Project: osmo-bsc
Gerrit-Branch: master
Gerrit-Change-Id: Icdd36f27cb54b2e1b940c9e6404ba9dd3692a310
Gerrit-Change-Number: 25973
Gerrit-PatchSet: 1
Gerrit-Owner: neels <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-CC: laforge <laforge at osmocom.org>
Gerrit-CC: pespin <pespin at sysmocom.de>
Gerrit-Comment-Date: Sun, 31 Oct 2021 08:00:01 +0000
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