Change in osmo-bts[master]: paging: prioritize CS related paging over PS related pagings.

dexter gerrit-no-reply at lists.osmocom.org
Mon Jun 21 11:38:57 UTC 2021


dexter has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-bts/+/24658 )

Change subject: paging: prioritize CS related paging over PS related pagings.
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Patch Set 4:

(1 comment)

https://gerrit.osmocom.org/c/osmo-bts/+/24658/2/src/common/paging.c 
File src/common/paging.c:

https://gerrit.osmocom.org/c/osmo-bts/+/24658/2/src/common/paging.c@277 
PS2, Line 277: 		LOGP(DPAG, LOGL_NOTICE, "Dropping paging for PS, queue congested (%u)\n",
> Why dropping instead of simply prioritizing during Um scheduling time? […]
If we do not drop the PS pagings than they are added to the queue from the top.

The paging queue then dequeues 4 pagings from the queue. If one of it is an immedia assignment (PS), then it puts all the CS pagings it has dequeued back onto the queue. The immediate assignment paging is sent and the next cycle begins.

If we would add it and prioritize at the moment of of dequeing the effect would be nearly the same. Also immediate assignments do not cycle in the queue.



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Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-Change-Id: I30f97672d7a0c369c4a656e878ab8cbbd83e31ea
Gerrit-Change-Number: 24658
Gerrit-PatchSet: 4
Gerrit-Owner: dexter <pmaier at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: fixeria <vyanitskiy at sysmocom.de>
Gerrit-Reviewer: laforge <laforge at osmocom.org>
Gerrit-Reviewer: neels <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-Comment-Date: Mon, 21 Jun 2021 11:38:57 +0000
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