Change in osmo-bsc[master]: hodec2: fix congestion oscillation bug

[neels]

Hello Jenkins Builder, pespin, 

I'd like you to reexamine a change. Please visit

    https://gerrit.osmocom.org/c/osmo-bsc/+/21989

to look at the new patch set (#5).

Change subject: hodec2: fix congestion oscillation bug
......................................................................

hodec2: fix congestion oscillation bug

When evenly distributing congestion across cells, count the number of
occupied lchans surpassing congestion, and not the overall number of
free lchans -- which disregards congestion thresholds.

Fix the bugs shown by
 test_congestion_no_oscillation.ho_vty
 test_balance_congestion_tchf_tchh.ho_vty

This implements a simple calculation for congestion load by counting
lchans in use above congestion. An improvement of this calculation
using percent follows in I55234c6c99eb02ceee52be0d7388bea14304930f.

Related: SYS#5259
Change-Id: Icb373dc6bfc9819446db5e96f71921781fe2026d
---
M src/osmo-bsc/handover_decision_2.c
M tests/handover/test_balance_congestion_tchf_tchh.ho_vty
M tests/handover/test_congestion_no_oscillation.ho_vty
M tests/handover/test_congestion_no_oscillation2.ho_vty
4 files changed, 14 insertions(+), 36 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/89/21989/5
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Gerrit-Project: osmo-bsc
Gerrit-Branch: master
Gerrit-Change-Id: Icb373dc6bfc9819446db5e96f71921781fe2026d
Gerrit-Change-Number: 21989
Gerrit-PatchSet: 5
Gerrit-Owner: neels <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newpatchset
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