Change in libosmocore[master]: refactor stat_item: report only changed values

[neels]

Hello Jenkins Builder, laforge, pespin, daniel, 

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

    https://gerrit.osmocom.org/c/libosmocore/+/25465

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

Change subject: refactor stat_item: report only changed values
......................................................................

refactor stat_item: report only changed values

Change the functionality of skipping unchanged values: instead of
looking up whether new values have been set on a stat item, rather
remember the last reported value and skip reporting identical values.

stats_test.c shows that previously, a stat item reported a value of 10
again, even though the previous report had already sent a value of 10.
That's just because the value 10 was explicitly set again, internally.

>From a perspective of preserving all data points, it could make sense to
send consecutive identical values. But since we already collapse all
data points per reporting period into a max, that is pointless.

Related: SYS#5542
Change-Id: I8f4cf34dfed17e0879716fa2cbeee137c158978b
---
M TODO-RELEASE
M src/stats.c
M tests/stats/stats_test.c
M tests/stats/stats_test.err
4 files changed, 9 insertions(+), 14 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/65/25465/5
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: I8f4cf34dfed17e0879716fa2cbeee137c158978b
Gerrit-Change-Number: 25465
Gerrit-PatchSet: 5
Gerrit-Owner: neels <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: daniel <dwillmann at sysmocom.de>
Gerrit-Reviewer: laforge <laforge at osmocom.org>
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newpatchset
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