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Hi,

I installed build-lvm-testing SFOS 3.4.0.24, specifically the output of Job #871937492, on 2020-12-24.

I noticed that it logs quite a lot in /data/vendor/wifi/wlan_logs. (I started looking because after flashing 3.4.0.24 my battery life, with nearly no use at all, went from a few days to barely a day.)

[root@Pro1 ~]# du -hs /data/vendor/wifi/wlan_logs
143.0M	/data/vendor/wifi/wlan_logs
[root@Pro1 ~]# date ; ls -lhrt /data/vendor/wifi/wlan_logs
Mon Dec 28 17:58:34 CET 2020
total 143M   
-rw-------    1 system   system         0 Oct  6 19:32 txrx_pktlog_current.dat
-rw-------    1 system   system     30.0M Dec 28 16:30 host_driver_logs_001.txt
-rw-------    1 system   system     30.0M Dec 28 16:49 host_driver_logs_002.txt
-rw-------    1 system   system     30.0M Dec 28 16:51 cnss_fw_logs_000.txt
-rw-------    1 system   system     30.0M Dec 28 16:55 cnss_fw_logs_001.txt
-rw-------    1 system   system     12.3M Dec 28 16:56 host_driver_logs_current.txt
-rw-------    1 system   system     10.6M Dec 28 16:56 cnss_fw_logs_current.txt
[root@Pro1 ~]# 

I have not checked if the official Jolla images also log this much. (Since I own a Pro1, my Xperia with Jolla provided OS on it has been in a shelf and I have not updated it yet).

While I understand why it's important to log in -devel builds, would you consider having it not log in the -testing builds?

This RFE is not so much because of the battery drain, I'll have to monitor that in the days to come, but because I believe that if WLAN is giving me trouble, then I would switch logging on explicitly (or just install a -devel build). And a tad over 140 megs over a couple days does seem a wee bit excessive.