What is the trickle message used for in the SRBase project?

It looks like you are :

Mon 10 Feb 2025 06:40:12 PM CST | SRBase | [trickle] read trickle file projects/srbase.my-firewall.org_sr5/trickle_up_R108_200-300k_wu_202913_0_1739234403.xml

If I suspend networking, the projects directory will start accumulating these trickle xml files

Contents:

<variety>llr_progress</variety>
<trickle_up>
<progress>0.203010</progress>
<cputime>664.883465</cputime>
<runtime>664.700000</runtime>
</trickle_up>