[$] Reports from OSPM 2023, part 1

The fifth conference on PowerManagement and Scheduling in the Linux Kernel (abbreviated "OSPM") washeld on April 17 to 19 in Ancona, Italy. LWN was not there,unfortunately, but the attendees of the event have gotten together to writeup summaries of the discussions that took place and LWN has the privilegeof being able to publish them. Reports from the first day of the eventappear below.