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2025-07-14tools/sched: Add dl_bw_dump.py for printing bandwidth accounting infoJuri Lelli
dl_rq bandwidth accounting information is crucial for the correct functioning of SCHED_DEADLINE. Add a drgn script for accessing that information at runtime, so that it's easier to check and debug issues related to it. Signed-off-by: Juri Lelli <juri.lelli@redhat.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: Marcel Ziswiler <marcel.ziswiler@codethink.co.uk> # nuc & rock5b Link: https://lore.kernel.org/r/20250627115118.438797-6-juri.lelli@redhat.com