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blk_mq_map_queues - Coggle Diagram
blk_mq_map_queues
test result on nvme aarch64
libaio/dio
v5.13
166K
v5.13 patched
159K
io_uring/dio
v5.13
187K
v5.13 patched
184K
buffered
v5.13
6836(4k), 6187(64k)
v5.13 patched
6717(4k), 6306(64k)
what matters is actually 'taskset -c'
cpu migration cause the issue?
ideas
reuse managed irq's mapping
sched_setaffinity
plays a big role on aarch64