On 07/12/2017 10:54 AM, weiping zhang wrote: > A mapping show as following: > > hctx cpus > hctx0 0 1 > hctx1 2 > hctx2 3 > hctx3 4 5 We already have that information in the /sys/block/<dev>/mq/X/cpu_list where X is the hardware queue number. Why do we need it in debugfs as well, presented differently? -- Jens Axboe