[PATCH v1 0/1] nvme-pci: adaptive interrupt coalescing

Christoph Hellwig hch at lst.de
Mon Jul 20 07:59:27 PDT 2026


On Fri, Jul 17, 2026 at 10:06:24AM -0700, Bart Van Assche wrote:
>> Monitor the IOPS and average queue depth of inflight IO periodically
>> on each NVMe drive and enable/disable interrupt coalescing
>> automatically without user intervention. This feature is enabled by
>> default and can be disabled/enabled through debugfs during runtime.
>
> An algorithm like the above can be implemented more efficiently in NVMe
> controller hardware than in software, isn't it?

There is a lot of discussion on interrupt coalescing in the NVMe
technical working group right now.  I would suggest everyone working
for a member company (and that should be everyone one the cc list
here) to check that out before rushing anything.




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