Re: [PATCH] nvme: trace: parse format nvm command in detail

Christoph Hellwig
2021-01-06T09:01:18Z

On Mon, Jan 04, 2021 at 08:02:20AM -0800, Keith Busch wrote:
> Perhaps it's too late since we've already gone done this path in the
> driver, but IMO, we should have only traced raw dwords without any
> additional decoding. This would have allowed consistent output for all
> kernel versions and resilient to future spec changes. Then that could
> have made possible for a user space utility to do the decoding to a
> human friendly format, kind of like what blkparse does for block layer
> trace events.

the block tracepoints actually contain pretty detailed decoding as well.