Messages in this thread | | | Date | Mon, 27 Feb 2023 15:15:51 -0800 | From | Jaegeuk Kim <> | Subject | Re: [PATCH] scsi: ufs: support IO traces for zoned block device |
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On 02/15, Christoph Hellwig wrote: > Why does UFS even have it's own common tracing instad of just relying > on the core SCSI one, and even worse pokes into command set specifics > which is a no-go for LLDDs. This code simply needs to go away instead > of beeing "enhanced".
I'm not sure how all the other vendors use the trace tho, at least to me, it's quite useful when debugging any UFS-specific information such as group_id and doorbell status along with the attached scsi command, in addition to the accurate latency measurements.
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