Messages in this thread | | | Date | Fri, 19 Aug 2022 08:54:42 +0100 | Subject | Re: [ata] 0568e61225: stress-ng.copy-file.ops_per_sec -15.0% regression | From | John Garry <> |
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On 19/08/2022 07:24, Oliver Sang wrote: >> As you probably saw, I sent "[RFT PATCH] ata: libata: Set __ATA_BASE_SHT >> max_sectors" for testing on top of v6.0-rc1, and I hope that then we can get
Based on result below, I wonder if SAS HBAs (which use libata) should not use default SCSI max_sectors also. Any libsas HBA driver does today, IIRC.
>> same performance as v5.19 > yeah, our test confirmed your expectation: > > stress-ng.copy-file.ops_per_sec > v5.19 - 26.85 > v6.0-rc1 - 23.03 > v6.0-rc1 + your patch - 26.94 >
great, thanks
Thanks, John
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