Messages in this thread |  | | Date | Tue, 19 Jul 2022 08:27:45 +0800 | Subject | Re: [LKP] Re: [io_uring] 584b0180f0: phoronix-test-suite.fio.SequentialWrite.IO_uring.Yes.Yes.1MB.DefaultTestDirectory.mb_s -10.2% regression | From | Yin Fengwei <> |
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On 7/19/2022 12:27 AM, Jens Axboe wrote: > On 7/17/22 9:30 PM, Yin Fengwei wrote: >> Hi Jens, >> >> On 7/15/2022 11:58 PM, Jens Axboe wrote: >>> In terms of making this more obvious, does the below also fix it for >>> you? >> >> The regression is still there after applied the change you posted. > > Still don't see the regression here, using ext4. I get about 1020-1045 > IOPS with or without the patch you sent. > > This is running it in a vm, and the storage device is nvme. What is > hosting your ext4 fs? > My local testing system is also a vm with SATA disk. LKP test platform is a native one with SATA disk.
I could reproduce the regression on both environment. I will try to use nvme to host my local vm disk and check whether we could see something different.
Regards Yin, Fengwei
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