The 09/20/2022 17:47, Vincent Fu wrote: > On 9/20/22 14:08, Stephen Bates wrote: > > Hi fio'ers > > > > I have been working with a few others on NVMe performance in a range > > of different environments. At the same time I have been tracking some > > of the reports on IOPS per core for NVMe+io_uring [1][2]. I was hoping > > to create a standrd and repeatable test for this using a mix of > > packer, Ansible and AWS machines. > > > > The idea would be a scriptable flow to obtain a working > > fio+libiouring+kernel on some AWS EC2 instance(s) and then automate > > some tests to obtain IOPS per CPU core. > > > > To help me get started on this does anyone have any pointers on how > > best to configure the system to maximize this metric? Also any fio > > scripts for this that people can point me too would be excellent. > > > > If there is interest I would happily work this into a patch for fio > > (perhaps in some sort of CI way). > > > > Cheers > > > > Stephen Bates, PhD. > > > > [1]: https://www.phoronix.com/news/7.4M-IOPS-Linux-Per-Core > > [2]: https://twitter.com/axboe/status/1452689372395053062?lang=en > > Stephen, t/one-core-peak.sh was added last year by Erwan Velu and might be > useful to you: > > https://github.com/axboe/fio/blob/master/t/one-core-peak.sh > > Vincent Vincent Oh thanks! This is great. I will take a look at this and go from there. -- Cheers Stephen Bates, PhD.