On Wed, Sep 20, 2023 at 02:54:42PM -0500, Bob Pearson wrote: > Jason, > > I am trying to figure out what caused a big drop in performance in the rxe driver between > v6.5-rc5 and v6.5-rc6. The maximum performance for 'ib_send_bw -F -a' in local loopback mode > dropped from about 1.9GB/sec to 1.1GB/sec between these two tags. I have also measured the performance > of a 6.5 kernel with the 6.4 rxe driver and 6.4 infiniband/core drivers and that also shows the lower > performance so it is not something in the rdma subsystem. (In fact there were no changes in the rxe > driver from 6.5-rc5 to 6.5-rc6.) > > If I type 'git log --oneline v6.5-rc6 ^v6.5-rc5' I get about 360 lines but many of them are merge sets > that can contain many patches. Is there a way to list all the patches contained between these two > tags? I recommend you just do a git bisection, it will be more robust and 360 patches will not take many steps Jason
