On Tue, Jul 14, 2020 at 8:51 AM Pavel Machek <pavel@xxxxxxx> wrote: > > Hi! > > > > At first, I thought that the proposed system call is capable of > > > reading *multiple* small files using a single system call - which > > > would help increase HDD/SSD queue utilization and increase IOPS (I/O > > > operations per second) - but that isn't the case and the proposed > > > system call can read just a single file. > > > > If you want to do this for multple files, use io_ring, that's what it > > was designed for. I think Jens was going to be adding support for the > > open/read/close pattern to it as well, after some other more pressing > > features/fixes were finished. > > What about... just using io_uring for single file, too? I'm pretty > sure it can be wrapped in a library that is simple to use, avoiding > need for new syscall. Just wondering: is there a plan to add strace support to io_uring? And I don't just mean the syscalls associated with io_uring, but tracing the ring itself. I think that's quite important as io_uring becomes mainstream. Thanks, Miklos
