On 9/23/20 8:55 PM, Joseph Qi wrote: > In most cases we'll specify IORING_SETUP_SQPOLL and run multiple > io_uring instances in a host. Since all sqthreads are named > "io_uring-sq", it's hard to distinguish the relations between > application process and its io_uring sqthread. > With this patch, application can get its corresponding sqthread pid > and cpu through show_fdinfo. > Steps: > 1. Get io_uring fd first. > $ ls -l /proc/<pid>/fd | grep -w io_uring > 2. Then get io_uring instance related info, including corresponding > sqthread pid and cpu. > $ cat /proc/<pid>/fdinfo/<io_uring_fd> Applied, thanks. -- Jens Axboe
