On 2024-06-06 02:53, Zhu Yanjun wrote: > On 05.06.24 21:29, Martin Oliveira wrote: >> This patch series enables P2PDMA memory to be used in userspace RDMA >> transfers. With this series, P2PDMA memory mmaped into userspace (ie. >> only NVMe CMBs, at the moment) can then be used with ibv_reg_mr() (or >> similar) interfaces. This can be tested by passing a sysfs p2pmem >> allocator to the --mmap flag of the perftest tools. > > Do you mean the following --mmap flag? > " > --mmap=file Use an mmap'd file as the buffer for testing P2P transfers. > " Yes > I am interested in this. Can you provide the full steps to make tests > with this patch series First start the server with: ib_read_bw Then run a client with something like this: ib_read_bw --mmap /sys/bus/pci/devices/0000\:c5\:00.0/p2pmem/allocate <host> Martin