On Mon, May 07, 2018 at 08:53:16AM -0700, Steve Wise wrote: > This enhancement allows printing rdma device-specific state, if provided > by the kernel. This is done in a generic manner, so rdma tool doesn't > need to know about the details of every type of rdma device. > > Driver attributes for a rdma resource are in the form of <key, > [print_type], value> tuples, where the key is a string and the value can > be any supported driver attribute. The print_type attribute, if present, > provides a print format to use vs the standard print format for the type. > For example, the default print type for a PROVIDER_S32 value is "%d ", > but "0x%x " if the print_type of PRINT_TYPE_HEX is included inthe tuple. > > Driver resources are only printed when the -dd flag is present. > If -p is present, then the output is formatted to not exceed 80 columns, > otherwise it is printed as a single row to be grep/awk friendly. > > Example output: > > # rdma resource show qp lqpn 1028 -dd -p > link cxgb4_0/- lqpn 1028 rqpn 0 type RC state RTS rq-psn 0 sq-psn 0 path-mig-state MIGRATED pid 0 comm [nvme_rdma] > sqid 1028 flushed 0 memsize 123968 cidx 85 pidx 85 wq_pidx 106 flush_cidx 85 in_use 0 > size 386 flags 0x0 rqid 1029 memsize 16768 cidx 43 pidx 41 wq_pidx 171 msn 44 rqt_hwaddr 0x2a8a5d00 > rqt_size 256 in_use 128 size 130 idx 43 wr_id 0xffff881057c03408 idx 40 wr_id 0xffff881057c033f0 Hey some of these look like kernel pointers.. That is a no-no.. What is up there? The wr_id often contains a pointer, right? So we cannot just pass it to user space.. Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
