1Demonstrations of rdmaucma, the Linux eBPF/bcc version. 2 3 4This program traces RDMA UCMA(Userspace Connection Manager Access) events, 5then help us to analyze issues on RDMA CM. 6 7Example of rdmaucma: 8# ./rdmaucma 9Tracing RDMA Userspace Connection Manager Access event... Hit Ctrl-C to end. 10Timestamp Event Family Local Remote 1109:47:49 connect request IPv6 fdcc:abcd:15:479::165:6379 fdcc:abcd:15:479::166:61293 1209:47:49 established IPv6 fdcc:abcd:15:479::165:6379 fdcc:abcd:15:479::166:61293 1309:47:51 disconnected IPv6 fdcc:abcd:15:479::165:6379 fdcc:abcd:15:479::166:61293 1409:47:52 connect request IPv6 fdcc:abcd:15:479::165:6379 fdcc:abcd:15:479::166:33402 1509:47:52 established IPv6 fdcc:abcd:15:479::165:6379 fdcc:abcd:15:479::166:33402 1609:47:53 disconnected IPv6 fdcc:abcd:15:479::165:6379 fdcc:abcd:15:479::166:33402 1709:48:06 connect request IPv4 192.168.122.165:6379 192.168.122.166:41498 1809:48:06 established IPv4 192.168.122.165:6379 192.168.122.166:41498 1909:48:10 disconnected IPv4 192.168.122.165:6379 192.168.122.166:41498 2009:48:11 connect request IPv4 192.168.122.165:6379 192.168.122.166:19047 2109:48:11 established IPv4 192.168.122.165:6379 192.168.122.166:19047 2209:48:11 disconnected IPv4 192.168.122.165:6379 192.168.122.166:19047 23 24Full USAGE: 25 26# ./rdmaucma -h 27usage: rdmaucma [-h] [-D] 28 29Trace RDMA Userspace Connection Manager Access Event 30 31optional arguments: 32 -h, --help show this help message and exit 33 -D, --debug print BPF program before starting (for debugging purposes) 34 35examples: 36 ./rdmaucma # Trace all RDMA Userspace Connection Manager Access Event 37