== sanity test 127d: OSC RPC latency histograms for read and write latency ========================================================== 15:01:05 (1774897265) osc.lustre-OST0000-osc-ffff8bde104f0000.rpc_stats=clear osc.lustre-OST0001-osc-ffff8bde104f0000.rpc_stats=clear 10+0 records in 10+0 records out 10485760 bytes (10 MB, 10 MiB) copied, 0.775502 s, 13.5 MB/s 10+0 records in 10+0 records out 10485760 bytes (10 MB, 10 MiB) copied, 0.626742 s, 16.7 MB/s RPC stats after I/O: snapshot_time: 1774897267.909464588 secs.nsecs start_time: 1774897266.211410667 secs.nsecs elapsed_time: 1.698053921 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 DIO RPCs in flight: 0 pending write pages: 0 pending read pages: 0 read write pages per rpc rpcs % cum % | rpcs % cum % 1: 0 0 0 | 0 0 0 2: 0 0 0 | 0 0 0 4: 0 0 0 | 0 0 0 8: 0 0 0 | 0 0 0 16: 0 0 0 | 0 0 0 32: 0 0 0 | 0 0 0 64: 0 0 0 | 0 0 0 128: 0 0 0 | 1 100 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 1 100 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 1 100 100 read write RPC latency (us) count % cum % | count % cum % 0: 0 0 0 | 0 0 0 1: 0 0 0 | 0 0 0 2: 0 0 0 | 0 0 0 4: 0 0 0 | 0 0 0 8: 0 0 0 | 0 0 0 16: 0 0 0 | 0 0 0 32: 0 0 0 | 0 0 0 64: 0 0 0 | 0 0 0 128: 0 0 0 | 0 0 0 256: 0 0 0 | 0 0 0 512: 0 0 0 | 0 0 0 1024: 0 0 0 | 0 0 0 2048: 0 0 0 | 0 0 0 4096: 0 0 0 | 0 0 0 8192: 0 0 0 | 0 0 0 16384: 0 0 0 | 1 100 100 snapshot_time: 1774897267.909558980 secs.nsecs start_time: 1774897266.211643061 secs.nsecs elapsed_time: 1.697915919 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 DIO RPCs in flight: 0 pending write pages: 0 pending read pages: 0 read write pages per rpc rpcs % cum % | rpcs % cum % 1: 0 0 0 | 0 0 0 2: 0 0 0 | 0 0 0 4: 0 0 0 | 0 0 0 8: 0 0 0 | 0 0 0 16: 0 0 0 | 0 0 0 32: 0 0 0 | 0 0 0 64: 0 0 0 | 0 0 0 128: 0 0 0 | 0 0 0 256: 10 100 100 | 10 100 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 5 50 50 | 10 100 100 2: 4 40 90 | 0 0 100 3: 1 10 100 | 0 0 100 read write offset rpcs % cum % | rpcs % cum % 0: 1 10 10 | 1 10 10 1: 0 0 10 | 0 0 10 2: 0 0 10 | 0 0 10 4: 0 0 10 | 0 0 10 8: 0 0 10 | 0 0 10 16: 0 0 10 | 0 0 10 32: 0 0 10 | 0 0 10 64: 0 0 10 | 0 0 10 128: 0 0 10 | 0 0 10 256: 1 10 20 | 1 10 20 512: 2 20 40 | 2 20 40 1024: 4 40 80 | 4 40 80 2048: 2 20 100 | 2 20 100 read write RPC latency (us) count % cum % | count % cum % 0: 0 0 0 | 0 0 0 1: 0 0 0 | 0 0 0 2: 0 0 0 | 0 0 0 4: 0 0 0 | 0 0 0 8: 0 0 0 | 0 0 0 16: 0 0 0 | 0 0 0 32: 0 0 0 | 0 0 0 64: 0 0 0 | 0 0 0 128: 0 0 0 | 0 0 0 256: 0 0 0 | 0 0 0 512: 0 0 0 | 0 0 0 1024: 0 0 0 | 0 0 0 2048: 0 0 0 | 0 0 0 4096: 2 20 20 | 5 50 50 8192: 4 40 60 | 3 30 80 16384: 3 30 90 | 2 20 100 32768: 1 10 100 | 0 0 100 Read latency found: 1 Write latency found: 1