https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-15957 Lustre <p>Although lnet_selftest is able to run "ping" tests (vs. "brw"), it doesn't appear to be collecting and reporting any data useful for analysing network latency.</p> <p>Use this ticket for tracking activities on adding network latency data collection and stats reporting to lnet_selftest.</p> <p> </p> LU-15957

LNet: add latency stats to lnet_selftest output

Improvement Minor Open Unresolved Cyril Bordage Serguei Smirnov lnetselftest Fri, 17 Jun 2022 20:28:07 +0000 Fri, 13 Oct 2023 01:58:04 +0000 0 3 <p>Not only lnet_selftest, but it also would be nice to print latency even in lnet ping.. it's same idea of ping command.</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre># ping c01 PING c01 (10.128.13.150) 56(84) bytes of data. 64 bytes from c01 (10.128.13.150): icmp_seq=1 ttl=64 time=0.346 ms 64 bytes from c01 (10.128.13.150): icmp_seq=2 ttl=64 time=0.189 ms </pre> </div></div> <p>So, it would have "lctl ping (or lnetctl ping &lt;NID&gt; -c count", then print latency of each round-trip. </p> Related LU-16833 Development Epic/Theme lnet Rank 1|i02sh3: Rank (Obsolete) 9223372036854775807