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2025-09-18 - 10:34
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack7slot8.osadl.org (updated Wed Sep 17, 2025 14:44:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
248569917233,121cyclictest20604-21netstat11:05:370
24856991717,21cyclictest8083-21diskstats12:25:240
24253216818,49sleep024263-21users07:05:370
24856991677,138cyclictest1356-21snmpd12:30:280
248569916729,128cyclictest12429-21sshd10:35:430
24856991639,133cyclictest1801-21node09:25:530
248569916327,115cyclictest1356-21snmpd10:22:350
24856991619,113cyclictest13115-21fw_forwarded_lo08:30:290
24856991607,114cyclictest815-21rs:main0
248569916028,112cyclictest1424-21nginx09:20:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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