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2025-12-12 - 10:58
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 20 highest latencies:
System rack8slot1.osadl.org (updated Fri Dec 12, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
240309924563,0cyclictest0-21swapper21:19:470
240309924382,0cyclictest3355-21runrttasks19:05:400
240309924178,0cyclictest28454-21munin-node18:54:090
240309924159,0cyclictest0-21swapper23:58:320
240309924079,0cyclictest3355-21runrttasks22:49:020
240309924073,0cyclictest9747-21munin-node19:44:090
240309923860,0cyclictest0-21swapper20:08:210
240309923331,0cyclictest9800-21snmpd19:36:580
240309923256,0cyclictest0-21swapper23:44:170
2403099232193,0cyclictest174462sleep020:09:510
240309923161,0cyclictest20768-21aten2.4-expect20:20:160
240309922981,0cyclictest1594-21jbd2/hda3-820:15:170
240309922945,0cyclictest0-21swapper21:04:290
240309922868,0cyclictest32400-21cpu22:35:010
240309922850,0cyclictest0-21swapper20:30:280
240309922768,0cyclictest2013-21df19:15:110
240309922170,0cyclictest28201-21sh00:03:560
240309922065,0cyclictest13199-21kworker/u2:123:40:150
240309922034,0cyclictest18558-21ntp_states23:34:270
240309921957,0cyclictest0-21swapper21:30:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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