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2026-09-13 - 11:08
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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 Sun Sep 13, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2982199375223,0cyclictest0-21swapper23:46:100
29821993193836,0cyclictest5669-21telnet23:55:080
29821992770660,0cyclictest9-21ksoftirqd/022:53:500
29821992673521,0cyclictest10313-21latency_hist00:08:520
29821992542702,0cyclictest32707-21latency_hist22:08:500
29821992456601,0cyclictest28578-21cut23:28:500
29821992426586,0cyclictest1595-21jbd2/hda3-822:46:250
29821992412607,0cyclictest1595-21jbd2/hda3-821:18:500
29821992405474,0cyclictest9-21ksoftirqd/022:13:500
29821992373617,0cyclictest0-21swapper22:28:500
29821992373604,0cyclictest0-21swapper23:38:500
29821992372643,0cyclictest9-21ksoftirqd/023:08:500
29821992357601,0cyclictest0-21swapper21:38:490
29821992351544,0cyclictest9-21ksoftirqd/019:03:540
29821992349258,0cyclictest26074-1kworker/0:1H22:18:510
29821992348682,0cyclictest27458-21latency_hist20:18:500
29821992337252,0cyclictest26074-1kworker/0:1H23:13:500
29821992335612,0cyclictest12730-21latency_hist21:08:500
29821992333643,0cyclictest9-21ksoftirqd/019:38:510
29821992327564,0cyclictest0-21swapper19:28:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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