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2026-06-21 - 08:06
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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 Jun 21, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2130599354431,0cyclictest29493-21tune2fs23:56:150
21305992704626,0cyclictest9-21ksoftirqd/019:54:080
21305992670714,0cyclictest21409-21runrttasks18:59:060
213059926162509,0cyclictest0-21swapper23:39:070
21305992475236,0cyclictest4804-1kworker/0:0H21:14:070
21305992449756,0cyclictest6081-21runrttasks21:19:090
21305992435524,0cyclictest9-21ksoftirqd/000:09:100
21305992398628,0cyclictest9-21ksoftirqd/019:14:080
21305992377701,0cyclictest28848-21munin-node22:24:060
21305992375656,0cyclictest9-21ksoftirqd/022:44:070
21305992373488,0cyclictest9-21ksoftirqd/021:44:060
21305992369808,0cyclictest19045-21ls20:24:080
21305992337627,0cyclictest26979-21latency_hist22:19:070
21305992333269,0cyclictest4804-1kworker/0:0H23:44:060
21305992322254,0cyclictest4804-1kworker/0:0H00:04:070
21305992314614,0cyclictest9-21ksoftirqd/019:04:070
21305992314585,0cyclictest9-21ksoftirqd/020:04:070
21305992310268,0cyclictest4804-1kworker/0:0H19:19:080
21305992291265,0cyclictest4804-1kworker/0:0H20:14:070
21305992285582,0cyclictest9-21ksoftirqd/000:14:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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