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2026-08-20 - 08:53
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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 highest latencies:
System rack8slot1.osadl.org (updated Thu Aug 20, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
56669930792985,0cyclictest0-21swapper23:56:330
5666993019531,0cyclictest15839-21cat20:55:210
5666992869259,0cyclictest11674-1kworker/0:1H19:55:210
5666992718623,0cyclictest0-21swapper23:55:170
5666992665927,0cyclictest19833-21seq00:11:260
5666992648591,0cyclictest1618-21latency_hist20:15:220
5666992644630,0cyclictest1595-21jbd2/hda3-821:55:210
5666992622271,0cyclictest11674-1kworker/0:1H20:10:210
5666992591661,0cyclictest9-21ksoftirqd/019:15:220
5666992542310,0cyclictest21694-1kworker/0:1H23:00:210
5666992500688,0cyclictest24687-21latency_hist21:20:210
5666992491767,0cyclictest9396-21latency_hist22:10:210
5666992445579,0cyclictest1595-21jbd2/hda3-822:40:210
5666992415551,0cyclictest9-21ksoftirqd/023:45:250
5666992405542,0cyclictest1595-21jbd2/hda3-822:30:210
5666992394219,0cyclictest27063-1kworker/0:0H23:10:210
5666992391618,0cyclictest3387-21runrttasks20:20:210
5666992378467,0cyclictest1595-21jbd2/hda3-822:20:210
5666992372284,0cyclictest11674-1kworker/0:1H19:20:210
5666992371657,0cyclictest9-21ksoftirqd/022:50:200
5666992367616,0cyclictest1595-21jbd2/hda3-821:50:210
5666992357253,0cyclictest3531-1kworker/0:0H20:50:210
5666992351306,0cyclictest3531-1kworker/0:0H20:30:210
5666992335748,0cyclictest9-21ksoftirqd/000:20:210
5666992333261,0cyclictest3531-1kworker/0:0H21:30:220
5666992301536,0cyclictest0-21swapper00:15:210
5666992301252,0cyclictest3531-1kworker/0:0H21:40:210
5666992300589,0cyclictest0-21swapper21:35:210
5666992261362,0cyclictest27063-1kworker/0:0H23:30:210
5666992233564,0cyclictest32061-21latency_hist23:15:200
5666992229299,0cyclictest27063-1kworker/0:0H23:20:210
5666992164248,0cyclictest11674-1kworker/0:1H19:00:210
5666992065330,0cyclictest3531-1kworker/0:0H22:15:210
5666992026261,0cyclictest27063-1kworker/0:0H23:35:210
5666992022287,0cyclictest21694-1kworker/0:1H22:55:210
5666991971499,0cyclictest9-21ksoftirqd/020:46:350
5666991902626,0cyclictest21550-21which22:45:250
5666991897567,0cyclictest9-21ksoftirqd/019:40:210
5666991882316,0cyclictest3531-1kworker/0:0H20:26:350
5666991881161,0cyclictest3531-1kworker/0:0H22:35:210
5666991859260,0cyclictest11674-1kworker/0:1H19:45:250
5666991832540,0cyclictest4207-21snmpd20:05:240
5666991820545,0cyclictest9-21ksoftirqd/020:40:210
5666991801699,0cyclictest8723-21munin-node20:35:220
5666991775533,0cyclictest9-21ksoftirqd/022:05:240
5666991762724,0cyclictest9-21ksoftirqd/019:05:260
5666991668234,0cyclictest3531-1kworker/0:0H21:45:250
5666991666283,0cyclictest11674-1kworker/0:1H18:55:170
5666991616647,0cyclictest9-21ksoftirqd/021:06:350
5666991562471,0cyclictest9-21ksoftirqd/019:37:520
5666991543141,0cyclictest27063-1kworker/0:0H23:40:200
5666991539426,0cyclictest9-21ksoftirqd/021:12:440
5666991539405,0cyclictest29874-21tune2fs23:07:340
5666991529299,0cyclictest9-21ksoftirqd/021:27:440
5666991528237,0cyclictest11674-1kworker/0:1H19:50:210
5666991521233,0cyclictest27063-1kworker/0:0H00:02:350
5666991517422,0cyclictest18849-21tune2fs21:02:380
566699150031,0cyclictest11674-1kworker/0:1H20:02:300
5666991473277,0cyclictest9-21ksoftirqd/021:17:350
5666991464315,0cyclictest9-21ksoftirqd/023:27:390
5666991457533,0cyclictest9-21ksoftirqd/018:56:350
5666991434257,0cyclictest27063-1kworker/0:0H00:07:390
5666991431293,0cyclictest9-21ksoftirqd/019:32:310
5666991412423,0cyclictest1595-21jbd2/hda3-819:27:490
5666991374363,0cyclictest12313-21tune2fs19:12:330
5666991317260,0cyclictest3531-1kworker/0:0H22:00:210
5666991045402,0cyclictest9-21ksoftirqd/022:26:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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