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2026-01-07 - 13:02
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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 Wed Jan 07, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191419939913934,0cyclictest26630-21cat00:13:410
19141993360815,0cyclictest0-21swapper23:45:050
19141993287397,0cyclictest0-21swapper23:11:090
19141993120570,0cyclictest9-21ksoftirqd/023:59:270
191419930362161,0cyclictest9-21ksoftirqd/023:25:030
191419929721615,0cyclictest0-21swapper23:29:050
19141992789240,0cyclictest20800-1kworker/0:2H20:08:490
19141992719643,0cyclictest9-21ksoftirqd/023:08:430
19141992471722,0cyclictest24429-21latency_hist19:23:480
19141992341229,0cyclictest20800-1kworker/0:2H23:13:460
19141992314211,0cyclictest20800-1kworker/0:2H20:23:470
19141992277266,0cyclictest20800-1kworker/0:2H00:03:470
19141992216282,0cyclictest20800-1kworker/0:2H20:53:470
19141992210196,0cyclictest20800-1kworker/0:2H21:48:480
19141992195315,0cyclictest20800-1kworker/0:2H21:13:460
19141992180279,0cyclictest20800-1kworker/0:2H00:28:470
19141992165292,0cyclictest20800-1kworker/0:2H23:43:450
19141992157269,0cyclictest20800-1kworker/0:2H22:13:470
19141992153264,0cyclictest20800-1kworker/0:2H19:13:470
19141992150234,0cyclictest20800-1kworker/0:2H21:08:470
19141992075278,0cyclictest20800-1kworker/0:2H20:13:470
19141991955290,0cyclictest20800-1kworker/0:2H22:48:460
1914199194225,0cyclictest0-21swapper20:06:060
191419919381786,0cyclictest13213-21ntp_states23:34:060
19141991918262,0cyclictest20800-1kworker/0:2H19:28:480
19141991917159,0cyclictest20800-1kworker/0:2H21:03:510
19141991907128,0cyclictest20800-1kworker/0:2H19:08:470
19141991873153,0cyclictest20800-1kworker/0:2H19:53:470
19141991866839,0cyclictest19196-21cat19:08:430
19141991839329,0cyclictest20800-1kworker/0:2H21:18:510
19141991820260,0cyclictest20800-1kworker/0:2H20:43:470
19141991818365,0cyclictest20800-1kworker/0:2H20:33:470
19141991778740,0cyclictest11039-21ls20:18:530
19141991746319,0cyclictest20800-1kworker/0:2H19:48:480
19141991744755,0cyclictest4442-21latency_hist19:58:520
19141991737292,0cyclictest20800-1kworker/0:2H22:08:470
19141991734682,0cyclictest3242-21latency_hist21:28:470
19141991725267,0cyclictest20800-1kworker/0:2H22:28:460
19141991706262,0cyclictest20800-1kworker/0:2H19:18:510
19141991699272,0cyclictest20800-1kworker/0:2H00:33:470
19141991693501,0cyclictest1595-21jbd2/hda3-820:51:120
19141991683309,0cyclictest20800-1kworker/0:2H22:18:520
1914199168129,0cyclictest20800-1kworker/0:2H22:56:070
19141991672280,0cyclictest20800-1kworker/0:2H00:13:460
19141991662606,0cyclictest29327-21perl19:36:100
19141991658315,0cyclictest20800-1kworker/0:2H22:58:510
19141991641302,0cyclictest20800-1kworker/0:2H20:28:470
19141991638204,0cyclictest20800-1kworker/0:2H21:53:460
19141991635285,0cyclictest20800-1kworker/0:2H21:38:510
19141991625784,0cyclictest31566-21munin-node19:43:470
19141991615233,0cyclictest20800-1kworker/0:2H20:58:510
19141991607217,0cyclictest20800-1kworker/0:2H22:33:470
19141991606244,0cyclictest20800-1kworker/0:2H21:33:470
19141991604279,0cyclictest20800-1kworker/0:2H00:23:460
19141991602286,0cyclictest20800-1kworker/0:2H23:48:520
19141991586495,0cyclictest9-21ksoftirqd/022:46:200
19141991564305,0cyclictest20800-1kworker/0:2H21:43:460
19141991544582,0cyclictest9-21ksoftirqd/022:38:580
19141991542222,0cyclictest20800-1kworker/0:2H23:56:190
19141991519145,0cyclictest20800-1kworker/0:2H22:03:500
19141991498514,0cyclictest9-21ksoftirqd/020:41:210
19141991467406,0cyclictest9-21ksoftirqd/019:41:140
19141991448368,0cyclictest9-21ksoftirqd/000:21:240
19141991416579,0cyclictest2777-21perl21:26:110
19141991396439,0cyclictest1595-21jbd2/hda3-822:01:140
19141991241453,0cyclictest9-21ksoftirqd/023:20:010
1914199760334,0cyclictest9-21ksoftirqd/022:24:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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