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2026-05-05 - 13:20
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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 Tue May 05, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2102799455956,0cyclictest4191-21lldpd23:21:500
21027992848830,0cyclictest29712-21python00:02:400
2102799283044,0cyclictest9-21ksoftirqd/020:56:520
21027992809703,0cyclictest0-21swapper00:12:220
210279927672068,0cyclictest0-21swapper23:09:040
21027992635810,0cyclictest29252-21seq00:01:510
21027992633687,0cyclictest9-21ksoftirqd/020:01:560
21027992525287,0cyclictest21289-1kworker/0:0H21:41:550
21027992503272,0cyclictest21289-1kworker/0:0H00:26:550
21027992483316,0cyclictest21289-1kworker/0:0H21:46:550
21027992406340,0cyclictest21289-1kworker/0:0H20:56:550
21027992404277,0cyclictest21289-1kworker/0:0H21:06:550
21027992356637,0cyclictest9-21ksoftirqd/022:21:540
21027992336289,0cyclictest21289-1kworker/0:0H19:26:550
21027992323308,0cyclictest21289-1kworker/0:0H00:16:550
21027992319287,0cyclictest21289-1kworker/0:0H19:56:550
21027992318203,0cyclictest21289-1kworker/0:0H23:36:540
21027992307670,0cyclictest15036-21latency_hist23:21:550
21027992307574,0cyclictest1595-21jbd2/hda3-819:16:550
21027992305722,0cyclictest9-21ksoftirqd/023:26:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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