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2026-08-05 - 08:25
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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 Aug 04, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
838999339345,0cyclictest111rcu_preempt08:56:560
8389993035711,0cyclictest9-21ksoftirqd/006:56:190
8389992897273,0cyclictest20819-1kworker/0:1H10:56:190
8389992538261,0cyclictest20819-1kworker/0:1H09:31:200
8389992536769,0cyclictest0-21swapper08:16:300
8389992526246,0cyclictest20819-1kworker/0:1H10:11:200
8389992512654,0cyclictest1595-21jbd2/hda3-810:31:200
8389992504696,0cyclictest4450-21runrttasks11:31:200
8389992483435,0cyclictest1595-21jbd2/hda3-811:11:190
8389992461259,0cyclictest20819-1kworker/0:1H09:11:190
8389992455680,0cyclictest9-21ksoftirqd/009:46:240
8389992455618,0cyclictest15430-21latency_hist11:51:190
8389992453678,0cyclictest5616-21which09:51:210
8389992450141,0cyclictest20819-1kworker/0:1H11:26:230
8389992445584,0cyclictest20791-21latency_hist07:31:190
8389992440282,0cyclictest20819-1kworker/0:1H07:26:240
8389992417581,0cyclictest26601-21latency_hist10:51:190
8389992416516,0cyclictest0-21swapper08:11:190
8389992407242,0cyclictest20819-1kworker/0:1H12:11:190
8389992384493,0cyclictest1595-21jbd2/hda3-809:21:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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