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2026-08-04 - 06:08
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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 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
984299338428,0cyclictest20819-1kworker/0:1H23:56:120
9842992838769,0cyclictest0-21swapper00:12:090
98429926562235,0cyclictest0-21swapper00:08:230
9842992546540,0cyclictest9-21ksoftirqd/023:01:210
9842992531329,0cyclictest22391-1kworker/0:0H19:16:210
9842992499599,0cyclictest9-21ksoftirqd/022:56:200
9842992490479,0cyclictest1595-21jbd2/hda3-821:31:200
9842992483251,0cyclictest22391-1kworker/0:0H19:01:210
9842992437594,0cyclictest9568-21munin-node20:26:250
9842992347540,0cyclictest1595-21jbd2/hda3-823:36:210
9842992340561,0cyclictest25841-21cron19:41:210
9842992334711,0cyclictest29750-21munin-node21:26:250
9842992334576,0cyclictest16871-21ls22:21:210
9842992322536,0cyclictest9-21ksoftirqd/022:36:210
9842992307261,0cyclictest20819-1kworker/0:1H00:16:210
9842992303663,0cyclictest2194-21latency_hist23:11:190
9842992274489,0cyclictest9-21ksoftirqd/022:16:210
9842992240514,0cyclictest22637-21sendmail_mailtr21:06:260
9842992120281,0cyclictest20819-1kworker/0:1H20:16:210
9842992072217,0cyclictest20819-1kworker/0:1H23:41:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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