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2026-03-21 - 16:56
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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 Sat Mar 21, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27938993089165,0cyclictest28034-21latency_hist07:04:300
27938992788239,0cyclictest18636-1kworker/0:0H11:04:310
27938992627272,0cyclictest18636-1kworker/0:0H11:29:320
27938992599272,0cyclictest18636-1kworker/0:0H09:49:330
27938992531487,0cyclictest5107-21munin-node09:04:330
27938992513563,0cyclictest13972-21munin-node09:29:330
27938992497205,0cyclictest18636-1kworker/0:0H12:04:330
27938992480263,0cyclictest18636-1kworker/0:0H10:04:340
27938992426654,0cyclictest0-21swapper10:19:320
27938992405807,0cyclictest26371-21munin-node11:39:330
27938992402432,0cyclictest1595-21jbd2/hda3-808:29:330
27938992375647,0cyclictest19281-21ls09:44:330
27938992374260,0cyclictest18636-1kworker/0:0H09:09:320
27938992346668,0cyclictest4427-21latency_hist07:29:320
27938992346631,0cyclictest9-21ksoftirqd/008:39:320
27938992344583,0cyclictest9-21ksoftirqd/012:14:360
27938992340235,0cyclictest18636-1kworker/0:0H09:39:310
27938992334756,0cyclictest23418-21latency_hist08:24:330
27938992319507,0cyclictest9-21ksoftirqd/010:49:320
27938992315537,0cyclictest9-21ksoftirqd/010:44:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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