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2026-05-17 - 02:07
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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 May 16, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
208119929121354,0cyclictest25250-21munin-node07:16:180
20811992555440,0cyclictest20903-21latency_hist07:01:140
20811992473696,0cyclictest9-21ksoftirqd/012:01:160
20811992334827,0cyclictest26271-21latency_hist11:06:150
20811992327209,0cyclictest6323-1kworker/0:0H07:21:170
20811992322737,0cyclictest17229-21ls10:36:160
20811992287671,0cyclictest9-21ksoftirqd/010:01:160
20811992285306,0cyclictest6323-1kworker/0:0H12:16:150
20811992284638,0cyclictest9-21ksoftirqd/011:01:160
20811992276234,0cyclictest6323-1kworker/0:0H08:06:160
20811992249235,0cyclictest6323-1kworker/0:0H08:41:150
20811992246546,0cyclictest9-21ksoftirqd/007:56:170
20811992236278,0cyclictest6323-1kworker/0:0H12:21:160
20811992236216,0cyclictest6323-1kworker/0:0H07:36:150
20811992210701,0cyclictest9-21ksoftirqd/007:26:150
20811992181311,0cyclictest6323-1kworker/0:0H09:21:160
20811992146645,0cyclictest9-21ksoftirqd/008:26:150
20811992137273,0cyclictest6323-1kworker/0:0H10:56:150
20811992113348,0cyclictest6323-1kworker/0:0H08:01:160
20811992109308,0cyclictest6323-1kworker/0:0H11:41:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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