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2025-11-27 - 18:19
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackbslot6.osadl.org (updated Thu Nov 27, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2634321810,4sleep32838999cyclictest13:38:333
2779121680,3sleep22838199cyclictest11:05:442
2111221470,4sleep22838199cyclictest11:37:272
1773911110,7ptp4l8390-21kworker/3:008:17:303
157582730,2sleep30-21swapper/313:26:453
28381996957,7cyclictest33-21ksoftirqd/213:35:352
28381996451,6cyclictest33-21ksoftirqd/212:15:352
261132634,10sleep00-21swapper/008:15:220
191792630,1sleep10-21swapper/112:54:351
295222610,2sleep2311rcuc/210:30:072
300912600,2sleep30-21swapper/311:49:053
282182593,9sleep20-21swapper/208:19:562
281552584,10sleep10-21swapper/108:19:061
56082530,2sleep00-21swapper/011:58:450
28381995342,5cyclictest33-21ksoftirqd/212:50:352
2838999470,11cyclictest0-21swapper/312:00:423
28370994539,3cyclictest25-21ksoftirqd/110:50:341
28370994434,6cyclictest25-21ksoftirqd/110:30:341
2838999430,11cyclictest23939-21sh10:21:263
125752400,4sleep2321ktimersoftd/211:26:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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