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2026-06-04 - 06:27
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 50 highest latencies:
System rack1slot8.osadl.org (updated Thu Jun 04, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234122961941,12sleep10-21swapper/119:05:381
2389199915862,46cyclictest0-21swapper/019:10:020
23892999094,889cyclictest0-21swapper/119:10:021
2389299478407,38cyclictest0-21swapper/119:24:521
2389199456387,47cyclictest0-21swapper/019:24:520
23891991075,95cyclictest0-21swapper/000:20:580
291342860,3chrt29137-21kernelversion21:25:181
298942780,5sleep1251rcuc/100:20:231
228699760,5rtkit-daemon2285-21rtkit-daemon21:45:530
48202730,2sleep1251rcuc/121:40:111
2373627340,22sleep00-21swapper/019:08:470
228699730,4rtkit-daemon2285-21rtkit-daemon23:09:200
2389199695,43cyclictest0-21swapper/020:48:590
2389199695,41cyclictest0-21swapper/023:57:580
228699690,5rtkit-daemon2285-21rtkit-daemon21:44:020
228699640,5rtkit-daemon2285-21rtkit-daemon22:29:040
2389199626,48cyclictest0-21swapper/023:00:170
23891996026,28cyclictest0-21swapper/019:58:450
2389199595,47cyclictest0-21swapper/022:55:020
2389199585,48cyclictest0-21swapper/000:34:200
23891995829,23cyclictest0-21swapper/000:38:250
23891995812,29cyclictest0-21swapper/023:53:500
228699580,5rtkit-daemon2285-21rtkit-daemon22:24:291
227912585,15sleep00-21swapper/021:11:530
2389199575,45cyclictest0-21swapper/023:38:330
2389199575,37cyclictest0-21swapper/022:57:580
2389199575,33cyclictest0-21swapper/021:10:000
23891995736,16cyclictest0-21swapper/023:28:430
23891995731,20cyclictest0-21swapper/000:08:170
54342564,20sleep00-21swapper/020:03:030
2389199566,44cyclictest0-21swapper/023:15:200
2389199566,43cyclictest0-21swapper/021:25:120
2389199565,34cyclictest0-21swapper/020:28:590
2389199564,46cyclictest0-21swapper/022:10:020
2389199564,46cyclictest0-21swapper/022:10:010
23891995630,13cyclictest0-21swapper/020:25:010
23891995628,15cyclictest0-21swapper/020:33:580
23891995623,27cyclictest0-21swapper/019:53:450
23891995623,25cyclictest0-21swapper/023:30:190
228699560,4rtkit-daemon2285-21rtkit-daemon23:49:410
228699560,4rtkit-daemon2285-21rtkit-daemon21:39:130
23892995524,25cyclictest26671-21runrttasks21:20:221
23892995520,29cyclictest30329-21munin-node22:25:171
2389199557,40cyclictest0-21swapper/021:57:580
23891995534,16cyclictest0-21swapper/020:50:200
23891995517,31cyclictest0-21swapper/022:30:490
2389199549,39cyclictest0-21swapper/023:10:190
2389199547,40cyclictest0-21swapper/000:12:080
2389199545,42cyclictest0-21swapper/022:00:570
2389199544,43cyclictest0-21swapper/022:20:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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