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2025-05-03 - 02:05
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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 Fri May 02, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
941021810,5sleep12042699cyclictest14:26:361
2796121520,3sleep12042699cyclictest14:12:231
2539821450,5sleep32043899cyclictest11:39:163
3250021040,2sleep00-21swapper/009:46:400
151891930,4ptp4l401ktimersoftd/309:23:223
2043099680,5cyclictest26065-21chrt12:57:082
42492590,3sleep14254-21irqrtprio14:21:351
305952540,4sleep130560-21ssh13:41:361
20426995325,8cyclictest25-21ksoftirqd/113:11:461
20426995322,8cyclictest25-21ksoftirqd/113:21:351
191262530,1sleep20-21swapper/212:50:542
149272530,2sleep30-21swapper/312:46:053
20426995222,5cyclictest25-21ksoftirqd/114:06:361
2042699516,9cyclictest25-21ksoftirqd/111:36:461
20426995024,9cyclictest25-21ksoftirqd/112:21:321
20426995023,8cyclictest25-21ksoftirqd/113:01:151
20426995023,7cyclictest25-21ksoftirqd/110:56:461
202502504,34sleep20-21swapper/209:25:192
2042699495,10cyclictest25-21ksoftirqd/112:11:301
2042699495,10cyclictest25-21ksoftirqd/112:11:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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