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2026-03-14 - 11:46
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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 100 highest latencies:
System rack4slot1.osadl.org (updated Fri Mar 13, 2026 19:36:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7328214650,7sleep20-21swapper/219:11:502
7328214650,7sleep20-21swapper/219:11:502
7325212130,4sleep10-21swapper/119:11:491
7325212130,4sleep10-21swapper/119:11:491
759527660,1sleep012-21ksoftirqd/019:11:520
759527660,1sleep012-21ksoftirqd/019:11:520
1307321190,2sleep30-21swapper/319:26:463
1307321190,2sleep30-21swapper/319:26:463
109492580,4sleep30-21swapper/319:21:403
7674993821,7cyclictest13135-21find19:26:482
7674993821,7cyclictest13135-21find19:26:482
767499241,3cyclictest15058-21find19:31:472
767299243,5cyclictest12-21ksoftirqd/019:26:460
767299243,5cyclictest12-21ksoftirqd/019:26:460
74612242,16sleep30-21swapper/319:11:523
74612242,16sleep30-21swapper/319:11:523
767299233,6cyclictest12-21ksoftirqd/019:21:370
767299231,7cyclictest0-21swapper/019:31:390
767399223,6cyclictest131rcu_preempt19:21:451
767299215,5cyclictest12-21ksoftirqd/019:16:450
767299215,5cyclictest12-21ksoftirqd/019:16:450
7673992014,4cyclictest201rcuc/119:31:471
767499191,2cyclictest131rcu_preempt19:21:452
7673991911,6cyclictest12887-21awk19:26:441
7673991911,6cyclictest12887-21awk19:26:441
767499181,3cyclictest0-21swapper/219:16:402
767499181,3cyclictest0-21swapper/219:16:402
7673991812,4cyclictest21-21ksoftirqd/119:21:251
7673991812,4cyclictest21-21ksoftirqd/119:21:251
767599151,9cyclictest0-21swapper/319:16:463
767599151,9cyclictest0-21swapper/319:16:463
767599131,10cyclictest0-21swapper/319:36:323
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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