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2025-12-13 - 05:18
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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 50 highest latencies:
System rack0slot1.osadl.org (updated Sat Dec 13, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
276299754747,6cyclictest29680-21dmesg19:56:397
108429085,3sleep50-21swapper/519:05:265
168327772,3sleep60-21swapper/619:09:046
65032630,1sleep777-21rcuc/722:45:507
152226348,10sleep40-21swapper/419:06:534
113302620,0sleep30-21swapper/323:19:103
290952580,0sleep20-21swapper/223:34:392
3201225550,3sleep30-21swapper/319:05:003
270302530,0sleep30-21swapper/320:55:113
8982510,0sleep60-21swapper/600:16:566
281822450,0sleep00-21swapper/000:15:060
175024233,4sleep20-21swapper/219:09:562
2755994111,18cyclictest0-21swapper/322:50:103
160824029,7sleep10-21swapper/119:08:021
171323725,7sleep70-21swapper/719:09:297
153723624,7sleep00-21swapper/019:07:050
2756992512,12cyclictest4014-21pool-14-thread-23:56:364
8502210,1sleep1241ktimersoftd/100:25:081
275499213,16cyclictest331ktimersoftd/223:46:222
275499213,16cyclictest331ktimersoftd/223:46:222
275499213,16cyclictest331ktimersoftd/223:46:222
2754992113,6cyclictest11-21rcu_preempt00:00:132
275499211,15cyclictest12-21rcu_sched22:34:122
276199201,18cyclictest1047-21postmaster00:32:386
2759992018,1cyclictest61-21ksoftirqd/500:33:545
2762991917,1cyclictest5210-21mingetty22:50:107
2759991917,1cyclictest25630-21kworker/5:023:34:095
2759991917,1cyclictest22503-21kworker/5:223:27:035
2759991917,1cyclictest22503-21kworker/5:223:06:255
275399190,18cyclictest0-21swapper/122:59:411
275399190,18cyclictest0-21swapper/122:52:491
275399190,17cyclictest0-21swapper/120:58:331
2759991816,1cyclictest7499-21kworker/5:100:12:165
2759991816,1cyclictest6312-21kworker/5:221:27:375
2759991816,1cyclictest61-21ksoftirqd/500:28:525
2759991816,1cyclictest22503-21kworker/5:223:18:335
2759991816,1cyclictest22503-21kworker/5:223:10:035
2759991816,1cyclictest22503-21kworker/5:223:10:035
2759991816,1cyclictest18938-21kworker/5:022:40:255
275399180,16cyclictest0-21swapper/119:59:091
2752991815,2cyclictest186650irq/25-eth022:50:100
275299180,2cyclictest186650irq/25-eth021:15:130
2762991712,2cyclictest79-21ksoftirqd/723:47:577
2762991712,2cyclictest79-21ksoftirqd/723:47:577
2762991712,2cyclictest79-21ksoftirqd/723:47:577
2759991715,1cyclictest6312-21kworker/5:221:46:515
2759991715,1cyclictest5954-21kworker/5:120:18:275
2759991715,1cyclictest31764-21kworker/5:220:07:535
2759991715,1cyclictest16359-21kworker/5:121:05:155
2759991715,1cyclictest10646-21kworker/5:122:54:275
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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