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2026-04-10 - 09:17
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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 100 highest latencies:
System rackaslot8.osadl.org (updated Fri Apr 10, 2026 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
250222325296,19sleep20-21swapper/219:06:462
251132300272,18sleep10-21swapper/119:07:421
251722274245,19sleep00-21swapper/019:08:250
251432254222,21sleep30-21swapper/319:08:043
223262610,0sleep00-21swapper/000:09:000
66902560,0sleep10-21swapper/100:38:481
292082560,0sleep20-21swapper/222:35:202
33832530,0sleep00-21swapper/023:19:030
143432190,0sleep00-21swapper/019:55:010
98342180,0chrt0-21swapper/023:03:130
174252160,0sleep30-21swapper/300:25:163
322172150,0sleep30-21swapper/323:35:313
135902140,0sleep30-21swapper/323:44:443
317412130,0sleep10-21swapper/123:15:551
25402991311,1cyclictest12-21ksoftirqd/000:00:000
123522130,0sleep30-21swapper/300:02:423
25413991211,1cyclictest34-21ksoftirqd/320:25:003
2540699129,2cyclictest22-21ksoftirqd/100:00:001
2541399119,1cyclictest34-21ksoftirqd/320:00:013
2541399116,2cyclictest34-21ksoftirqd/323:20:013
2540699119,2cyclictest22-21ksoftirqd/122:55:011
2540699118,2cyclictest22-21ksoftirqd/120:00:011
2541399109,1cyclictest34-21ksoftirqd/323:59:593
2541399109,1cyclictest34-21ksoftirqd/319:40:013
2541399109,1cyclictest34-21ksoftirqd/319:40:013
2541399108,1cyclictest34-21ksoftirqd/323:30:013
2541399105,2cyclictest34-21ksoftirqd/323:50:013
2540699109,1cyclictest22-21ksoftirqd/122:35:011
2540699109,1cyclictest22-21ksoftirqd/122:20:011
2540699108,1cyclictest22-21ksoftirqd/120:15:001
2540699108,1cyclictest22-21ksoftirqd/119:20:011
2540699102,4cyclictest22-21ksoftirqd/123:25:201
254139998,1cyclictest34-21ksoftirqd/321:50:013
254139997,2cyclictest34-21ksoftirqd/319:35:013
254139997,1cyclictest34-21ksoftirqd/320:40:003
254139997,1cyclictest34-21ksoftirqd/319:15:013
254139997,1cyclictest34-21ksoftirqd/300:35:003
254139996,2cyclictest34-21ksoftirqd/323:00:013
254139996,2cyclictest34-21ksoftirqd/320:20:003
254139992,4cyclictest1231-21sort21:40:113
254069998,1cyclictest22-21ksoftirqd/123:05:011
254069998,1cyclictest22-21ksoftirqd/122:40:011
254069998,1cyclictest22-21ksoftirqd/120:35:001
254069998,1cyclictest22-21ksoftirqd/119:15:011
254069997,1cyclictest22-21ksoftirqd/121:50:011
254069996,2cyclictest22-21ksoftirqd/123:45:011
254069996,2cyclictest22-21ksoftirqd/122:25:011
254069996,2cyclictest22-21ksoftirqd/121:00:001
254069995,1cyclictest22-21ksoftirqd/100:10:161
254069993,1cyclictest22-21ksoftirqd/123:30:131
254069993,1cyclictest22-21ksoftirqd/123:30:121
254139987,1cyclictest34-21ksoftirqd/322:50:013
254139987,1cyclictest34-21ksoftirqd/321:55:023
254139987,1cyclictest34-21ksoftirqd/321:25:003
254139987,1cyclictest34-21ksoftirqd/300:10:003
254139987,1cyclictest331rcuc/322:10:123
254139986,2cyclictest34-21ksoftirqd/322:35:013
254139986,2cyclictest34-21ksoftirqd/322:30:013
254139986,2cyclictest34-21ksoftirqd/322:00:023
254139986,2cyclictest34-21ksoftirqd/321:35:003
254139986,1cyclictest331rcuc/320:50:003
254139985,2cyclictest34-21ksoftirqd/322:40:013
254139983,1cyclictest141rcu_preempt23:30:123
254139983,1cyclictest141rcu_preempt23:30:123
254139982,4cyclictest34-21ksoftirqd/322:40:203
254139982,4cyclictest34-21ksoftirqd/319:45:203
254139980,7cyclictest13636-21ssh00:23:123
254119980,2cyclictest19974-21uniq22:30:142
254069987,1cyclictest22-21ksoftirqd/123:40:011
254069987,1cyclictest22-21ksoftirqd/121:40:001
254069987,1cyclictest22-21ksoftirqd/119:35:011
254069986,2cyclictest22-21ksoftirqd/123:00:011
254069986,2cyclictest22-21ksoftirqd/122:30:011
254069986,2cyclictest22-21ksoftirqd/120:25:001
254069985,2cyclictest22-21ksoftirqd/123:50:181
254069985,1cyclictest22-21ksoftirqd/121:30:001
254069983,1cyclictest141rcu_preempt00:15:121
254069982,4cyclictest233521ssh00:29:201
254069982,4cyclictest22-21ksoftirqd/123:05:121
254069982,4cyclictest22-21ksoftirqd/120:00:201
254069982,1cyclictest141rcu_preempt20:45:161
254029987,1cyclictest12-21ksoftirqd/000:25:000
254029980,5cyclictest24216-21grep00:30:000
18821280,0sleep20-21swapper/223:08:442
14453280,0sleep00-21swapper/021:47:490
2677270,0sleep00-21swapper/022:20:130
254139975,2cyclictest34-21ksoftirqd/323:55:013
254139975,2cyclictest34-21ksoftirqd/320:05:003
254139975,1cyclictest34-21ksoftirqd/322:00:023
254139975,1cyclictest34-21ksoftirqd/321:10:133
254139975,1cyclictest0-21swapper/322:16:403
254139974,1cyclictest34-21ksoftirqd/300:15:163
254139973,3cyclictest504-21dbus-daemon20:30:003
254139973,3cyclictest13970-21sshd21:27:593
254139972,1cyclictest34-21ksoftirqd/321:36:363
254139972,1cyclictest141rcu_preempt21:00:143
254139972,1cyclictest141rcu_preempt00:10:203
254139971,5cyclictest29604-21find19:15:193
254139971,4cyclictest34-21ksoftirqd/323:05:173
254139971,4cyclictest34-21ksoftirqd/322:23:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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