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2026-07-19 - 04:13
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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 rackaslot8.osadl.org (updated Sun Jul 19, 2026 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
204642322294,18sleep20-21swapper/219:07:032
204472273246,18sleep10-21swapper/119:06:491
187412269240,19sleep00-21swapper/019:05:070
203922261230,20sleep30-21swapper/319:06:073
181152610,0sleep20-21swapper/222:50:532
70542590,0sleep20-21swapper/223:04:392
269542570,0sleep10-21swapper/121:19:501
126032570,0sleep00-21swapper/021:10:210
319412560,0sleep10-21swapper/121:22:191
98182540,0sleep30-21swapper/321:48:093
267762180,0sleep00-21swapper/023:55:140
169572180,0sleep10-21swapper/121:13:291
284952170,0sleep30-21swapper/321:59:383
249132150,0sleep00-21swapper/000:33:140
148882140,0sleep10-21swapper/123:09:181
20824991211,1cyclictest12-21ksoftirqd/023:40:000
20824991210,1cyclictest12-21ksoftirqd/020:20:020
20828991110,1cyclictest22-21ksoftirqd/123:30:011
2082499119,1cyclictest12-21ksoftirqd/022:25:000
20824991110,1cyclictest12-21ksoftirqd/023:45:000
2082899104,3cyclictest22-21ksoftirqd/123:55:001
208389990,8cyclictest32758-21sshd19:30:303
208289998,1cyclictest22-21ksoftirqd/123:15:001
208289998,1cyclictest22-21ksoftirqd/100:20:001
208289992,6cyclictest0-21swapper/122:12:141
2901280,0sleep20-21swapper/200:39:532
208349983,3cyclictest275-21systemd-journal23:25:002
208349980,7cyclictest24997-21ssh21:18:192
208289987,1cyclictest22-21ksoftirqd/121:55:011
208289987,1cyclictest22-21ksoftirqd/121:10:001
208289986,1cyclictest22-21ksoftirqd/121:30:011
208289985,2cyclictest22-21ksoftirqd/119:10:011
208289985,2cyclictest22-21ksoftirqd/100:00:011
208289984,3cyclictest504-21dbus-daemon00:34:141
208289983,1cyclictest22-21ksoftirqd/100:29:101
208289982,4cyclictest25380-21ssh23:35:061
208289982,4cyclictest22-21ksoftirqd/123:52:521
208289982,4cyclictest22-21ksoftirqd/120:45:131
208289982,4cyclictest22-21ksoftirqd/120:35:181
208289982,3cyclictest22-21ksoftirqd/122:16:021
208289982,2cyclictest22-21ksoftirqd/122:50:251
208289982,1cyclictest211rcuc/120:45:011
208289981,7cyclictest22-21ksoftirqd/122:00:341
208289981,5cyclictest23700-21kworker/1:022:27:441
208289981,5cyclictest22-21ksoftirqd/100:24:271
208289981,4cyclictest22-21ksoftirqd/122:35:151
208289981,4cyclictest22-21ksoftirqd/121:58:501
208289980,4cyclictest0-21swapper/121:35:061
208249987,1cyclictest12-21ksoftirqd/022:50:000
208249987,1cyclictest12-21ksoftirqd/021:55:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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