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2026-06-14 - 07:02
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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 rack5slot2.osadl.org (updated Sun Jun 14, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
318062209194,11sleep10-21swapper/119:09:321
315762193175,13sleep00-21swapper/019:06:340
315892192175,12sleep30-21swapper/319:06:463
31652211179,12sleep20-21swapper/219:07:322
87032540,0sleep00-21swapper/021:15:490
227442520,0sleep10-21swapper/123:45:141
191282470,0sleep10-21swapper/123:59:531
54762430,0sleep00-21swapper/023:52:420
310312430,0sleep10-21swapper/122:14:441
247172110,0sleep20-21swapper/221:40:022
3202099102,4cyclictest19601-21awk22:25:010
320309985,1cyclictest40-21ksoftirqd/322:50:143
320309980,1cyclictest14953-21ntp_states23:25:173
320209982,3cyclictest15774-21munin-run00:30:000
320209981,3cyclictest14390-21perf21:35:010
320309975,0cyclictest40-21ksoftirqd/321:50:013
320309966,0cyclictest40-21ksoftirqd/323:30:113
320309963,0cyclictest40-21ksoftirqd/300:05:133
320309961,0cyclictest81rcu_preempt23:55:123
320309961,0cyclictest81rcu_preempt20:00:093
320309961,0cyclictest81rcu_preempt19:25:123
320309960,2cyclictest40-21ksoftirqd/323:40:003
320309960,1cyclictest40-21ksoftirqd/322:40:003
320309960,1cyclictest40-21ksoftirqd/319:45:133
320209960,3cyclictest11149-21perf23:40:000
320309955,0cyclictest40-21ksoftirqd/322:50:013
320309955,0cyclictest40-21ksoftirqd/322:30:013
320309955,0cyclictest40-21ksoftirqd/321:05:163
320309955,0cyclictest40-21ksoftirqd/300:00:103
320309955,0cyclictest0-21swapper/322:41:413
320309954,1cyclictest40-21ksoftirqd/300:30:103
320309953,0cyclictest40-21ksoftirqd/323:50:193
320309953,0cyclictest40-21ksoftirqd/323:05:113
320309953,0cyclictest40-21ksoftirqd/319:15:013
320309953,0cyclictest40-21ksoftirqd/300:25:183
320309950,5cyclictest0-21swapper/323:45:173
320309950,5cyclictest0-21swapper/300:23:583
320309950,3cyclictest81rcu_preempt20:50:123
320309950,3cyclictest40-21ksoftirqd/323:20:133
320309950,2cyclictest40-21ksoftirqd/321:25:123
320309950,0cyclictest81rcu_preempt22:20:003
320309950,0cyclictest23579-21kworker/u8:021:40:163
320269954,1cyclictest5221-21ssh22:01:262
320269954,1cyclictest0-21swapper/221:42:142
320269950,5cyclictest32415-21ssh23:18:142
320269950,0cyclictest0-21swapper/222:44:202
320249951,2cyclictest0-21swapper/121:25:111
320249951,2cyclictest0-21swapper/120:20:131
320249950,5cyclictest0-21swapper/122:00:031
320249950,5cyclictest0-21swapper/121:15:501
320249950,0cyclictest0-21swapper/123:32:541
320209950,5cyclictest0-21swapper/019:16:530
320209950,4cyclictest30028-21apt-get22:30:000
320209950,1cyclictest11098-21munin-run22:05:010
320309944,0cyclictest40-21ksoftirqd/323:10:013
320309944,0cyclictest40-21ksoftirqd/322:20:183
320309944,0cyclictest40-21ksoftirqd/322:10:093
320309944,0cyclictest40-21ksoftirqd/321:55:203
320309944,0cyclictest40-21ksoftirqd/321:50:133
320309944,0cyclictest40-21ksoftirqd/321:35:103
320309944,0cyclictest40-21ksoftirqd/321:30:033
320309944,0cyclictest40-21ksoftirqd/321:00:013
320309944,0cyclictest40-21ksoftirqd/319:40:183
320309944,0cyclictest40-21ksoftirqd/319:40:003
320309944,0cyclictest40-21ksoftirqd/319:15:013
320309944,0cyclictest14178-21kworker/3:020:29:323
320309944,0cyclictest14178-21kworker/3:019:33:333
320309944,0cyclictest0-21swapper/322:56:403
320309943,1cyclictest11817-21tr22:05:123
320309943,0cyclictest40-21ksoftirqd/322:00:133
320309943,0cyclictest40-21ksoftirqd/300:10:163
320309942,1cyclictest40-21ksoftirqd/319:20:103
320309942,0cyclictest40-21ksoftirqd/322:25:033
320309942,0cyclictest40-21ksoftirqd/320:15:113
320309940,4cyclictest16003-21rm23:41:453
320309940,4cyclictest0-21swapper/323:01:253
320309940,4cyclictest0-21swapper/321:15:133
320309940,4cyclictest0-21swapper/320:10:113
320309940,4cyclictest0-21swapper/300:15:103
320309940,3cyclictest24236-21python21:00:203
320309940,3cyclictest16199-21ssh21:20:113
320309940,3cyclictest16119-21hddtemp_smartct20:45:133
320309940,3cyclictest15179-21cat20:45:003
320309940,3cyclictest10328-21apt-get20:35:123
320309940,1cyclictest27332-21ssh23:15:203
320309940,1cyclictest24215-21ntp_states19:55:173
320309940,0cyclictest81rcu_preempt00:35:143
320309940,0cyclictest40-21ksoftirqd/321:10:223
320269944,0cyclictest0-21swapper/222:52:122
320269944,0cyclictest0-21swapper/221:11:322
320269943,1cyclictest3920-21ssh21:45:142
320269943,1cyclictest16599-21tr00:30:112
320269943,1cyclictest16194-21grep23:10:122
320269941,2cyclictest0-21swapper/219:40:112
320269941,1cyclictest0-21swapper/200:10:152
320269941,0cyclictest0-21swapper/200:25:102
320269940,4cyclictest24904-21ssh23:45:572
320269940,4cyclictest0-21swapper/223:55:122
320269940,4cyclictest0-21swapper/223:05:112
320269940,4cyclictest0-21swapper/222:49:492
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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