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2026-06-20 - 01:28
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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 Fri Jun 19, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
242762204188,12sleep00-21swapper/007:09:430
240142200185,11sleep10-21swapper/107:06:231
220782186169,12sleep30-21swapper/307:05:093
24186210794,10sleep20-21swapper/207:08:322
73582450,0sleep10-21swapper/110:06:101
30822430,0sleep10-21swapper/107:30:131
304792430,0sleep30-21swapper/311:53:303
216062430,0sleep20-21swapper/209:25:322
162732420,0sleep20-21swapper/210:42:352
164222100,0sleep2291rcuc/210:10:282
244779982,3cyclictest24838-21basename11:35:000
244859970,6cyclictest0-21swapper/310:30:123
244779971,5cyclictest0-21swapper/011:00:110
244779971,3cyclictest19943-21awk08:05:000
4221260,0sleep10-21swapper/109:49:301
244859966,0cyclictest40-21ksoftirqd/309:50:123
244859960,5cyclictest0-21swapper/308:30:013
244819960,6cyclictest0-21swapper/211:25:102
244819960,6cyclictest0-21swapper/209:18:472
244819960,5cyclictest0-21swapper/208:30:132
244779960,6cyclictest0-21swapper/009:15:020
244859955,0cyclictest40-21ksoftirqd/309:15:013
244859955,0cyclictest0-21swapper/311:26:023
244859955,0cyclictest0-21swapper/307:50:153
244859954,1cyclictest40-21ksoftirqd/311:40:123
244859954,1cyclictest40-21ksoftirqd/309:00:003
244859954,1cyclictest40-21ksoftirqd/307:25:013
244859953,2cyclictest0-21swapper/308:04:293
244859950,5cyclictest0-21swapper/311:10:533
244859950,5cyclictest0-21swapper/309:00:133
244859950,4cyclictest30065-21apt-get08:25:113
244859950,4cyclictest21624-21sh09:41:353
244859950,3cyclictest21301-21/usr/sbin/munin12:05:183
244859950,3cyclictest0-21swapper/312:26:533
244859950,3cyclictest0-21swapper/310:36:573
244859950,0cyclictest0-21swapper/310:21:513
244819955,0cyclictest0-21swapper/210:27:092
244819952,3cyclictest26500-21cpuspeed_turbos10:00:122
244819950,5cyclictest2631-21ssh12:11:202
244819950,5cyclictest0-21swapper/211:40:132
244819950,5cyclictest0-21swapper/210:37:302
244819950,5cyclictest0-21swapper/210:17:172
244819950,5cyclictest0-21swapper/210:10:002
244819950,5cyclictest0-21swapper/209:22:172
244819950,0cyclictest0-21swapper/211:53:262
244799951,2cyclictest0-21swapper/109:20:131
244799950,5cyclictest0-21swapper/112:06:131
244799950,5cyclictest0-21swapper/109:14:481
244779952,3cyclictest20594-21awk12:20:150
244779951,4cyclictest17021-21perf09:40:020
244779950,5cyclictest0-21swapper/012:33:200
244779950,5cyclictest0-21swapper/010:25:360
244779950,5cyclictest0-21swapper/009:54:090
244779950,5cyclictest0-21swapper/009:27:320
244779950,4cyclictest9274-21apt-get12:15:120
244779950,4cyclictest5088-21users11:40:190
244779950,0cyclictest0-21swapper/010:05:400
244859944,0cyclictest40-21ksoftirqd/312:15:113
244859944,0cyclictest40-21ksoftirqd/312:00:133
244859944,0cyclictest40-21ksoftirqd/311:05:113
244859944,0cyclictest40-21ksoftirqd/310:50:103
244859944,0cyclictest40-21ksoftirqd/309:30:183
244859944,0cyclictest40-21ksoftirqd/309:30:173
244859944,0cyclictest40-21ksoftirqd/309:20:123
244859944,0cyclictest40-21ksoftirqd/308:50:163
244859944,0cyclictest40-21ksoftirqd/308:45:013
244859944,0cyclictest40-21ksoftirqd/308:20:013
244859944,0cyclictest40-21ksoftirqd/308:05:113
244859944,0cyclictest40-21ksoftirqd/307:15:123
244859944,0cyclictest40-21ksoftirqd/307:15:013
244859944,0cyclictest27022-21kworker/3:211:46:273
244859944,0cyclictest0-21swapper/307:37:343
244859943,1cyclictest40-21ksoftirqd/310:05:183
244859943,1cyclictest40-21ksoftirqd/309:10:163
244859942,2cyclictest40-21ksoftirqd/311:35:113
244859942,2cyclictest40-21ksoftirqd/311:30:113
244859942,2cyclictest40-21ksoftirqd/307:30:143
244859942,1cyclictest20753-21ssh09:57:033
244859942,1cyclictest17841-21/usr/sbin/munin09:05:163
244859942,0cyclictest40-21ksoftirqd/312:35:173
244859941,1cyclictest0-21swapper/310:25:123
244859940,4cyclictest19315-21apt-get12:20:023
244859940,4cyclictest17633-21ssh10:11:123
244859940,4cyclictest12300-21ssh10:56:173
244859940,4cyclictest0-21swapper/312:10:103
244859940,4cyclictest0-21swapper/311:20:023
244859940,4cyclictest0-21swapper/311:00:113
244859940,4cyclictest0-21swapper/310:40:113
244859940,4cyclictest0-21swapper/310:02:103
244859940,4cyclictest0-21swapper/309:45:213
244859940,4cyclictest0-21swapper/309:35:123
244859940,4cyclictest0-21swapper/308:40:123
244859940,3cyclictest750-21ssh11:55:023
244859940,3cyclictest6996-21ssh12:30:013
244859940,3cyclictest28867-21ntp_states08:20:183
244859940,3cyclictest23289-21taskset10:45:373
244859940,3cyclictest20334-21ssh11:16:093
244819944,0cyclictest0-21swapper/212:31:082
244819944,0cyclictest0-21swapper/209:05:232
244819942,2cyclictest0-21swapper/212:16:482
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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