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2026-06-13 - 21:26
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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 rack0slot5.osadl.org (updated Sat Jun 13, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3560275995488,42cyclictest0-21swapper/1521:21:197
35602759954024,515cyclictest0-21swapper/1522:01:197
35602759954024,515cyclictest0-21swapper/1522:01:197
3560267995210,520cyclictest0-21swapper/1300:29:195
35602379950319,483cyclictest0-21swapper/620:53:1912
356024899502501,1cyclictest0-21swapper/919:45:1915
356021899495463,32cyclictest0-21swapper/119:11:191
356021499485426,30cyclictest0-21swapper/021:26:420
35602759946922,30cyclictest160-21ksoftirqd/1520:45:197
35602149946820,28cyclictest0-21swapper/023:59:400
35602659946720,29cyclictest0-21swapper/1223:53:584
35602289946721,441cyclictest3615651-21kworker/4:2+i915-unordered20:30:1910
356022599466465,1cyclictest0-21swapper/321:35:199
356024899465464,1cyclictest3521789-21kworker/9:3+i915-unordered19:11:1915
356021899464464,0cyclictest0-21swapper/120:26:191
35602659946317,28cyclictest0-21swapper/1222:46:414
3560228994620,461cyclictest0-21swapper/423:19:1910
356024299457457,0cyclictest3662611-21kworker/7:2+i915-unordered21:21:1913
3560267994550,454cyclictest142-21ksoftirqd/1300:06:195
356023399454453,1cyclictest0-21swapper/523:19:1911
35602659945322,29cyclictest0-21swapper/1221:22:414
3560225994523,448cyclictest52-21ksoftirqd/319:33:199
3560248994500,53cyclictest0-21swapper/900:21:1915
3560265994490,28cyclictest0-21swapper/1200:18:044
3560275994488,27cyclictest0-21swapper/1520:05:197
3560233994481,30cyclictest0-21swapper/522:40:0111
3560225994480,60cyclictest52-21ksoftirqd/320:28:199
35602659944720,29cyclictest0-21swapper/1220:00:424
356024299447445,2cyclictest3704863-21kworker/7:1+i915-unordered22:01:1913
356024299447445,2cyclictest3704863-21kworker/7:1+i915-unordered22:01:1913
35602659944621,28cyclictest0-21swapper/1221:43:414
35602659944520,29cyclictest0-21swapper/1219:28:054
35602659944519,30cyclictest0-21swapper/1219:44:414
35602719944424,419cyclictest0-21swapper/1420:01:426
35602719944423,420cyclictest0-21swapper/1400:15:036
35602659944419,29cyclictest0-21swapper/1220:09:044
35602659944418,29cyclictest0-21swapper/1220:44:034
35602719944323,419cyclictest0-21swapper/1422:48:416
3560267994431,30cyclictest0-21swapper/1320:44:195
35602659944318,30cyclictest0-21swapper/1223:10:404
35602259944322,420cyclictest0-21swapper/300:07:429
35602719944220,421cyclictest0-21swapper/1400:35:426
35602659944115,29cyclictest0-21swapper/1222:41:054
35602149944122,418cyclictest0-21swapper/020:38:050
35602149944119,421cyclictest0-21swapper/019:54:050
35602429944016,30cyclictest0-21swapper/723:28:1913
35602379944021,417cyclictest0-21swapper/622:41:4012
35602149944021,417cyclictest0-21swapper/023:38:050
35602489943821,30cyclictest0-21swapper/919:24:1915
35602429943810,427cyclictest0-21swapper/700:16:1913
35602339943822,414cyclictest0-21swapper/523:49:4111
35602379943716,420cyclictest0-21swapper/622:51:4112
356022899437435,1cyclictest3768260-21kworker/4:1+i915-unordered23:14:1910
35602189943615,420cyclictest0-21swapper/123:14:011
35602759943518,416cyclictest0-21swapper/1521:09:427
356026599435434,1cyclictest69750irq/159-i91520:30:194
35602489943523,411cyclictest0-21swapper/920:47:1415
3560233994357,30cyclictest0-21swapper/500:12:0311
35602259943514,418cyclictest0-21swapper/322:43:039
35602759943416,417cyclictest0-21swapper/1522:24:417
356024899434434,0cyclictest3624301-21kworker/9:0+i915-unordered20:26:1915
35602339943412,420cyclictest0-21swapper/523:16:4211
35602759943314,418cyclictest0-21swapper/1523:26:427
356026599433432,1cyclictest69750irq/159-i91523:19:194
35602759943214,417cyclictest0-21swapper/1521:29:427
35602759943213,418cyclictest0-21swapper/1522:16:027
3560253994329,416cyclictest3686695-21ntp_states21:32:402
35602429943217,415cyclictest0-21swapper/700:30:1913
35602379943224,30cyclictest0-21swapper/600:11:1912
35602339943210,421cyclictest0-21swapper/500:22:4111
356025399431430,1cyclictest0-21swapper/1022:32:522
3560248994318,30cyclictest0-21swapper/919:18:1915
35602489943119,411cyclictest0-21swapper/921:05:1915
3560233994311,30cyclictest0-21swapper/520:32:4211
35602339943110,420cyclictest0-21swapper/521:48:4011
35602339943110,420cyclictest0-21swapper/521:48:4011
3560267994309,420cyclictest0-21swapper/1320:57:415
35602489943012,417cyclictest0-21swapper/922:42:4115
35602339943011,417cyclictest0-21swapper/519:46:0311
35602609942919,410cyclictest0-21swapper/1122:53:193
3560233994297,419cyclictest0-21swapper/523:11:0211
3560233994297,419cyclictest0-21swapper/522:59:0411
3560233994296,30cyclictest0-21swapper/521:16:0311
3560275994288,419cyclictest0-21swapper/1523:48:427
3560248994284,30cyclictest0-21swapper/922:08:4015
3560233994280,29cyclictest0-21swapper/521:44:4211
3560220994280,31cyclictest0-21swapper/223:27:038
356026799427425,1cyclictest3789456-21kworker/13:2+i915-unordered00:10:195
3560233994277,419cyclictest0-21swapper/523:36:0411
3560233994264,421cyclictest0-21swapper/522:10:4211
3560275994255,417cyclictest0-21swapper/1522:47:417
3560275994254,420cyclictest0-21swapper/1521:01:407
356022899425423,1cyclictest3742912-21kworker/4:2+i915-unordered22:44:1910
3560218994254,420cyclictest0-21swapper/100:19:411
3560275994245,418cyclictest0-21swapper/1522:20:407
3560275994244,419cyclictest0-21swapper/1520:20:427
35602719942426,397cyclictest0-21swapper/1422:21:036
35602679942422,401cyclictest0-21swapper/1322:15:195
3560237994240,27cyclictest0-21swapper/623:41:0412
3560214994244,416cyclictest0-21swapper/020:52:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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