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2026-07-26 - 01:49
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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 Sun Jul 26, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28086039956125,535cyclictest0-21swapper/1122:43:583
2808603995500,546cyclictest0-21swapper/1121:48:583
28085689954839,508cyclictest0-21swapper/320:07:589
2808561995477,536cyclictest0-21swapper/120:54:581
28086039954019,520cyclictest0-21swapper/1121:01:583
2808561995264,521cyclictest0-21swapper/119:58:581
2808580995210,520cyclictest0-21swapper/619:31:5812
2808580995210,520cyclictest0-21swapper/619:31:5812
2808580995210,519cyclictest0-21swapper/620:33:5812
280859099513512,1cyclictest2787893-21kworker/9:3+i915-unordered19:16:5815
280858099506505,1cyclictest3050783-21kworker/6:1+i915-unordered00:04:5812
280856899506505,1cyclictest2982064-21kworker/3:0+i915-unordered22:43:589
280859099505503,1cyclictest2882478-21kworker/9:2+i915-unordered21:02:5815
280859099504503,1cyclictest2978304-21kworker/9:1+i915-unordered22:58:5815
280858099499498,1cyclictest3002230-21kworker/6:1+i915-unordered23:24:5812
280856899493492,1cyclictest2917835-21kworker/3:0+i915-unordered21:48:589
2808580994924,0cyclictest0-21swapper/619:42:5812
2808568994900,489cyclictest0-21swapper/322:21:589
28085769948840,30cyclictest0-21swapper/519:22:4211
28085769948840,30cyclictest0-21swapper/519:22:4211
280861499487485,2cyclictest2881571-21kworker/14:0+i915-unordered20:33:586
280861499486486,0cyclictest2821440-21kworker/14:0+i915-unordered19:31:586
280861499486486,0cyclictest2821440-21kworker/14:0+i915-unordered19:31:586
280859099486485,1cyclictest2893848-21kworker/9:1+i915-unordered20:54:5815
280859099485484,1cyclictest2845324-21kworker/9:0+i915-unordered19:58:5815
280856899485485,0cyclictest2902595-21kworker/3:1+i915-unordered21:01:589
28085669948218,463cyclictest0-21swapper/200:04:588
280861499480477,1cyclictest2837497-21kworker/14:2+i915-unordered19:42:586
280861099476445,31cyclictest0-21swapper/1323:59:585
2808614994755,59cyclictest0-21swapper/1420:11:586
28086149947424,30cyclictest0-21swapper/1400:02:586
28085769947423,30cyclictest0-21swapper/522:01:2111
28086149947323,449cyclictest0-21swapper/1421:27:586
28086089947223,30cyclictest0-21swapper/1219:36:204
28085769947122,30cyclictest0-21swapper/521:24:1911
28085769947122,30cyclictest0-21swapper/520:31:1911
28085769947121,448cyclictest0-21swapper/519:09:4111
28086089947022,29cyclictest0-21swapper/1219:13:414
28086089946922,29cyclictest0-21swapper/1221:20:404
28086089946823,28cyclictest0-21swapper/1221:33:214
28086089946819,30cyclictest0-21swapper/1219:29:424
28086089946819,30cyclictest0-21swapper/1219:29:424
28085769946819,29cyclictest0-21swapper/521:20:1911
28085879946726,28cyclictest0-21swapper/820:18:5814
28085769946720,30cyclictest0-21swapper/523:28:1911
28085769946720,30cyclictest0-21swapper/519:28:2011
28085769946720,30cyclictest0-21swapper/519:28:2011
28085769946618,30cyclictest0-21swapper/520:22:4211
28085689946626,29cyclictest0-21swapper/320:59:589
28086089946415,29cyclictest0-21swapper/1220:32:434
28086089946314,29cyclictest0-21swapper/1222:34:194
2808566994630,460cyclictest0-21swapper/219:58:588
28086189946213,30cyclictest0-21swapper/1519:14:427
28086089946214,30cyclictest0-21swapper/1223:54:424
28086089946213,29cyclictest0-21swapper/1222:07:194
2808576994620,461cyclictest0-21swapper/521:41:5211
28086089946115,29cyclictest0-21swapper/1221:23:444
28085769946012,29cyclictest0-21swapper/523:10:1911
28085669946012,446cyclictest0-21swapper/200:11:438
28085669946011,447cyclictest0-21swapper/223:59:198
28085769945912,30cyclictest0-21swapper/522:17:1911
28085769945912,30cyclictest0-21swapper/522:17:1911
28085769945912,29cyclictest0-21swapper/521:14:4311
28085769945911,29cyclictest0-21swapper/522:25:4211
28085769945911,29cyclictest0-21swapper/520:50:4111
2808608994586,451cyclictest0-21swapper/1220:07:584
280860899458456,2cyclictest1818-21snmpd20:24:534
28085769945811,30cyclictest0-21swapper/522:35:4211
28085669945812,29cyclictest0-21swapper/220:05:198
28085909945716,29cyclictest0-21swapper/919:14:5815
280858799457455,2cyclictest1818-21snmpd22:10:3214
28085769945710,30cyclictest0-21swapper/520:14:4311
28085669945710,29cyclictest0-21swapper/223:19:428
28085669945710,28cyclictest0-21swapper/223:27:208
280861099455453,2cyclictest3006433-21kworker/13:1+i915-unordered23:19:585
280856699454454,0cyclictest0-21swapper/220:07:588
2808561994544,29cyclictest0-21swapper/123:03:201
2808566994500,30cyclictest0-21swapper/200:26:198
2808614994499,30cyclictest0-21swapper/1423:11:586
280858799449448,1cyclictest0-21swapper/822:43:5414
2808614994488,29cyclictest0-21swapper/1420:28:586
2808608994480,30cyclictest0-21swapper/1200:06:424
2808608994480,29cyclictest0-21swapper/1222:43:424
2808608994480,29cyclictest0-21swapper/1222:11:214
2808608994480,29cyclictest0-21swapper/1222:11:214
280858799448444,3cyclictest2791888-21kworker/u64:4+events_unbound19:38:4114
280858599448448,0cyclictest0-21swapper/720:26:4113
2808590994472,30cyclictest0-21swapper/900:17:5715
2808585994475,30cyclictest0-21swapper/723:13:5813
280859599445444,1cyclictest69750irq/159-i91519:31:582
280859599445444,1cyclictest69750irq/159-i91519:31:582
28085859944524,419cyclictest0-21swapper/722:10:5313
2808614994449,30cyclictest0-21swapper/1422:44:586
28086039944422,421cyclictest0-21swapper/1122:14:193
28086039944422,421cyclictest0-21swapper/1122:14:193
280859599444444,0cyclictest69750irq/159-i91520:06:582
280859599444443,1cyclictest69750irq/159-i91500:09:582
2808590994440,29cyclictest0-21swapper/900:32:5715
2808590994440,29cyclictest0-21swapper/900:28:5715
28085619944423,418cyclictest0-21swapper/100:21:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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