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2025-11-24 - 06:13
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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
Characteristics of the 100 highest latencies:
System rackcslot6.osadl.org (updated Mon Nov 24, 2025 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
189277421080,5sleep0111rcuc/019:05:200
18941739910217,49cyclictest0-21swapper/522:43:145
19337072990,1sleep656-21ksoftirqd/620:10:166
216999960,46rtkit-daemon0-21swapper/419:06:304
189372929648,13sleep60-21swapper/619:06:316
1894157999316,41cyclictest0-21swapper/321:23:133
20648912920,0sleep20-21swapper/222:25:002
19881002890,1sleep010-21ksoftirqd/021:24:110
20300072860,1sleep010-21ksoftirqd/021:55:510
1894173998614,40cyclictest0-21swapper/500:08:135
189372528643,13sleep20-21swapper/219:06:282
19372622840,0sleep40-21swapper/420:15:194
189380928440,13sleep30-21swapper/319:07:413
1894173998216,35cyclictest0-21swapper/523:18:145
1894173998216,35cyclictest0-21swapper/523:18:145
21203772810,0sleep30-21swapper/323:08:433
20953702800,0sleep50-21swapper/522:48:595
21182552790,0sleep00-21swapper/023:05:440
189418199788,34cyclictest0-21swapper/623:08:136
1894173997313,26cyclictest0-21swapper/522:33:145
19677292720,1sleep228-21ksoftirqd/221:05:142
189390827144,14sleep70-21swapper/719:09:077
19369402700,0sleep20-21swapper/220:15:172
20334712690,0sleep20-21swapper/222:00:092
189384026943,13sleep50-21swapper/519:08:085
1894181996815,36cyclictest0-21swapper/622:53:146
20954342670,0sleep20-21swapper/222:49:042
1894181996616,34cyclictest0-21swapper/622:08:146
189374226547,12sleep10-21swapper/119:06:421
1894134996211,19cyclictest0-21swapper/020:33:140
1894181996115,36cyclictest0-21swapper/619:38:136
1894181995616,38cyclictest0-21swapper/600:18:136
1894181995014,32cyclictest0-21swapper/619:23:146
1894149994315,28cyclictest0-21swapper/220:58:142
1894149994215,27cyclictest28-21ksoftirqd/220:13:142
1894149994027,13cyclictest28-21ksoftirqd/220:23:142
1894187993913,24cyclictest0-21swapper/700:28:137
189418799384,31cyclictest0-21swapper/721:43:137
1894157993611,24cyclictest0-21swapper/320:59:583
1894173993511,24cyclictest0-21swapper/523:05:585
1894157993511,1cyclictest0-21swapper/322:18:583
1894181993410,24cyclictest0-21swapper/622:49:586
1894141993433,1cyclictest0-21swapper/119:58:131
1894141993410,24cyclictest0-21swapper/120:21:581
19120472330,0sleep40-21swapper/419:35:144
189418199339,24cyclictest0-21swapper/623:58:586
189418199328,24cyclictest0-21swapper/620:57:586
189415799328,24cyclictest0-21swapper/322:40:583
189418799317,24cyclictest0-21swapper/723:56:587
189418199317,24cyclictest0-21swapper/620:25:596
189418199317,24cyclictest0-21swapper/620:25:586
1894187993014,15cyclictest0-21swapper/722:48:137
189418199306,24cyclictest0-21swapper/621:00:586
1894173993014,1cyclictest0-21swapper/500:23:135
1894173993014,15cyclictest0-21swapper/522:58:135
1894149993014,15cyclictest0-21swapper/200:13:132
189414199309,9cyclictest0-21swapper/120:53:131
1894187992913,15cyclictest0-21swapper/720:38:137
1894181992913,13cyclictest0-21swapper/621:48:146
1894173992913,15cyclictest0-21swapper/523:38:135
1894173992913,15cyclictest0-21swapper/500:33:145
189415799295,24cyclictest0-21swapper/319:19:593
189414199296,0cyclictest0-21swapper/123:49:581
1894134992913,15cyclictest0-21swapper/021:03:140
1894187992812,15cyclictest0-21swapper/723:43:147
189418199284,24cyclictest0-21swapper/620:20:586
1894181992812,15cyclictest0-21swapper/621:18:146
1894173992812,15cyclictest0-21swapper/521:53:145
1894173992812,15cyclictest0-21swapper/521:53:135
189415799284,24cyclictest0-21swapper/320:07:583
189415799284,24cyclictest0-21swapper/300:35:593
189414999284,24cyclictest0-21swapper/222:39:582
189414999284,24cyclictest0-21swapper/219:18:592
1894149992812,15cyclictest0-21swapper/200:38:132
1894141992812,15cyclictest0-21swapper/122:23:141
1894141992812,15cyclictest0-21swapper/120:18:141
1894134992812,15cyclictest0-21swapper/022:13:130
22136452270,1sleep656-21ksoftirqd/600:22:076
189418199274,0cyclictest0-21swapper/620:17:586
1894181992711,15cyclictest0-21swapper/620:03:146
189417399274,0cyclictest0-21swapper/523:33:585
1894149992712,15cyclictest0-21swapper/219:28:132
1894134992711,15cyclictest0-21swapper/019:18:140
21764682260,1sleep228-21ksoftirqd/223:53:052
1894187992610,15cyclictest0-21swapper/722:38:147
1894181992610,15cyclictest0-21swapper/623:23:146
1894173992610,15cyclictest0-21swapper/521:28:135
1894157992610,15cyclictest0-21swapper/319:53:143
189414199262,24cyclictest0-21swapper/121:24:591
1894134992610,15cyclictest0-21swapper/022:03:140
189418199259,15cyclictest0-21swapper/623:33:146
189414199251,24cyclictest0-21swapper/121:45:581
189414199251,24cyclictest0-21swapper/121:32:581
189413499259,15cyclictest0-21swapper/019:43:130
189418799249,15cyclictest0-21swapper/719:48:137
189418199240,24cyclictest0-21swapper/620:37:596
1894162992423,1cyclictest2107-21gnome-shell00:21:594
1894162992422,1cyclictest0-21swapper/423:46:584
1894157992423,1cyclictest2107-21gnome-shell22:31:583
189414999241,0cyclictest0-21swapper/221:15:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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