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2026-07-05 - 01:53
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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 05, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14055439955533,521cyclictest0-21swapper/1220:38:374
1405529995220,521cyclictest0-21swapper/900:22:3715
140552199519517,2cyclictest1656223-21kworker/7:0+i915-unordered23:47:3713
140550599504502,2cyclictest0-21swapper/323:32:379
140554399502472,30cyclictest0-21swapper/1221:37:374
140551099500499,1cyclictest1487805-21kworker/4:2+i915-unordered20:38:3710
1405514994965,490cyclictest0-21swapper/500:35:3711
140552999491489,2cyclictest0-21swapper/922:20:3715
140552999491489,2cyclictest0-21swapper/922:20:3715
140550599491489,2cyclictest1553036-21kworker/3:2+i915-unordered21:58:379
140551499488487,0cyclictest1450682-21kworker/5:2+i915-unordered20:15:3711
14055349948424,59cyclictest0-21swapper/1020:21:332
14055529948212,29cyclictest0-21swapper/1423:59:376
140549499477476,1cyclictest0-21swapper/021:10:370
14055549947525,29cyclictest0-21swapper/1519:53:597
140551099474474,0cyclictest0-21swapper/419:47:3710
140550599474473,1cyclictest0-21swapper/322:58:379
14055349947020,29cyclictest0-21swapper/1022:26:592
140550599466466,0cyclictest0-21swapper/321:00:379
14055529946518,28cyclictest0-21swapper/1419:08:226
140554799465465,0cyclictest1674059-21kworker/13:0+i915-unordered00:35:375
140550299463462,1cyclictest1455138-21kworker/2:2+i915-unordered20:05:378
140550599462459,2cyclictest1651647-21kworker/3:2+events00:04:599
14055529946013,30cyclictest0-21swapper/1422:59:206
14055529946010,30cyclictest0-21swapper/1420:17:206
14055529945918,30cyclictest0-21swapper/1420:16:226
14055529945817,30cyclictest0-21swapper/1423:41:196
14055529945811,30cyclictest0-21swapper/1423:28:586
14055529945811,29cyclictest0-21swapper/1422:42:586
14055529945811,29cyclictest0-21swapper/1419:14:596
14055529945810,30cyclictest0-21swapper/1420:39:236
14055349945815,29cyclictest0-21swapper/1019:08:372
14055529945711,28cyclictest0-21swapper/1421:24:596
14055529945710,29cyclictest0-21swapper/1421:04:596
14055349945710,29cyclictest0-21swapper/1020:01:212
140552999457450,6cyclictest1818-21snmpd00:10:1215
1405552994568,30cyclictest0-21swapper/1420:09:596
1405552994568,29cyclictest0-21swapper/1421:53:216
14055149945613,29cyclictest0-21swapper/523:00:3711
1405552994557,30cyclictest0-21swapper/1420:44:226
1405539994532,448cyclictest0-21swapper/1120:00:233
1405539994523,29cyclictest0-21swapper/1120:54:233
14055149945211,29cyclictest0-21swapper/522:04:3711
1405539994512,29cyclictest0-21swapper/1119:23:593
140551699451447,4cyclictest1818-21snmpd00:25:3312
1405539994501,30cyclictest0-21swapper/1122:18:223
1405539994501,30cyclictest0-21swapper/1122:18:223
1405554994490,30cyclictest0-21swapper/1500:32:227
140551099448446,2cyclictest1535000-21kworker/4:2+i915-unordered21:37:3710
14055549944525,417cyclictest0-21swapper/1520:12:197
14055479944522,30cyclictest0-21swapper/1320:53:375
1405539994453,28cyclictest0-21swapper/1122:11:593
1405539994453,28cyclictest0-21swapper/1122:11:593
14055399944524,420cyclictest0-21swapper/1119:10:593
14055399944523,421cyclictest0-21swapper/1121:02:593
1405534994450,0cyclictest0-21swapper/1021:39:002
140551699445443,2cyclictest1588781-21kworker/6:2+i915-unordered22:42:3712
14055549944425,417cyclictest0-21swapper/1500:04:227
14055549944423,420cyclictest0-21swapper/1519:12:237
14055549944423,418cyclictest0-21swapper/1522:32:597
14055549944421,422cyclictest0-21swapper/1521:29:197
1405554994440,29cyclictest0-21swapper/1521:47:377
14055399944423,420cyclictest0-21swapper/1123:04:193
14055349944420,423cyclictest0-21swapper/1022:37:372
14055549944323,418cyclictest0-21swapper/1520:45:597
14055549944322,420cyclictest0-21swapper/1523:55:007
14055549944322,419cyclictest0-21swapper/1523:47:597
14055549944322,418cyclictest0-21swapper/1521:21:007
14055549944321,421cyclictest0-21swapper/1521:54:597
14055549944321,419cyclictest0-21swapper/1521:15:597
14054979944325,417cyclictest0-21swapper/120:51:331
14054979944322,420cyclictest0-21swapper/122:54:221
14054979944322,420cyclictest0-21swapper/122:35:591
14054949944325,418cyclictest0-21swapper/020:09:230
14054949944323,419cyclictest0-21swapper/023:32:010
14055549944223,418cyclictest0-21swapper/1519:32:217
14055549944223,418cyclictest0-21swapper/1519:32:217
14055549944222,419cyclictest0-21swapper/1521:57:587
14055549944222,418cyclictest0-21swapper/1523:37:217
14055549944222,417cyclictest0-21swapper/1522:14:217
14055549944222,417cyclictest0-21swapper/1522:14:217
14055549944221,420cyclictest0-21swapper/1522:53:597
14055549944221,419cyclictest0-21swapper/1523:58:237
14055549944221,419cyclictest0-21swapper/1521:46:007
14055549944221,418cyclictest0-21swapper/1519:49:597
14055549944220,419cyclictest0-21swapper/1522:11:007
14055549944220,419cyclictest0-21swapper/1520:02:597
140553499442441,1cyclictest69750irq/159-i91520:05:372
14055349944221,417cyclictest0-21swapper/1022:57:002
14054979944221,420cyclictest0-21swapper/100:17:231
14054949944221,420cyclictest0-21swapper/023:09:590
14055549944124,415cyclictest0-21swapper/1519:22:227
14055549944122,418cyclictest0-21swapper/1500:30:207
14055549944121,418cyclictest0-21swapper/1522:26:007
14055549944121,418cyclictest0-21swapper/1520:09:007
14055549944120,420cyclictest0-21swapper/1520:31:217
14055549944120,419cyclictest0-21swapper/1520:59:007
14055549944120,418cyclictest0-21swapper/1523:14:597
14055399944119,419cyclictest0-21swapper/1120:36:003
14055299944121,419cyclictest0-21swapper/922:10:2215
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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