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2025-12-27 - 12:47
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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 rack0slot7.osadl.org (updated Sat Dec 27, 2025 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
53980399689688,1cyclictest0-21swapper/323:40:509
5398039947915,56cyclictest1702115-21dd23:47:359
5398379945418,27cyclictest0-21swapper/1322:14:185
5397979945422,30cyclictest0-21swapper/122:51:441
5398429945225,426cyclictest0-21swapper/1522:28:367
5397979944917,27cyclictest0-21swapper/123:58:531
5398429944823,425cyclictest0-21swapper/1519:12:387
5398429944823,425cyclictest0-21swapper/1500:03:217
5398429944622,423cyclictest0-21swapper/1520:20:497
539817994380,27cyclictest83706-21StreamT~13
5398379943224,408cyclictest0-21swapper/1320:08:345
5398379943124,404cyclictest86350irq/169-nvme1q623:15:565
539837994312,428cyclictest0-21swapper/1319:10:155
5398379943024,406cyclictest0-21swapper/1319:45:575
5398299943022,405cyclictest0-21swapper/1123:17:583
5398179943022,405cyclictest0-21swapper/720:49:5313
5398079943022,407cyclictest0-21swapper/420:26:2110
539842994291,427cyclictest0-21swapper/1522:23:457
539839994290,428cyclictest0-21swapper/1423:34:226
5398109942924,404cyclictest0-21swapper/520:13:5911
5398079942923,405cyclictest1595561-21kthreadcore23:20:2210
539839994280,28cyclictest0-21swapper/1423:53:206
5398299942823,403cyclictest0-21swapper/1120:32:183
5398079942822,405cyclictest0-21swapper/421:58:4110
539842994272,425cyclictest0-21swapper/1500:22:227
539842994270,426cyclictest0-21swapper/1522:48:487
5398109942721,399cyclictest0-21swapper/521:34:3711
539842994261,425cyclictest0-21swapper/1521:31:217
539842994260,426cyclictest0-21swapper/1521:14:367
539842994260,28cyclictest0-21swapper/1520:03:427
539822994260,425cyclictest0-21swapper/920:28:4215
5398229942518,404cyclictest0-21swapper/921:28:5815
5398079942517,407cyclictest0-21swapper/421:53:2210
5397939942416,402cyclictest0-21swapper/021:13:580
539839994230,423cyclictest0-21swapper/1421:42:446
5398379942316,404cyclictest0-21swapper/1321:40:595
5398329942321,400cyclictest85950irq/168-nvme1q523:50:164
5398199942321,401cyclictest0-21swapper/823:51:4514
5398079942316,407cyclictest0-21swapper/422:22:4510
5398039942320,403cyclictest0-21swapper/319:13:589
5397979942320,402cyclictest0-21swapper/120:37:581
539842994223,419cyclictest0-21swapper/1519:49:247
5398429942223,399cyclictest0-21swapper/1523:39:227
539839994220,0cyclictest0-21swapper/1422:50:176
53983299422421,1cyclictest1063192-21kworker/12:2+i915-unordered21:15:214
5398429942122,399cyclictest0-21swapper/1520:06:307
5398429942121,400cyclictest0-21swapper/1520:19:457
5398079942115,405cyclictest1825-21NetworkManager22:47:2210
5398429942021,399cyclictest0-21swapper/1519:58:397
5398329942019,400cyclictest0-21swapper/1220:48:564
5398299942013,406cyclictest1151597-21kthreadcore21:35:223
5398299942013,406cyclictest1151597-21kthreadcore21:35:223
53982299420417,3cyclictest539788-21cyclictest23:30:2215
5398079942013,407cyclictest0-21swapper/421:07:5510
5397939942017,399cyclictest0-21swapper/021:56:580
5398429941921,398cyclictest0-21swapper/1523:43:567
5398429941919,399cyclictest0-21swapper/1500:14:227
5398429941919,399cyclictest0-21swapper/1500:14:217
53982799419419,0cyclictest0-21swapper/1019:33:592
539827994190,418cyclictest0-21swapper/1022:28:132
539827994190,418cyclictest0-21swapper/1020:43:302
539827994190,418cyclictest0-21swapper/1000:20:482
53981999419419,0cyclictest0-21swapper/821:21:2414
5398079941913,406cyclictest0-21swapper/419:52:5710
53982799418418,0cyclictest0-21swapper/1023:38:582
5398079941814,404cyclictest0-21swapper/419:17:4110
5398039941816,399cyclictest0-21swapper/323:16:379
539819994170,416cyclictest0-21swapper/819:59:4214
5398079941711,406cyclictest0-21swapper/423:42:5410
5398079941711,406cyclictest0-21swapper/423:07:5710
5398329941617,398cyclictest0-21swapper/1222:31:124
5398199941621,395cyclictest0-21swapper/822:44:4514
5398199941619,397cyclictest0-21swapper/800:26:2214
5398179941616,399cyclictest0-21swapper/720:54:5413
539807994169,406cyclictest0-21swapper/423:36:4610
539807994169,406cyclictest0-21swapper/422:05:2810
5398379941511,404cyclictest0-21swapper/1322:38:585
53983299415414,1cyclictest1869446-21kworker/12:2+i915-unordered00:29:224
5398199941520,395cyclictest0-21swapper/821:16:4614
539807994158,407cyclictest0-21swapper/423:33:2210
539807994158,406cyclictest0-21swapper/421:21:4710
539807994157,407cyclictest0-21swapper/423:29:4410
5398199941419,395cyclictest0-21swapper/823:12:5014
539807994148,406cyclictest0-21swapper/423:13:2210
5398299941316,397cyclictest0-21swapper/1123:48:133
539807994138,405cyclictest0-21swapper/420:22:3410
539807994137,406cyclictest0-21swapper/400:01:2210
539822994114,406cyclictest0-21swapper/921:56:4515
53984299410408,1cyclictest0-21swapper/1500:09:337
539839994100,409cyclictest0-21swapper/1422:36:236
539839994100,409cyclictest0-21swapper/1420:31:106
539837994100,409cyclictest0-21swapper/1322:00:335
539822994105,405cyclictest0-21swapper/919:35:4315
539839994090,408cyclictest0-21swapper/1421:47:126
539822994092,406cyclictest0-21swapper/921:19:3415
5398109940910,398cyclictest0-21swapper/522:19:4311
5397979940910,399cyclictest0-21swapper/120:56:381
5397939940911,397cyclictest3844174-21Timer00:27:200
539839994080,407cyclictest0-21swapper/1419:56:356
539839994080,407cyclictest0-21swapper/1419:41:566
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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