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2025-08-27 - 14:39
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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 Wed Aug 27, 2025 00:46:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4065519945431,28cyclictest1481275-21StreamT~11
4065409945321,28cyclictest0-21swapper/223:15:508
4065519945221,28cyclictest0-21swapper/519:56:4011
4065499945221,27cyclictest0-21swapper/422:02:3910
4065499945221,27cyclictest0-21swapper/422:02:3910
4065409945219,27cyclictest0-21swapper/220:26:598
4065669945119,27cyclictest0-21swapper/919:43:4115
4065379944416,27cyclictest0-21swapper/119:44:371
406545994388,26cyclictest0-21swapper/323:08:439
4065409943811,427cyclictest0-21swapper/222:03:208
4065409943811,427cyclictest0-21swapper/222:03:208
406540994376,27cyclictest0-21swapper/221:19:218
406551994365,27cyclictest0-21swapper/520:57:4711
406551994364,27cyclictest0-21swapper/522:54:4311
406569994355,27cyclictest0-21swapper/1000:25:422
406551994354,27cyclictest0-21swapper/521:15:5411
406551994353,27cyclictest0-21swapper/522:40:2211
406549994345,428cyclictest0-21swapper/400:31:3410
406549994345,428cyclictest0-21swapper/400:31:3410
406540994330,28cyclictest0-21swapper/222:19:208
406537994335,28cyclictest0-21swapper/121:31:131
406551994320,28cyclictest0-21swapper/519:11:4911
4065459943227,405cyclictest0-21swapper/323:55:199
4065499943124,406cyclictest0-21swapper/421:50:4010
406588994290,428cyclictest0-21swapper/1521:05:447
4065499942822,406cyclictest0-21swapper/423:12:4310
406588994270,426cyclictest0-21swapper/1500:36:577
4065519942721,405cyclictest0-21swapper/523:57:4811
4065519942721,405cyclictest0-21swapper/523:43:4311
4065499942722,405cyclictest0-21swapper/422:33:5010
4065499942720,407cyclictest0-21swapper/423:46:2410
4065379942724,402cyclictest0-21swapper/119:48:201
406588994260,425cyclictest0-21swapper/1521:23:317
406588994260,425cyclictest0-21swapper/1520:49:467
406588994260,21cyclictest0-21swapper/1520:57:247
40656499426426,0cyclictest0-21swapper/822:52:4314
4065519942621,405cyclictest0-21swapper/519:33:4211
4065499942618,408cyclictest0-21swapper/420:17:5510
4065499942618,408cyclictest0-21swapper/420:17:5510
406588994250,425cyclictest0-21swapper/1521:25:567
4065519942521,404cyclictest0-21swapper/519:18:4911
4065519942521,404cyclictest0-21swapper/519:18:4911
4065499942518,407cyclictest0-21swapper/420:51:5510
4065499942518,407cyclictest0-21swapper/419:19:3010
4065499942518,407cyclictest0-21swapper/419:19:2910
4065499942517,408cyclictest0-21swapper/421:33:4210
40653799425425,0cyclictest331irq_work/121:13:111
40653799425425,0cyclictest331irq_work/121:13:111
406588994240,424cyclictest0-21swapper/1522:22:257
406588994240,423cyclictest0-21swapper/1523:32:457
406588994240,423cyclictest0-21swapper/1522:26:437
406588994240,423cyclictest0-21swapper/1521:43:437
406588994240,19cyclictest0-21swapper/1523:04:537
406584994240,424cyclictest0-21swapper/1422:46:206
4065669942418,404cyclictest0-21swapper/922:07:4815
4065669942418,404cyclictest0-21swapper/922:07:4815
406588994230,3cyclictest0-21swapper/1523:10:437
4065499942316,407cyclictest0-21swapper/400:01:4510
406588994220,421cyclictest0-21swapper/1523:56:217
406588994220,421cyclictest0-21swapper/1520:04:437
406588994220,421cyclictest0-21swapper/1519:34:417
406588994220,421cyclictest0-21swapper/1500:14:207
406588994220,421cyclictest0-21swapper/1500:14:207
406588994220,17cyclictest0-21swapper/1519:55:447
406588994220,17cyclictest0-21swapper/1519:26:437
406588994220,17cyclictest0-21swapper/1519:26:427
4065699942219,403cyclictest0-21swapper/1019:18:242
4065699942219,403cyclictest0-21swapper/1019:18:242
406588994210,421cyclictest0-21swapper/1520:31:417
406588994210,420cyclictest0-21swapper/1520:13:487
406588994210,17cyclictest0-21swapper/1523:38:307
406588994210,17cyclictest0-21swapper/1522:42:437
406588994210,16cyclictest0-21swapper/1523:54:387
40657899421420,1cyclictest447514-21kworker/12:2+i915-unordered19:19:304
40657899421420,1cyclictest447514-21kworker/12:2+i915-unordered19:19:294
4065749942115,405cyclictest0-21swapper/1100:23:203
4065669942122,399cyclictest0-21swapper/919:25:5115
4065669942122,399cyclictest0-21swapper/919:25:5115
4065409942115,406cyclictest0-21swapper/221:30:438
4065409942114,407cyclictest0-21swapper/221:39:438
406588994200,420cyclictest0-21swapper/1521:55:487
406588994200,420cyclictest0-21swapper/1521:36:207
406588994200,16cyclictest0-21swapper/1523:29:427
406584994200,420cyclictest0-21swapper/1420:29:416
4065749942016,404cyclictest0-21swapper/1121:04:213
4065749942016,404cyclictest0-21swapper/1121:04:213
4065379942014,403cyclictest0-21swapper/119:35:591
406588994190,419cyclictest0-21swapper/1521:33:587
406588994190,16cyclictest0-21swapper/1519:24:437
406588994190,16cyclictest0-21swapper/1519:24:437
4065789941919,400cyclictest0-21swapper/1222:55:414
4065649941924,394cyclictest0-21swapper/820:50:2014
4065499941918,401cyclictest0-21swapper/419:41:2010
4065409941913,406cyclictest0-21swapper/220:40:428
4065409941912,406cyclictest0-21swapper/221:28:438
406588994180,417cyclictest0-21swapper/1523:07:507
4065749941817,0cyclictest0-21swapper/1122:31:593
4065699941811,404cyclictest0-21swapper/1000:31:502
4065699941811,404cyclictest0-21swapper/1000:31:502
4065889941621,395cyclictest0-21swapper/1521:45:207
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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