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2026-03-20 - 00:27
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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 rackeslot3.osadl.org (updated Thu Mar 19, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
254949699660,64cyclictest0-21swapper/110:48:051
254949699652,62cyclictest0-21swapper/110:00:141
254949699650,63cyclictest0-21swapper/108:04:361
2549496996341,20cyclictest294981-1kworker/1:0H07:30:001
254949699630,1cyclictest0-21swapper/107:44:421
2549496996259,2cyclictest0-21swapper/107:46:111
254949699620,1cyclictest0-21swapper/112:16:101
2549496996159,1cyclictest0-21swapper/110:23:121
2549496996057,2cyclictest0-21swapper/108:28:411
2549496996030,28cyclictest294981-1kworker/1:0H07:35:001
2549496995942,16cyclictest2670885-21kworker/1:010:55:011
2549496995940,17cyclictest2635356-21kworker/1:110:15:151
2549496995843,14cyclictest2677245-21kworker/1:211:10:171
2549496995842,15cyclictest2702336-21kworker/1:111:30:421
2549496995842,15cyclictest2563048-21kworker/1:308:10:271
2549496995842,14cyclictest2662066-21kworker/1:010:40:121
2549496995841,16cyclictest2583576-21kworker/1:109:05:141
2549496995841,16cyclictest2575086-21kworker/1:008:36:421
2549496995839,17cyclictest2727560-21kworker/1:112:00:131
2549496995836,20cyclictest294981-1kworker/1:0H07:19:591
2549496995742,14cyclictest2753850-21kworker/1:012:29:131
2549496995742,14cyclictest2753850-21kworker/1:012:29:121
2549496995742,14cyclictest2696692-21kworker/1:011:20:131
2549496995742,14cyclictest2676517-21kworker/1:110:55:241
2549496995742,14cyclictest2657375-21kworker/1:110:35:181
2549496995742,14cyclictest2635356-21kworker/1:110:25:011
2549496995742,14cyclictest2614793-21kworker/1:209:50:131
2549496995742,14cyclictest2549308-21kworker/1:207:10:011
2549496995741,15cyclictest2736193-21kworker/1:212:10:031
2549496995741,15cyclictest2610335-21kworker/1:009:45:091
2549496995741,15cyclictest2583576-21kworker/1:109:15:131
2549496995741,15cyclictest2554489-21kworker/1:007:35:001
2549496995740,16cyclictest2727560-21kworker/1:112:20:421
2549496995740,16cyclictest2610335-21kworker/1:009:40:131
2549496995641,14cyclictest2731759-21kworker/1:012:05:021
2549496995641,14cyclictest2677245-21kworker/1:211:15:011
2549496995641,14cyclictest2677245-21kworker/1:211:05:121
2549496995641,14cyclictest2652964-21kworker/1:210:30:121
2549496995641,14cyclictest2614793-21kworker/1:210:10:121
2549496995641,14cyclictest2600825-21kworker/1:309:30:131
2549496995641,14cyclictest2570439-21kworker/1:108:15:431
2549496995641,14cyclictest2552929-21kworker/1:107:24:431
2549496995640,15cyclictest2753850-21kworker/1:012:35:581
2549496995640,15cyclictest2562227-21kworker/1:107:50:141
2549496995639,16cyclictest2563048-21kworker/1:308:00:001
2549496995540,14cyclictest2753850-21kworker/1:012:30:131
2549496995540,14cyclictest2753850-21kworker/1:012:30:121
2549496995540,14cyclictest2702336-21kworker/1:111:25:471
2549496995540,14cyclictest2579974-21kworker/1:208:50:131
2549496995539,15cyclictest2711194-21kworker/1:211:50:541
2549496995539,15cyclictest2583576-21kworker/1:109:20:161
2549496995539,15cyclictest2583576-21kworker/1:109:15:001
2549496995439,14cyclictest2623564-21kworker/1:009:55:131
2549496995439,14cyclictest2583576-21kworker/1:108:57:431
2549496995438,15cyclictest294981-1kworker/1:0H09:38:411
2549496995438,15cyclictest2711194-21kworker/1:211:45:011
2549496995437,16cyclictest2711194-21kworker/1:211:40:011
2549496995437,16cyclictest2629782-21kworker/1:010:05:131
2549496995434,19cyclictest2677245-21kworker/1:211:00:131
254949699541,2cyclictest0-21swapper/108:40:571
2549491995449,3cyclictest2494205-1kworker/0:2H10:45:130
2549491995448,5cyclictest2494205-1kworker/0:2H12:10:060
2549505995348,3cyclictest773820-21kworker/3:107:35:143
2549505995348,3cyclictest2349911-1kworker/3:0H11:20:123
2549500995348,4cyclictest1401689-1kworker/2:0H10:20:432
2549496995338,14cyclictest2711194-21kworker/1:211:55:141
2549496995338,14cyclictest2706782-21kworker/1:011:35:121
2549496995335,17cyclictest2600825-21kworker/1:309:30:011
2549496995335,17cyclictest2600825-21kworker/1:309:30:001
2549491995349,3cyclictest2731555-21kworker/0:112:28:070
2549491995349,3cyclictest2731555-21kworker/0:112:28:060
2549491995349,2cyclictest2731555-21kworker/0:112:06:420
2549505995248,2cyclictest2584657-21kworker/3:110:33:493
2549500995248,2cyclictest2554499-21kworker/2:107:30:112
2549500995246,4cyclictest1401689-1kworker/2:0H10:38:422
2549496995237,14cyclictest2579974-21kworker/1:209:00:001
2549496995237,14cyclictest2575086-21kworker/1:008:30:141
2549491995248,3cyclictest2667095-21kworker/0:210:50:430
2549491995248,2cyclictest2711473-21kworker/0:011:41:060
2549491995247,3cyclictest2610329-21kworker/0:109:53:160
2549505995147,3cyclictest2349911-1kworker/3:0H08:10:123
2549500995147,2cyclictest1401689-1kworker/2:0H07:40:122
2549500995144,4cyclictest1401689-1kworker/2:0H12:25:472
2549500995144,4cyclictest1401689-1kworker/2:0H12:25:462
2549491995148,2cyclictest2556032-21kworker/0:207:38:170
2549500995045,3cyclictest2658211-21kworker/2:110:47:102
2549500995045,3cyclictest1401689-1kworker/2:0H10:55:132
2549500995045,3cyclictest1401689-1kworker/2:0H09:30:202
2549500995045,3cyclictest1401689-1kworker/2:0H08:19:422
2549500995044,4cyclictest1401689-1kworker/2:0H10:42:412
2549500995043,4cyclictest1401689-1kworker/2:0H12:05:122
2549496995034,15cyclictest2570439-21kworker/1:108:20:121
2549491995047,2cyclictest2552414-21kworker/0:107:18:120
2549505994946,2cyclictest773820-21kworker/3:108:04:563
2549505994946,2cyclictest2689997-21kworker/3:211:48:413
2549505994946,2cyclictest2584657-21kworker/3:109:10:183
2549505994943,4cyclictest2349911-1kworker/3:0H12:08:423
2549500994944,3cyclictest1401689-1kworker/2:0H09:50:242
2549500994942,5cyclictest1401689-1kworker/2:0H12:13:412
2549500994941,5cyclictest1401689-1kworker/2:0H07:55:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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