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2026-08-08 - 10:11
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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 Sat Aug 08, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
859020997341,31cyclictest903367-21kworker/1:121:35:161
859020997243,28cyclictest865559-21kworker/1:219:30:161
859020997143,27cyclictest858843-21kworker/1:119:15:021
859020997050,18cyclictest2966316-1kworker/1:1H21:50:001
859020997044,25cyclictest2966316-1kworker/1:1H19:26:311
859020996841,26cyclictest858843-21kworker/1:119:25:001
859020996839,28cyclictest2966316-1kworker/1:1H20:15:051
859020996839,28cyclictest2966316-1kworker/1:1H20:15:051
859020996838,29cyclictest896682-21kworker/1:221:10:021
859020996838,28cyclictest901824-21kworker/1:021:25:141
859020996838,28cyclictest901824-21kworker/1:021:25:131
859020996741,25cyclictest895141-21kworker/1:121:05:131
85902099652,1cyclictest0-21swapper/120:01:081
85902099640,63cyclictest0-21swapper/119:57:481
85902099640,2cyclictest0-21swapper/120:31:431
85902099640,1cyclictest0-21swapper/122:10:131
859020996335,27cyclictest2966316-1kworker/1:1H21:55:141
85902099630,1cyclictest0-21swapper/119:40:421
859020996242,19cyclictest2966316-1kworker/1:1H20:50:011
859020996241,20cyclictest937854-21kworker/1:023:50:141
859020996234,27cyclictest2966316-1kworker/1:1H20:55:141
859020996231,29cyclictest2966316-1kworker/1:1H20:35:141
85902099620,1cyclictest0-21swapper/121:40:361
85902099620,1cyclictest0-21swapper/121:40:351
859020996131,28cyclictest2966316-1kworker/1:1H22:50:141
859020996130,29cyclictest935130-21kworker/1:223:15:141
859020996043,16cyclictest2966316-1kworker/1:1H19:50:141
859020996034,24cyclictest2966316-1kworker/1:1H22:55:121
859020996031,27cyclictest937854-21kworker/1:023:40:011
859020995949,9cyclictest0-21swapper/100:25:001
859020995940,17cyclictest922180-21kworker/1:022:30:131
859020995935,23cyclictest2966316-1kworker/1:1H22:00:131
859020995926,31cyclictest2966316-1kworker/1:1H20:40:141
859020995843,14cyclictest960647-21kworker/1:300:30:211
859020995843,14cyclictest912934-21kworker/1:222:20:151
859020995843,14cyclictest868301-21kworker/1:119:45:011
859020995842,15cyclictest896682-21kworker/1:221:20:041
859020995841,16cyclictest933002-21kworker/1:123:10:121
859020995841,16cyclictest903367-21kworker/1:121:30:131
859020995742,14cyclictest937854-21kworker/1:023:34:581
859020995742,14cyclictest933002-21kworker/1:123:05:491
859020995742,14cyclictest922180-21kworker/1:022:40:131
859020995742,14cyclictest912934-21kworker/1:222:25:521
859020995742,14cyclictest912934-21kworker/1:222:05:341
859020995742,14cyclictest858843-21kworker/1:119:12:031
859020995742,14cyclictest2966316-1kworker/1:1H23:42:181
859020995742,14cyclictest2966316-1kworker/1:1H21:00:241
859020995728,27cyclictest2966316-1kworker/1:1H00:35:161
859020995641,14cyclictest922180-21kworker/1:023:00:011
859020995641,14cyclictest864017-21kworker/1:019:35:141
859020995640,15cyclictest937854-21kworker/1:023:55:131
859020995640,15cyclictest896682-21kworker/1:221:20:001
859020995639,16cyclictest874811-21kworker/1:020:10:141
859020995638,17cyclictest905551-21kworker/1:321:50:111
859020995625,28cyclictest2966316-1kworker/1:1H23:20:141
859020995625,28cyclictest2966316-1kworker/1:1H23:20:131
859020995541,14cyclictest922180-21kworker/1:022:47:041
859020995540,14cyclictest937854-21kworker/1:023:27:121
859020995539,15cyclictest922180-21kworker/1:022:35:131
859020995538,16cyclictest950910-21kworker/1:300:05:131
85902099550,4cyclictest950877-21fschecks_time00:00:141
859023995449,3cyclictest493060-1kworker/3:0H00:03:593
859022995448,4cyclictest3481646-1kworker/2:1H20:15:142
859022995448,4cyclictest3481646-1kworker/2:1H20:15:142
859020995439,14cyclictest958203-21kworker/1:000:28:381
859020995439,14cyclictest952775-21kworker/1:100:15:061
859023995348,3cyclictest493060-1kworker/3:0H22:12:493
859020995338,14cyclictest912934-21kworker/1:222:15:091
859020995338,14cyclictest882553-21kworker/1:220:25:291
859020995338,14cyclictest882553-21kworker/1:220:24:251
859020995338,14cyclictest874811-21kworker/1:020:05:491
859020995338,14cyclictest2966316-1kworker/1:1H20:50:131
859022995249,2cyclictest890517-21kworker/2:220:54:232
859022995248,2cyclictest945590-21kworker/2:200:07:292
859022995248,2cyclictest945590-21kworker/2:200:02:232
859022995247,3cyclictest862467-21kworker/2:019:34:492
859023995146,3cyclictest928408-21kworker/3:123:30:343
859023995146,3cyclictest493060-1kworker/3:0H22:29:553
859023995146,3cyclictest493060-1kworker/3:0H22:05:143
859023995146,3cyclictest493060-1kworker/3:0H20:13:503
859022995147,3cyclictest912865-21kworker/2:222:07:022
859022995146,3cyclictest3481646-1kworker/2:1H22:16:572
859022995145,3cyclictest3481646-1kworker/2:1H21:20:132
859020995136,14cyclictest937854-21kworker/1:023:45:001
859019995148,2cyclictest2712751-1kworker/0:2H20:35:430
859019995147,3cyclictest858842-21kworker/0:019:25:290
859019995147,3cyclictest2712751-1kworker/0:2H21:21:480
859019995146,3cyclictest2712751-1kworker/0:2H00:05:210
859023995047,2cyclictest889024-21kworker/3:021:21:113
859023995045,3cyclictest493060-1kworker/3:0H19:19:203
859023995043,4cyclictest493060-1kworker/3:0H19:35:133
859022995047,2cyclictest890516-21kworker/2:020:48:202
859022995046,2cyclictest922179-21kworker/2:023:03:242
859022995046,2cyclictest922179-21kworker/2:022:50:212
859022995046,2cyclictest922179-21kworker/2:022:27:522
859022995045,3cyclictest958210-21kworker/2:200:35:462
859022995045,3cyclictest870198-21kworker/2:119:52:062
859022995045,3cyclictest3481646-1kworker/2:1H21:05:292
859019995046,2cyclictest919041-21kworker/0:022:47:390
859019995046,2cyclictest870197-21kworker/0:220:00:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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