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2026-08-30 - 12:17
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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 Sun Aug 30, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
416143999630,2cyclictest0-21swapper/120:05:051
4161439996241,20cyclictest2155532-1kworker/1:2H22:55:001
4161439996138,21cyclictest2155532-1kworker/1:2H19:45:011
4161439996058,1cyclictest0-21swapper/121:04:131
4161439996058,1cyclictest0-21swapper/100:30:061
4161439996045,14cyclictest119926-21kworker/1:223:20:141
4161439996043,16cyclictest70394-21kworker/1:122:35:131
4161439995943,15cyclictest2155532-1kworker/1:2H00:00:481
4161439995941,17cyclictest4180588-21kworker/1:020:20:121
4161439995844,14cyclictest4157801-21kworker/1:019:10:131
4161439995843,14cyclictest65600-21kworker/1:022:20:131
4161439995843,14cyclictest5403-21kworker/1:221:14:131
4161439995843,14cyclictest4189177-21kworker/1:320:35:121
4161439995843,14cyclictest4180588-21kworker/1:020:17:361
4161439995843,14cyclictest4174173-21kworker/1:219:50:131
4161439995843,14cyclictest4172632-21kworker/1:120:00:121
4161439995843,14cyclictest185077-21kworker/1:000:35:151
4161439995843,14cyclictest156269-21kworker/1:200:21:161
4161439995842,15cyclictest84637-21kworker/1:222:47:271
4161439995842,15cyclictest84637-21kworker/1:222:47:271
4161439995842,15cyclictest4164891-21kworker/1:319:27:431
4161439995841,16cyclictest141734-21kworker/1:023:41:221
4161439995840,17cyclictest156269-21kworker/1:200:15:171
4161439995742,14cyclictest65600-21kworker/1:022:25:141
4161439995742,14cyclictest4179051-21kworker/1:320:10:001
4161439995742,14cyclictest170452-21kworker/1:100:12:421
4161439995742,14cyclictest141734-21kworker/1:023:55:011
4161439995742,14cyclictest141734-21kworker/1:023:55:001
4161439995742,14cyclictest108919-21kworker/1:023:15:161
4161439995741,15cyclictest4187009-21kworker/1:120:45:011
4161439995740,16cyclictest70394-21kworker/1:122:30:151
4161439995740,16cyclictest43811-21kworker/1:322:00:141
4161439995740,16cyclictest38441-21kworker/1:021:50:151
4161439995740,16cyclictest32451-21kworker/1:121:40:141
4161439995738,17cyclictest8582-21kworker/1:121:25:141
4161439995641,14cyclictest94177-21kworker/1:122:55:151
4161439995641,14cyclictest32451-21kworker/1:121:45:021
4161439995641,14cyclictest2155532-1kworker/1:2H21:17:151
4161439995641,14cyclictest2155532-1kworker/1:2H20:55:121
4161439995640,15cyclictest56358-21kworker/1:122:10:001
4161439995638,17cyclictest2155532-1kworker/1:2H20:50:111
4161441995549,4cyclictest3267504-1kworker/2:1H19:52:092
4161439995540,14cyclictest4187009-21kworker/1:120:30:141
4161439995540,14cyclictest4172632-21kworker/1:119:45:011
4161439995540,14cyclictest18078-21kworker/1:221:24:161
4161439995540,14cyclictest156269-21kworker/1:200:09:161
4161439995540,14cyclictest104296-21kworker/1:323:02:301
4161439995539,15cyclictest4187009-21kworker/1:120:40:121
4161439995539,15cyclictest4164891-21kworker/1:319:35:131
4161439995538,16cyclictest84637-21kworker/1:222:40:161
4161439995538,16cyclictest104296-21kworker/1:323:05:151
4161439995536,18cyclictest2155532-1kworker/1:2H21:30:161
4161436995550,3cyclictest1583174-1kworker/0:0H22:09:420
4161442995450,3cyclictest1613000-1kworker/3:2H21:38:453
4161442995449,3cyclictest4146652-21kworker/3:219:48:123
4161439995439,14cyclictest43098-21kworker/1:221:55:001
4161439995439,14cyclictest4164891-21kworker/1:319:30:151
4161439995439,14cyclictest3858-21kworker/1:021:05:311
4161439995439,14cyclictest179996-21kworker/1:100:27:371
4161439995439,14cyclictest179996-21kworker/1:100:27:361
4161439995439,14cyclictest136754-21kworker/1:323:45:141
4161439995439,14cyclictest119926-21kworker/1:223:25:151
4161439995439,14cyclictest108919-21kworker/1:023:13:171
4161439995438,15cyclictest4180588-21kworker/1:020:25:001
4161439995436,17cyclictest59927-21kworker/1:222:15:151
4161436995449,3cyclictest1583174-1kworker/0:0H21:02:380
4161442995348,3cyclictest1613000-1kworker/3:2H23:30:193
4161439995339,14cyclictest136754-21kworker/1:323:35:141
4161439995338,14cyclictest4164891-21kworker/1:319:20:161
4161439995338,14cyclictest4162850-21kworker/1:219:15:151
4161436995348,3cyclictest1583174-1kworker/0:0H23:12:410
4161442995249,2cyclictest171996-21kworker/3:000:18:043
4161442995248,2cyclictest4146652-21kworker/3:220:02:173
4161441995249,2cyclictest4172634-21kworker/2:020:17:112
4161439995237,14cyclictest141734-21kworker/1:023:50:131
4161439995236,15cyclictest2155532-1kworker/1:2H19:55:141
4161439995232,19cyclictest43811-21kworker/1:322:05:141
4161442995148,2cyclictest2371-21kworker/3:021:26:413
4161442995147,2cyclictest4180386-21kworker/3:120:40:313
4161442995147,2cyclictest4146652-21kworker/3:219:22:423
4161442995146,3cyclictest2371-21kworker/3:022:12:293
4161442995146,3cyclictest1613000-1kworker/3:2H22:01:163
4161442995145,4cyclictest1613000-1kworker/3:2H22:35:053
4161439995137,14cyclictest22765-21kworker/1:021:35:011
4161439995136,14cyclictest129484-21kworker/1:023:30:121
4161436995148,2cyclictest81773-21kworker/0:023:03:210
4161436995148,2cyclictest754-21kworker/0:020:58:420
4161436995146,3cyclictest1583174-1kworker/0:0H00:30:300
4161442995047,2cyclictest2371-21kworker/3:021:53:423
4161442995046,3cyclictest4146652-21kworker/3:219:12:353
4161442995045,3cyclictest2371-21kworker/3:021:15:413
4161442995045,3cyclictest1613000-1kworker/3:2H21:45:413
4161436995047,2cyclictest4171063-21kworker/0:219:44:120
4161436995047,2cyclictest27723-21kworker/0:321:52:250
4161442994946,2cyclictest90135-21kworker/3:123:36:223
4161442994945,3cyclictest4180386-21kworker/3:120:27:183
4161442994944,3cyclictest1613000-1kworker/3:2H21:20:233
4161436994945,2cyclictest1583174-1kworker/0:0H20:05:310
4161442994843,3cyclictest4146652-21kworker/3:219:19:423
4161442994842,3cyclictest1613000-1kworker/3:2H00:00:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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