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2025-12-21 - 07:04
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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 Dec 21, 2025 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
571992997237,34cyclictest636169-21kworker/1:222:45:151
57199299640,2cyclictest629731-21kworker/1:122:18:081
57199299640,2cyclictest0-21swapper/120:07:431
57199299640,2cyclictest0-21swapper/120:07:431
57199299630,61cyclictest0-21swapper/119:59:411
571999996143,15cyclictest2642961-1kworker/3:1H20:00:013
571992996140,19cyclictest672842-21kworker/1:200:35:141
571992996139,20cyclictest2578189-1kworker/1:1H21:15:001
571992996056,2cyclictest0-21swapper/122:36:211
571992996041,17cyclictest645929-21kworker/1:123:15:141
571992996040,18cyclictest622676-21kworker/1:322:10:151
571992995942,15cyclictest609669-21kworker/1:121:15:151
571992995842,15cyclictest640787-21kworker/1:122:50:161
571992995841,16cyclictest661349-21kworker/1:100:00:001
571992995841,15cyclictest655180-21kworker/1:023:35:171
57199999571,23cyclictest2698727-21kworker/3:119:46:103
571992995744,12cyclictest26350irq/16-i801_smb00:13:411
571992995742,14cyclictest636169-21kworker/1:222:40:141
571992995742,14cyclictest597088-21kworker/1:220:32:531
571992995741,15cyclictest597088-21kworker/1:220:36:161
571992995741,14cyclictest666007-21kworker/1:100:15:061
571992995741,14cyclictest589317-21kworker/1:020:10:171
571992995741,14cyclictest589317-21kworker/1:020:10:161
571992995740,16cyclictest670193-21kworker/1:100:25:161
571992995740,16cyclictest578563-21kworker/1:319:40:141
571992995740,15cyclictest571793-21kworker/1:119:15:031
571992995719,36cyclictest2578189-1kworker/1:1H21:35:001
571992995719,36cyclictest2578189-1kworker/1:1H21:35:001
57199299570,55cyclictest0-21swapper/121:29:211
571997995651,3cyclictest672194-21kworker/2:200:36:482
571992995641,14cyclictest670193-21kworker/1:100:23:481
571992995641,14cyclictest645929-21kworker/1:123:10:001
571992995641,14cyclictest576973-21kworker/1:019:25:171
571992995640,15cyclictest664467-21kworker/1:000:03:361
571992995640,15cyclictest626653-21kworker/1:122:05:181
571992995640,15cyclictest2578189-1kworker/1:1H23:48:471
571992995540,14cyclictest655180-21kworker/1:023:50:131
571992995540,14cyclictest592445-21kworker/1:220:15:171
571992995540,14cyclictest578563-21kworker/1:319:45:061
571992995540,14cyclictest2578189-1kworker/1:1H20:58:051
571992995540,14cyclictest2578189-1kworker/1:1H20:22:471
571992995539,15cyclictest620491-21kworker/1:121:47:461
571992995539,15cyclictest606849-21kworker/1:021:05:161
571992995537,17cyclictest649907-21kworker/1:323:25:151
571992995537,17cyclictest649907-21kworker/1:323:25:151
571992995535,18cyclictest629731-21kworker/1:122:20:141
571997995447,4cyclictest362409-1kworker/2:1H19:27:342
571992995451,2cyclictest0-21swapper/122:30:421
571992995439,14cyclictest662889-21kworker/1:200:05:161
571992995439,14cyclictest655180-21kworker/1:023:40:141
571992995439,14cyclictest642578-21kworker/1:023:00:001
571992995439,14cyclictest629731-21kworker/1:122:25:151
571992995439,14cyclictest2578189-1kworker/1:1H19:38:461
571992995438,15cyclictest649907-21kworker/1:323:23:361
571992995438,15cyclictest622676-21kworker/1:322:00:011
571992995438,15cyclictest2578189-1kworker/1:1H19:10:261
571992995349,2cyclictest0-21swapper/120:03:161
571992995338,14cyclictest615853-21kworker/1:021:35:141
571992995338,14cyclictest609669-21kworker/1:121:20:151
571992995337,15cyclictest2578189-1kworker/1:1H21:52:511
571992995336,16cyclictest575412-21kworker/1:219:20:141
57199299532,2cyclictest596140-21fschecks_count20:25:191
571988995346,5cyclictest7-1kworker/0:0H20:50:140
571999995247,3cyclictest2642961-1kworker/3:1H21:25:313
571997995247,3cyclictest620496-21kworker/2:221:49:152
571992995237,14cyclictest606849-21kworker/1:021:00:141
571992995236,15cyclictest578563-21kworker/1:319:30:161
571992995234,17cyclictest584681-21kworker/1:119:50:161
571992995234,17cyclictest584681-21kworker/1:119:50:161
571992995233,17cyclictest603498-21kworker/1:020:50:161
571988995248,2cyclictest637694-21kworker/0:222:48:240
571988995247,3cyclictest7-1kworker/0:0H20:28:560
571997995147,3cyclictest626656-21kworker/2:022:11:462
571997995147,2cyclictest580047-21kworker/2:020:03:502
571997995146,3cyclictest595539-21kworker/2:220:41:072
571992995136,14cyclictest649907-21kworker/1:323:34:411
571992995136,14cyclictest642578-21kworker/1:022:55:121
571988995146,3cyclictest7-1kworker/0:0H23:08:270
571988995146,3cyclictest7-1kworker/0:0H19:35:210
571999995046,2cyclictest2698727-21kworker/3:121:50:203
571997995046,2cyclictest667546-21kworker/2:100:18:162
571997995046,2cyclictest570470-21kworker/2:319:10:312
571992995035,14cyclictest672842-21kworker/1:200:31:161
571992995032,17cyclictest615853-21kworker/1:021:40:161
571992995031,18cyclictest597088-21kworker/1:220:40:141
571988995045,3cyclictest584692-21kworker/0:019:50:000
571999994946,2cyclictest2698727-21kworker/3:122:39:563
571999994946,2cyclictest2698727-21kworker/3:120:25:003
571999994944,3cyclictest2642961-1kworker/3:1H19:20:143
571997994944,3cyclictest362409-1kworker/2:1H23:05:422
571997994943,3cyclictest362409-1kworker/2:1H19:55:002
571997994943,3cyclictest362409-1kworker/2:1H19:55:002
571992994946,2cyclictest0-21swapper/123:06:481
571992994934,14cyclictest597088-21kworker/1:220:45:011
571988994944,3cyclictest7-1kworker/0:0H23:38:460
571999994846,1cyclictest2698727-21kworker/3:100:14:553
571999994845,2cyclictest2698727-21kworker/3:119:29:553
571997994842,3cyclictest362409-1kworker/2:1H19:15:162
57199299480,2cyclictest379-21systemd-journal22:00:001
571988994845,2cyclictest7-1kworker/0:0H21:16:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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