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2026-05-21 - 05:46
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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 highest latencies:
System rackeslot3.osadl.org (updated Thu May 21, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
821827997137,32cyclictest1021209-21kworker/1:300:20:131
821827996941,26cyclictest2096899-1kworker/1:2H20:35:141
821827996562,2cyclictest0-21swapper/122:23:441
821827996561,2cyclictest1026790-21fschecks_time00:10:131
821827996541,22cyclictest908034-21kworker/1:022:05:131
821827996461,2cyclictest0-21swapper/122:43:431
821827996360,1cyclictest0-21swapper/122:45:151
82182799630,60cyclictest874394-21fschecks_count21:25:121
82182799630,2cyclictest0-21swapper/121:00:221
821827996258,2cyclictest0-21swapper/123:20:131
821827996145,15cyclictest835496-21kworker/1:320:05:151
821827996143,17cyclictest860623-21kworker/1:021:40:011
821827996142,17cyclictest1021209-21kworker/1:300:05:141
821827996132,28cyclictest903132-21kworker/1:322:00:141
821827996127,33cyclictest2096899-1kworker/1:2H23:40:041
821827996044,15cyclictest851820-21kworker/1:120:50:001
821827996044,15cyclictest851820-21kworker/1:120:50:001
821827996041,18cyclictest894381-21kworker/1:021:50:131
821827996041,17cyclictest920021-21kworker/1:322:25:161
821827996041,17cyclictest889575-21kworker/1:221:55:131
821829995947,10cyclictest3402818-1kworker/2:1H00:20:162
821827995952,5cyclictest0-21swapper/100:30:131
821827995943,15cyclictest987663-21kworker/1:123:30:141
821827995941,17cyclictest1009950-21kworker/1:000:00:021
821827995939,18cyclictest829922-21kworker/1:119:40:141
821827995937,20cyclictest2096899-1kworker/1:2H21:45:131
821827995935,22cyclictest2096899-1kworker/1:2H20:30:091
821827995843,14cyclictest839452-21kworker/1:020:10:021
821827995842,15cyclictest842532-21kworker/1:220:15:131
821827995842,15cyclictest824646-21kworker/1:319:20:191
821827995742,14cyclictest935594-21kworker/1:022:36:151
821827995740,16cyclictest848719-21kworker/1:220:45:131
821827995740,16cyclictest2096899-1kworker/1:2H20:05:001
821827995739,17cyclictest999977-21kworker/1:123:50:131
821827995739,16cyclictest845638-21kworker/1:020:25:131
821827995738,17cyclictest999977-21kworker/1:123:45:111
821827995729,27cyclictest2096899-1kworker/1:2H23:00:131
821827995641,14cyclictest958019-21kworker/1:123:10:561
821827995641,14cyclictest1047009-21kworker/1:100:35:171
821827995640,15cyclictest860623-21kworker/1:021:20:021
821827995640,15cyclictest855372-21kworker/1:220:55:141
821827995640,15cyclictest829922-21kworker/1:119:40:001
821827995640,15cyclictest824646-21kworker/1:319:25:211
821827995640,15cyclictest1021209-21kworker/1:300:20:001
821827995639,15cyclictest2096899-1kworker/1:2H21:15:351
82182799560,2cyclictest0-21swapper/122:33:411
821829995550,3cyclictest3402818-1kworker/2:1H22:34:402
821827995540,14cyclictest860623-21kworker/1:021:40:161
821827995539,15cyclictest842532-21kworker/1:220:20:321
821827995539,15cyclictest1014838-21kworker/1:200:00:151
821827995539,14cyclictest2096899-1kworker/1:2H19:45:131
821827995538,16cyclictest809132-21kworker/1:119:15:121
821827995538,16cyclictest809132-21kworker/1:119:10:001
821827995530,24cyclictest835496-21kworker/1:319:55:151
821826995549,3cyclictest1167012-1kworker/0:0H22:00:140
821827995438,15cyclictest958019-21kworker/1:123:15:571
821827995436,16cyclictest982769-21kworker/1:223:35:011
821827995418,35cyclictest0-21swapper/122:10:451
821826995450,2cyclictest903928-21kworker/0:222:08:160
821829995349,3cyclictest1038621-21kworker/2:000:40:012
821829995348,3cyclictest907061-21kworker/2:022:15:132
821829995336,3cyclictest3402818-1kworker/2:1H23:16:392
821827995338,14cyclictest855372-21kworker/1:221:05:141
821827995338,14cyclictest1042129-21kworker/1:000:26:161
821827995337,15cyclictest848719-21kworker/1:220:40:321
821827995337,15cyclictest824646-21kworker/1:319:30:021
821827995336,16cyclictest920021-21kworker/1:322:15:141
821827995336,16cyclictest834568-21kworker/1:019:50:111
821827995333,17cyclictest982769-21kworker/1:223:25:011
821826995349,2cyclictest870469-21kworker/0:021:52:150
821826995348,3cyclictest844072-21kworker/0:220:32:420
821830995248,2cyclictest856440-21kworker/3:022:10:523
821829995248,2cyclictest886384-21kworker/2:021:40:312
821829995248,2cyclictest3402818-1kworker/2:1H00:30:492
821829995247,3cyclictest891400-21kworker/2:221:54:392
821829995247,3cyclictest3402818-1kworker/2:1H19:21:502
821827995236,15cyclictest958019-21kworker/1:123:05:011
821827995236,15cyclictest950483-21kworker/1:022:55:141
82182799521,49cyclictest0-21swapper/121:11:031
821826995248,2cyclictest1167012-1kworker/0:0H19:23:160
821830995147,2cyclictest856440-21kworker/3:022:39:563
821829995146,3cyclictest952230-21kworker/2:022:55:012
821829995146,3cyclictest3402818-1kworker/2:1H22:45:132
821829995146,3cyclictest3402818-1kworker/2:1H20:46:162
821827995135,15cyclictest940435-21kworker/1:222:50:011
821827995115,35cyclictest879739-21switchtime21:30:241
821826995147,2cyclictest831463-21kworker/0:220:10:070
821830995046,2cyclictest833087-21kworker/3:120:31:153
821830995044,4cyclictest3655225-1kworker/3:2H21:05:153
821829995047,2cyclictest1038621-21kworker/2:000:28:322
821829995045,3cyclictest871757-21kworker/2:221:35:222
821829995045,3cyclictest839505-21kworker/2:020:10:192
821829995043,4cyclictest842528-21kworker/2:221:15:142
821830994946,2cyclictest856440-21kworker/3:021:34:213
821830994944,3cyclictest3655225-1kworker/3:2H23:05:143
821829994946,2cyclictest871757-21kworker/2:221:34:142
821829994945,2cyclictest1018936-21kworker/2:100:03:212
821829994943,4cyclictest3402818-1kworker/2:1H20:40:092
821826994946,2cyclictest856437-21kworker/0:221:11:400
821826994946,2cyclictest848716-21kworker/0:120:55:440
821826994946,2cyclictest848716-21kworker/0:120:35:260
821826994946,2cyclictest1009571-21kworker/0:023:59:060
821826994945,2cyclictest1014474-21kworker/0:200:05:300
821826994944,3cyclictest1167012-1kworker/0:0H22:40:140
821830994838,8cyclictest3655225-1kworker/3:2H20:40:213
821829994843,3cyclictest952230-21kworker/2:023:35:302
821826994845,2cyclictest831463-21kworker/0:220:03:420
821826994844,2cyclictest972724-21kworker/0:123:35:000
821826994843,3cyclictest1167012-1kworker/0:0H20:20:140
821826994843,3cyclictest1167012-1kworker/0:0H20:15:130
821826994842,5cyclictest1167012-1kworker/0:0H22:58:150
821830994742,3cyclictest3655225-1kworker/3:2H20:49:153
821830994739,6cyclictest3655225-1kworker/3:2H19:30:003
821830994737,8cyclictest3655225-1kworker/3:2H23:25:003
821829994744,2cyclictest927231-21kworker/2:122:27:522
821829994743,3cyclictest3402818-1kworker/2:1H20:54:452
821829994743,3cyclictest3402818-1kworker/2:1H20:54:452
821829994741,4cyclictest1013973-21kworker/2:023:57:162
821826994744,2cyclictest977602-21kworker/0:023:21:040
821826994744,2cyclictest848716-21kworker/0:120:49:390
821826994744,2cyclictest825295-21kworker/0:119:36:450
821826994744,2cyclictest1038320-21kworker/0:000:24:430
821830994643,2cyclictest856440-21kworker/3:021:18:443
821830994643,2cyclictest3655225-1kworker/3:2H19:38:153
821830994642,3cyclictest3655225-1kworker/3:2H23:01:013
821830994642,3cyclictest3655225-1kworker/3:2H21:00:163
821830994641,3cyclictest856440-21kworker/3:021:20:383
821830994641,3cyclictest833087-21kworker/3:120:00:413
821830994632,13cyclictest3655225-1kworker/3:2H23:19:503
821829994641,3cyclictest952230-21kworker/2:023:23:502
821829994641,3cyclictest842528-21kworker/2:220:19:592
821829994641,3cyclictest3402818-1kworker/2:1H21:12:392
821826994643,2cyclictest831463-21kworker/0:220:05:050
821826994642,3cyclictest972724-21kworker/0:123:12:150
821826994642,3cyclictest1167012-1kworker/0:0H23:49:150
821826994641,3cyclictest1167012-1kworker/0:0H00:35:000
821826994637,4cyclictest938244-21kworker/0:323:05:320
821830994542,2cyclictest970390-21kworker/3:223:26:483
821830994542,2cyclictest3655225-1kworker/3:2H00:38:463
821830994541,3cyclictest947450-21kworker/3:122:46:123
821830994541,2cyclictest3655225-1kworker/3:2H19:40:153
821830994541,2cyclictest3655225-1kworker/3:2H19:15:133
821829994529,4cyclictest3402818-1kworker/2:1H22:40:142
821826994542,2cyclictest998361-21kworker/0:023:43:150
821826994542,2cyclictest870469-21kworker/0:021:43:140
821826994541,2cyclictest870469-21kworker/0:021:35:590
821830994441,2cyclictest3655225-1kworker/3:2H22:26:213
821830994441,2cyclictest1002673-21kworker/3:023:53:113
821830994440,2cyclictest970390-21kworker/3:223:39:543
821830994440,2cyclictest821724-21kworker/3:019:34:563
821830994439,3cyclictest3655225-1kworker/3:2H00:10:123
821830994438,3cyclictest856440-21kworker/3:022:04:553
821829994441,2cyclictest3402818-1kworker/2:1H23:00:052
821829994440,3cyclictest3402818-1kworker/2:1H21:25:312
821829994440,3cyclictest3402818-1kworker/2:1H19:50:482
821829994440,2cyclictest907061-21kworker/2:022:21:142
821829994440,2cyclictest842528-21kworker/2:220:55:202
821829994439,3cyclictest3402818-1kworker/2:1H19:14:142
821826994441,2cyclictest848716-21kworker/0:121:01:140
821826994441,2cyclictest828393-21kworker/0:019:32:060
821826994441,2cyclictest1167012-1kworker/0:0H23:01:140
821830994340,2cyclictest821724-21kworker/3:019:10:363
821830994340,2cyclictest1002673-21kworker/3:023:58:413
821830994339,2cyclictest3655225-1kworker/3:2H21:35:523
821830994337,3cyclictest3655225-1kworker/3:2H23:10:133
821830994337,3cyclictest3655225-1kworker/3:2H00:15:143
821829994339,2cyclictest3402818-1kworker/2:1H21:55:432
821829994338,3cyclictest891400-21kworker/2:221:47:212
821829994338,3cyclictest3402818-1kworker/2:1H23:25:322
821829994337,4cyclictest3402818-1kworker/2:1H19:46:142
821826994340,2cyclictest899038-21kworker/0:121:58:420
821826994339,3cyclictest1167012-1kworker/0:0H23:51:400
821826994338,3cyclictest1167012-1kworker/0:0H19:45:140
821830994239,2cyclictest833087-21kworker/3:120:15:313
821830994239,2cyclictest3655225-1kworker/3:2H19:51:143
821830994237,4cyclictest856440-21kworker/3:022:40:313
821829994239,2cyclictest3402818-1kworker/2:1H22:03:412
821829994239,2cyclictest1002472-21kworker/2:123:50:262
821829994238,2cyclictest952230-21kworker/2:023:10:192
821829994238,2cyclictest3402818-1kworker/2:1H20:34:452
821829994237,3cyclictest3402818-1kworker/2:1H20:06:152
821829994237,3cyclictest3402818-1kworker/2:1H20:04:142
821829994237,3cyclictest1018936-21kworker/2:100:15:202
821829994236,4cyclictest3402818-1kworker/2:1H19:25:132
821826994239,2cyclictest918710-21kworker/0:022:20:290
821826994239,2cyclictest856437-21kworker/0:221:15:420
821826994238,3cyclictest1167012-1kworker/0:0H22:32:450
821826994237,3cyclictest1167012-1kworker/0:0H23:25:240
821826994237,3cyclictest1167012-1kworker/0:0H20:40:200
821826994237,3cyclictest1167012-1kworker/0:0H20:25:130
821830994136,3cyclictest3655225-1kworker/3:2H22:15:453
821830994130,9cyclictest3655225-1kworker/3:2H21:55:003
821829994137,2cyclictest3402818-1kworker/2:1H20:00:012
821829994136,3cyclictest952230-21kworker/2:022:59:192
821829994136,3cyclictest3402818-1kworker/2:1H20:27:152
821829994136,3cyclictest3402818-1kworker/2:1H19:19:142
821826994138,2cyclictest913854-21kworker/0:122:36:570
821826994136,3cyclictest870469-21kworker/0:021:47:130
821826994136,3cyclictest1167012-1kworker/0:0H23:36:020
821830994037,2cyclictest856440-21kworker/3:021:48:453
821830994036,2cyclictest970390-21kworker/3:223:34:203
821830994035,3cyclictest833087-21kworker/3:120:21:163
821830994035,3cyclictest3655225-1kworker/3:2H00:10:013
821830994029,8cyclictest3655225-1kworker/3:2H20:10:013
821830994025,13cyclictest3655225-1kworker/3:2H21:10:103
821829994037,2cyclictest952230-21kworker/2:023:31:152
821829994037,2cyclictest3402818-1kworker/2:1H21:03:402
821826994037,2cyclictest918710-21kworker/0:022:14:400
821826994037,2cyclictest856437-21kworker/0:221:21:130
821826994037,2cyclictest823238-21kworker/0:219:19:140
821826994036,3cyclictest1167012-1kworker/0:0H00:16:150
821826994036,2cyclictest1167012-1kworker/0:0H19:15:000
821830993934,3cyclictest3655225-1kworker/3:2H19:57:463
821830993934,3cyclictest1002673-21kworker/3:000:34:563
821829993935,3cyclictest871757-21kworker/2:221:24:452
821829993935,2cyclictest952230-21kworker/2:023:06:012
821829993934,3cyclictest3402818-1kworker/2:1H23:44:402
82182799391,36cyclictest0-21swapper/119:10:011
821826993937,1cyclictest1038320-21kworker/0:000:26:220
821826993936,2cyclictest972724-21kworker/0:123:15:050
821826993935,3cyclictest856437-21kworker/0:221:05:310
821826993934,3cyclictest1167012-1kworker/0:0H21:30:050
821826993932,4cyclictest1167012-1kworker/0:0H20:00:000
821830993834,2cyclictest3655225-1kworker/3:2H00:27:143
821829993835,2cyclictest927231-21kworker/2:122:35:182
821829993835,2cyclictest3402818-1kworker/2:1H23:45:162
821829993833,3cyclictest3402818-1kworker/2:1H20:23:412
821826993835,2cyclictest1021214-21kworker/0:300:13:420
821826993834,3cyclictest1167012-1kworker/0:0H22:26:140
821826993833,3cyclictest1167012-1kworker/0:0H19:45:000
821826993833,3cyclictest1167012-1kworker/0:0H00:40:010
821830993734,2cyclictest3655225-1kworker/3:2H20:27:453
821830993733,3cyclictest856440-21kworker/3:021:29:553
821830993732,3cyclictest3655225-1kworker/3:2H22:50:213
821830993732,3cyclictest3655225-1kworker/3:2H21:44:553
821830993730,4cyclictest3655225-1kworker/3:2H23:40:133
821826993735,1cyclictest938244-21kworker/0:322:48:450
821830993630,3cyclictest3655225-1kworker/3:2H22:55:123
82183099360,2cyclictest0-21swapper/322:30:303
821829993633,2cyclictest3402818-1kworker/2:1H21:08:412
821829993632,2cyclictest0-21swapper/222:10:512
821829993631,3cyclictest907061-21kworker/2:022:07:452
821829993630,4cyclictest3402818-1kworker/2:1H20:35:212
821826993630,3cyclictest1167012-1kworker/0:0H21:25:120
821830993531,3cyclictest1002673-21kworker/3:000:23:463
821830993531,3cyclictest1002673-21kworker/3:000:04:543
821830993531,2cyclictest3655225-1kworker/3:2H23:45:153
821830993531,2cyclictest3655225-1kworker/3:2H20:50:473
821830993531,2cyclictest3655225-1kworker/3:2H20:50:473
821830993530,3cyclictest3655225-1kworker/3:2H20:35:353
821826993530,3cyclictest1167012-1kworker/0:0H22:53:440
821830993431,2cyclictest833087-21kworker/3:119:46:453
821830993430,3cyclictest3655225-1kworker/3:2H19:20:113
821830993429,3cyclictest3655225-1kworker/3:2H20:10:323
82183099340,4cyclictest903713-21ssh21:56:363
821829993431,2cyclictest3402818-1kworker/2:1H00:10:202
821826993429,3cyclictest1167012-1kworker/0:0H19:50:200
821830993328,3cyclictest3655225-1kworker/3:2H20:59:563
82183099330,2cyclictest910924-21ssh22:05:053
821829993329,3cyclictest3402818-1kworker/2:1H19:35:492
821829993227,3cyclictest1018936-21kworker/2:100:07:162
82183099310,28cyclictest925926-21ssh22:20:183
821829993125,4cyclictest821672-21kworker/2:119:32:132
821826993128,2cyclictest848716-21kworker/0:120:52:460
821826993128,2cyclictest848716-21kworker/0:120:52:450
821826993127,2cyclictest825295-21kworker/0:119:27:460
821826993026,2cyclictest1167012-1kworker/0:0H00:02:210
821826992623,2cyclictest918710-21kworker/0:022:15:110
821829992421,2cyclictest821672-21kworker/2:119:40:052
82182699162,2cyclictest0-21swapper/019:10:000
82183099117,2cyclictest821692-21latency_hist19:10:003
8218299971,4cyclictest821833-21latency_hist19:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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