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2026-06-19 - 12:05
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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 Fri Jun 19, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3980184996763,2cyclictest0-21swapper/123:06:161
3980184996763,2cyclictest0-21swapper/123:06:151
3980184996742,22cyclictest4124959-21kworker/1:123:30:131
3980184996460,2cyclictest4032640-21switchtime21:25:201
398018499630,2cyclictest0-21swapper/122:10:001
398018499630,1cyclictest0-21swapper/119:55:301
3980184996243,17cyclictest4186036-21kworker/1:200:25:161
398018499620,61cyclictest0-21swapper/119:22:151
398018499620,60cyclictest0-21swapper/121:03:221
3980184996140,19cyclictest1435208-1kworker/1:1H00:35:001
3980184996042,17cyclictest3983656-21kworker/1:119:45:011
3980184996039,20cyclictest4158308-21kworker/1:200:02:411
3980184995944,14cyclictest4124959-21kworker/1:123:25:141
3980184995944,14cyclictest3996496-21kworker/1:020:05:141
3980184995942,16cyclictest4075389-21kworker/1:022:48:471
3980184995942,16cyclictest4044124-21kworker/1:321:40:101
3980184995940,17cyclictest4054364-21kworker/1:121:55:141
398018499591,56cyclictest4130792-21fschecks_count23:20:141
3980184995844,14cyclictest4012568-21kworker/1:320:50:231
3980184995843,15cyclictest4002682-21kworker/1:020:21:211
3980184995843,14cyclictest4149300-21kworker/1:023:47:311
3980184995843,14cyclictest4102161-21kworker/1:122:50:171
3980184995843,14cyclictest4011941-21kworker/1:120:57:051
3980184995843,14cyclictest4002682-21kworker/1:020:42:111
3980184995843,14cyclictest1435208-1kworker/1:1H00:17:061
3980184995842,15cyclictest3980034-21kworker/1:219:15:131
3980184995841,16cyclictest4124959-21kworker/1:123:40:151
3980184995841,16cyclictest4083727-21kworker/1:322:27:181
3980184995841,16cyclictest4002682-21kworker/1:020:45:141
3980184995839,18cyclictest4028751-21kworker/1:221:40:001
3980184995753,2cyclictest0-21swapper/120:12:321
3980184995743,14cyclictest4083727-21kworker/1:322:32:451
3980184995742,14cyclictest4124959-21kworker/1:123:16:171
3980184995742,14cyclictest4124959-21kworker/1:123:16:171
3980184995742,14cyclictest3996496-21kworker/1:020:01:451
3980184995741,15cyclictest4115817-21kworker/1:023:10:151
3980184995741,15cyclictest4115817-21kworker/1:023:10:141
3980184995741,15cyclictest4093164-21kworker/1:122:40:131
3980184995740,16cyclictest4002682-21kworker/1:020:35:171
3980184995739,17cyclictest1435208-1kworker/1:1H21:16:081
3980184995737,18cyclictest4167669-21kworker/1:100:10:131
3980184995642,14cyclictest4167669-21kworker/1:100:05:271
3980184995642,14cyclictest4044124-21kworker/1:321:50:111
3980184995642,14cyclictest4018187-21kworker/1:321:10:131
3980184995641,14cyclictest4075389-21kworker/1:022:35:021
3980184995641,14cyclictest4075389-21kworker/1:022:20:151
3980184995641,14cyclictest4022931-21kworker/1:021:24:461
3980184995641,14cyclictest3988439-21kworker/1:019:39:201
3980184995640,15cyclictest4158308-21kworker/1:223:59:191
3980184995640,15cyclictest4140352-21kworker/1:023:35:161
3980184995639,16cyclictest4111308-21kworker/1:123:00:131
3980184995637,18cyclictest4054364-21kworker/1:122:00:131
3980184995635,19cyclictest4002682-21kworker/1:020:25:141
3980183995651,3cyclictest1114851-1kworker/0:0H23:09:160
3980183995651,3cyclictest1114851-1kworker/0:0H23:09:150
3980184995540,14cyclictest4192330-21kworker/1:100:35:311
3980184995540,14cyclictest4011941-21kworker/1:121:05:151
3980184995538,16cyclictest1435208-1kworker/1:1H19:40:111
398018499550,2cyclictest3987416-21fschecks_time19:30:141
3980187995449,3cyclictest3697951-1kworker/2:0H21:27:442
3980184995451,2cyclictest0-21swapper/120:33:151
3980184995439,14cyclictest4106722-21kworker/1:222:55:141
3980184995439,14cyclictest4044124-21kworker/1:321:45:011
3980184995439,14cyclictest3980034-21kworker/1:219:12:151
3980184995439,14cyclictest1435208-1kworker/1:1H20:15:131
3980184995437,16cyclictest4067985-21kworker/1:122:10:151
3980187995348,3cyclictest3993426-21kworker/2:220:11:162
3980187995347,3cyclictest3697951-1kworker/2:0H21:50:012
3980184995339,14cyclictest4063511-21kworker/1:222:15:131
3980184995338,14cyclictest4181412-21kworker/1:100:20:151
3980183995349,3cyclictest1114851-1kworker/0:0H23:57:470
3980187995249,2cyclictest4015016-21kworker/2:020:58:212
3980187995248,2cyclictest4018115-21kworker/2:121:23:152
3980187995247,3cyclictest3697951-1kworker/2:0H22:50:252
3980187995247,3cyclictest3697951-1kworker/2:0H22:01:402
3980187995246,4cyclictest4124035-21kworker/2:223:20:262
3980187995246,4cyclictest3697951-1kworker/2:0H23:58:172
3980184995237,14cyclictest3983656-21kworker/1:119:50:121
3980187995146,3cyclictest3980039-21kworker/2:319:15:072
3980187995145,5cyclictest3697951-1kworker/2:0H23:10:222
3980187995145,5cyclictest3697951-1kworker/2:0H23:10:212
3980184995136,14cyclictest4153730-21kworker/1:123:50:021
3980184995136,14cyclictest4037744-21kworker/1:021:32:191
3980189995046,3cyclictest1346134-1kworker/3:1H23:29:553
3980189995045,3cyclictest1346134-1kworker/3:1H23:15:003
3980189995045,3cyclictest1346134-1kworker/3:1H23:15:003
3980187995047,2cyclictest4008858-21kworker/2:020:43:152
3980183995046,2cyclictest1114851-1kworker/0:0H22:45:130
3980189994944,3cyclictest1346134-1kworker/3:1H19:29:553
3980189994943,3cyclictest1346134-1kworker/3:1H20:30:133
3980189994943,3cyclictest1346134-1kworker/3:1H19:11:523
3980187994946,2cyclictest4015016-21kworker/2:021:10:472
3980187994944,3cyclictest4183864-21kworker/2:100:30:472
3980187994944,3cyclictest4038814-21kworker/2:321:55:062
3980187994944,3cyclictest3697951-1kworker/2:0H23:30:132
3980187994944,3cyclictest3697951-1kworker/2:0H20:25:112
3980183994945,3cyclictest1114851-1kworker/0:0H21:27:500
3980189994844,3cyclictest1346134-1kworker/3:1H00:15:423
3980189994843,3cyclictest1346134-1kworker/3:1H21:16:163
3980187994845,2cyclictest4124035-21kworker/2:200:07:332
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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