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2026-04-19 - 23:22
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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
Characteristics of the highest latencies:
System rackdslot3.osadl.org (updated Sun Apr 19, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491207173,23phc2sys0-21swapper/307:07:473
103862204129,41sleep20-21swapper/207:05:102
103802204171,22sleep10-21swapper/107:05:041
123052202168,23sleep00-21swapper/007:07:250
1819021410,7sleep01280699cyclictest07:20:170
2242221330,3sleep31280999cyclictest09:45:003
139391900,1ptp4l6220-21ls10:15:263
139391850,1ptp4l391rcuc/309:50:253
1394918464,10phc2sys0-21swapper/307:10:003
263322630,2sleep10-21swapper/112:05:231
232322610,7sleep11280799cyclictest12:00:181
139391580,1ptp4l391rcuc/309:55:163
139391550,1ptp4l391rcuc/309:30:253
217472540,3sleep00-21swapper/008:35:170
119652510,2sleep20-21swapper/209:20:242
139391440,0ptp4l401ktimersoftd/308:29:293
12807994422,3cyclictest25-21ksoftirqd/110:10:011
139391430,0ptp4l401ktimersoftd/311:25:303
12807994313,4cyclictest25-21ksoftirqd/108:25:001
57898420,1rtkit-daemon0-21swapper/009:24:520
139391420,0ptp4l401ktimersoftd/307:54:063
12807994213,4cyclictest25-21ksoftirqd/109:45:221
1394914134,3phc2sys41-21ksoftirqd/310:25:003
12807994112,4cyclictest25-21ksoftirqd/108:30:161
57898400,4rtkit-daemon6631-21sh08:04:590
139391400,0ptp4l401ktimersoftd/310:35:273
139391400,0ptp4l401ktimersoftd/310:35:263
1280799405,2cyclictest121rcu_preempt08:45:251
12807994036,2cyclictest25-21ksoftirqd/111:00:001
12807994036,2cyclictest25-21ksoftirqd/109:20:001
12807994035,3cyclictest25-21ksoftirqd/110:45:001
12807994015,6cyclictest25-21ksoftirqd/107:10:231
1280799394,4cyclictest25-21ksoftirqd/109:25:261
12807993934,3cyclictest25-21ksoftirqd/111:45:221
12807993933,3cyclictest25-21ksoftirqd/111:50:131
12807993911,7cyclictest25-21ksoftirqd/107:50:191
12808993827,9cyclictest33-21ksoftirqd/212:20:002
1280799387,6cyclictest25-21ksoftirqd/110:50:231
12807993834,2cyclictest25-21ksoftirqd/109:30:281
12807993833,3cyclictest25-21ksoftirqd/112:15:001
12807993832,3cyclictest25-21ksoftirqd/111:20:211
12807993831,4cyclictest25-21ksoftirqd/107:21:591
1280799381,5cyclictest25-21ksoftirqd/107:45:271
12807993811,10cyclictest25-21ksoftirqd/112:40:011
12807993810,7cyclictest25-21ksoftirqd/110:25:141
1280999378,27cyclictest19152-21kworker/3:108:36:133
12809993731,4cyclictest41-21ksoftirqd/311:21:293
12809993731,4cyclictest41-21ksoftirqd/311:02:523
12808993730,5cyclictest33-21ksoftirqd/208:54:412
1280799379,3cyclictest25-21ksoftirqd/109:10:251
1280799377,3cyclictest25-21ksoftirqd/112:20:241
1280799377,3cyclictest25-21ksoftirqd/110:20:131
1280799377,3cyclictest25-21ksoftirqd/108:25:191
1280799377,2cyclictest25-21ksoftirqd/109:55:211
1280799375,2cyclictest25-21ksoftirqd/110:30:251
1280799375,2cyclictest121rcu_preempt12:15:191
1280799375,2cyclictest121rcu_preempt09:35:241
1280799374,2cyclictest121rcu_preempt10:35:261
1280799374,2cyclictest121rcu_preempt10:35:251
12807993733,3cyclictest25-21ksoftirqd/108:55:221
12807993733,3cyclictest25-21ksoftirqd/108:55:211
12807993732,3cyclictest25-21ksoftirqd/112:30:141
12807993732,3cyclictest25-21ksoftirqd/111:05:171
12807993731,3cyclictest25-21ksoftirqd/111:00:021
12807993731,3cyclictest25-21ksoftirqd/108:44:591
1280799371,4cyclictest25-21ksoftirqd/110:10:261
12809993630,4cyclictest41-21ksoftirqd/308:42:103
12809993630,3cyclictest641-21grep12:20:193
12809993629,4cyclictest41-21ksoftirqd/311:54:263
12808993631,3cyclictest33-21ksoftirqd/210:25:002
12808993629,4cyclictest6627-21cron08:04:592
1280799366,4cyclictest25-21ksoftirqd/111:11:221
12807993633,2cyclictest25-21ksoftirqd/109:05:231
12807993632,3cyclictest25-21ksoftirqd/110:45:271
12807993630,4cyclictest25-21ksoftirqd/111:18:421
12807993630,4cyclictest25-21ksoftirqd/110:01:321
12807993630,3cyclictest25-21ksoftirqd/110:20:001
12807993630,3cyclictest25-21ksoftirqd/107:25:131
12807993627,3cyclictest25-21ksoftirqd/108:05:181
1280799362,4cyclictest25-21ksoftirqd/111:30:141
57898350,6rtkit-daemon0-21swapper/010:30:540
12809993529,4cyclictest41-21ksoftirqd/312:07:303
12809993529,4cyclictest41-21ksoftirqd/311:56:513
12809993529,4cyclictest41-21ksoftirqd/307:49:283
12808993529,4cyclictest33-21ksoftirqd/210:45:502
12808993529,4cyclictest33-21ksoftirqd/210:34:262
1280799357,4cyclictest25-21ksoftirqd/111:25:201
1280799354,2cyclictest121rcu_preempt09:20:111
1280799354,2cyclictest121rcu_preempt07:30:141
12807993530,3cyclictest25-21ksoftirqd/111:55:251
12807993530,3cyclictest25-21ksoftirqd/109:55:001
12807993530,3cyclictest25-21ksoftirqd/108:10:131
12807993529,4cyclictest25-21ksoftirqd/108:01:011
12807993529,3cyclictest25-21ksoftirqd/108:35:271
12807993518,4cyclictest25-21ksoftirqd/107:45:001
1280799350,5cyclictest25-21ksoftirqd/107:35:141
1280799350,4cyclictest25-21ksoftirqd/107:55:021
12806993529,4cyclictest9-21ksoftirqd/010:39:490
12806993529,4cyclictest9-21ksoftirqd/010:39:490
12809993429,3cyclictest41-21ksoftirqd/307:15:503
12809993428,4cyclictest41-21ksoftirqd/312:27:273
12809993428,4cyclictest41-21ksoftirqd/308:54:423
12809993428,4cyclictest41-21ksoftirqd/307:41:053
12809993415,18cyclictest8813-21kworker/3:212:30:133
12808993430,3cyclictest33-21ksoftirqd/210:04:492
12808993429,3cyclictest33-21ksoftirqd/211:03:512
12808993428,4cyclictest33-21ksoftirqd/211:53:002
12808993428,4cyclictest33-21ksoftirqd/211:11:122
12808993428,4cyclictest33-21ksoftirqd/209:52:592
12808993428,4cyclictest33-21ksoftirqd/209:16:202
12808993428,4cyclictest33-21ksoftirqd/207:50:302
12808993427,4cyclictest33-21ksoftirqd/210:35:122
12808993427,4cyclictest33-21ksoftirqd/210:35:122
12808993426,5cyclictest33-21ksoftirqd/209:42:412
1280799347,3cyclictest25-21ksoftirqd/111:40:261
1280799344,7cyclictest25-21ksoftirqd/108:55:001
12807993430,2cyclictest25-21ksoftirqd/109:40:131
12807993429,3cyclictest25-21ksoftirqd/108:19:591
12807993428,4cyclictest25-21ksoftirqd/111:38:191
1280799342,4cyclictest25-21ksoftirqd/112:25:281
12806993429,3cyclictest9-21ksoftirqd/012:20:110
12806993428,4cyclictest9-21ksoftirqd/012:11:040
12806993428,4cyclictest9-21ksoftirqd/011:15:440
57898330,1rtkit-daemon0-21swapper/011:44:380
12809993328,3cyclictest41-21ksoftirqd/310:50:473
12809993328,3cyclictest41-21ksoftirqd/308:32:333
12809993327,4cyclictest41-21ksoftirqd/311:11:253
12809993327,4cyclictest41-21ksoftirqd/310:58:503
12809993327,4cyclictest41-21ksoftirqd/310:26:083
12809993327,4cyclictest41-21ksoftirqd/309:48:383
12809993327,4cyclictest41-21ksoftirqd/309:39:353
12809993327,4cyclictest41-21ksoftirqd/309:02:243
12809993327,4cyclictest41-21ksoftirqd/307:57:303
12808993328,3cyclictest33-21ksoftirqd/212:07:292
12808993327,4cyclictest33-21ksoftirqd/212:39:302
12808993327,4cyclictest33-21ksoftirqd/211:45:122
12808993327,4cyclictest33-21ksoftirqd/210:57:082
12808993327,4cyclictest33-21ksoftirqd/209:56:232
12808993327,4cyclictest33-21ksoftirqd/209:11:152
12808993327,4cyclictest33-21ksoftirqd/209:03:192
12808993327,4cyclictest33-21ksoftirqd/208:10:092
12808993327,4cyclictest33-21ksoftirqd/207:27:282
12808993327,3cyclictest33-21ksoftirqd/207:40:012
12807993328,3cyclictest25-21ksoftirqd/107:15:231
12807993327,3cyclictest25-21ksoftirqd/109:00:191
12806993329,3cyclictest9-21ksoftirqd/010:41:520
12806993328,3cyclictest9-21ksoftirqd/010:10:000
12806993328,3cyclictest9-21ksoftirqd/008:41:000
12806993327,4cyclictest9-21ksoftirqd/011:59:200
12806993327,4cyclictest9-21ksoftirqd/011:21:090
12806993327,4cyclictest9-21ksoftirqd/010:51:330
12806993327,4cyclictest9-21ksoftirqd/009:04:380
12809993228,3cyclictest41-21ksoftirqd/308:05:143
12809993227,3cyclictest41-21ksoftirqd/312:38:443
12809993227,3cyclictest41-21ksoftirqd/312:12:433
12809993227,3cyclictest41-21ksoftirqd/310:34:013
12809993227,3cyclictest41-21ksoftirqd/307:31:233
12809993226,4cyclictest41-21ksoftirqd/311:07:523
12809993226,4cyclictest41-21ksoftirqd/308:03:003
12808993227,3cyclictest33-21ksoftirqd/208:56:522
12808993227,3cyclictest33-21ksoftirqd/208:56:522
12808993227,3cyclictest33-21ksoftirqd/208:20:112
12808993226,4cyclictest33-21ksoftirqd/209:26:102
12808993226,4cyclictest33-21ksoftirqd/208:18:402
12808993226,4cyclictest33-21ksoftirqd/207:22:102
12808993225,5cyclictest33-21ksoftirqd/207:14:292
12806993227,3cyclictest9-21ksoftirqd/011:27:070
12806993227,3cyclictest9-21ksoftirqd/009:39:000
12806993226,4cyclictest9-21ksoftirqd/010:23:080
12806993226,4cyclictest9-21ksoftirqd/010:13:180
12806993226,4cyclictest9-21ksoftirqd/009:26:040
12806993226,4cyclictest9-21ksoftirqd/008:12:560
12806993226,4cyclictest9-21ksoftirqd/007:11:260
12809993126,3cyclictest41-21ksoftirqd/308:55:363
12809993126,3cyclictest41-21ksoftirqd/308:55:363
12809993126,3cyclictest41-21ksoftirqd/308:17:143
12809993125,4cyclictest41-21ksoftirqd/312:01:083
12809993125,4cyclictest41-21ksoftirqd/311:16:513
12809993125,4cyclictest41-21ksoftirqd/310:43:053
12809993125,4cyclictest41-21ksoftirqd/309:28:293
12809993125,4cyclictest41-21ksoftirqd/309:23:063
12809993113,16cyclictest15302-21/usr/sbin/munin11:45:223
1280999310,4cyclictest26456-21seq07:35:283
12808993126,3cyclictest33-21ksoftirqd/211:05:332
12808993125,4cyclictest33-21ksoftirqd/211:34:232
12808993125,4cyclictest33-21ksoftirqd/210:07:462
12806993125,4cyclictest9-21ksoftirqd/011:53:590
12806993125,4cyclictest9-21ksoftirqd/010:01:060
12806993125,4cyclictest9-21ksoftirqd/008:27:110
12806993125,4cyclictest9-21ksoftirqd/008:20:020
1280999309,18cyclictest3245-21grep09:05:133
1280999307,21cyclictest18370-21sed07:20:183
12809993025,3cyclictest41-21ksoftirqd/311:32:333
12809993025,3cyclictest41-21ksoftirqd/309:10:023
12809993024,4cyclictest41-21ksoftirqd/312:16:403
12809993024,4cyclictest41-21ksoftirqd/310:11:043
12809993024,4cyclictest41-21ksoftirqd/310:02:433
12809993024,4cyclictest41-21ksoftirqd/308:21:253
12808993025,3cyclictest33-21ksoftirqd/211:27:302
12808993025,3cyclictest33-21ksoftirqd/209:35:102
12808993025,3cyclictest33-21ksoftirqd/207:33:542
12808993024,4cyclictest33-21ksoftirqd/210:53:272
12808993023,5cyclictest33-21ksoftirqd/208:46:402
12806993025,3cyclictest9-21ksoftirqd/010:45:240
12806993025,3cyclictest9-21ksoftirqd/007:32:030
12806993024,4cyclictest9-21ksoftirqd/012:25:120
12806993024,4cyclictest9-21ksoftirqd/012:00:110
12806993024,4cyclictest9-21ksoftirqd/011:04:120
12806993024,4cyclictest9-21ksoftirqd/010:26:580
12806993024,4cyclictest9-21ksoftirqd/009:52:250
12806993024,4cyclictest9-21ksoftirqd/009:06:380
12806993024,4cyclictest9-21ksoftirqd/008:48:380
12806993024,4cyclictest9-21ksoftirqd/008:19:460
12806993024,4cyclictest9-21ksoftirqd/007:27:300
1280999290,4cyclictest13051-21cat11:40:133
12808992924,3cyclictest33-21ksoftirqd/210:17:502
12808992924,3cyclictest33-21ksoftirqd/210:13:092
12808992923,4cyclictest33-21ksoftirqd/211:15:502
12808992923,4cyclictest33-21ksoftirqd/209:47:372
12808992923,4cyclictest33-21ksoftirqd/207:57:482
12808992923,4cyclictest33-21ksoftirqd/207:49:392
12806992924,3cyclictest9-21ksoftirqd/012:15:130
12806992924,3cyclictest9-21ksoftirqd/011:12:590
12806992924,3cyclictest9-21ksoftirqd/009:47:150
12806992924,3cyclictest9-21ksoftirqd/007:37:580
12806992923,4cyclictest9-21ksoftirqd/012:36:470
12806992923,4cyclictest9-21ksoftirqd/009:59:380
12806992923,4cyclictest9-21ksoftirqd/008:59:160
12806992923,4cyclictest9-21ksoftirqd/008:59:160
12806992923,4cyclictest9-21ksoftirqd/008:51:430
12806992923,4cyclictest9-21ksoftirqd/007:50:450
12806992922,4cyclictest9-21ksoftirqd/009:43:330
12809992823,3cyclictest41-21ksoftirqd/310:47:363
12809992823,3cyclictest41-21ksoftirqd/309:17:113
12809992821,5cyclictest41-21ksoftirqd/310:06:073
1280999281,24cyclictest26017-21cpuspeed_turbos08:45:153
12808992823,3cyclictest33-21ksoftirqd/208:26:372
12808992823,3cyclictest33-21ksoftirqd/207:18:082
12808992822,4cyclictest33-21ksoftirqd/212:23:172
12806992823,3cyclictest9-21ksoftirqd/007:40:260
12806992822,4cyclictest9-21ksoftirqd/011:48:050
12806992822,4cyclictest9-21ksoftirqd/010:59:590
12806992822,4cyclictest9-21ksoftirqd/009:12:570
12806992822,3cyclictest9-21ksoftirqd/011:05:140
1280999279,16cyclictest11348-21irqrtprio11:35:193
1280999278,17cyclictest20174-21ls07:25:123
12809992722,3cyclictest41-21ksoftirqd/308:10:103
1280899279,3cyclictest24163-21irqrtprio08:40:172
12808992722,3cyclictest33-21ksoftirqd/211:40:112
12808992722,3cyclictest33-21ksoftirqd/210:40:202
12808992721,4cyclictest33-21ksoftirqd/211:22:242
12808992721,4cyclictest33-21ksoftirqd/210:27:442
12806992722,3cyclictest9-21ksoftirqd/010:18:040
12806992722,3cyclictest9-21ksoftirqd/007:57:420
12808992622,3cyclictest33-21ksoftirqd/212:00:232
12808992621,3cyclictest33-21ksoftirqd/211:37:402
12808992621,3cyclictest33-21ksoftirqd/209:05:522
12808992621,3cyclictest33-21ksoftirqd/208:35:052
12808992620,4cyclictest33-21ksoftirqd/212:30:152
12806992621,3cyclictest9-21ksoftirqd/011:35:120
12806992621,3cyclictest9-21ksoftirqd/008:32:180
12808992520,3cyclictest33-21ksoftirqd/212:29:142
12808992520,3cyclictest33-21ksoftirqd/212:13:282
12808992520,3cyclictest33-21ksoftirqd/208:33:202
12806992521,2cyclictest30228-21cut07:45:190
12806992520,3cyclictest9-21ksoftirqd/012:30:280
12806992520,3cyclictest9-21ksoftirqd/008:05:190
12808992421,2cyclictest33-21ksoftirqd/208:05:172
12806992419,3cyclictest9-21ksoftirqd/012:07:090
12806992419,3cyclictest9-21ksoftirqd/011:34:000
12806992418,4cyclictest9-21ksoftirqd/009:18:550
12806992418,3cyclictest9-21ksoftirqd/007:17:390
12808992319,3cyclictest33-21ksoftirqd/207:40:182
12808992318,3cyclictest33-21ksoftirqd/209:31:182
12806992320,2cyclictest9-21ksoftirqd/009:35:000
12808992015,3cyclictest33-21ksoftirqd/211:57:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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