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2026-01-09 - 18:38
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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 376 highest latencies:
System rackdslot3.osadl.org (updated Fri Jan 09, 2026 12:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
103832203170,22sleep20-21swapper/207:09:522
100892198165,22sleep30-21swapper/307:06:083
103212197163,23sleep00-21swapper/007:09:020
103822196163,22sleep10-21swapper/107:09:511
2436621550,5sleep31069099cyclictest12:05:253
2812221480,4sleep21068999cyclictest10:00:172
2000821390,4sleep11068899cyclictest08:35:191
3207921190,3sleep11068899cyclictest12:22:451
10690996526,5cyclictest41-21ksoftirqd/311:15:143
10690996526,5cyclictest41-21ksoftirqd/311:15:143
130522640,5sleep10-21swapper/108:20:221
10689996131,22cyclictest33-21ksoftirqd/208:59:592
301372590,3sleep00-21swapper/012:20:100
10690995623,7cyclictest41-21ksoftirqd/307:15:263
10690995621,7cyclictest41-21ksoftirqd/310:55:263
10690995424,7cyclictest41-21ksoftirqd/311:40:193
10690995424,7cyclictest41-21ksoftirqd/310:25:263
10690995328,9cyclictest41-21ksoftirqd/309:30:283
10690995317,4cyclictest41-21ksoftirqd/308:10:013
10690995315,10cyclictest41-21ksoftirqd/308:19:593
1039625337,9sleep20-21swapper/207:09:592
1069099529,4cyclictest41-21ksoftirqd/308:24:163
1068799520,3cyclictest121rcu_preempt08:00:000
10690995121,3cyclictest41-21ksoftirqd/308:10:173
10690995120,7cyclictest41-21ksoftirqd/308:30:003
10690995115,10cyclictest41-21ksoftirqd/307:25:003
10690995021,6cyclictest41-21ksoftirqd/312:35:243
10690995020,7cyclictest41-21ksoftirqd/307:40:183
10690995019,4cyclictest41-21ksoftirqd/311:20:133
10690995019,4cyclictest41-21ksoftirqd/310:30:213
10690995016,4cyclictest41-21ksoftirqd/309:10:143
1069099497,4cyclictest41-21ksoftirqd/309:59:313
1069099497,4cyclictest41-21ksoftirqd/307:30:283
1069099496,4cyclictest41-21ksoftirqd/309:40:393
10690994924,4cyclictest41-21ksoftirqd/311:25:193
10690994922,4cyclictest41-21ksoftirqd/307:35:253
10690994921,8cyclictest41-21ksoftirqd/308:00:013
10690994918,4cyclictest41-21ksoftirqd/310:50:193
10690994917,4cyclictest41-21ksoftirqd/310:24:423
1068899492,5cyclictest25-21ksoftirqd/110:10:181
1068899492,5cyclictest25-21ksoftirqd/110:10:181
1069099487,4cyclictest41-21ksoftirqd/308:49:403
1069099486,4cyclictest41-21ksoftirqd/311:34:073
10690994819,3cyclictest41-21ksoftirqd/308:45:003
10690994818,7cyclictest41-21ksoftirqd/311:10:143
10690994818,7cyclictest41-21ksoftirqd/311:08:063
10690994816,4cyclictest41-21ksoftirqd/308:30:243
1068899484,3cyclictest121rcu_preempt07:15:261
1069099477,4cyclictest41-21ksoftirqd/308:54:143
1069099476,4cyclictest41-21ksoftirqd/311:00:293
1069099476,4cyclictest41-21ksoftirqd/310:48:053
1069099476,4cyclictest41-21ksoftirqd/309:52:373
1069099475,4cyclictest41-21ksoftirqd/309:22:543
10690994717,3cyclictest41-21ksoftirqd/310:05:383
1069099468,4cyclictest41-21ksoftirqd/307:10:213
1069099464,4cyclictest41-21ksoftirqd/312:14:143
10690994621,8cyclictest41-21ksoftirqd/310:40:003
10690994616,4cyclictest41-21ksoftirqd/311:50:193
10689994629,5cyclictest33-21ksoftirqd/210:00:002
10689994629,5cyclictest33-21ksoftirqd/207:35:002
10689994623,15cyclictest33-21ksoftirqd/212:25:142
1069099458,5cyclictest41-21ksoftirqd/311:47:113
1069099455,4cyclictest41-21ksoftirqd/312:28:233
1069099455,4cyclictest41-21ksoftirqd/307:27:033
10690994517,7cyclictest41-21ksoftirqd/312:35:003
10690994517,7cyclictest41-21ksoftirqd/312:35:003
10690994515,4cyclictest41-21ksoftirqd/307:55:013
10690994513,4cyclictest41-21ksoftirqd/309:45:123
10689994526,9cyclictest33-21ksoftirqd/209:40:002
10690994415,7cyclictest41-21ksoftirqd/312:20:233
10690994411,4cyclictest41-21ksoftirqd/310:40:233
10689994425,11cyclictest33-21ksoftirqd/212:15:222
1068799446,3cyclictest9-21ksoftirqd/009:52:160
10690994328,4cyclictest41-21ksoftirqd/309:00:153
10690994235,3cyclictest41-21ksoftirqd/312:00:003
1069099421,8cyclictest41-21ksoftirqd/309:36:103
10690994218,6cyclictest41-21ksoftirqd/309:15:103
10690994212,9cyclictest41-21ksoftirqd/311:35:183
10689994237,3cyclictest33-21ksoftirqd/212:40:012
10689994228,4cyclictest33-21ksoftirqd/212:00:182
10689994222,10cyclictest33-21ksoftirqd/209:10:242
10688994234,5cyclictest25-21ksoftirqd/107:45:001
1069099419,7cyclictest41-21ksoftirqd/309:05:183
10690994127,11cyclictest41-21ksoftirqd/310:00:213
10690994111,7cyclictest41-21ksoftirqd/310:10:143
10690994111,7cyclictest41-21ksoftirqd/310:10:133
10690994110,10cyclictest41-21ksoftirqd/308:00:013
1069099410,3cyclictest41-21ksoftirqd/308:55:243
10689994124,9cyclictest33-21ksoftirqd/209:00:182
1068899414,3cyclictest121rcu_preempt11:55:261
10687994136,3cyclictest9-21ksoftirqd/011:45:010
10690994034,3cyclictest41-21ksoftirqd/308:40:003
1069099401,2cyclictest121rcu_preempt12:15:263
10690993934,3cyclictest41-21ksoftirqd/310:20:013
10689993928,8cyclictest33-21ksoftirqd/211:20:122
10689993927,9cyclictest33-21ksoftirqd/210:05:312
10689993923,5cyclictest33-21ksoftirqd/209:45:182
1068899397,3cyclictest121rcu_preempt12:25:261
1068899395,3cyclictest121rcu_preempt10:20:011
1068899394,3cyclictest121rcu_preempt07:38:531
10688993934,3cyclictest25-21ksoftirqd/110:35:011
10688993922,4cyclictest25-21ksoftirqd/109:00:001
10687993934,3cyclictest9-21ksoftirqd/012:00:010
10690993833,3cyclictest35892irq/126-enp1s0-09:27:313
1069099382,3cyclictest121rcu_preempt07:45:133
10689993833,2cyclictest33-21ksoftirqd/208:10:012
10689993827,9cyclictest33-21ksoftirqd/211:25:132
10689993815,15cyclictest33-21ksoftirqd/209:50:262
1068899385,3cyclictest121rcu_preempt08:10:011
10688993827,4cyclictest25-21ksoftirqd/108:19:591
1068799386,3cyclictest9-21ksoftirqd/010:00:000
10687993832,4cyclictest9-21ksoftirqd/008:02:160
10687993832,3cyclictest9-21ksoftirqd/007:19:590
10687993811,5cyclictest9-21ksoftirqd/012:35:250
10690993732,3cyclictest41-21ksoftirqd/312:00:173
10689993732,3cyclictest33-21ksoftirqd/208:50:112
10689993732,3cyclictest33-21ksoftirqd/208:00:002
10689993731,4cyclictest33-21ksoftirqd/208:41:412
10689993726,9cyclictest33-21ksoftirqd/210:35:262
10689993714,9cyclictest33-21ksoftirqd/212:10:182
1068899375,3cyclictest25-21ksoftirqd/108:00:211
1068899374,6cyclictest25-21ksoftirqd/107:50:141
10688993732,3cyclictest25-21ksoftirqd/112:20:001
10688993730,5cyclictest25-21ksoftirqd/111:19:181
10688993730,5cyclictest25-21ksoftirqd/111:19:181
1068899371,9cyclictest25-21ksoftirqd/111:04:031
1068799377,5cyclictest9-21ksoftirqd/010:25:000
10687993733,2cyclictest9-21ksoftirqd/010:20:000
10687993732,3cyclictest9-21ksoftirqd/012:19:590
10687993724,3cyclictest9-21ksoftirqd/009:00:000
57898360,2rtkit-daemon0-21swapper/210:30:152
10689993632,3cyclictest33-21ksoftirqd/210:45:192
10689993631,3cyclictest33-21ksoftirqd/209:44:592
10689993631,3cyclictest24913-21cron12:09:592
10689993625,10cyclictest33-21ksoftirqd/207:45:172
10689993617,3cyclictest33-21ksoftirqd/208:30:162
10689993617,13cyclictest33-21ksoftirqd/209:30:272
1068999361,5cyclictest33-21ksoftirqd/210:15:012
1068999361,5cyclictest33-21ksoftirqd/210:15:002
1068899367,3cyclictest25-21ksoftirqd/107:20:221
1068899365,3cyclictest25-21ksoftirqd/109:30:241
1068899365,3cyclictest121rcu_preempt07:50:011
1068899364,3cyclictest25-21ksoftirqd/110:40:151
10688993632,2cyclictest25-21ksoftirqd/109:55:001
10688993631,3cyclictest25-21ksoftirqd/111:50:171
10688993631,3cyclictest25-21ksoftirqd/109:35:111
10688993630,4cyclictest25-21ksoftirqd/109:57:421
1068899362,3cyclictest25-21ksoftirqd/108:25:201
10687993633,2cyclictest9-21ksoftirqd/009:40:000
10687993633,2cyclictest9-21ksoftirqd/009:15:010
10687993619,9cyclictest9-21ksoftirqd/012:28:220
10687993619,7cyclictest9-21ksoftirqd/009:40:190
1068799361,5cyclictest0-21swapper/007:35:000
1068799361,3cyclictest121rcu_preempt09:00:180
1068799360,2cyclictest121rcu_preempt10:10:180
1068799360,2cyclictest121rcu_preempt10:10:180
10689993530,3cyclictest33-21ksoftirqd/211:17:522
10689993530,3cyclictest33-21ksoftirqd/211:17:522
10689993530,3cyclictest33-21ksoftirqd/211:12:512
10689993530,3cyclictest33-21ksoftirqd/209:29:312
10689993529,4cyclictest33-21ksoftirqd/208:24:252
10689993524,10cyclictest33-21ksoftirqd/211:00:232
1068899353,3cyclictest25-21ksoftirqd/111:40:221
10688993531,3cyclictest25-21ksoftirqd/111:35:111
10688993531,2cyclictest25-21ksoftirqd/111:10:231
10688993531,2cyclictest25-21ksoftirqd/109:10:201
10688993530,3cyclictest25-21ksoftirqd/111:20:141
10688993529,4cyclictest25-21ksoftirqd/108:14:411
10688993529,4cyclictest25-21ksoftirqd/107:12:431
10688993529,3cyclictest25-21ksoftirqd/108:45:121
10688993528,4cyclictest25-21ksoftirqd/110:35:241
1068899352,6cyclictest25-21ksoftirqd/109:25:241
1068899352,6cyclictest25-21ksoftirqd/109:15:171
1068899351,3cyclictest25-21ksoftirqd/108:30:251
1068899351,2cyclictest25-21ksoftirqd/107:25:281
1068799354,3cyclictest9-21ksoftirqd/007:46:180
1068799353,5cyclictest9-21ksoftirqd/012:05:130
10687993531,2cyclictest9-21ksoftirqd/011:40:000
10687993530,3cyclictest9-21ksoftirqd/012:00:100
10687993530,3cyclictest9-21ksoftirqd/008:44:590
10687993530,3cyclictest9-21ksoftirqd/008:25:200
10687993529,4cyclictest9-21ksoftirqd/009:06:030
1068799352,3cyclictest121rcu_preempt08:45:250
10687993519,6cyclictest9-21ksoftirqd/010:40:140
10687993517,7cyclictest9-21ksoftirqd/009:25:170
10689993428,4cyclictest33-21ksoftirqd/211:55:382
10689993419,5cyclictest33-21ksoftirqd/208:35:102
1068899345,3cyclictest121rcu_preempt10:45:231
1068899344,3cyclictest25-21ksoftirqd/110:05:251
1068899343,3cyclictest25-21ksoftirqd/111:05:171
10688993429,3cyclictest25-21ksoftirqd/112:10:001
10688993429,3cyclictest25-21ksoftirqd/110:25:191
10688993429,3cyclictest25-21ksoftirqd/109:00:131
10688993428,4cyclictest25-21ksoftirqd/112:02:141
10688993428,4cyclictest25-21ksoftirqd/107:31:321
10688993428,3cyclictest25-21ksoftirqd/108:40:181
1068899342,6cyclictest25-21ksoftirqd/111:25:141
1068899342,3cyclictest25-21ksoftirqd/111:45:231
1068899340,3cyclictest121rcu_preempt09:05:211
1068899340,3cyclictest121rcu_preempt07:55:241
10687993429,3cyclictest9-21ksoftirqd/008:20:130
10687993429,3cyclictest9-21ksoftirqd/008:20:000
10687993428,4cyclictest9-21ksoftirqd/011:46:290
10687993421,3cyclictest9-21ksoftirqd/011:25:160
10687993420,6cyclictest9-21ksoftirqd/008:15:010
10687993418,9cyclictest9-21ksoftirqd/011:25:000
1068799341,7cyclictest121rcu_preempt07:15:000
10687993417,7cyclictest9-21ksoftirqd/012:10:180
10687993417,7cyclictest9-21ksoftirqd/010:50:210
10687993416,7cyclictest9-21ksoftirqd/007:50:140
1068999333,5cyclictest121rcu_preempt10:20:132
10689993330,2cyclictest33-21ksoftirqd/211:44:182
10689993329,2cyclictest33-21ksoftirqd/208:50:002
10689993328,3cyclictest33-21ksoftirqd/211:55:012
10689993328,3cyclictest33-21ksoftirqd/211:50:012
10689993328,3cyclictest33-21ksoftirqd/210:51:202
10689993328,3cyclictest33-21ksoftirqd/210:27:392
10689993328,3cyclictest33-21ksoftirqd/208:10:132
10689993328,3cyclictest33-21ksoftirqd/208:00:172
10689993328,3cyclictest33-21ksoftirqd/207:15:262
10689993327,4cyclictest33-21ksoftirqd/209:06:092
10689993316,4cyclictest33-21ksoftirqd/207:25:002
10689993315,9cyclictest33-21ksoftirqd/210:20:002
10688993330,2cyclictest25-21ksoftirqd/110:55:151
10688993329,2cyclictest25-21ksoftirqd/112:40:001
10688993329,2cyclictest25-21ksoftirqd/109:50:001
10688993328,3cyclictest25-21ksoftirqd/112:30:141
10688993328,3cyclictest25-21ksoftirqd/112:30:141
10688993327,4cyclictest25-21ksoftirqd/108:52:361
1068899332,3cyclictest121rcu_preempt10:50:271
1068899331,3cyclictest25-21ksoftirqd/111:30:131
1068899331,3cyclictest121rcu_preempt12:10:181
1068899331,3cyclictest121rcu_preempt09:20:131
10687993329,3cyclictest9-21ksoftirqd/011:10:000
10687993329,2cyclictest9-21ksoftirqd/007:25:190
10687993328,3cyclictest9-21ksoftirqd/011:10:180
10687993328,3cyclictest9-21ksoftirqd/010:05:010
10687993327,4cyclictest9-21ksoftirqd/011:50:100
10687993327,4cyclictest9-21ksoftirqd/009:25:000
10687993327,4cyclictest9-21ksoftirqd/008:34:500
10687993319,5cyclictest9-21ksoftirqd/012:34:200
10687993319,5cyclictest9-21ksoftirqd/012:34:200
10687993319,3cyclictest9-21ksoftirqd/010:00:230
10687993318,6cyclictest9-21ksoftirqd/010:30:220
10687993317,6cyclictest9-21ksoftirqd/011:15:230
10687993317,6cyclictest9-21ksoftirqd/011:15:230
10687993316,7cyclictest9-21ksoftirqd/009:15:120
1068799331,5cyclictest0-21swapper/009:45:180
1068799331,2cyclictest121rcu_preempt08:40:000
1068799331,2cyclictest121rcu_preempt07:40:210
1068799330,6cyclictest22608-21apt-get07:35:110
1068799330,4cyclictest0-21swapper/011:35:000
10689993228,3cyclictest33-21ksoftirqd/211:05:142
10689993226,4cyclictest33-21ksoftirqd/212:20:232
10689993226,4cyclictest33-21ksoftirqd/211:37:452
10689993226,4cyclictest33-21ksoftirqd/211:33:392
10689993226,4cyclictest33-21ksoftirqd/210:40:082
10689993226,4cyclictest33-21ksoftirqd/207:54:112
10689993226,4cyclictest33-21ksoftirqd/207:26:362
10689993223,7cyclictest33-21ksoftirqd/207:35:102
10689993221,9cyclictest33-21ksoftirqd/208:25:202
10689993219,3cyclictest33-21ksoftirqd/208:20:002
1068999320,7cyclictest33-21ksoftirqd/207:40:182
10688993227,3cyclictest25-21ksoftirqd/110:00:231
10688993227,2cyclictest25-21ksoftirqd/110:20:121
1068899322,3cyclictest121rcu_preempt09:40:201
10687993228,2cyclictest9-21ksoftirqd/010:25:150
10687993227,3cyclictest9-21ksoftirqd/011:05:010
10687993227,3cyclictest9-21ksoftirqd/007:21:430
10687993226,4cyclictest9-21ksoftirqd/009:32:140
10687993226,4cyclictest9-21ksoftirqd/008:08:140
10687993217,4cyclictest9-21ksoftirqd/010:35:130
10687993216,7cyclictest9-21ksoftirqd/010:55:250
10687993216,6cyclictest9-21ksoftirqd/008:50:180
10689993128,2cyclictest33-21ksoftirqd/210:55:192
1068999310,3cyclictest121rcu_preempt09:15:122
10687993127,3cyclictest9-21ksoftirqd/010:45:130
10689992924,3cyclictest33-21ksoftirqd/209:23:162
10689992918,9cyclictest33-21ksoftirqd/212:30:272
10689992918,9cyclictest33-21ksoftirqd/212:30:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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