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2026-01-10 - 02:11
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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 100 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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