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2026-06-02 - 20:04
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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 Tue Jun 02, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
214972203168,23sleep20-21swapper/207:08:412
215492202168,22sleep30-21swapper/307:09:223
215162202170,21sleep10-21swapper/107:08:561
215202201168,22sleep00-21swapper/007:08:590
21900997224,5cyclictest33-21ksoftirqd/211:55:002
21900997031,11cyclictest33-21ksoftirqd/210:25:202
21900997024,4cyclictest33-21ksoftirqd/208:45:002
21900996931,9cyclictest33-21ksoftirqd/211:50:002
21900996829,4cyclictest33-21ksoftirqd/210:55:182
21900996829,4cyclictest33-21ksoftirqd/210:55:182
21900996527,9cyclictest33-21ksoftirqd/209:15:262
2189899640,3cyclictest121rcu_preempt07:55:000
21900996223,5cyclictest33-21ksoftirqd/211:19:592
21900996221,5cyclictest33-21ksoftirqd/210:50:202
21900996219,9cyclictest33-21ksoftirqd/207:50:142
21900996125,4cyclictest33-21ksoftirqd/211:25:012
21900996125,16cyclictest33-21ksoftirqd/210:45:172
21900996123,4cyclictest33-21ksoftirqd/209:05:012
138432610,3sleep30-21swapper/308:00:163
21900996014,9cyclictest33-21ksoftirqd/207:25:252
21899996024,7cyclictest25-21ksoftirqd/111:45:151
21899996024,7cyclictest25-21ksoftirqd/107:45:171
21899996024,7cyclictest25-21ksoftirqd/107:45:171
21899996021,8cyclictest25-21ksoftirqd/111:25:291
179612600,2sleep00-21swapper/008:10:000
99262590,4sleep32190199cyclictest10:05:243
21900995929,5cyclictest33-21ksoftirqd/210:00:142
21900995921,10cyclictest33-21ksoftirqd/211:05:162
21900995920,4cyclictest33-21ksoftirqd/207:35:142
21899995922,8cyclictest25-21ksoftirqd/108:05:151
185432590,3sleep118546-21fschecks_count08:10:131
21900995826,4cyclictest33-21ksoftirqd/209:45:132
21900995818,11cyclictest33-21ksoftirqd/208:59:212
21899995822,9cyclictest25-21ksoftirqd/110:25:171
139391580,1ptp4l401ktimersoftd/309:05:093
21900995730,7cyclictest33-21ksoftirqd/207:45:162
21900995730,7cyclictest33-21ksoftirqd/207:45:162
21900995720,5cyclictest33-21ksoftirqd/212:05:242
21900995719,9cyclictest33-21ksoftirqd/208:35:222
21899995726,6cyclictest25-21ksoftirqd/108:55:201
21899995722,8cyclictest25-21ksoftirqd/107:35:221
21898995725,7cyclictest9-21ksoftirqd/011:35:250
21900995623,9cyclictest33-21ksoftirqd/210:10:252
21900995621,10cyclictest33-21ksoftirqd/208:45:162
21900995620,5cyclictest33-21ksoftirqd/209:25:172
21900995618,5cyclictest33-21ksoftirqd/209:45:002
21900995614,5cyclictest33-21ksoftirqd/209:50:112
21900995612,9cyclictest33-21ksoftirqd/211:55:252
21899995626,9cyclictest25-21ksoftirqd/108:50:201
21899995621,4cyclictest25-21ksoftirqd/111:10:241
21899995619,8cyclictest25-21ksoftirqd/107:40:251
21900995526,4cyclictest33-21ksoftirqd/211:35:272
21900995522,9cyclictest33-21ksoftirqd/209:20:242
21900995518,5cyclictest33-21ksoftirqd/207:15:162
21900995517,7cyclictest33-21ksoftirqd/212:38:242
21900995512,10cyclictest33-21ksoftirqd/212:25:122
21899995521,6cyclictest25-21ksoftirqd/111:44:011
139391550,1ptp4l401ktimersoftd/309:35:243
21900995424,4cyclictest33-21ksoftirqd/208:30:012
21900995423,9cyclictest33-21ksoftirqd/207:10:212
21900995421,9cyclictest33-21ksoftirqd/211:10:132
21900995417,8cyclictest33-21ksoftirqd/211:34:502
21900995417,5cyclictest33-21ksoftirqd/208:05:152
21900995417,4cyclictest33-21ksoftirqd/209:55:132
21900995417,4cyclictest33-21ksoftirqd/209:55:122
21900995414,11cyclictest33-21ksoftirqd/209:08:442
21899995424,4cyclictest25-21ksoftirqd/107:30:171
21899995423,5cyclictest25-21ksoftirqd/109:15:221
21899995421,9cyclictest25-21ksoftirqd/112:05:131
21900995322,4cyclictest33-21ksoftirqd/211:00:152
21900995320,11cyclictest33-21ksoftirqd/212:20:202
21900995314,11cyclictest33-21ksoftirqd/208:19:302
21900995314,11cyclictest33-21ksoftirqd/208:19:302
2189999538,3cyclictest25-21ksoftirqd/111:25:001
2189999532,6cyclictest241ktimersoftd/110:15:001
21899995317,7cyclictest25-21ksoftirqd/107:21:501
21898995321,6cyclictest9-21ksoftirqd/011:05:240
21898995315,7cyclictest9-21ksoftirqd/008:40:010
21900995233,11cyclictest33-21ksoftirqd/212:20:002
21900995218,12cyclictest33-21ksoftirqd/208:21:422
21900995218,12cyclictest33-21ksoftirqd/208:21:422
21900995217,5cyclictest33-21ksoftirqd/210:35:152
21900995212,11cyclictest33-21ksoftirqd/207:56:192
21899995220,7cyclictest25-21ksoftirqd/111:37:351
21898995232,8cyclictest9-21ksoftirqd/009:30:000
139391520,1ptp4l401ktimersoftd/307:15:243
21900995123,4cyclictest33-21ksoftirqd/212:10:192
21900995115,11cyclictest33-21ksoftirqd/211:30:012
2189999514,9cyclictest0-21swapper/108:40:141
21899995122,8cyclictest25-21ksoftirqd/107:54:521
21899995122,4cyclictest25-21ksoftirqd/109:00:221
21899995122,4cyclictest25-21ksoftirqd/108:25:261
21899995120,7cyclictest25-21ksoftirqd/111:02:461
21898995118,5cyclictest9-21ksoftirqd/010:50:000
21900995029,11cyclictest33-21ksoftirqd/210:15:222
21900995023,13cyclictest33-21ksoftirqd/210:40:192
21900995022,4cyclictest33-21ksoftirqd/207:30:142
21900995013,10cyclictest33-21ksoftirqd/208:55:002
2189999506,8cyclictest25-21ksoftirqd/112:24:591
2189999505,4cyclictest25-21ksoftirqd/112:35:271
2189999504,6cyclictest25-21ksoftirqd/109:40:011
21899995046,3cyclictest231rcuc/110:50:491
21899995022,9cyclictest25-21ksoftirqd/110:07:061
21899995022,8cyclictest25-21ksoftirqd/109:30:251
21899995022,8cyclictest25-21ksoftirqd/107:10:551
21899995020,7cyclictest25-21ksoftirqd/111:53:081
21899995020,7cyclictest25-21ksoftirqd/110:41:401
21899995017,7cyclictest25-21ksoftirqd/107:26:511
21898995030,4cyclictest9-21ksoftirqd/012:10:160
21898995018,3cyclictest9-21ksoftirqd/011:00:230
21898995016,7cyclictest9-21ksoftirqd/009:50:130
21900994932,7cyclictest33-21ksoftirqd/209:35:022
2189999495,8cyclictest25-21ksoftirqd/107:20:001
2189999495,4cyclictest25-21ksoftirqd/110:15:191
2189999493,8cyclictest25-21ksoftirqd/111:05:221
2189999493,3cyclictest121rcu_preempt10:30:201
2189999491,9cyclictest25-21ksoftirqd/110:00:251
21899994918,9cyclictest25-21ksoftirqd/109:23:521
2189999491,6cyclictest25-21ksoftirqd/108:35:271
2189999490,7cyclictest241ktimersoftd/112:30:301
21898994921,7cyclictest9-21ksoftirqd/009:55:120
21898994921,7cyclictest9-21ksoftirqd/009:55:120
21898994921,7cyclictest9-21ksoftirqd/008:15:150
21898994921,7cyclictest9-21ksoftirqd/008:15:150
26352480,2sleep00-21swapper/008:45:140
21900994819,9cyclictest33-21ksoftirqd/207:20:232
21900994817,4cyclictest33-21ksoftirqd/208:35:012
2189999486,4cyclictest25-21ksoftirqd/111:15:141
2189999485,9cyclictest25-21ksoftirqd/111:30:111
2189999483,2cyclictest121rcu_preempt08:35:011
21899994829,9cyclictest25-21ksoftirqd/109:55:001
2189999480,7cyclictest241ktimersoftd/109:45:011
21898994830,6cyclictest9-21ksoftirqd/010:30:120
21898994821,7cyclictest9-21ksoftirqd/008:50:140
21900994716,9cyclictest33-21ksoftirqd/210:06:252
2189999475,6cyclictest25-21ksoftirqd/108:20:241
2189999475,6cyclictest25-21ksoftirqd/108:20:241
2189999475,4cyclictest25-21ksoftirqd/110:35:251
2189999472,8cyclictest25-21ksoftirqd/112:15:241
21899994720,4cyclictest25-21ksoftirqd/108:16:141
21899994720,4cyclictest25-21ksoftirqd/108:16:131
21899994720,3cyclictest25-21ksoftirqd/111:58:211
21898994723,7cyclictest9-21ksoftirqd/007:20:140
21898994721,6cyclictest9-21ksoftirqd/012:15:220
21898994716,4cyclictest9-21ksoftirqd/011:15:260
21898994715,9cyclictest9-21ksoftirqd/008:35:010
21898994715,6cyclictest9-21ksoftirqd/007:40:150
2190199461,5cyclictest41-21ksoftirqd/311:15:283
21901994613,8cyclictest41-21ksoftirqd/312:25:243
2189999465,9cyclictest10453-1kworker/1:2H09:09:591
2189999464,7cyclictest25-21ksoftirqd/108:00:181
2189999462,6cyclictest25-21ksoftirqd/108:45:151
2189999462,5cyclictest25-21ksoftirqd/110:00:011
2189999462,5cyclictest25-21ksoftirqd/110:00:011
2189999461,5cyclictest25-21ksoftirqd/110:45:171
21898994626,6cyclictest9-21ksoftirqd/011:14:590
21898994616,8cyclictest9-21ksoftirqd/009:40:150
21898994614,7cyclictest9-21ksoftirqd/010:20:140
21898994614,7cyclictest9-21ksoftirqd/010:00:170
21898994613,7cyclictest9-21ksoftirqd/007:45:130
21898994613,7cyclictest9-21ksoftirqd/007:45:130
21900994539,3cyclictest33-21ksoftirqd/212:34:592
2190099450,2cyclictest33-21ksoftirqd/210:30:172
2189999454,7cyclictest25-21ksoftirqd/112:10:261
2189999453,9cyclictest25-21ksoftirqd/110:55:191
2189999453,9cyclictest25-21ksoftirqd/110:55:191
2189999453,8cyclictest25-21ksoftirqd/112:25:241
2189999452,9cyclictest25-21ksoftirqd/109:45:171
2189999450,7cyclictest241ktimersoftd/109:10:271
2189999450,5cyclictest241ktimersoftd/109:25:181
21898994515,6cyclictest9-21ksoftirqd/010:40:260
21898994514,4cyclictest9-21ksoftirqd/012:25:010
21898994512,8cyclictest9-21ksoftirqd/007:10:210
21898994512,3cyclictest9-21ksoftirqd/009:15:200
21901994421,8cyclictest41-21ksoftirqd/308:40:143
21900994425,9cyclictest33-21ksoftirqd/212:00:142
21900994424,9cyclictest33-21ksoftirqd/210:20:232
21900994424,9cyclictest33-21ksoftirqd/209:30:182
21900994420,3cyclictest33-21ksoftirqd/209:10:192
21900994418,18cyclictest33-21ksoftirqd/208:10:112
2189999445,3cyclictest25-21ksoftirqd/112:00:121
2189999443,2cyclictest121rcu_preempt10:20:151
2189899449,4cyclictest9-21ksoftirqd/010:05:260
2189899445,2cyclictest9-21ksoftirqd/010:55:180
2189899445,2cyclictest9-21ksoftirqd/010:55:180
21898994429,4cyclictest9-21ksoftirqd/007:55:140
21898994415,6cyclictest9-21ksoftirqd/009:05:200
21898994413,7cyclictest9-21ksoftirqd/008:55:140
2190199437,6cyclictest41-21ksoftirqd/309:05:013
21900994325,5cyclictest33-21ksoftirqd/207:40:252
2189999430,6cyclictest25-21ksoftirqd/107:55:221
2189899439,4cyclictest9-21ksoftirqd/011:30:160
21898994328,6cyclictest9-21ksoftirqd/009:10:190
21898994328,5cyclictest9-21ksoftirqd/007:35:160
21898994317,4cyclictest9-21ksoftirqd/012:00:010
21898994314,6cyclictest9-21ksoftirqd/009:00:190
21898994313,7cyclictest9-21ksoftirqd/012:25:110
21898994313,4cyclictest9-21ksoftirqd/008:25:170
21898994312,4cyclictest9-21ksoftirqd/009:30:240
139391430,0ptp4l401ktimersoftd/311:00:243
139391430,0ptp4l401ktimersoftd/309:25:143
2190199424,9cyclictest41-21ksoftirqd/311:54:593
21900994222,5cyclictest33-21ksoftirqd/211:45:002
2189899428,4cyclictest9-21ksoftirqd/012:05:010
2189899425,7cyclictest9-21ksoftirqd/011:50:170
21898994216,5cyclictest9-21ksoftirqd/008:00:160
21898994213,7cyclictest9-21ksoftirqd/012:30:160
139391420,0ptp4l401ktimersoftd/308:33:193
2190199417,4cyclictest41-21ksoftirqd/309:55:193
2190199417,4cyclictest41-21ksoftirqd/309:55:193
2190199416,8cyclictest41-21ksoftirqd/307:40:203
2190199411,3cyclictest18344-21df10:25:143
2189899419,3cyclictest9-21ksoftirqd/007:30:210
2189899418,4cyclictest9-21ksoftirqd/010:55:000
2189899415,7cyclictest9-21ksoftirqd/010:10:230
21898994137,2cyclictest9-21ksoftirqd/009:40:010
21898994126,6cyclictest9-21ksoftirqd/007:15:130
2190199400,2cyclictest0-21swapper/307:50:273
21900994010,5cyclictest33-21ksoftirqd/208:00:132
2189899405,4cyclictest9-21ksoftirqd/009:25:000
2189899404,3cyclictest121rcu_preempt08:25:000
2189899404,3cyclictest121rcu_preempt08:25:000
21898994024,4cyclictest9-21ksoftirqd/011:40:140
21898994013,3cyclictest9-21ksoftirqd/008:10:140
2189899401,2cyclictest121rcu_preempt10:40:010
57898390,5rtkit-daemon0-21swapper/011:27:530
2190199398,7cyclictest41-21ksoftirqd/307:10:263
2190199397,8cyclictest41-21ksoftirqd/307:30:163
2190199396,3cyclictest18063-21latency_hist08:10:003
2190199391,3cyclictest121rcu_preempt11:15:003
21898993911,9cyclictest9-21ksoftirqd/008:40:260
139391390,0ptp4l401ktimersoftd/312:17:493
2190199387,3cyclictest12006-21grep11:20:143
2190199385,6cyclictest41-21ksoftirqd/310:48:283
21901993834,2cyclictest41-21ksoftirqd/312:14:593
21901993828,9cyclictest41-21ksoftirqd/307:45:123
21901993828,9cyclictest41-21ksoftirqd/307:45:123
2190199382,3cyclictest41-21ksoftirqd/310:15:003
21901993819,9cyclictest41-21ksoftirqd/312:20:153
21901993810,9cyclictest41-21ksoftirqd/309:30:273
2190199380,7cyclictest41-21ksoftirqd/310:20:273
21898993821,8cyclictest9-21ksoftirqd/011:45:200
2189899381,2cyclictest121rcu_preempt10:30:010
2190199375,3cyclictest41-21ksoftirqd/308:15:213
2190199375,3cyclictest41-21ksoftirqd/308:15:213
21901993733,2cyclictest41-21ksoftirqd/308:25:003
21901993733,2cyclictest41-21ksoftirqd/308:25:003
2190199371,4cyclictest0-21swapper/310:55:153
2190199371,4cyclictest0-21swapper/310:55:153
2190199371,10cyclictest0-21swapper/309:20:123
2189899371,3cyclictest121rcu_preempt10:15:140
2189899370,2cyclictest121rcu_preempt09:45:150
139391370,0ptp4l401ktimersoftd/308:57:503
2190199365,3cyclictest41-21ksoftirqd/308:53:003
2190199364,4cyclictest41-21ksoftirqd/311:44:593
21901993631,3cyclictest41-21ksoftirqd/310:35:003
21901993630,4cyclictest41-21ksoftirqd/310:35:403
2190199361,2cyclictest0-21swapper/310:03:313
2190199360,2cyclictest121rcu_preempt07:55:173
2189899360,2cyclictest121rcu_preempt07:25:160
2190199356,3cyclictest41-21ksoftirqd/309:40:133
2190199354,3cyclictest41-21ksoftirqd/307:25:263
2190199353,3cyclictest41-21ksoftirqd/309:10:223
21901993530,4cyclictest41-21ksoftirqd/312:30:213
21901993530,3cyclictest41-21ksoftirqd/312:05:003
21901993530,3cyclictest41-21ksoftirqd/308:25:203
21901993529,4cyclictest41-21ksoftirqd/308:40:013
21901993529,4cyclictest41-21ksoftirqd/308:15:003
2190199352,5cyclictest121rcu_preempt09:50:193
2190199351,9cyclictest14855-21irqrtprio11:25:183
21901993519,4cyclictest41-21ksoftirqd/311:45:153
2190199351,2cyclictest0-21swapper/311:30:133
2190199350,8cyclictest121rcu_preempt12:05:133
21898993518,4cyclictest9-21ksoftirqd/012:40:000
2190199343,7cyclictest121rcu_preempt11:35:263
21901993430,3cyclictest41-21ksoftirqd/310:45:003
21901993430,2cyclictest41-21ksoftirqd/307:40:003
21901993429,3cyclictest41-21ksoftirqd/310:50:153
21901993428,4cyclictest41-21ksoftirqd/312:37:013
21901993428,3cyclictest41-21ksoftirqd/312:00:003
2190199342,3cyclictest41-21ksoftirqd/309:45:133
21901993416,9cyclictest41-21ksoftirqd/308:45:193
2190199340,4cyclictest17077-21tr09:15:143
21898993428,3cyclictest9-21ksoftirqd/011:20:160
2189899340,2cyclictest121rcu_preempt12:10:010
2190199333,3cyclictest26896-21cstates07:20:133
2190199331,12cyclictest0-21swapper/310:15:143
2190199330,4cyclictest4887-21grep11:05:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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