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2026-06-02 - 22:07
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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 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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