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2026-06-12 - 23:44
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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 Jun 12, 2026 12:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
57722204171,22sleep00-21swapper/007:06:170
57722204171,22sleep00-21swapper/007:06:170
57692204169,23sleep20-21swapper/207:06:152
57692204169,23sleep20-21swapper/207:06:152
59342203170,22sleep30-21swapper/307:08:213
59342203170,22sleep30-21swapper/307:08:213
57382203170,22sleep10-21swapper/107:05:501
57382203170,22sleep10-21swapper/107:05:501
139391780,1ptp4l391rcuc/311:20:133
6527997035,4cyclictest41-21ksoftirqd/311:55:003
6526996712,53cyclictest7563-21kworker/2:011:45:342
652699652,61cyclictest24915-21kworker/2:010:35:342
6527996424,7cyclictest41-21ksoftirqd/310:50:213
6524996427,7cyclictest25-21ksoftirqd/109:40:011
6524996427,7cyclictest25-21ksoftirqd/109:40:011
6527996324,11cyclictest41-21ksoftirqd/311:40:253
6527996322,7cyclictest41-21ksoftirqd/310:00:153
6527996320,4cyclictest41-21ksoftirqd/310:46:343
6527996228,8cyclictest41-21ksoftirqd/311:05:193
6527996226,7cyclictest41-21ksoftirqd/307:35:303
6527996226,7cyclictest41-21ksoftirqd/307:35:303
6527996225,4cyclictest41-21ksoftirqd/309:55:003
6527996224,6cyclictest41-21ksoftirqd/311:35:243
6527996222,4cyclictest41-21ksoftirqd/311:30:223
6527996221,3cyclictest41-21ksoftirqd/312:22:103
6524996225,4cyclictest25-21ksoftirqd/108:35:161
6524996225,4cyclictest25-21ksoftirqd/108:35:161
6527996131,7cyclictest41-21ksoftirqd/309:35:213
6527996131,7cyclictest41-21ksoftirqd/309:35:213
6527996131,10cyclictest41-21ksoftirqd/307:50:193
6527996130,4cyclictest41-21ksoftirqd/312:10:013
6527996128,7cyclictest41-21ksoftirqd/307:15:173
6527996127,10cyclictest41-21ksoftirqd/312:15:143
6527996125,8cyclictest41-21ksoftirqd/311:25:113
6524996129,7cyclictest25-21ksoftirqd/112:15:011
6527996030,9cyclictest41-21ksoftirqd/310:55:253
6527996029,3cyclictest41-21ksoftirqd/311:45:153
6527996028,10cyclictest41-21ksoftirqd/312:25:243
6527996023,9cyclictest41-21ksoftirqd/310:30:213
6527996021,7cyclictest41-21ksoftirqd/309:15:003
6527995922,6cyclictest41-21ksoftirqd/310:10:203
6527995922,6cyclictest41-21ksoftirqd/310:10:193
6527995921,6cyclictest41-21ksoftirqd/308:40:163
6527995919,4cyclictest41-21ksoftirqd/310:39:483
6524995931,7cyclictest25-21ksoftirqd/109:15:001
6527995829,7cyclictest41-21ksoftirqd/308:20:013
6527995828,9cyclictest41-21ksoftirqd/308:55:003
6527995826,9cyclictest41-21ksoftirqd/312:05:003
6527995825,4cyclictest41-21ksoftirqd/309:10:013
6527995824,9cyclictest41-21ksoftirqd/309:25:263
6527995820,8cyclictest41-21ksoftirqd/311:15:083
6524995830,4cyclictest25-21ksoftirqd/111:30:171
6524995823,7cyclictest25-21ksoftirqd/108:45:131
6527995729,8cyclictest41-21ksoftirqd/307:45:123
6527995723,10cyclictest41-21ksoftirqd/309:00:253
6527995722,11cyclictest41-21ksoftirqd/307:40:173
6524995726,4cyclictest25-21ksoftirqd/112:05:001
6524995722,4cyclictest25-21ksoftirqd/110:40:261
6524995717,8cyclictest25-21ksoftirqd/107:35:241
6524995717,8cyclictest25-21ksoftirqd/107:35:241
6527995628,8cyclictest41-21ksoftirqd/310:40:143
6524995630,7cyclictest25-21ksoftirqd/107:45:221
6524995628,4cyclictest25-21ksoftirqd/110:30:121
6524995625,3cyclictest25-21ksoftirqd/110:05:131
6524995625,3cyclictest25-21ksoftirqd/108:40:211
6524995622,3cyclictest25-21ksoftirqd/109:00:251
6524995620,4cyclictest25-21ksoftirqd/112:05:231
6524995620,4cyclictest25-21ksoftirqd/111:00:291
6524995620,4cyclictest25-21ksoftirqd/110:20:261
6524995522,3cyclictest25-21ksoftirqd/112:35:211
6524995520,4cyclictest25-21ksoftirqd/109:55:251
6524995520,4cyclictest25-21ksoftirqd/107:15:261
6524995520,3cyclictest25-21ksoftirqd/108:20:261
6524995518,9cyclictest25-21ksoftirqd/107:50:171
6524995516,8cyclictest25-21ksoftirqd/111:05:121
652799546,9cyclictest41-21ksoftirqd/311:10:003
652799544,9cyclictest41-21ksoftirqd/308:00:263
6527995422,4cyclictest41-21ksoftirqd/310:25:123
6527995420,4cyclictest41-21ksoftirqd/310:05:123
6524995425,8cyclictest25-21ksoftirqd/110:47:251
6524995425,7cyclictest25-21ksoftirqd/107:25:301
6524995425,4cyclictest25-21ksoftirqd/111:50:161
6524995421,3cyclictest25-21ksoftirqd/109:25:241
6524995419,4cyclictest25-21ksoftirqd/109:40:261
6524995415,7cyclictest25-21ksoftirqd/107:10:211
652499540,10cyclictest25-21ksoftirqd/110:55:281
6527995326,8cyclictest41-21ksoftirqd/311:55:133
6527995325,8cyclictest41-21ksoftirqd/308:05:143
6527995324,4cyclictest41-21ksoftirqd/312:30:173
6527995317,7cyclictest41-21ksoftirqd/308:45:183
6524995326,7cyclictest25-21ksoftirqd/108:15:201
6524995326,6cyclictest25-21ksoftirqd/110:50:161
6524995326,4cyclictest25-21ksoftirqd/109:31:301
6524995326,3cyclictest25-21ksoftirqd/108:55:121
6524995325,4cyclictest25-21ksoftirqd/112:31:421
6524995323,4cyclictest25-21ksoftirqd/112:19:241
6524995319,4cyclictest25-21ksoftirqd/109:05:251
6524995315,9cyclictest25-21ksoftirqd/111:35:191
6526995246,3cyclictest14472-21latency_hist08:35:002
6524995220,7cyclictest25-21ksoftirqd/111:45:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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