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2026-01-07 - 10:50
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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 Wed Jan 07, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72242228162,21sleep30-21swapper/319:07:073
71382199165,23sleep20-21swapper/219:06:052
73402198165,22sleep10-21swapper/119:08:381
71942198163,23sleep00-21swapper/019:06:430
774399800,78cyclictest2080-21kworker/3:223:37:133
7742997833,8cyclictest33-21ksoftirqd/222:40:012
7742997833,8cyclictest33-21ksoftirqd/222:40:012
7741996832,7cyclictest25-21ksoftirqd/120:45:001
139391650,1ptp4l401ktimersoftd/323:25:163
7741996430,7cyclictest25-21ksoftirqd/120:05:201
7741996329,11cyclictest25-21ksoftirqd/119:15:001
7741996230,4cyclictest25-21ksoftirqd/100:05:141
7741996228,9cyclictest25-21ksoftirqd/100:25:251
7741996223,7cyclictest25-21ksoftirqd/119:50:261
7741996128,6cyclictest25-21ksoftirqd/121:30:151
7741996126,9cyclictest25-21ksoftirqd/100:30:151
7741996027,6cyclictest25-21ksoftirqd/121:50:181
7741996026,9cyclictest25-21ksoftirqd/119:40:001
7741995920,4cyclictest25-21ksoftirqd/122:50:151
7741995920,4cyclictest25-21ksoftirqd/121:35:211
7741995920,4cyclictest25-21ksoftirqd/121:35:211
7742995823,9cyclictest33-21ksoftirqd/220:00:002
7741995829,8cyclictest25-21ksoftirqd/120:10:271
7741995828,6cyclictest25-21ksoftirqd/123:25:001
7741995827,6cyclictest25-21ksoftirqd/100:20:141
7741995827,6cyclictest25-21ksoftirqd/100:20:141
7741995826,7cyclictest25-21ksoftirqd/120:00:011
7741995824,4cyclictest25-21ksoftirqd/122:25:001
7741995819,9cyclictest25-21ksoftirqd/121:45:241
7741995818,8cyclictest25-21ksoftirqd/120:15:141
7742995728,3cyclictest33-21ksoftirqd/219:50:202
7741995727,7cyclictest25-21ksoftirqd/123:25:211
7741995727,7cyclictest25-21ksoftirqd/119:30:131
7741995722,8cyclictest25-21ksoftirqd/100:00:251
7742995625,4cyclictest33-21ksoftirqd/222:55:272
7742995610,4cyclictest33-21ksoftirqd/219:10:192
7741995623,8cyclictest25-21ksoftirqd/100:35:161
7741995623,10cyclictest25-21ksoftirqd/119:25:151
7741995622,4cyclictest25-21ksoftirqd/122:10:271
7741995621,7cyclictest25-21ksoftirqd/120:55:191
7741995621,11cyclictest25-21ksoftirqd/120:20:161
7741995621,11cyclictest25-21ksoftirqd/120:20:161
7741995620,4cyclictest25-21ksoftirqd/122:25:241
7741995619,4cyclictest25-21ksoftirqd/119:20:141
7741995525,7cyclictest25-21ksoftirqd/100:15:151
7741995524,8cyclictest25-21ksoftirqd/120:35:271
7741995524,6cyclictest25-21ksoftirqd/100:15:001
7741995522,6cyclictest25-21ksoftirqd/120:50:151
7741995522,6cyclictest25-21ksoftirqd/120:50:151
7741995520,8cyclictest25-21ksoftirqd/121:16:401
7742995422,4cyclictest33-21ksoftirqd/220:40:202
7742995422,4cyclictest33-21ksoftirqd/219:35:242
7742995414,6cyclictest33-21ksoftirqd/221:45:162
774199546,7cyclictest25-21ksoftirqd/121:40:271
774199545,8cyclictest25-21ksoftirqd/122:05:271
7741995424,7cyclictest25-21ksoftirqd/123:00:251
7741995424,7cyclictest25-21ksoftirqd/120:45:131
7741995421,7cyclictest25-21ksoftirqd/123:55:231
7742995323,4cyclictest33-21ksoftirqd/200:20:202
7742995323,4cyclictest33-21ksoftirqd/200:20:202
7742995323,3cyclictest33-21ksoftirqd/221:30:262
7742995320,4cyclictest33-21ksoftirqd/220:50:242
7742995320,4cyclictest33-21ksoftirqd/220:50:232
774199536,9cyclictest25-21ksoftirqd/121:00:231
774199534,9cyclictest25-21ksoftirqd/123:30:221
7741995324,9cyclictest25-21ksoftirqd/122:55:151
7741995322,8cyclictest25-21ksoftirqd/122:30:261
7742995221,4cyclictest33-21ksoftirqd/221:10:162
7742995211,11cyclictest33-21ksoftirqd/200:25:262
774199525,8cyclictest25-21ksoftirqd/121:05:221
774199525,7cyclictest25-21ksoftirqd/122:00:291
774199525,7cyclictest25-21ksoftirqd/119:15:241
774199524,7cyclictest25-21ksoftirqd/121:25:251
7741995230,9cyclictest25-21ksoftirqd/121:55:281
7741995224,9cyclictest25-21ksoftirqd/120:30:261
7741995222,9cyclictest25-21ksoftirqd/121:20:241
7741995221,7cyclictest25-21ksoftirqd/123:10:261
7741995220,8cyclictest25-21ksoftirqd/123:15:261
7741995219,7cyclictest25-21ksoftirqd/123:05:141
7742995133,2cyclictest33-21ksoftirqd/223:25:172
7742995133,2cyclictest33-21ksoftirqd/219:25:012
7742995124,7cyclictest33-21ksoftirqd/219:30:272
7742995122,3cyclictest33-21ksoftirqd/221:05:192
7742995118,10cyclictest33-21ksoftirqd/223:25:002
774199515,9cyclictest25-21ksoftirqd/122:40:251
774199515,8cyclictest25-21ksoftirqd/121:10:221
774199514,9cyclictest25-21ksoftirqd/123:40:231
774199514,8cyclictest25-21ksoftirqd/123:50:111
774199514,8cyclictest25-21ksoftirqd/123:50:111
774199514,8cyclictest25-21ksoftirqd/120:00:231
774199514,7cyclictest25-21ksoftirqd/119:45:161
774199514,10cyclictest25-21ksoftirqd/122:35:161
774199514,10cyclictest25-21ksoftirqd/122:35:161
7741995124,9cyclictest25-21ksoftirqd/119:35:131
774299507,3cyclictest33-21ksoftirqd/223:05:152
7742995018,3cyclictest33-21ksoftirqd/223:35:272
774199505,7cyclictest25-21ksoftirqd/122:45:161
7741995018,7cyclictest25-21ksoftirqd/120:25:251
774299496,2cyclictest33-21ksoftirqd/200:40:002
7742994924,6cyclictest33-21ksoftirqd/221:40:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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