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2026-06-03 - 19:36
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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 rackdslot4.osadl.org (updated Wed Jun 03, 2026 12:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
49182225162,52sleep20-21swapper/207:06:052
138591207173,23phc2sys0-21swapper/307:08:113
52142204140,22sleep00-21swapper/007:09:490
52202199166,22sleep10-21swapper/107:09:541
523028261,11sleep00-21swapper/007:10:010
5522996417,6cyclictest25-21ksoftirqd/111:45:011
141952640,7sleep2552399cyclictest08:30:212
5522996329,4cyclictest25-21ksoftirqd/111:00:241
5522996328,7cyclictest25-21ksoftirqd/112:25:261
5522996230,4cyclictest25-21ksoftirqd/110:25:011
5522996228,7cyclictest25-21ksoftirqd/111:45:141
5522996228,7cyclictest25-21ksoftirqd/108:20:251
5522996227,7cyclictest25-21ksoftirqd/107:50:131
5521996231,3cyclictest9-21ksoftirqd/012:00:260
5521996231,3cyclictest9-21ksoftirqd/012:00:260
5522996132,9cyclictest25-21ksoftirqd/107:30:011
5522996131,4cyclictest25-21ksoftirqd/111:50:261
5522996130,4cyclictest25-21ksoftirqd/111:30:121
5522996130,4cyclictest25-21ksoftirqd/111:30:121
5522996128,4cyclictest25-21ksoftirqd/108:25:251
5521996129,4cyclictest9-21ksoftirqd/008:25:150
138491610,1ptp4l401ktimersoftd/311:25:283
5522996029,7cyclictest25-21ksoftirqd/107:20:201
5522996028,4cyclictest25-21ksoftirqd/108:05:221
5522996028,4cyclictest25-21ksoftirqd/108:05:221
57342590,2sleep00-21swapper/011:30:110
57342590,2sleep00-21swapper/011:30:110
5522995929,4cyclictest25-21ksoftirqd/112:30:121
5522995928,8cyclictest25-21ksoftirqd/112:05:121
5522995928,4cyclictest25-21ksoftirqd/112:00:211
5522995928,4cyclictest25-21ksoftirqd/112:00:211
5522995928,4cyclictest25-21ksoftirqd/110:30:181
5522995927,4cyclictest25-21ksoftirqd/110:45:131
5522995927,4cyclictest25-21ksoftirqd/110:00:271
5521995930,6cyclictest9-21ksoftirqd/010:15:170
5521995929,4cyclictest9-21ksoftirqd/009:45:260
5521995929,3cyclictest9-21ksoftirqd/009:35:160
5521995927,3cyclictest9-21ksoftirqd/012:19:590
5521995927,3cyclictest9-21ksoftirqd/010:05:270
5521995830,3cyclictest9-21ksoftirqd/010:55:190
5521995827,9cyclictest9-21ksoftirqd/007:45:000
5521995826,4cyclictest9-21ksoftirqd/009:20:130
5521995825,3cyclictest9-21ksoftirqd/011:55:130
5522995726,4cyclictest25-21ksoftirqd/108:40:191
5522995726,3cyclictest25-21ksoftirqd/110:55:111
5522995725,4cyclictest25-21ksoftirqd/108:50:001
5521995730,3cyclictest9-21ksoftirqd/008:40:240
5521995729,4cyclictest9-21ksoftirqd/007:20:140
5521995727,3cyclictest9-21ksoftirqd/012:30:140
5522995624,4cyclictest25-21ksoftirqd/112:15:141
5522995622,4cyclictest25-21ksoftirqd/108:30:201
5521995629,3cyclictest9-21ksoftirqd/008:55:230
5521995626,4cyclictest9-21ksoftirqd/008:00:030
5521995626,3cyclictest9-21ksoftirqd/009:25:270
5521995624,4cyclictest9-21ksoftirqd/008:10:170
5522995531,4cyclictest25-21ksoftirqd/110:25:191
5522995525,3cyclictest25-21ksoftirqd/109:00:131
5522995522,3cyclictest25-21ksoftirqd/108:40:001
5521995528,4cyclictest9-21ksoftirqd/011:25:270
5521995526,4cyclictest9-21ksoftirqd/009:55:140
5521995519,4cyclictest9-21ksoftirqd/011:05:240
85222540,3sleep08525-21irqrtprio10:30:170
5524995436,10cyclictest41-21ksoftirqd/310:25:283
5522995426,4cyclictest25-21ksoftirqd/107:10:241
5522995419,5cyclictest25-21ksoftirqd/108:15:141
5521995422,6cyclictest9-21ksoftirqd/010:50:210
5522995324,4cyclictest25-21ksoftirqd/109:24:371
5522995323,4cyclictest25-21ksoftirqd/109:25:221
5522995322,4cyclictest25-21ksoftirqd/109:40:151
5522995322,4cyclictest25-21ksoftirqd/109:05:171
5522995320,7cyclictest25-21ksoftirqd/107:30:231
5522995320,4cyclictest25-21ksoftirqd/108:45:241
5521995322,3cyclictest9-21ksoftirqd/007:15:230
138491530,1ptp4l401ktimersoftd/311:47:353
5522995223,4cyclictest25-21ksoftirqd/112:35:161
5522995223,3cyclictest25-21ksoftirqd/109:10:191
5522995223,3cyclictest25-21ksoftirqd/109:10:191
5522995221,3cyclictest25-21ksoftirqd/111:10:171
5522995221,3cyclictest25-21ksoftirqd/110:40:011
5522995220,3cyclictest25-21ksoftirqd/109:35:251
5522995219,3cyclictest25-21ksoftirqd/108:15:001
5522995217,4cyclictest25-21ksoftirqd/110:50:261
5522995213,3cyclictest25-21ksoftirqd/110:40:191
5521995227,5cyclictest9-21ksoftirqd/008:20:270
5521995225,4cyclictest9-21ksoftirqd/008:35:150
5521995225,3cyclictest9-21ksoftirqd/011:00:230
5521995223,4cyclictest9-21ksoftirqd/007:25:160
5521995222,4cyclictest9-21ksoftirqd/010:15:000
5521995222,4cyclictest9-21ksoftirqd/010:15:000
284992520,1sleep20-21swapper/207:55:202
5522995123,3cyclictest25-21ksoftirqd/107:45:141
5522995122,4cyclictest25-21ksoftirqd/111:20:131
5522995122,4cyclictest25-21ksoftirqd/109:45:151
5522995121,4cyclictest25-21ksoftirqd/111:35:121
5522995121,4cyclictest25-21ksoftirqd/108:55:161
5521995120,3cyclictest9-21ksoftirqd/010:00:530
5522995036,3cyclictest25-21ksoftirqd/108:00:001
5522995021,4cyclictest25-21ksoftirqd/112:10:141
5522995020,9cyclictest25-21ksoftirqd/111:05:171
5522995020,4cyclictest25-21ksoftirqd/107:15:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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