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2025-11-30 - 17:59
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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 rackdslot1.osadl.org (updated Sun Nov 30, 2025 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
213992690,6sleep22103099cyclictest11:45:252
2103199692,27cyclictest0-21swapper/312:25:273
142802680,3sleep30-21swapper/311:30:243
129272680,5sleep20-21swapper/211:30:002
170942640,7sleep02102899cyclictest08:10:170
137492640,4sleep10-21swapper/111:30:181
102392640,3sleep00-21swapper/010:15:000
2847191630,8ptp4l0-21swapper/207:37:582
2847191630,8ptp4l0-21swapper/207:37:582
2847191630,5ptp4l0-21swapper/109:40:131
21031996326,9cyclictest41-21ksoftirqd/312:20:253
21031996326,8cyclictest41-21ksoftirqd/309:12:353
2847191620,5ptp4l0-21swapper/107:07:551
2847191620,5ptp4l0-21swapper/010:00:160
2847191610,3ptp4l0-21swapper/111:36:381
21031996128,10cyclictest41-21ksoftirqd/309:25:003
21031996029,4cyclictest41-21ksoftirqd/311:55:193
21031996025,7cyclictest41-21ksoftirqd/308:07:043
21031996023,7cyclictest41-21ksoftirqd/309:57:043
21028996033,3cyclictest9-21ksoftirqd/011:55:280
21028996025,10cyclictest9-21ksoftirqd/009:00:000
2847191590,3ptp4l0-21swapper/110:18:411
21031995925,4cyclictest41-21ksoftirqd/311:10:013
21031995923,8cyclictest41-21ksoftirqd/307:20:553
21028995926,9cyclictest9-21ksoftirqd/010:55:140
2847191580,3ptp4l0-21swapper/208:37:172
2847191580,3ptp4l0-21swapper/011:00:290
2847191580,3ptp4l0-21swapper/009:30:240
239562580,5sleep00-21swapper/007:15:200
21031995827,3cyclictest41-21ksoftirqd/309:41:433
21031995826,4cyclictest41-21ksoftirqd/311:00:193
21031995825,7cyclictest41-21ksoftirqd/310:17:103
21031995824,6cyclictest41-21ksoftirqd/310:30:213
21028995822,6cyclictest9-21ksoftirqd/009:00:220
21028995821,6cyclictest9-21ksoftirqd/010:45:150
2847191570,3ptp4l0-21swapper/207:56:582
2847191570,3ptp4l0-21swapper/107:56:031
2847191570,3ptp4l0-21swapper/107:50:251
2847191570,3ptp4l0-21swapper/008:25:280
2847191570,11ptp4l0-21swapper/210:25:502
21031995729,5cyclictest41-21ksoftirqd/312:00:233
21031995729,5cyclictest41-21ksoftirqd/312:00:233
2847191560,3ptp4l0-21swapper/111:50:211
2847191560,3ptp4l0-21swapper/111:14:221
2847191560,3ptp4l0-21swapper/108:50:121
2847191560,3ptp4l0-21swapper/008:40:240
21031995626,7cyclictest41-21ksoftirqd/310:25:273
21031995625,7cyclictest41-21ksoftirqd/311:53:263
21031995625,7cyclictest41-21ksoftirqd/310:05:283
21031995623,8cyclictest41-21ksoftirqd/308:45:263
21031995623,7cyclictest41-21ksoftirqd/308:21:443
21028995629,6cyclictest9-21ksoftirqd/011:30:270
21028995626,6cyclictest9-21ksoftirqd/011:49:360
21028995626,6cyclictest9-21ksoftirqd/007:40:210
21028995626,3cyclictest9-21ksoftirqd/011:50:180
21028995625,5cyclictest9-21ksoftirqd/010:15:280
21028995622,5cyclictest9-21ksoftirqd/011:40:000
21028995620,5cyclictest9-21ksoftirqd/011:05:300
2847191550,4ptp4l0-21swapper/112:36:441
2847191550,3ptp4l0-21swapper/109:15:291
21031995527,9cyclictest41-21ksoftirqd/309:15:313
21031995525,8cyclictest41-21ksoftirqd/308:35:203
21031995525,7cyclictest41-21ksoftirqd/309:00:143
21031995525,7cyclictest41-21ksoftirqd/308:40:153
21031995525,4cyclictest41-21ksoftirqd/312:10:303
21031995521,7cyclictest41-21ksoftirqd/310:20:473
21028995525,5cyclictest9-21ksoftirqd/009:41:060
21028995524,5cyclictest9-21ksoftirqd/012:20:560
21028995524,5cyclictest9-21ksoftirqd/007:50:330
21028995523,5cyclictest9-21ksoftirqd/009:15:190
21028995523,5cyclictest9-21ksoftirqd/008:45:190
21028995523,4cyclictest9-21ksoftirqd/010:55:000
21028995520,5cyclictest9-21ksoftirqd/008:20:200
21031995423,7cyclictest41-21ksoftirqd/308:50:153
21031995420,8cyclictest41-21ksoftirqd/307:10:143
2103199541,7cyclictest41-21ksoftirqd/307:20:003
21028995422,9cyclictest9-21ksoftirqd/007:30:190
21028995421,6cyclictest9-21ksoftirqd/012:05:010
21028995421,6cyclictest9-21ksoftirqd/012:05:010
2847191530,4ptp4l0-21swapper/107:39:031
2847191530,4ptp4l0-21swapper/107:39:021
2847191530,4ptp4l0-21swapper/010:39:070
2847191530,4ptp4l0-21swapper/009:46:560
21031995325,9cyclictest41-21ksoftirqd/309:25:283
21031995323,7cyclictest41-21ksoftirqd/310:45:193
21031995322,7cyclictest41-21ksoftirqd/309:05:203
21031995321,7cyclictest41-21ksoftirqd/311:17:153
21031995321,7cyclictest41-21ksoftirqd/310:40:223
21031995321,7cyclictest41-21ksoftirqd/310:05:003
21031995320,9cyclictest41-21ksoftirqd/307:55:223
21028995324,5cyclictest9-21ksoftirqd/009:05:480
21028995324,4cyclictest9-21ksoftirqd/009:55:160
21028995319,6cyclictest9-21ksoftirqd/012:20:010
21028995317,5cyclictest9-21ksoftirqd/008:05:280
2847191520,4ptp4l0-21swapper/010:44:210
2847191520,4ptp4l0-21swapper/008:30:370
2847191520,3ptp4l0-21swapper/008:37:340
2847191520,3ptp4l0-21swapper/007:11:430
21031995228,3cyclictest41-21ksoftirqd/312:30:213
21031995227,3cyclictest41-21ksoftirqd/308:25:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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