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2026-04-08 - 20:13
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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 Wed Apr 08, 2026 12:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7352997837,7cyclictest41-21ksoftirqd/310:20:013
7351997331,3cyclictest33-21ksoftirqd/212:35:282
7352997233,4cyclictest41-21ksoftirqd/312:20:003
7352997127,9cyclictest41-21ksoftirqd/311:15:163
7352996920,8cyclictest41-21ksoftirqd/307:40:003
7352996835,4cyclictest41-21ksoftirqd/308:40:153
7352996827,4cyclictest41-21ksoftirqd/310:30:143
7349996832,4cyclictest9-21ksoftirqd/009:30:170
7352996634,4cyclictest41-21ksoftirqd/309:25:003
7352996626,8cyclictest41-21ksoftirqd/307:52:193
7351996533,5cyclictest33-21ksoftirqd/211:45:242
7352996432,4cyclictest41-21ksoftirqd/310:20:233
7352996429,3cyclictest41-21ksoftirqd/307:20:123
7352996426,4cyclictest41-21ksoftirqd/311:05:143
7352996426,4cyclictest41-21ksoftirqd/308:10:213
7351996431,23cyclictest33-21ksoftirqd/209:55:012
7351996430,7cyclictest33-21ksoftirqd/207:50:172
7351996430,5cyclictest33-21ksoftirqd/207:26:442
7349996426,8cyclictest9-21ksoftirqd/011:33:340
7352996328,6cyclictest41-21ksoftirqd/309:00:273
7351996332,3cyclictest33-21ksoftirqd/209:55:202
7351996330,4cyclictest33-21ksoftirqd/212:30:012
7351996330,3cyclictest33-21ksoftirqd/207:10:142
7351996329,9cyclictest33-21ksoftirqd/209:10:192
7351996329,9cyclictest33-21ksoftirqd/209:10:192
7351996328,5cyclictest33-21ksoftirqd/209:02:362
7351996324,7cyclictest33-21ksoftirqd/207:15:232
7349996331,6cyclictest9-21ksoftirqd/007:15:240
7349996324,5cyclictest9-21ksoftirqd/010:40:000
7352996231,3cyclictest41-21ksoftirqd/309:30:153
7352996230,3cyclictest41-21ksoftirqd/309:45:003
7352996230,3cyclictest41-21ksoftirqd/309:45:003
735299622,6cyclictest0-21swapper/312:39:423
735299622,6cyclictest0-21swapper/309:14:433
735299622,6cyclictest0-21swapper/309:14:423
7351996235,3cyclictest33-21ksoftirqd/211:10:182
735199623,3cyclictest121rcu_preempt12:05:252
7351996228,6cyclictest33-21ksoftirqd/207:35:212
7351996228,4cyclictest33-21ksoftirqd/208:36:262
7351996224,7cyclictest33-21ksoftirqd/209:40:232
7351996224,7cyclictest33-21ksoftirqd/209:40:232
7349996233,4cyclictest9-21ksoftirqd/010:04:590
7349996226,5cyclictest9-21ksoftirqd/007:27:190
7349996225,10cyclictest9-21ksoftirqd/007:22:540
7352996131,3cyclictest41-21ksoftirqd/311:40:273
7352996128,4cyclictest41-21ksoftirqd/312:00:173
7352996128,3cyclictest41-21ksoftirqd/307:45:183
7352996127,7cyclictest41-21ksoftirqd/311:50:183
7352996125,7cyclictest41-21ksoftirqd/311:55:053
7351996131,7cyclictest33-21ksoftirqd/209:24:502
7351996130,8cyclictest33-21ksoftirqd/209:25:152
7349996126,5cyclictest9-21ksoftirqd/010:19:220
7349996122,6cyclictest9-21ksoftirqd/009:40:000
134491610,5ptp4l0-21swapper/207:06:262
7352996031,6cyclictest41-21ksoftirqd/310:55:163
7352996023,8cyclictest41-21ksoftirqd/311:28:383
7352996023,3cyclictest41-21ksoftirqd/310:40:003
7352996021,3cyclictest41-21ksoftirqd/312:05:223
7351996031,7cyclictest33-21ksoftirqd/207:58:202
7351996030,8cyclictest33-21ksoftirqd/210:18:192
7351996030,4cyclictest33-21ksoftirqd/207:40:242
7351996028,4cyclictest33-21ksoftirqd/212:16:442
7351996028,4cyclictest33-21ksoftirqd/209:45:242
7351996026,4cyclictest33-21ksoftirqd/210:33:492
7351996018,3cyclictest33-21ksoftirqd/209:18:442
7349996031,10cyclictest9-21ksoftirqd/008:35:190
7349996029,3cyclictest9-21ksoftirqd/008:50:170
7352995925,8cyclictest41-21ksoftirqd/309:55:013
7352995923,8cyclictest41-21ksoftirqd/312:11:553
7351995932,4cyclictest33-21ksoftirqd/207:20:182
7351995929,3cyclictest33-21ksoftirqd/211:35:072
7351995927,5cyclictest33-21ksoftirqd/207:47:022
7351995925,4cyclictest33-21ksoftirqd/211:27:212
7351995925,3cyclictest33-21ksoftirqd/210:10:262
7349995930,4cyclictest9-21ksoftirqd/011:39:590
7349995929,8cyclictest9-21ksoftirqd/009:03:110
7349995926,7cyclictest9-21ksoftirqd/008:14:170
7349995922,5cyclictest9-21ksoftirqd/009:22:250
7349995919,4cyclictest9-21ksoftirqd/009:19:520
56352590,4sleep35638-21fschecks_time08:15:153
7352995829,9cyclictest41-21ksoftirqd/307:25:183
7352995828,3cyclictest41-21ksoftirqd/308:20:263
7352995826,9cyclictest41-21ksoftirqd/311:45:253
7352995826,4cyclictest41-21ksoftirqd/309:05:243
7351995830,3cyclictest33-21ksoftirqd/209:34:362
7351995828,6cyclictest33-21ksoftirqd/209:35:222
7351995826,7cyclictest33-21ksoftirqd/208:45:232
7351995821,4cyclictest33-21ksoftirqd/211:30:122
7349995828,9cyclictest9-21ksoftirqd/007:50:000
7349995828,4cyclictest9-21ksoftirqd/010:13:460
7352995727,8cyclictest41-21ksoftirqd/308:25:283
7352995723,9cyclictest41-21ksoftirqd/307:55:163
7351995734,4cyclictest33-21ksoftirqd/208:05:002
7351995726,5cyclictest33-21ksoftirqd/207:33:502
7351995725,4cyclictest33-21ksoftirqd/208:10:132
7351995725,4cyclictest33-21ksoftirqd/208:05:152
7351995724,4cyclictest33-21ksoftirqd/211:44:152
7351995723,6cyclictest33-21ksoftirqd/208:29:422
7351995723,3cyclictest33-21ksoftirqd/208:30:202
7351995720,4cyclictest33-21ksoftirqd/211:20:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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