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2026-06-21 - 03:15
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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 rackdslot2.osadl.org (updated Sat Jun 20, 2026 12:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
222032212178,23sleep20-21swapper/207:09:592
221132206172,23sleep10-21swapper/107:08:531
221012205171,22sleep00-21swapper/007:08:440
218472205172,22sleep30-21swapper/307:05:303
2202521580,3sleep32250099cyclictest08:15:183
2220428363,11sleep30-21swapper/307:10:003
22499997938,4cyclictest33-21ksoftirqd/211:59:592
22499996931,3cyclictest33-21ksoftirqd/210:25:242
22497996833,6cyclictest9-21ksoftirqd/008:15:010
2249899670,64cyclictest0-21swapper/109:20:451
22497996731,5cyclictest9-21ksoftirqd/008:25:000
2249899660,63cyclictest0-21swapper/111:02:251
22497996632,6cyclictest9-21ksoftirqd/009:30:150
22497996630,8cyclictest9-21ksoftirqd/010:25:000
22499996429,4cyclictest33-21ksoftirqd/207:25:282
22499996429,4cyclictest33-21ksoftirqd/207:25:282
139291640,1ptp4l401ktimersoftd/308:12:523
22499996328,12cyclictest33-21ksoftirqd/209:10:182
22499996327,7cyclictest33-21ksoftirqd/210:05:182
22499996327,7cyclictest33-21ksoftirqd/210:05:172
22499996322,7cyclictest33-21ksoftirqd/207:40:122
22497996330,4cyclictest9-21ksoftirqd/008:40:140
22499996228,8cyclictest33-21ksoftirqd/210:45:212
22499996228,6cyclictest33-21ksoftirqd/209:55:132
22497996231,4cyclictest9-21ksoftirqd/008:50:190
22497996229,6cyclictest9-21ksoftirqd/011:10:190
22497996228,6cyclictest9-21ksoftirqd/007:40:180
22499996128,4cyclictest33-21ksoftirqd/212:35:252
22499996126,4cyclictest33-21ksoftirqd/207:30:132
22499996126,4cyclictest33-21ksoftirqd/207:30:132
22499996125,10cyclictest33-21ksoftirqd/212:30:212
22499996124,8cyclictest33-21ksoftirqd/210:20:152
22499996123,6cyclictest33-21ksoftirqd/208:00:192
22499996122,7cyclictest33-21ksoftirqd/208:55:272
22499996122,6cyclictest33-21ksoftirqd/211:05:202
22497996130,4cyclictest9-21ksoftirqd/011:40:210
22497996129,5cyclictest9-21ksoftirqd/011:35:260
22497996129,5cyclictest9-21ksoftirqd/011:35:260
22497996129,4cyclictest9-21ksoftirqd/011:35:000
22497996128,7cyclictest9-21ksoftirqd/010:40:220
22497996128,5cyclictest9-21ksoftirqd/011:55:200
22497996128,5cyclictest9-21ksoftirqd/007:20:180
22497996125,5cyclictest9-21ksoftirqd/009:15:280
22497996125,5cyclictest9-21ksoftirqd/009:05:220
22497996125,5cyclictest9-21ksoftirqd/008:55:200
22497996125,5cyclictest9-21ksoftirqd/008:35:240
22497996122,6cyclictest9-21ksoftirqd/011:25:130
22499996025,9cyclictest33-21ksoftirqd/212:10:242
22497996030,4cyclictest9-21ksoftirqd/007:25:190
22497996030,4cyclictest9-21ksoftirqd/007:25:190
22497996029,5cyclictest9-21ksoftirqd/008:45:260
22497996029,4cyclictest9-21ksoftirqd/007:45:170
22497996027,4cyclictest9-21ksoftirqd/011:25:000
22497996022,5cyclictest9-21ksoftirqd/012:30:260
22497996021,7cyclictest9-21ksoftirqd/010:05:200
22497996021,7cyclictest9-21ksoftirqd/010:05:190
22499995925,6cyclictest33-21ksoftirqd/208:45:242
22499995923,7cyclictest33-21ksoftirqd/209:50:012
22499995923,7cyclictest33-21ksoftirqd/207:25:002
22499995923,4cyclictest33-21ksoftirqd/211:10:262
22499995919,7cyclictest33-21ksoftirqd/209:35:152
22499995915,4cyclictest33-21ksoftirqd/209:05:142
22497995928,7cyclictest9-21ksoftirqd/011:45:200
22497995928,6cyclictest9-21ksoftirqd/009:25:210
22497995928,3cyclictest9-21ksoftirqd/010:35:180
22497995927,3cyclictest9-21ksoftirqd/010:15:260
22497995926,4cyclictest9-21ksoftirqd/012:00:180
22497995924,5cyclictest9-21ksoftirqd/007:20:010
22497995924,3cyclictest9-21ksoftirqd/009:45:180
22497995922,6cyclictest9-21ksoftirqd/012:05:160
22497995921,5cyclictest9-21ksoftirqd/008:25:030
148472590,3sleep10-21swapper/112:30:151
139291590,1ptp4l401ktimersoftd/310:46:493
22499995826,4cyclictest33-21ksoftirqd/210:39:592
22499995825,7cyclictest33-21ksoftirqd/211:30:152
22499995824,4cyclictest33-21ksoftirqd/212:20:222
22499995823,4cyclictest33-21ksoftirqd/207:10:172
22499995817,7cyclictest33-21ksoftirqd/210:10:242
22497995830,3cyclictest9-21ksoftirqd/009:35:190
22497995825,6cyclictest9-21ksoftirqd/008:15:180
22497995825,5cyclictest9-21ksoftirqd/012:20:140
22497995824,4cyclictest9-21ksoftirqd/012:30:000
22497995821,12cyclictest9-21ksoftirqd/009:04:590
22499995730,6cyclictest33-21ksoftirqd/209:05:002
22497995728,3cyclictest9-21ksoftirqd/011:05:270
22497995727,3cyclictest9-21ksoftirqd/008:00:160
22497995726,5cyclictest9-21ksoftirqd/007:35:260
22497995725,5cyclictest9-21ksoftirqd/012:35:130
22497995724,4cyclictest9-21ksoftirqd/010:50:190
22497995723,4cyclictest9-21ksoftirqd/011:50:260
22499995621,5cyclictest33-21ksoftirqd/209:20:132
22499995621,5cyclictest33-21ksoftirqd/207:50:192
22499995617,7cyclictest33-21ksoftirqd/208:35:242
22497995627,4cyclictest9-21ksoftirqd/009:55:000
22497995624,4cyclictest9-21ksoftirqd/010:25:260
22497995623,5cyclictest9-21ksoftirqd/007:30:180
22497995623,5cyclictest9-21ksoftirqd/007:30:180
22497995622,4cyclictest9-21ksoftirqd/011:00:140
22497995621,5cyclictest9-21ksoftirqd/008:05:160
22499995524,8cyclictest33-21ksoftirqd/207:15:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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