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2026-05-29 - 20:21
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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 Fri May 29, 2026 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6086998424,14cyclictest33-21ksoftirqd/208:45:132
6084998335,4cyclictest9-21ksoftirqd/011:53:030
134491830,4ptp4l0-21swapper/111:52:411
608699754,4cyclictest448-21dbus-daemon11:52:412
6086997530,15cyclictest33-21ksoftirqd/211:40:002
6086997530,15cyclictest33-21ksoftirqd/211:39:592
6086997238,4cyclictest33-21ksoftirqd/210:18:252
6086996930,10cyclictest33-21ksoftirqd/209:20:182
6087996633,8cyclictest41-21ksoftirqd/307:55:003
6086996628,4cyclictest33-21ksoftirqd/207:30:002
6087996523,7cyclictest41-21ksoftirqd/308:13:473
6086996529,5cyclictest33-21ksoftirqd/212:28:222
6086996528,10cyclictest33-21ksoftirqd/209:45:012
6084996530,5cyclictest9-21ksoftirqd/009:56:170
6084996528,5cyclictest9-21ksoftirqd/007:26:460
134491650,4ptp4l0-21swapper/109:30:561
6087996431,4cyclictest41-21ksoftirqd/312:05:003
6087996428,7cyclictest41-21ksoftirqd/307:35:003
6084996432,5cyclictest9-21ksoftirqd/012:28:200
6084996431,4cyclictest9-21ksoftirqd/011:25:320
6084996429,5cyclictest9-21ksoftirqd/009:50:320
6087996333,3cyclictest41-21ksoftirqd/308:25:153
6087996324,7cyclictest41-21ksoftirqd/307:37:013
6086996331,7cyclictest33-21ksoftirqd/210:25:012
6086996320,5cyclictest33-21ksoftirqd/212:20:182
6084996329,8cyclictest9-21ksoftirqd/010:19:040
6084996328,6cyclictest9-21ksoftirqd/008:07:500
6084996325,5cyclictest9-21ksoftirqd/010:24:380
6087996230,9cyclictest41-21ksoftirqd/308:50:243
6086996231,8cyclictest33-21ksoftirqd/209:35:282
6086996231,7cyclictest33-21ksoftirqd/208:22:472
6086996231,6cyclictest33-21ksoftirqd/208:25:122
6086996231,6cyclictest33-21ksoftirqd/207:45:432
6086996226,10cyclictest33-21ksoftirqd/211:05:032
6084996230,4cyclictest9-21ksoftirqd/009:00:000
6086996130,7cyclictest33-21ksoftirqd/207:10:122
6086996129,6cyclictest33-21ksoftirqd/210:40:162
6086996128,4cyclictest33-21ksoftirqd/212:15:242
6084996129,5cyclictest9-21ksoftirqd/008:54:060
6084996127,8cyclictest9-21ksoftirqd/012:38:570
6084996126,5cyclictest9-21ksoftirqd/007:32:030
6084996126,3cyclictest9-21ksoftirqd/007:40:000
6084996123,5cyclictest9-21ksoftirqd/011:10:500
6084996123,5cyclictest9-21ksoftirqd/011:02:480
6087996018,3cyclictest41-21ksoftirqd/307:40:293
6086996031,7cyclictest33-21ksoftirqd/209:32:302
6086996029,8cyclictest33-21ksoftirqd/210:54:002
6086996027,7cyclictest33-21ksoftirqd/208:50:142
6084996028,3cyclictest9-21ksoftirqd/009:15:140
6084996026,4cyclictest9-21ksoftirqd/009:27:570
6084996024,4cyclictest9-21ksoftirqd/007:24:290
6084996023,5cyclictest9-21ksoftirqd/008:38:020
134491600,5ptp4l0-21swapper/109:08:481
134491600,4ptp4l0-21swapper/312:35:523
608799590,5cyclictest26384-21systemd-cgroups11:52:493
6086995931,18cyclictest33-21ksoftirqd/211:34:042
6086995929,6cyclictest33-21ksoftirqd/208:10:062
6086995927,7cyclictest33-21ksoftirqd/210:05:212
6086995925,9cyclictest33-21ksoftirqd/209:05:002
6086995924,3cyclictest33-21ksoftirqd/211:15:112
6086995921,20cyclictest33-21ksoftirqd/212:35:162
6084995928,8cyclictest9-21ksoftirqd/007:14:340
6084995928,12cyclictest9-21ksoftirqd/009:20:070
6084995924,7cyclictest9-21ksoftirqd/012:11:170
134491590,3ptp4l0-21swapper/109:19:121
6087995830,9cyclictest41-21ksoftirqd/311:10:253
6087995825,8cyclictest41-21ksoftirqd/310:35:283
6086995829,4cyclictest33-21ksoftirqd/211:43:092
6086995826,7cyclictest33-21ksoftirqd/209:15:132
6086995825,6cyclictest33-21ksoftirqd/209:25:272
6086995825,6cyclictest33-21ksoftirqd/208:02:402
6086995822,6cyclictest33-21ksoftirqd/210:35:222
6084995825,3cyclictest9-21ksoftirqd/010:36:410
6084995824,5cyclictest9-21ksoftirqd/008:46:490
6084995823,5cyclictest9-21ksoftirqd/009:07:390
6084995821,5cyclictest9-21ksoftirqd/011:38:110
6084995821,5cyclictest9-21ksoftirqd/011:38:110
134491580,4ptp4l0-21swapper/010:25:190
6086995728,6cyclictest33-21ksoftirqd/209:05:142
6086995725,4cyclictest33-21ksoftirqd/209:10:152
6086995723,4cyclictest33-21ksoftirqd/210:05:002
6084995728,3cyclictest9-21ksoftirqd/010:55:500
6084995728,3cyclictest9-21ksoftirqd/008:11:140
6084995727,4cyclictest9-21ksoftirqd/012:18:430
6084995727,4cyclictest9-21ksoftirqd/007:40:220
6084995725,7cyclictest9-21ksoftirqd/009:41:050
6084995725,4cyclictest9-21ksoftirqd/008:24:550
6084995721,5cyclictest9-21ksoftirqd/011:20:000
134491570,5ptp4l0-21swapper/107:07:371
134491570,4ptp4l0-21swapper/107:40:271
6087995623,3cyclictest41-21ksoftirqd/309:55:173
6086995634,12cyclictest33-21ksoftirqd/211:28:492
6084995627,6cyclictest9-21ksoftirqd/012:31:020
6084995627,4cyclictest9-21ksoftirqd/010:40:270
6084995625,7cyclictest9-21ksoftirqd/010:52:050
6084995625,4cyclictest9-21ksoftirqd/007:50:230
6084995619,4cyclictest9-21ksoftirqd/009:49:470
134491560,6ptp4l0-21swapper/007:06:500
6086995530,4cyclictest33-21ksoftirqd/208:34:552
6086995524,3cyclictest33-21ksoftirqd/207:50:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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