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2026-07-26 - 21:15
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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 rackdslot3.osadl.org (updated Sun Jul 26, 2026 12:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
364122550,20sleep30-21swapper/307:05:153
52162208164,33sleep20-21swapper/207:06:022
53492206172,22sleep10-21swapper/107:07:471
55012205172,22sleep00-21swapper/007:09:380
1353421780,7sleep0596299cyclictest07:25:150
1903921680,1sleep00-21swapper/007:35:220
1734421410,3sleep1596399cyclictest07:30:241
552928263,10sleep20-21swapper/207:10:002
178652630,4sleep317869-21ptp4l08:40:233
139391570,1ptp4l401ktimersoftd/312:37:083
139391560,1ptp4l401ktimersoftd/312:22:413
48012530,2sleep30-21swapper/309:20:233
156912510,2sleep20-21swapper/212:00:002
61532500,2sleep20-21swapper/210:30:232
139391450,0ptp4l401ktimersoftd/310:30:203
139391440,1ptp4l401ktimersoftd/309:08:113
139391440,0ptp4l401ktimersoftd/312:18:243
139391440,0ptp4l401ktimersoftd/308:00:203
5964994338,3cyclictest28384-21cron09:05:002
139391430,0ptp4l401ktimersoftd/312:00:193
139391400,1ptp4l401ktimersoftd/311:14:073
139391400,1ptp4l401ktimersoftd/309:25:063
139391400,1ptp4l401ktimersoftd/309:25:063
5965993831,4cyclictest41-21ksoftirqd/308:55:173
5964993833,3cyclictest33-21ksoftirqd/211:00:012
5964993833,3cyclictest33-21ksoftirqd/209:40:012
5964993832,3cyclictest33-21ksoftirqd/209:25:002
5964993832,3cyclictest24846-21cron07:49:592
5963993832,4cyclictest25-21ksoftirqd/108:25:001
5963993831,5cyclictest25-21ksoftirqd/110:18:021
5963993733,3cyclictest25-21ksoftirqd/111:45:011
5963993732,3cyclictest25-21ksoftirqd/107:45:181
5963993731,4cyclictest25-21ksoftirqd/110:42:411
5963993731,4cyclictest25-21ksoftirqd/107:11:521
5962993732,3cyclictest9-21ksoftirqd/010:00:000
5962993732,3cyclictest9-21ksoftirqd/010:00:000
5962993732,3cyclictest9-21ksoftirqd/009:20:010
139391370,0ptp4l401ktimersoftd/311:55:123
5965993631,3cyclictest41-21ksoftirqd/310:45:003
5965993630,4cyclictest41-21ksoftirqd/307:18:243
5965993630,3cyclictest41-21ksoftirqd/307:30:003
5964993631,3cyclictest33-21ksoftirqd/211:22:422
5964993630,4cyclictest33-21ksoftirqd/211:31:042
5964993630,4cyclictest33-21ksoftirqd/207:33:032
5964993629,4cyclictest33-21ksoftirqd/207:18:582
5964993628,5cyclictest33-21ksoftirqd/212:11:322
5963993631,3cyclictest25-21ksoftirqd/111:55:101
5963993631,3cyclictest25-21ksoftirqd/110:47:101
5963993631,3cyclictest25-21ksoftirqd/109:55:001
5963993630,4cyclictest25-21ksoftirqd/112:21:181
5963993630,4cyclictest25-21ksoftirqd/110:09:151
5963993628,5cyclictest25-21ksoftirqd/110:30:131
5962993630,4cyclictest9-21ksoftirqd/011:49:070
5962993630,4cyclictest9-21ksoftirqd/008:03:100
5965993530,3cyclictest41-21ksoftirqd/311:50:153
5965993529,4cyclictest41-21ksoftirqd/308:31:173
5965993529,3cyclictest41-21ksoftirqd/309:35:193
5965993529,3cyclictest41-21ksoftirqd/309:30:213
5965993528,4cyclictest41-21ksoftirqd/310:06:563
5964993530,3cyclictest33-21ksoftirqd/209:20:012
5964993530,3cyclictest33-21ksoftirqd/208:00:122
5964993529,4cyclictest33-21ksoftirqd/211:35:332
5964993529,4cyclictest33-21ksoftirqd/211:18:282
5963993530,3cyclictest25-21ksoftirqd/111:20:111
5963993530,3cyclictest25-21ksoftirqd/109:30:131
5963993529,4cyclictest25-21ksoftirqd/112:15:121
5963993529,4cyclictest25-21ksoftirqd/112:07:581
5963993529,4cyclictest25-21ksoftirqd/111:35:121
5963993529,4cyclictest25-21ksoftirqd/111:06:041
5963993529,4cyclictest25-21ksoftirqd/110:53:241
5963993529,4cyclictest25-21ksoftirqd/107:28:441
5962993530,3cyclictest9-21ksoftirqd/012:39:590
5962993530,3cyclictest9-21ksoftirqd/010:50:000
5962993530,3cyclictest9-21ksoftirqd/010:34:420
5962993530,3cyclictest9-21ksoftirqd/010:10:000
5962993529,4cyclictest9-21ksoftirqd/011:06:590
5962993529,4cyclictest9-21ksoftirqd/008:13:160
5962993529,4cyclictest9-21ksoftirqd/007:55:510
5965993429,3cyclictest41-21ksoftirqd/312:10:013
5965993429,3cyclictest41-21ksoftirqd/309:55:003
5965993429,3cyclictest41-21ksoftirqd/307:36:293
5965993428,4cyclictest41-21ksoftirqd/312:30:383
5965993428,4cyclictest41-21ksoftirqd/312:30:383
5965993428,4cyclictest41-21ksoftirqd/311:48:023
5965993428,4cyclictest41-21ksoftirqd/311:39:233
5965993428,4cyclictest41-21ksoftirqd/310:24:213
5965993428,3cyclictest41-21ksoftirqd/310:35:193
5965993428,3cyclictest41-21ksoftirqd/310:00:193
5965993428,3cyclictest41-21ksoftirqd/309:40:203
5964993429,3cyclictest33-21ksoftirqd/208:19:592
5964993428,4cyclictest33-21ksoftirqd/211:46:532
5964993428,4cyclictest33-21ksoftirqd/211:06:012
5964993428,4cyclictest33-21ksoftirqd/210:23:442
5964993428,4cyclictest33-21ksoftirqd/208:48:332
5964993428,4cyclictest33-21ksoftirqd/208:33:562
5964993428,4cyclictest33-21ksoftirqd/208:07:132
5964993427,4cyclictest33-21ksoftirqd/212:34:432
5964993427,4cyclictest33-21ksoftirqd/212:34:432
5964993427,4cyclictest33-21ksoftirqd/209:11:482
5963993430,2cyclictest32272-21apt12:35:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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