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2026-09-06 - 19:38
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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 Sep 06, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491213168,33phc2sys0-21swapper/307:09:533
77542203168,23sleep00-21swapper/007:08:230
75682203169,23sleep20-21swapper/207:06:002
77072202170,21sleep10-21swapper/107:07:481
2745521560,3sleep3823599cyclictest11:10:203
139391660,1ptp4l10082-21cat08:20:143
62822630,2sleep00-21swapper/010:25:240
225042590,6sleep0823299cyclictest07:40:130
199012570,5sleep3823599cyclictest09:49:593
139391550,1ptp4l401ktimersoftd/307:58:243
98732540,2sleep20-21swapper/209:25:242
27152520,4sleep2321ktimersoftd/208:05:132
114672490,3sleep011470-21fschecks_time11:45:150
139391480,1ptp4l401ktimersoftd/309:54:113
100492480,2sleep20-21swapper/208:20:132
139391450,1ptp4l401ktimersoftd/310:05:303
139391450,1ptp4l401ktimersoftd/308:09:573
139391450,0ptp4l401ktimersoftd/309:42:283
139391430,0ptp4l401ktimersoftd/312:04:453
139391420,0ptp4l401ktimersoftd/309:07:093
8234994136,3cyclictest23819-21cron11:04:592
139391410,0ptp4l401ktimersoftd/309:23:103
8235994035,3cyclictest41-21ksoftirqd/307:20:003
8235993832,3cyclictest41-21ksoftirqd/310:20:183
8235993827,9cyclictest41-21ksoftirqd/310:55:233
8235993733,2cyclictest41-21ksoftirqd/310:20:013
8235993732,3cyclictest41-21ksoftirqd/311:40:193
8235993732,3cyclictest41-21ksoftirqd/310:40:243
8235993732,3cyclictest41-21ksoftirqd/310:40:243
8235993732,3cyclictest41-21ksoftirqd/308:15:003
8235993730,3cyclictest41-21ksoftirqd/309:05:003
8234993732,3cyclictest5927-21ls11:35:002
139391370,0ptp4l401ktimersoftd/311:58:353
139391370,0ptp4l401ktimersoftd/309:12:193
139391370,0ptp4l401ktimersoftd/308:35:433
139391370,0ptp4l401ktimersoftd/308:35:433
8235993632,3cyclictest41-21ksoftirqd/311:50:193
8235993631,3cyclictest5928-21turbostat11:34:593
8235993631,3cyclictest41-21ksoftirqd/312:35:013
8234993630,4cyclictest33-21ksoftirqd/208:26:472
8233993631,3cyclictest25-21ksoftirqd/110:20:011
8233993630,4cyclictest25-21ksoftirqd/110:09:201
8233993630,4cyclictest25-21ksoftirqd/108:28:431
8233993630,4cyclictest25-21ksoftirqd/108:01:551
8233993629,4cyclictest25-21ksoftirqd/110:40:531
8233993629,4cyclictest25-21ksoftirqd/110:40:531
8232993631,3cyclictest16543-21cron08:35:000
139391360,1ptp4l401ktimersoftd/308:45:513
823599355,7cyclictest41-21ksoftirqd/310:29:593
8235993530,3cyclictest41-21ksoftirqd/309:35:003
8235993530,3cyclictest41-21ksoftirqd/308:50:253
8235993530,3cyclictest41-21ksoftirqd/308:05:023
8235993530,3cyclictest41-21ksoftirqd/307:50:003
8235993530,3cyclictest41-21ksoftirqd/307:20:193
8235993530,2cyclictest41-21ksoftirqd/310:34:593
8235993529,4cyclictest41-21ksoftirqd/311:39:153
8235993529,4cyclictest41-21ksoftirqd/309:29:593
8235993529,4cyclictest41-21ksoftirqd/307:53:103
8235993529,4cyclictest41-21ksoftirqd/307:13:163
8234993530,3cyclictest33-21ksoftirqd/210:15:002
8234993529,4cyclictest33-21ksoftirqd/211:11:342
8233993530,3cyclictest25-21ksoftirqd/107:11:451
8233993529,4cyclictest25-21ksoftirqd/109:43:001
8233993529,4cyclictest25-21ksoftirqd/109:05:541
8232993529,4cyclictest9-21ksoftirqd/010:41:040
8232993529,4cyclictest9-21ksoftirqd/010:41:040
8232993529,4cyclictest9-21ksoftirqd/008:54:050
8232993529,4cyclictest9-21ksoftirqd/007:30:330
8232993529,4cyclictest9-21ksoftirqd/007:15:280
823599346,6cyclictest41-21ksoftirqd/307:40:013
8235993430,3cyclictest41-21ksoftirqd/310:00:203
8235993429,3cyclictest41-21ksoftirqd/312:20:003
8235993429,3cyclictest41-21ksoftirqd/311:15:253
8235993429,3cyclictest41-21ksoftirqd/310:00:013
8235993429,3cyclictest41-21ksoftirqd/308:15:203
8235993428,4cyclictest41-21ksoftirqd/310:12:153
8235993428,4cyclictest41-21ksoftirqd/308:44:333
823599341,4cyclictest41-21ksoftirqd/311:00:253
823599341,3cyclictest121rcu_preempt09:35:253
8234993428,4cyclictest33-21ksoftirqd/212:22:482
8234993428,4cyclictest33-21ksoftirqd/212:15:382
8234993428,4cyclictest33-21ksoftirqd/211:51:192
8234993428,4cyclictest33-21ksoftirqd/210:38:342
8234993428,4cyclictest33-21ksoftirqd/207:41:262
8234993428,4cyclictest33-21ksoftirqd/207:31:552
8234993428,4cyclictest33-21ksoftirqd/207:11:092
8233993429,3cyclictest25-21ksoftirqd/112:08:141
8233993429,3cyclictest25-21ksoftirqd/111:43:181
8233993429,3cyclictest25-21ksoftirqd/109:20:001
8233993429,3cyclictest25-21ksoftirqd/108:22:571
8233993428,4cyclictest25-21ksoftirqd/112:16:201
8233993428,4cyclictest25-21ksoftirqd/110:38:401
8233993428,4cyclictest25-21ksoftirqd/110:34:541
8233993428,4cyclictest25-21ksoftirqd/110:00:581
8233993428,4cyclictest25-21ksoftirqd/109:58:451
823399341,31cyclictest3545-21cron11:30:001
8232993430,2cyclictest9-21ksoftirqd/010:55:010
8232993429,3cyclictest9-21ksoftirqd/012:10:110
8232993429,3cyclictest9-21ksoftirqd/009:10:130
8232993428,4cyclictest9-21ksoftirqd/012:29:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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