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2026-08-10 - 17:55
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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 Mon Aug 10, 2026 12:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491207173,23phc2sys0-21swapper/307:08:503
139492205172,22sleep00-21swapper/007:08:010
138682205172,22sleep10-21swapper/107:06:571
138492202169,22sleep20-21swapper/207:06:422
2426221500,6sleep01440399cyclictest09:45:180
2426221500,6sleep01440399cyclictest09:45:170
89792610,4sleep38982-21irqrtprio08:05:203
139391560,1ptp4l401ktimersoftd/311:45:593
139391560,1ptp4l401ktimersoftd/307:13:183
139391540,1ptp4l401ktimersoftd/309:40:113
139391440,0ptp4l401ktimersoftd/310:07:003
139391430,0ptp4l401ktimersoftd/309:01:583
139391420,0ptp4l401ktimersoftd/310:01:583
139391420,0ptp4l401ktimersoftd/307:48:113
139391400,1ptp4l401ktimersoftd/308:15:243
139391400,0ptp4l401ktimersoftd/310:20:273
14404993935,3cyclictest25-21ksoftirqd/111:55:001
139391390,0ptp4l401ktimersoftd/307:55:423
14405993824,12cyclictest33-21ksoftirqd/208:40:002
14404993825,10cyclictest25-21ksoftirqd/109:55:141
139391380,1ptp4l401ktimersoftd/311:12:233
14406993733,3cyclictest41-21ksoftirqd/310:30:013
14406993730,4cyclictest1309-21irqrtprio12:20:203
14405993732,3cyclictest33-21ksoftirqd/210:19:592
14405993732,3cyclictest33-21ksoftirqd/210:19:592
14405993731,4cyclictest33-21ksoftirqd/209:00:592
14404993732,3cyclictest25-21ksoftirqd/111:00:011
14404993732,3cyclictest25-21ksoftirqd/108:00:001
14404993730,4cyclictest25-21ksoftirqd/108:31:451
14403993731,4cyclictest9-21ksoftirqd/012:07:230
139391370,0ptp4l401ktimersoftd/308:55:353
14406993631,3cyclictest41-21ksoftirqd/311:05:123
14406993630,4cyclictest41-21ksoftirqd/312:01:363
14406993629,4cyclictest41-21ksoftirqd/308:02:233
14406993629,4cyclictest41-21ksoftirqd/307:25:403
14405993631,3cyclictest33-21ksoftirqd/212:00:142
14405993623,11cyclictest33-21ksoftirqd/207:35:002
14404993630,4cyclictest25-21ksoftirqd/109:12:451
14403993631,3cyclictest9-21ksoftirqd/009:39:590
14403993630,4cyclictest9-21ksoftirqd/010:38:580
14403993630,4cyclictest9-21ksoftirqd/009:19:190
14403993630,4cyclictest9-21ksoftirqd/009:19:190
14406993530,3cyclictest41-21ksoftirqd/308:54:023
14406993530,3cyclictest41-21ksoftirqd/308:35:143
14406993529,4cyclictest41-21ksoftirqd/312:36:423
14406993529,4cyclictest41-21ksoftirqd/309:11:473
14405993530,3cyclictest33-21ksoftirqd/210:30:002
14405993529,4cyclictest33-21ksoftirqd/212:20:332
14405993529,4cyclictest33-21ksoftirqd/212:14:512
14405993529,4cyclictest33-21ksoftirqd/212:06:332
14405993529,4cyclictest33-21ksoftirqd/209:58:362
14405993529,4cyclictest33-21ksoftirqd/208:52:362
14405993529,4cyclictest33-21ksoftirqd/208:42:422
14405993528,5cyclictest33-21ksoftirqd/208:48:392
14405993528,4cyclictest33-21ksoftirqd/209:51:182
14404993530,3cyclictest25-21ksoftirqd/110:10:111
14404993530,3cyclictest25-21ksoftirqd/107:35:141
14404993529,4cyclictest25-21ksoftirqd/111:06:191
14404993529,4cyclictest25-21ksoftirqd/111:03:021
14404993529,4cyclictest25-21ksoftirqd/110:41:391
14404993529,4cyclictest25-21ksoftirqd/108:50:591
14404993529,3cyclictest25-21ksoftirqd/112:20:131
14404993527,5cyclictest25-21ksoftirqd/107:30:591
14403993530,3cyclictest9-21ksoftirqd/012:10:320
14403993529,4cyclictest9-21ksoftirqd/011:44:490
14403993529,4cyclictest9-21ksoftirqd/010:57:100
14406993429,3cyclictest41-21ksoftirqd/311:55:143
14406993429,3cyclictest41-21ksoftirqd/309:33:463
14406993429,3cyclictest41-21ksoftirqd/309:08:513
14406993428,4cyclictest41-21ksoftirqd/307:18:423
14405993430,2cyclictest24537-21cron10:55:012
14405993429,3cyclictest33-21ksoftirqd/210:11:352
14405993429,3cyclictest33-21ksoftirqd/207:50:012
14405993428,4cyclictest33-21ksoftirqd/212:27:552
14405993428,4cyclictest33-21ksoftirqd/212:18:162
14405993428,4cyclictest33-21ksoftirqd/210:01:092
14405993428,4cyclictest33-21ksoftirqd/209:48:052
14405993428,4cyclictest33-21ksoftirqd/209:48:042
14405993428,4cyclictest33-21ksoftirqd/209:26:262
14404993429,3cyclictest25-21ksoftirqd/111:55:251
14404993429,3cyclictest25-21ksoftirqd/108:25:151
14404993429,3cyclictest25-21ksoftirqd/107:40:181
14404993428,4cyclictest25-21ksoftirqd/112:02:301
14404993428,4cyclictest25-21ksoftirqd/110:36:451
14404993428,4cyclictest25-21ksoftirqd/108:10:361
14404993428,3cyclictest25-21ksoftirqd/110:50:191
14404993425,5cyclictest25-21ksoftirqd/110:30:121
14404993422,10cyclictest25-21ksoftirqd/110:00:201
14403993429,3cyclictest9-21ksoftirqd/011:21:170
14403993428,4cyclictest9-21ksoftirqd/011:53:320
14403993428,4cyclictest9-21ksoftirqd/009:30:530
14403993428,4cyclictest9-21ksoftirqd/009:02:540
14403993428,4cyclictest9-21ksoftirqd/008:55:390
14403993428,3cyclictest9-21ksoftirqd/009:25:030
14403993428,3cyclictest9-21ksoftirqd/007:30:390
14403993427,4cyclictest9-21ksoftirqd/007:49:450
139391340,0ptp4l401ktimersoftd/311:35:133
14406993328,3cyclictest41-21ksoftirqd/312:28:533
14406993327,4cyclictest41-21ksoftirqd/310:44:223
14406993327,4cyclictest41-21ksoftirqd/309:37:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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