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2026-08-23 - 16:15
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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 Aug 23, 2026 12:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
214902220193,18sleep30-21swapper/307:08:583
214892202169,22sleep20-21swapper/207:08:582
214402202169,22sleep00-21swapper/007:08:200
214212201168,22sleep10-21swapper/107:08:041
281362680,6sleep12187099cyclictest09:35:271
139391660,1ptp4l401ktimersoftd/307:26:413
139391650,1ptp4l401ktimersoftd/308:14:183
139391640,1ptp4l401ktimersoftd/312:13:573
139391640,1ptp4l401ktimersoftd/312:13:573
139391530,1ptp4l401ktimersoftd/312:39:033
263762480,5sleep026374-21irqrtprio08:25:170
2187099481,43cyclictest26548-21basename11:50:011
2187099460,45cyclictest0-21swapper/110:27:431
2187099460,45cyclictest0-21swapper/110:27:431
57898450,2rtkit-daemon577-21rtkit-daemon09:13:380
21870994516,27cyclictest0-21swapper/107:15:441
98512440,2sleep20-21swapper/210:05:242
139391420,0ptp4l401ktimersoftd/311:10:183
139391410,0ptp4l401ktimersoftd/310:33:353
21872994035,3cyclictest41-21ksoftirqd/310:00:003
21872994034,3cyclictest41-21ksoftirqd/312:10:003
21872993934,3cyclictest41-21ksoftirqd/310:15:003
2187099391,17cyclictest21615-21grep10:30:241
2187099390,37cyclictest0-21swapper/110:46:031
21871993831,4cyclictest33-21ksoftirqd/212:10:122
21871993831,4cyclictest33-21ksoftirqd/212:10:122
21870993816,3cyclictest24187-21basename11:45:001
2187099381,34cyclictest31195-21cron07:29:591
21872993732,3cyclictest18681-21tr10:25:193
21872993732,3cyclictest18681-21tr10:25:193
21872993726,9cyclictest41-21ksoftirqd/308:05:273
21870993731,4cyclictest25-21ksoftirqd/112:08:271
21872993632,2cyclictest41-21ksoftirqd/311:20:013
21872993631,3cyclictest41-21ksoftirqd/311:55:103
21872993631,3cyclictest41-21ksoftirqd/308:45:013
21872993631,3cyclictest41-21ksoftirqd/307:45:213
21872993631,3cyclictest41-21ksoftirqd/307:35:003
21871993630,4cyclictest33-21ksoftirqd/212:01:222
21869993631,3cyclictest9-21ksoftirqd/011:10:000
21869993631,3cyclictest9-21ksoftirqd/010:40:000
21869993627,6cyclictest9-21ksoftirqd/008:57:090
57898350,6rtkit-daemon0-21swapper/110:52:361
21872993530,3cyclictest41-21ksoftirqd/309:39:593
21872993530,3cyclictest22882-21idleruntime-cro08:20:013
21872993529,4cyclictest41-21ksoftirqd/311:03:183
21872993529,4cyclictest41-21ksoftirqd/310:04:333
21872993528,5cyclictest41-21ksoftirqd/307:20:013
21871993530,3cyclictest33-21ksoftirqd/212:20:112
21871993529,4cyclictest33-21ksoftirqd/211:11:312
21871993529,4cyclictest33-21ksoftirqd/209:06:032
21870993530,3cyclictest25-21ksoftirqd/110:21:031
21870993530,3cyclictest25-21ksoftirqd/109:22:181
21870993529,4cyclictest25-21ksoftirqd/108:06:321
21869993530,3cyclictest9-21ksoftirqd/010:55:010
21869993529,4cyclictest9-21ksoftirqd/010:09:070
21872993430,2cyclictest41-21ksoftirqd/311:00:003
21872993429,3cyclictest41-21ksoftirqd/308:25:173
21872993428,4cyclictest41-21ksoftirqd/312:30:113
21872993428,4cyclictest41-21ksoftirqd/311:34:153
21872993428,4cyclictest41-21ksoftirqd/309:54:543
21872993428,4cyclictest41-21ksoftirqd/309:14:463
21872993427,5cyclictest41-21ksoftirqd/311:48:593
21871993429,3cyclictest33-21ksoftirqd/211:28:412
21871993428,4cyclictest33-21ksoftirqd/208:31:382
21871993417,15cyclictest23993-21kworker/2:010:25:342
21871993417,15cyclictest23993-21kworker/2:010:25:342
21870993429,3cyclictest25-21ksoftirqd/111:57:591
21870993428,4cyclictest25-21ksoftirqd/112:28:121
21870993428,4cyclictest25-21ksoftirqd/110:59:351
21870993428,4cyclictest25-21ksoftirqd/109:31:571
21870993428,4cyclictest25-21ksoftirqd/108:15:121
21870993428,4cyclictest25-21ksoftirqd/108:14:521
21870993428,3cyclictest25-21ksoftirqd/107:50:101
21870993413,3cyclictest18570-21sendmail_mailqu11:30:241
21870993413,3cyclictest13406-21acpi12:30:131
21869993429,3cyclictest9-21ksoftirqd/012:10:180
21869993429,3cyclictest9-21ksoftirqd/012:10:180
21869993429,3cyclictest9-21ksoftirqd/011:40:120
21869993428,4cyclictest9-21ksoftirqd/010:48:180
21869993428,4cyclictest9-21ksoftirqd/010:26:120
21869993428,4cyclictest9-21ksoftirqd/010:26:120
21872993328,3cyclictest41-21ksoftirqd/307:50:183
21872993327,4cyclictest41-21ksoftirqd/307:57:483
21872993327,4cyclictest41-21ksoftirqd/307:13:083
21872993327,3cyclictest41-21ksoftirqd/311:42:423
21872993326,5cyclictest41-21ksoftirqd/308:05:003
21871993328,3cyclictest33-21ksoftirqd/211:47:262
21871993328,3cyclictest33-21ksoftirqd/208:22:222
21871993327,4cyclictest33-21ksoftirqd/211:44:092
21871993327,4cyclictest33-21ksoftirqd/211:22:182
21871993327,4cyclictest33-21ksoftirqd/210:50:452
21871993327,4cyclictest33-21ksoftirqd/208:49:062
21871993327,4cyclictest33-21ksoftirqd/208:25:362
21871993327,4cyclictest33-21ksoftirqd/208:08:542
21871993327,4cyclictest33-21ksoftirqd/207:41:342
21871993326,5cyclictest33-21ksoftirqd/211:18:372
21871993326,5cyclictest33-21ksoftirqd/209:48:152
21871993326,5cyclictest33-21ksoftirqd/209:44:102
21870993329,3cyclictest25-21ksoftirqd/110:44:391
21870993328,3cyclictest25-21ksoftirqd/111:02:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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