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2026-07-27 - 22:41
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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 Jul 27, 2026 12:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491209176,22phc2sys0-21swapper/307:09:523
86952207174,22sleep20-21swapper/207:08:022
87292203171,21sleep10-21swapper/107:08:291
86112202169,22sleep00-21swapper/007:06:560
2174221670,5sleep0914799cyclictest09:50:150
276042560,3sleep027607-21ptp4l-jitter07:45:260
139391560,1ptp4l401ktimersoftd/311:20:223
139391470,1ptp4l401ktimersoftd/312:12:473
139391450,1ptp4l401ktimersoftd/310:06:403
139391440,35ptp4l0-21swapper/307:10:013
9150994338,3cyclictest9082-21sh09:25:003
9147994336,4cyclictest3028-21cron12:35:000
139391430,0ptp4l401ktimersoftd/307:31:223
914899422,37cyclictest7363-21fschecks_count09:20:161
57898420,9rtkit-daemon0-21swapper/309:06:123
9150994035,3cyclictest41-21ksoftirqd/309:20:013
9147994035,3cyclictest9-21ksoftirqd/012:09:590
9147994034,3cyclictest9-21ksoftirqd/008:00:010
915099396,6cyclictest121rcu_preempt12:39:593
9150993935,2cyclictest16359-21turbostat11:55:003
9150993934,3cyclictest41-21ksoftirqd/312:20:003
9150993928,9cyclictest41-21ksoftirqd/308:30:193
9147993934,3cyclictest9-21ksoftirqd/008:20:000
9150993834,2cyclictest41-21ksoftirqd/311:50:003
9149993827,9cyclictest33-21ksoftirqd/211:00:262
9147993833,2cyclictest9-21ksoftirqd/007:20:010
139391380,1ptp4l401ktimersoftd/312:25:143
9150993732,3cyclictest41-21ksoftirqd/308:39:593
9150993732,2cyclictest41-21ksoftirqd/308:05:003
9150993731,4cyclictest41-21ksoftirqd/312:09:593
9150993730,4cyclictest41-21ksoftirqd/310:35:583
9149993731,4cyclictest33-21ksoftirqd/209:22:532
9149993730,5cyclictest33-21ksoftirqd/207:32:532
9148993732,3cyclictest11600-21sh11:45:001
9148993731,4cyclictest25-21ksoftirqd/111:31:341
9147993733,2cyclictest9-21ksoftirqd/012:39:590
9147993730,4cyclictest9-21ksoftirqd/009:45:000
57898370,6rtkit-daemon32677-21cat07:55:253
57898370,2rtkit-daemon0-21swapper/211:09:592
139391370,1ptp4l391rcuc/311:40:213
9150993631,3cyclictest41-21ksoftirqd/309:35:003
9150993631,3cyclictest41-21ksoftirqd/309:29:593
9150993630,3cyclictest41-21ksoftirqd/309:55:013
9149993630,4cyclictest33-21ksoftirqd/208:39:442
9149993630,4cyclictest33-21ksoftirqd/208:29:582
9148993630,4cyclictest25-21ksoftirqd/111:14:131
9148993630,4cyclictest25-21ksoftirqd/110:18:521
9148993630,4cyclictest25-21ksoftirqd/109:14:141
9147993632,3cyclictest9-21ksoftirqd/007:30:000
9147993632,2cyclictest29705-21sh11:15:000
9147993631,3cyclictest9-21ksoftirqd/011:25:000
139391360,0ptp4l401ktimersoftd/311:00:273
9150993530,3cyclictest41-21ksoftirqd/310:50:003
9150993530,3cyclictest41-21ksoftirqd/308:48:383
9150993530,3cyclictest41-21ksoftirqd/308:20:003
9150993529,4cyclictest41-21ksoftirqd/310:10:393
9150993529,4cyclictest41-21ksoftirqd/310:10:393
9150993529,4cyclictest41-21ksoftirqd/308:26:423
9150993529,4cyclictest41-21ksoftirqd/307:46:223
9150993529,3cyclictest41-21ksoftirqd/311:55:223
9149993531,3cyclictest33-21ksoftirqd/208:50:192
9149993531,3cyclictest33-21ksoftirqd/208:50:182
9149993530,3cyclictest33-21ksoftirqd/210:55:192
9149993530,3cyclictest33-21ksoftirqd/208:15:102
9149993529,4cyclictest33-21ksoftirqd/211:42:572
9149993529,4cyclictest33-21ksoftirqd/211:22:072
9149993529,4cyclictest33-21ksoftirqd/210:53:082
9149993529,4cyclictest33-21ksoftirqd/209:16:472
9148993529,4cyclictest25-21ksoftirqd/110:26:231
9148993529,4cyclictest25-21ksoftirqd/109:54:041
9148993529,4cyclictest25-21ksoftirqd/109:19:031
9148993529,4cyclictest25-21ksoftirqd/108:12:031
9148993529,4cyclictest25-21ksoftirqd/108:08:571
9148993528,4cyclictest25-21ksoftirqd/112:35:401
9148993528,4cyclictest25-21ksoftirqd/107:52:461
9147993529,4cyclictest9-21ksoftirqd/012:12:360
9147993528,5cyclictest9-21ksoftirqd/010:10:000
139391350,0ptp4l401ktimersoftd/310:57:173
139391350,0ptp4l401ktimersoftd/307:40:223
9150993429,3cyclictest41-21ksoftirqd/310:40:183
9150993429,3cyclictest41-21ksoftirqd/310:40:183
9150993429,3cyclictest41-21ksoftirqd/310:19:553
9150993428,4cyclictest41-21ksoftirqd/311:13:143
9150993428,4cyclictest41-21ksoftirqd/310:51:113
9150993422,10cyclictest41-21ksoftirqd/307:20:193
9149993429,3cyclictest33-21ksoftirqd/211:12:002
9149993428,4cyclictest33-21ksoftirqd/209:41:592
9149993428,4cyclictest33-21ksoftirqd/208:58:142
9149993428,4cyclictest33-21ksoftirqd/208:30:302
9149993428,4cyclictest33-21ksoftirqd/208:13:172
9149993428,4cyclictest33-21ksoftirqd/207:40:112
9149993428,4cyclictest33-21ksoftirqd/207:39:592
9148993429,3cyclictest25-21ksoftirqd/110:10:131
9148993429,3cyclictest25-21ksoftirqd/110:10:131
9148993429,3cyclictest25-21ksoftirqd/107:36:561
9148993428,4cyclictest25-21ksoftirqd/110:49:041
9148993428,4cyclictest25-21ksoftirqd/108:56:471
9148993428,4cyclictest25-21ksoftirqd/108:22:301
9148993428,4cyclictest25-21ksoftirqd/107:13:221
9148993427,4cyclictest25-21ksoftirqd/108:37:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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