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2026-07-11 - 00:23
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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 Fri Jul 10, 2026 12:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
171172237191,35sleep20-21swapper/207:08:592
139491235197,28phc2sys0-21swapper/307:08:593
150602202169,22sleep10-21swapper/107:05:041
150592202169,22sleep00-21swapper/007:05:030
777521700,6sleep01748899cyclictest11:20:120
1719628162,10sleep30-21swapper/307:10:003
139391570,1ptp4l401ktimersoftd/309:54:373
74632560,5sleep0520-21cron11:20:000
137572560,35sleep125-21ksoftirqd/108:10:151
231202530,2sleep00-21swapper/011:50:220
139391530,1ptp4l401ktimersoftd/311:50:513
137112510,2sleep20-21swapper/209:15:232
17489995045,3cyclictest21737-21cat11:50:001
93682470,2sleep00-21swapper/008:00:150
139391460,1ptp4l401ktimersoftd/312:39:413
139391460,1ptp4l401ktimersoftd/312:39:403
139391430,1ptp4l401ktimersoftd/308:43:273
139391430,0ptp4l401ktimersoftd/308:48:173
17490994235,4cyclictest14595-21idleruntime-cro11:35:002
139391420,0ptp4l401ktimersoftd/311:49:253
139391420,0ptp4l401ktimersoftd/311:18:213
139391420,0ptp4l401ktimersoftd/307:40:583
139391400,1ptp4l401ktimersoftd/307:46:013
139391400,0ptp4l401ktimersoftd/309:05:133
139391390,1ptp4l401ktimersoftd/308:55:453
139391390,0ptp4l401ktimersoftd/311:23:393
17489993831,4cyclictest25-21ksoftirqd/108:28:151
139391380,15ptp4l401ktimersoftd/308:02:133
139391380,0ptp4l401ktimersoftd/307:55:283
17491993731,4cyclictest41-21ksoftirqd/309:16:513
17490993731,4cyclictest33-21ksoftirqd/209:54:252
17490993730,5cyclictest33-21ksoftirqd/211:15:002
17489993732,3cyclictest25-21ksoftirqd/110:20:001
17489993730,4cyclictest25-21ksoftirqd/109:47:351
17489993730,4cyclictest25-21ksoftirqd/107:41:151
17488993731,3cyclictest5997-21cron12:25:010
139391370,0ptp4l401ktimersoftd/310:20:013
17491993630,4cyclictest41-21ksoftirqd/310:04:013
17491993630,4cyclictest41-21ksoftirqd/308:39:133
17491993630,3cyclictest41-21ksoftirqd/310:10:003
17489993631,3cyclictest25-21ksoftirqd/109:25:131
17489993630,4cyclictest25-21ksoftirqd/112:04:461
17488993630,4cyclictest9-21ksoftirqd/007:48:170
17491993530,3cyclictest41-21ksoftirqd/312:29:193
17491993530,3cyclictest41-21ksoftirqd/309:35:123
17491993529,4cyclictest41-21ksoftirqd/311:39:333
17491993529,4cyclictest41-21ksoftirqd/311:09:203
17491993529,4cyclictest41-21ksoftirqd/310:11:153
17491993527,5cyclictest41-21ksoftirqd/311:35:013
17490993529,4cyclictest33-21ksoftirqd/208:31:342
17490993529,4cyclictest33-21ksoftirqd/207:40:312
17489993529,4cyclictest25-21ksoftirqd/108:16:531
17489993528,4cyclictest25-21ksoftirqd/107:24:541
17489993527,5cyclictest25-21ksoftirqd/108:30:521
17488993530,3cyclictest9-21ksoftirqd/011:03:540
17488993527,6cyclictest9-21ksoftirqd/012:04:250
17491993429,3cyclictest41-21ksoftirqd/309:30:113
17491993429,3cyclictest41-21ksoftirqd/308:21:433
17491993428,4cyclictest41-21ksoftirqd/312:23:143
17491993428,4cyclictest41-21ksoftirqd/311:25:463
17491993428,4cyclictest41-21ksoftirqd/308:30:503
17491993428,4cyclictest41-21ksoftirqd/307:23:553
17490993429,3cyclictest33-21ksoftirqd/209:38:292
17490993428,4cyclictest33-21ksoftirqd/210:40:592
17490993428,4cyclictest33-21ksoftirqd/209:57:382
17490993428,4cyclictest33-21ksoftirqd/209:26:302
17490993427,4cyclictest33-21ksoftirqd/211:40:042
17490993427,4cyclictest33-21ksoftirqd/208:56:202
17489993429,3cyclictest25-21ksoftirqd/110:05:111
17489993428,4cyclictest25-21ksoftirqd/111:14:071
17489993428,4cyclictest25-21ksoftirqd/110:25:491
17489993428,4cyclictest25-21ksoftirqd/108:57:371
17489993428,4cyclictest25-21ksoftirqd/108:40:561
17489993428,3cyclictest25-21ksoftirqd/109:10:441
17489993428,3cyclictest25-21ksoftirqd/107:50:101
17488993429,3cyclictest9-21ksoftirqd/012:13:000
17488993428,4cyclictest9-21ksoftirqd/009:44:440
17488993428,4cyclictest9-21ksoftirqd/009:36:100
17488993428,4cyclictest9-21ksoftirqd/008:53:250
212732330,3sleep00-21swapper/007:15:260
17491993329,2cyclictest41-21ksoftirqd/310:43:523
17491993328,3cyclictest41-21ksoftirqd/308:26:173
17491993328,3cyclictest41-21ksoftirqd/308:15:123
17491993328,3cyclictest41-21ksoftirqd/307:33:463
17491993327,4cyclictest41-21ksoftirqd/310:47:583
17491993327,4cyclictest41-21ksoftirqd/310:28:573
17491993327,4cyclictest41-21ksoftirqd/307:29:253
17490993329,3cyclictest33-21ksoftirqd/210:23:252
17490993328,3cyclictest33-21ksoftirqd/209:49:242
17490993328,3cyclictest33-21ksoftirqd/208:52:312
17490993327,4cyclictest33-21ksoftirqd/212:02:482
17490993327,4cyclictest33-21ksoftirqd/209:30:432
17490993327,4cyclictest33-21ksoftirqd/208:14:212
17490993327,3cyclictest33-21ksoftirqd/211:38:462
17490993326,5cyclictest33-21ksoftirqd/212:29:112
17489993328,3cyclictest25-21ksoftirqd/112:40:011
17489993328,3cyclictest25-21ksoftirqd/112:40:001
17489993328,3cyclictest25-21ksoftirqd/109:23:341
17489993328,3cyclictest25-21ksoftirqd/109:16:001
17489993327,4cyclictest25-21ksoftirqd/111:44:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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